DynamicBackendTests.hpp File Reference

#include <armnn/BackendRegistry.hpp>
#include <armnn/backends/DynamicBackend.hpp>
#include <armnn/ILayerSupport.hpp>
#include <armnn/utility/PolymorphicDowncast.hpp>
#include <backendsCommon/CpuTensorHandle.hpp>
#include <backendsCommon/DynamicBackendUtils.hpp>
#include <Filesystem.hpp>
#include <reference/workloads/RefConvolution2dWorkload.hpp>
#include <Runtime.hpp>
#include <string>
#include <memory>
#include <boost/test/unit_test.hpp>

Go to the source code of this file.

Classes
class	TestDynamicBackendUtils
class	TestBackendRegistry

Macros
#define	DYNAMIC_BACKEND_BUILD_DIR   fs::path("./")

Functions
std::string	GetBasePath (const std::string &basePath)
std::string	GetTestDirectoryBasePath ()
std::string	GetDynamicBackendsBasePath ()
std::string	GetTestSubDirectory (const std::string &subdir)
std::string	GetTestSubDirectory (const std::string &basePath, const std::string &subdir)
std::string	GetTestFilePath (const std::string &directory, const std::string &fileName)
void	OpenCloseHandleTestImpl ()
void	CloseInvalidHandleTestImpl ()
void	OpenEmptyFileNameTestImpl ()
void	OpenNotExistingFileTestImpl ()
void	OpenNotSharedObjectTestImpl ()
void	GetValidEntryPointTestImpl ()
void	GetNameMangledEntryPointTestImpl ()
void	GetNoExternEntryPointTestImpl ()
void	GetNotExistingEntryPointTestImpl ()
void	BackendVersioningTestImpl ()
void	CreateValidDynamicBackendObjectTestImpl ()
void	CreateDynamicBackendObjectInvalidHandleTestImpl ()
void	CreateDynamicBackendObjectInvalidInterface1TestImpl ()
void	CreateDynamicBackendObjectInvalidInterface2TestImpl ()
void	CreateDynamicBackendObjectInvalidInterface3TestImpl ()
void	CreateDynamicBackendObjectInvalidInterface4TestImpl ()
void	CreateDynamicBackendObjectInvalidInterface5TestImpl ()
void	CreateDynamicBackendObjectInvalidInterface6TestImpl ()
void	CreateDynamicBackendObjectInvalidInterface7TestImpl ()
void	GetBackendPathsTestImpl ()
void	GetBackendPathsOverrideTestImpl ()
void	GetSharedObjectsTestImpl ()
void	CreateDynamicBackendsTestImpl ()
void	CreateDynamicBackendsNoPathsTestImpl ()
void	CreateDynamicBackendsAllInvalidTestImpl ()
void	CreateDynamicBackendsMixedTypesTestImpl ()
void	RegisterSingleDynamicBackendTestImpl ()
void	RegisterMultipleDynamicBackendsTestImpl ()
void	RegisterMultipleInvalidDynamicBackendsTestImpl ()
void	RegisterMixedDynamicBackendsTestImpl ()
void	RuntimeEmptyTestImpl ()
void	RuntimeDynamicBackendsTestImpl ()
void	RuntimeDuplicateDynamicBackendsTestImpl ()
void	RuntimeInvalidDynamicBackendsTestImpl ()
void	RuntimeInvalidOverridePathTestImpl ()

Macro Definition Documentation

DYNAMIC_BACKEND_BUILD_DIR

#define DYNAMIC_BACKEND_BUILD_DIR   fs::path("./")

Definition at line 24 of file DynamicBackendTests.hpp.

Referenced by GetBasePath().

Function Documentation

BackendVersioningTestImpl()

void BackendVersioningTestImpl

(

)

Definition at line 336 of file DynamicBackendTests.hpp.

References TestDynamicBackendUtils::IsBackendCompatibleTest().

{
    using namespace armnn;

    // The backend API version used for the tests
    BackendVersion backendApiVersion{ 2, 4 };

    // Same backend and backend API versions are compatible with the backend API
    BackendVersion sameBackendVersion{ 2, 4 };
    BOOST_TEST(sameBackendVersion == backendApiVersion);
    BOOST_TEST(sameBackendVersion <= backendApiVersion);
    BOOST_TEST(TestDynamicBackendUtils::IsBackendCompatibleTest(backendApiVersion, sameBackendVersion) == true);

    // Backend versions that differ from the backend API version by major revision are not compatible
    // with the backend API
    BackendVersion laterMajorBackendVersion{ 3, 4 };
    BOOST_TEST(!(laterMajorBackendVersion == backendApiVersion));
    BOOST_TEST(!(laterMajorBackendVersion <= backendApiVersion));
    BOOST_TEST(TestDynamicBackendUtils::IsBackendCompatibleTest(backendApiVersion, laterMajorBackendVersion) == false);

    BackendVersion earlierMajorBackendVersion{ 1, 4 };
    BOOST_TEST(!(earlierMajorBackendVersion == backendApiVersion));
    BOOST_TEST(earlierMajorBackendVersion <= backendApiVersion);
    BOOST_TEST(TestDynamicBackendUtils::IsBackendCompatibleTest(backendApiVersion,
                                                                earlierMajorBackendVersion) == false);

    // Backend versions with the same major revision but later minor revision than
    // the backend API version are not compatible with the backend API
    BackendVersion laterMinorBackendVersion{ 2, 5 };
    BOOST_TEST(!(laterMinorBackendVersion == backendApiVersion));
    BOOST_TEST(!(laterMinorBackendVersion <= backendApiVersion));
    BOOST_TEST(TestDynamicBackendUtils::IsBackendCompatibleTest(backendApiVersion, laterMinorBackendVersion) == false);

    // Backend versions with the same major revision but earlier minor revision than
    // the backend API version are compatible with the backend API
    BackendVersion earlierMinorBackendVersion{ 2, 3 };
    BOOST_TEST(!(earlierMinorBackendVersion == backendApiVersion));
    BOOST_TEST(earlierMinorBackendVersion <= backendApiVersion);
    BOOST_TEST(TestDynamicBackendUtils::IsBackendCompatibleTest(backendApiVersion, earlierMinorBackendVersion) == true);
}

CloseInvalidHandleTestImpl()

void CloseInvalidHandleTestImpl

(

)

Definition at line 214 of file DynamicBackendTests.hpp.

{
    using namespace armnn;

    // This calls must silently handle invalid handles and complete successfully (no segfaults, etc.)
    DynamicBackendUtils::CloseHandle(nullptr);
}

CreateDynamicBackendObjectInvalidHandleTestImpl()

void CreateDynamicBackendObjectInvalidHandleTestImpl

(

)

Definition at line 426 of file DynamicBackendTests.hpp.

{
    // Invalid (null) shared object handle

    using namespace armnn;

    void* sharedObjectHandle = nullptr;
    DynamicBackendPtr dynamicBackend;
    BOOST_CHECK_THROW(dynamicBackend.reset(new DynamicBackend(sharedObjectHandle)), InvalidArgumentException);
    BOOST_TEST((dynamicBackend == nullptr));
}

CreateDynamicBackendObjectInvalidInterface1TestImpl()

void CreateDynamicBackendObjectInvalidInterface1TestImpl

(

)

Definition at line 438 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    // Valid shared object handle
    // Wrong (not C-style) name mangling

    using namespace armnn;

    std::string testSubDirectory = GetTestSubDirectory(g_TestDynamicBackendSubDir);
    std::string sharedObjectFilePath = GetTestFilePath(testSubDirectory, g_TestInvalidTestDynamicBackend1FileName);

    void* sharedObjectHandle = nullptr;
    BOOST_CHECK_NO_THROW(sharedObjectHandle = DynamicBackendUtils::OpenHandle(sharedObjectFilePath));
    BOOST_TEST((sharedObjectHandle != nullptr));

    DynamicBackendPtr dynamicBackend;
    BOOST_CHECK_THROW(dynamicBackend.reset(new DynamicBackend(sharedObjectHandle)), RuntimeException);
    BOOST_TEST((dynamicBackend == nullptr));
}

CreateDynamicBackendObjectInvalidInterface2TestImpl()

void CreateDynamicBackendObjectInvalidInterface2TestImpl

(

)

Definition at line 457 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    // Valid shared object handle
    // Correct name mangling
    // Wrong interface (missing GetBackendId())

    using namespace armnn;

    std::string testSubDirectory = GetTestSubDirectory(g_TestDynamicBackendSubDir);
    std::string sharedObjectFilePath = GetTestFilePath(testSubDirectory, g_TestInvalidTestDynamicBackend2FileName);

    void* sharedObjectHandle = nullptr;
    BOOST_CHECK_NO_THROW(sharedObjectHandle = DynamicBackendUtils::OpenHandle(sharedObjectFilePath));
    BOOST_TEST((sharedObjectHandle != nullptr));

    DynamicBackendPtr dynamicBackend;
    BOOST_CHECK_THROW(dynamicBackend.reset(new DynamicBackend(sharedObjectHandle)), RuntimeException);
    BOOST_TEST((dynamicBackend == nullptr));
}

CreateDynamicBackendObjectInvalidInterface3TestImpl()

void CreateDynamicBackendObjectInvalidInterface3TestImpl

(

)

Definition at line 477 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    // Valid shared object handle
    // Correct name mangling
    // Wrong interface (missing GetVersion())

    using namespace armnn;

    std::string testSubDirectory = GetTestSubDirectory(g_TestDynamicBackendSubDir);
    std::string sharedObjectFilePath = GetTestFilePath(testSubDirectory, g_TestInvalidTestDynamicBackend3FileName);

    void* sharedObjectHandle = nullptr;
    BOOST_CHECK_NO_THROW(sharedObjectHandle = DynamicBackendUtils::OpenHandle(sharedObjectFilePath));
    BOOST_TEST((sharedObjectHandle != nullptr));

    DynamicBackendPtr dynamicBackend;
    BOOST_CHECK_THROW(dynamicBackend.reset(new DynamicBackend(sharedObjectHandle)), RuntimeException);
    BOOST_TEST((dynamicBackend == nullptr));
}

CreateDynamicBackendObjectInvalidInterface4TestImpl()

void CreateDynamicBackendObjectInvalidInterface4TestImpl

(

)

Definition at line 497 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    // Valid shared object handle
    // Correct name mangling
    // Wrong interface (missing BackendFactory())

    using namespace armnn;

    std::string testSubDirectory = GetTestSubDirectory(g_TestDynamicBackendSubDir);
    std::string sharedObjectFilePath = GetTestFilePath(testSubDirectory, g_TestInvalidTestDynamicBackend4FileName);

    void* sharedObjectHandle = nullptr;
    BOOST_CHECK_NO_THROW(sharedObjectHandle = DynamicBackendUtils::OpenHandle(sharedObjectFilePath));
    BOOST_TEST((sharedObjectHandle != nullptr));

    DynamicBackendPtr dynamicBackend;
    BOOST_CHECK_THROW(dynamicBackend.reset(new DynamicBackend(sharedObjectHandle)), RuntimeException);
    BOOST_TEST((dynamicBackend == nullptr));
}

CreateDynamicBackendObjectInvalidInterface5TestImpl()

void CreateDynamicBackendObjectInvalidInterface5TestImpl

(

)

Definition at line 517 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    // Valid shared object handle
    // Correct name mangling
    // Correct interface
    // Invalid (null) backend id returned by GetBackendId()

    using namespace armnn;

    std::string testSubDirectory = GetTestSubDirectory(g_TestDynamicBackendSubDir);
    std::string sharedObjectFilePath = GetTestFilePath(testSubDirectory, g_TestInvalidTestDynamicBackend5FileName);

    void* sharedObjectHandle = nullptr;
    BOOST_CHECK_NO_THROW(sharedObjectHandle = DynamicBackendUtils::OpenHandle(sharedObjectFilePath));
    BOOST_TEST((sharedObjectHandle != nullptr));

    DynamicBackendPtr dynamicBackend;
    BOOST_CHECK_THROW(dynamicBackend.reset(new DynamicBackend(sharedObjectHandle)), RuntimeException);
    BOOST_TEST((dynamicBackend == nullptr));
}

CreateDynamicBackendObjectInvalidInterface6TestImpl()

void CreateDynamicBackendObjectInvalidInterface6TestImpl

(

)

Definition at line 538 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    // Valid shared object handle
    // Correct name mangling
    // Correct interface
    // Invalid (null) backend instance returned by BackendFactory()

    using namespace armnn;

    std::string testSubDirectory = GetTestSubDirectory(g_TestDynamicBackendSubDir);
    std::string sharedObjectFilePath = GetTestFilePath(testSubDirectory, g_TestInvalidTestDynamicBackend6FileName);

    void* sharedObjectHandle = nullptr;
    BOOST_CHECK_NO_THROW(sharedObjectHandle = DynamicBackendUtils::OpenHandle(sharedObjectFilePath));
    BOOST_TEST((sharedObjectHandle != nullptr));

    DynamicBackendPtr dynamicBackend;
    BOOST_CHECK_NO_THROW(dynamicBackend.reset(new DynamicBackend(sharedObjectHandle)));
    BOOST_TEST((dynamicBackend != nullptr));

    BackendId dynamicBackendId;
    BOOST_CHECK_NO_THROW(dynamicBackendId = dynamicBackend->GetBackendId());
    BOOST_TEST((dynamicBackendId == "InvalidTestDynamicBackend"));

    BackendVersion dynamicBackendVersion;
    BOOST_CHECK_NO_THROW(dynamicBackendVersion = dynamicBackend->GetBackendVersion());
    BOOST_TEST((dynamicBackendVersion == BackendVersion({ 1, 0 })));

    IBackendInternalUniquePtr dynamicBackendInstance1;
    BOOST_CHECK_THROW(dynamicBackendInstance1 = dynamicBackend->GetBackend(), RuntimeException);
    BOOST_TEST((dynamicBackendInstance1 == nullptr));

    BackendRegistry::FactoryFunction dynamicBackendFactoryFunction = nullptr;
    BOOST_CHECK_NO_THROW(dynamicBackendFactoryFunction = dynamicBackend->GetFactoryFunction());
    BOOST_TEST((dynamicBackendFactoryFunction != nullptr));

    IBackendInternalUniquePtr dynamicBackendInstance2;
    BOOST_CHECK_THROW(dynamicBackendInstance2 = dynamicBackendFactoryFunction(), RuntimeException);
    BOOST_TEST((dynamicBackendInstance2 == nullptr));
}

CreateDynamicBackendObjectInvalidInterface7TestImpl()

void CreateDynamicBackendObjectInvalidInterface7TestImpl

(

)

Definition at line 579 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    // Valid shared object handle
    // Correct name mangling
    // Correct interface
    // Invalid (incompatible backend API version) backend instance returned by BackendFactory()

    using namespace armnn;

    std::string testSubDirectory = GetTestSubDirectory(g_TestDynamicBackendSubDir);
    std::string sharedObjectFilePath = GetTestFilePath(testSubDirectory, g_TestInvalidTestDynamicBackend7FileName);

    void* sharedObjectHandle = nullptr;
    BOOST_CHECK_NO_THROW(sharedObjectHandle = DynamicBackendUtils::OpenHandle(sharedObjectFilePath));
    BOOST_TEST((sharedObjectHandle != nullptr));

    DynamicBackendPtr dynamicBackend;
    BOOST_CHECK_THROW(dynamicBackend.reset(new DynamicBackend(sharedObjectHandle)), RuntimeException);
    BOOST_TEST((dynamicBackend == nullptr));
}

CreateDynamicBackendsAllInvalidTestImpl()

void CreateDynamicBackendsAllInvalidTestImpl

(

)

Definition at line 864 of file DynamicBackendTests.hpp.

{
    using namespace armnn;

    std::vector<std::string> sharedObjects
    {
        "InvalidSharedObject1",
        "InvalidSharedObject2",
        "InvalidSharedObject3",
    };
    std::vector<DynamicBackendPtr> dynamicBackends = DynamicBackendUtils::CreateDynamicBackends(sharedObjects);

    BOOST_TEST(dynamicBackends.empty());
}

CreateDynamicBackendsMixedTypesTestImpl()

void CreateDynamicBackendsMixedTypesTestImpl

(

)

Definition at line 879 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    using namespace armnn;
    using namespace fs;

    std::string testDynamicBackendsSubDir5 = GetTestSubDirectory(g_TestDynamicBackendsSubDir5);
    std::string testDynamicBackendsSubDir6 = GetTestSubDirectory(g_TestDynamicBackendsSubDir6);
    BOOST_CHECK(exists(testDynamicBackendsSubDir5));
    BOOST_CHECK(exists(testDynamicBackendsSubDir6));

    std::string testValidBackend2FilePath = GetTestFilePath(testDynamicBackendsSubDir5,
                                                            g_TestValidBackend2FileName);
    std::string testInvalidBackend8FilePath = GetTestFilePath(testDynamicBackendsSubDir5,
                                                              g_TestInvalidBackend8FileName);
    std::string testInvalidBackend9FilePath = GetTestFilePath(testDynamicBackendsSubDir6,
                                                              g_TestInvalidBackend9FileName);
    BOOST_CHECK(exists(testValidBackend2FilePath));
    BOOST_CHECK(exists(testInvalidBackend8FilePath));
    BOOST_CHECK(exists(testInvalidBackend9FilePath));

    std::vector<std::string> sharedObjects
    {
        testValidBackend2FilePath,   // Arm_TestValid2_backend.so     -> valid (basic backend name)
        testInvalidBackend8FilePath, // Arm_TestInvalid8_backend.so   -> not valid (invalid backend id)
        testInvalidBackend9FilePath, // Arm_TestInvalid9_backend.so   -> not valid (incompatible version)
        "InvalidSharedObject",       // The file does not exist
    };
    std::vector<DynamicBackendPtr> dynamicBackends = DynamicBackendUtils::CreateDynamicBackends(sharedObjects);

    BOOST_TEST(dynamicBackends.size() == 1);
    BOOST_TEST((dynamicBackends[0] != nullptr));
    BOOST_TEST((dynamicBackends[0]->GetBackendId() == "TestValid2"));
}

CreateDynamicBackendsNoPathsTestImpl()

void CreateDynamicBackendsNoPathsTestImpl

(

)

Definition at line 855 of file DynamicBackendTests.hpp.

{
    using namespace armnn;

    std::vector<DynamicBackendPtr> dynamicBackends = DynamicBackendUtils::CreateDynamicBackends({});

    BOOST_TEST(dynamicBackends.empty());
}

CreateDynamicBackendsTestImpl()

void CreateDynamicBackendsTestImpl

(

)

Definition at line 792 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    using namespace armnn;
    using namespace fs;

    // The test covers four directories:
    // <unit test path>/src/backends/backendsCommon/test/
    //                                                ├─ backendsTestPath5/   -> exists, contains files
    //                                                ├─ backendsTestPath6/   -> exists, contains files
    //                                                ├─ backendsTestPath7/   -> exists, but empty
    //                                                └─ backendsTestPath8/   -> does not exist
    //
    // The test sub-directory backendsTestPath5/ contains the following test files:
    //
    // Arm_TestValid2_backend.so   -> valid (basic backend name)
    // Arm_TestValid3_backend.so   -> valid (basic backend name)
    // Arm_TestInvalid8_backend.so -> not valid (invalid backend id)
    //
    // The test sub-directory backendsTestPath6/ contains the following test files:
    //
    // Arm_TestValid2_backend.so   -> valid (but duplicated from backendsTestPath5/)
    // Arm_TestValid4_backend.so   -> valid (it has a different filename,
    //                                       but it has the same backend id of Arm_TestValid2_backend.so
    //                                       and the same version)
    // Arm_TestValid5_backend.so   -> valid (basic backend name)
    // Arm_TestInvalid9_backend.so -> not valid (it has a different filename,
    //                                           but it has the same backend id of Arm_TestValid2_backend.so
    //                                           and a version incompatible with the Backend API)

    std::string testDynamicBackendsSubDir5 = GetTestSubDirectory(g_TestDynamicBackendsSubDir5);
    std::string testDynamicBackendsSubDir6 = GetTestSubDirectory(g_TestDynamicBackendsSubDir6);
    std::string testDynamicBackendsSubDir7 = GetTestSubDirectory(g_TestDynamicBackendsSubDir7);
    std::string testDynamicBackendsSubDir8 = GetTestSubDirectory(g_TestDynamicBackendsSubDir8);
    BOOST_CHECK(exists(testDynamicBackendsSubDir5));
    BOOST_CHECK(exists(testDynamicBackendsSubDir6));
    BOOST_CHECK(exists(testDynamicBackendsSubDir7));
    BOOST_CHECK(!exists(testDynamicBackendsSubDir8));

    std::vector<std::string> backendPaths
    {
        testDynamicBackendsSubDir5,
        testDynamicBackendsSubDir6,
        testDynamicBackendsSubDir7,
        testDynamicBackendsSubDir8
    };
    std::vector<std::string> sharedObjects = DynamicBackendUtils::GetSharedObjects(backendPaths);
    std::vector<DynamicBackendPtr> dynamicBackends = DynamicBackendUtils::CreateDynamicBackends(sharedObjects);

    BOOST_TEST(dynamicBackends.size() == 5);
    BOOST_TEST((dynamicBackends[0] != nullptr));
    BOOST_TEST((dynamicBackends[1] != nullptr));
    BOOST_TEST((dynamicBackends[2] != nullptr));
    BOOST_TEST((dynamicBackends[3] != nullptr));
    BOOST_TEST((dynamicBackends[4] != nullptr));

    // Duplicates are allowed here, they will be skipped later during the backend registration
    BOOST_TEST((dynamicBackends[0]->GetBackendId() == "TestValid2"));
    BOOST_TEST((dynamicBackends[1]->GetBackendId() == "TestValid3"));
    BOOST_TEST((dynamicBackends[2]->GetBackendId() == "TestValid2")); // From duplicate Arm_TestValid2_backend.so
    BOOST_TEST((dynamicBackends[3]->GetBackendId() == "TestValid2")); // From Arm_TestValid4_backend.so
    BOOST_TEST((dynamicBackends[4]->GetBackendId() == "TestValid5"));
}

CreateValidDynamicBackendObjectTestImpl()

void CreateValidDynamicBackendObjectTestImpl

(

)

Definition at line 377 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    // Valid shared object handle
    // Correct name mangling
    // Correct interface
    // Correct backend implementation

    using namespace armnn;

    std::string testSubDirectory = GetTestSubDirectory(g_TestDynamicBackendSubDir);

    // We expect this path to exists so we can load a valid dynamic backend.
    BOOST_CHECK_MESSAGE(fs::exists(testSubDirectory),
                       "Base path for shared objects does not exist: " + testSubDirectory);

    std::string sharedObjectFilePath = GetTestFilePath(testSubDirectory, g_TestValidTestDynamicBackendFileName);

    void* sharedObjectHandle = nullptr;
    BOOST_CHECK_NO_THROW(sharedObjectHandle = DynamicBackendUtils::OpenHandle(sharedObjectFilePath));
    BOOST_TEST((sharedObjectHandle != nullptr));

    DynamicBackendPtr dynamicBackend;
    BOOST_CHECK_NO_THROW(dynamicBackend.reset(new DynamicBackend(sharedObjectHandle)));
    BOOST_TEST((dynamicBackend != nullptr));

    BackendId dynamicBackendId;
    BOOST_CHECK_NO_THROW(dynamicBackendId = dynamicBackend->GetBackendId());
    BOOST_TEST((dynamicBackendId == "ValidTestDynamicBackend"));

    BackendVersion dynamicBackendVersion;
    BOOST_CHECK_NO_THROW(dynamicBackendVersion = dynamicBackend->GetBackendVersion());
    BOOST_TEST((dynamicBackendVersion == IBackendInternal::GetApiVersion()));

    IBackendInternalUniquePtr dynamicBackendInstance1;
    BOOST_CHECK_NO_THROW(dynamicBackendInstance1 = dynamicBackend->GetBackend());
    BOOST_TEST((dynamicBackendInstance1 != nullptr));

    BackendRegistry::FactoryFunction dynamicBackendFactoryFunction = nullptr;
    BOOST_CHECK_NO_THROW(dynamicBackendFactoryFunction = dynamicBackend->GetFactoryFunction());
    BOOST_TEST((dynamicBackendFactoryFunction != nullptr));

    IBackendInternalUniquePtr dynamicBackendInstance2;
    BOOST_CHECK_NO_THROW(dynamicBackendInstance2 = dynamicBackendFactoryFunction());
    BOOST_TEST((dynamicBackendInstance2 != nullptr));

    BOOST_TEST((dynamicBackendInstance1->GetId() == "ValidTestDynamicBackend"));
    BOOST_TEST((dynamicBackendInstance2->GetId() == "ValidTestDynamicBackend"));
}

GetBackendPathsOverrideTestImpl()

void GetBackendPathsOverrideTestImpl

(

)

Definition at line 680 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    using namespace armnn;
    using namespace fs;

    std::string subDir1 = GetTestSubDirectory(g_TestDynamicBackendsSubDir1);
    std::string subDir4 = GetTestSubDirectory(g_TestDynamicBackendsSubDir4);

    BOOST_CHECK(exists(subDir1));
    BOOST_CHECK(!exists(subDir4));

    // Override with valid path
    std::vector<std::string> validResult = DynamicBackendUtils::GetBackendPaths(subDir1);
    BOOST_TEST(validResult.size() == 1);
    BOOST_TEST(validResult[0] == subDir1);

    // Override with invalid path
    std::vector<std::string> invalidResult = DynamicBackendUtils::GetBackendPaths(subDir4);
    BOOST_TEST(invalidResult.empty());
}

GetBackendPathsTestImpl()

void GetBackendPathsTestImpl

(

)

Definition at line 600 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    using namespace armnn;
    using namespace fs;

    // The test covers four directories:
    // <unit test path>/src/backends/backendsCommon/test/
    //                                                ├─ backendsTestPath1/   -> exists, contains files
    //                                                ├─ backendsTestPath2/   -> exists, contains files
    //                                                ├─ backendsTestPath3/   -> exists, but empty
    //                                                └─ backendsTestPath4/   -> does not exist

    std::string subDir1 = GetTestSubDirectory(g_TestDynamicBackendsSubDir1);
    std::string subDir2 = GetTestSubDirectory(g_TestDynamicBackendsSubDir2);
    std::string subDir3 = GetTestSubDirectory(g_TestDynamicBackendsSubDir3);
    std::string subDir4 = GetTestSubDirectory(g_TestDynamicBackendsSubDir4);

    BOOST_CHECK(exists(subDir1));
    BOOST_CHECK(exists(subDir2));
    BOOST_CHECK(exists(subDir3));
    BOOST_CHECK(!exists(subDir4));

    // No path
    BOOST_TEST(TestDynamicBackendUtils::GetBackendPathsImplTest("").empty());

    // Malformed path
    std::string malformedDir(subDir1 + "/" + subDir1);
    BOOST_TEST(TestDynamicBackendUtils::GetBackendPathsImplTest(malformedDir).size()==0);

    // Single valid path
    std::vector<std::string> DynamicBackendPaths2 = TestDynamicBackendUtils::GetBackendPathsImplTest(subDir1);
    BOOST_TEST(DynamicBackendPaths2.size() == 1);
    BOOST_TEST(DynamicBackendPaths2[0] == subDir1);

    // Multiple equal and valid paths
    std::string multipleEqualDirs(subDir1 + ":" + subDir1);
    std::vector<std::string> DynamicBackendPaths3 = TestDynamicBackendUtils::GetBackendPathsImplTest(multipleEqualDirs);
    BOOST_TEST(DynamicBackendPaths3.size() == 1);
    BOOST_TEST(DynamicBackendPaths3[0] == subDir1);

    // Multiple empty paths
    BOOST_TEST(TestDynamicBackendUtils::GetBackendPathsImplTest(":::").empty());

    // Multiple valid paths
    std::string multipleValidPaths(subDir1 + ":" + subDir2 + ":" + subDir3);
    std::vector<std::string> DynamicBackendPaths5 =
        TestDynamicBackendUtils::GetBackendPathsImplTest(multipleValidPaths);
    BOOST_TEST(DynamicBackendPaths5.size() == 3);
    BOOST_TEST(DynamicBackendPaths5[0] == subDir1);
    BOOST_TEST(DynamicBackendPaths5[1] == subDir2);
    BOOST_TEST(DynamicBackendPaths5[2] == subDir3);

    // Valid among empty paths
    std::string validAmongEmptyDirs("::" + subDir1 + ":");
    std::vector<std::string> DynamicBackendPaths6 =
        TestDynamicBackendUtils::GetBackendPathsImplTest(validAmongEmptyDirs);
    BOOST_TEST(DynamicBackendPaths6.size() == 1);
    BOOST_TEST(DynamicBackendPaths6[0] == subDir1);

    // Invalid among empty paths
    std::string invalidAmongEmptyDirs(":" + subDir4 + "::");
    BOOST_TEST(TestDynamicBackendUtils::GetBackendPathsImplTest(invalidAmongEmptyDirs).empty());

    // Valid, invalid and empty paths
    std::string validInvalidEmptyDirs(subDir1 + ":" + subDir4 + ":");
    std::vector<std::string> DynamicBackendPaths8 =
        TestDynamicBackendUtils::GetBackendPathsImplTest(validInvalidEmptyDirs);
    BOOST_TEST(DynamicBackendPaths8.size() == 1);
    BOOST_TEST(DynamicBackendPaths8[0] == subDir1);

    // Mix of duplicates of valid, invalid and empty paths
    std::string duplicateValidInvalidEmptyDirs(validInvalidEmptyDirs + ":" + validInvalidEmptyDirs + ":" +
                                               subDir2 + ":" + subDir2);
    std::vector<std::string> DynamicBackendPaths9 =
        TestDynamicBackendUtils::GetBackendPathsImplTest(duplicateValidInvalidEmptyDirs);
    BOOST_TEST(DynamicBackendPaths9.size() == 2);
    BOOST_TEST(DynamicBackendPaths9[0] == subDir1);
    BOOST_TEST(DynamicBackendPaths9[1] == subDir2);
}

GetBasePath()

std::string GetBasePath

(

const std::string &

basePath

)

Definition at line 109 of file DynamicBackendTests.hpp.

References DYNAMIC_BACKEND_BUILD_DIR.

Referenced by GetDynamicBackendsBasePath(), and GetTestDirectoryBasePath().

{
    using namespace fs;
    // What we're looking for here is the location of the UnitTests executable.
    // In the normal build environment there are a series of files and
    // directories created by cmake. If the executable has been relocated they
    // may not be there. The search hierarchy is:
    // * User specified --dynamic-backend-build-dir
    // * Compile time value of DYNAMIC_BACKEND_BUILD_DIR.
    // * Arg0 location.
    // * Fall back value of current directory.
    path programLocation = DYNAMIC_BACKEND_BUILD_DIR;
    // Look for the specific argument --dynamic-backend-build-dir?
    if (boost::unit_test::framework::master_test_suite().argc == 3)
    {
        // Boost custom arguments begin after a '--' on the command line.
        if (g_TestDirCLI.compare(boost::unit_test::framework::master_test_suite().argv[1]) == 0)
        {
            // Then the next argument is the path.
            programLocation = boost::unit_test::framework::master_test_suite().argv[2];
        }
    }
    else
    {
        // Start by checking if DYNAMIC_BACKEND_BUILD_DIR value exist.
        if (!exists(programLocation))
        {
            // That doesn't exist try looking at arg[0].
            path arg0Path(boost::unit_test::framework::master_test_suite().argv[0]);
            arg0Path.remove_filename();
            path arg0SharedObjectPath(arg0Path);
            arg0SharedObjectPath.append(basePath);
            if (exists(arg0SharedObjectPath))
            {
                // Yeah arg0 worked.
                programLocation = arg0Path;
            }
        }
    }
    // This is the base path from the build where the test libraries were built.
    path sharedObjectPath = programLocation.append(basePath);
    BOOST_REQUIRE_MESSAGE(exists(sharedObjectPath), "Base path for shared objects does not exist: " +
                          sharedObjectPath.string() + "\nTo specify the root of this base path on the " +
                          "command line add: \'-- --dynamic-backend-build-dir <path>\'");
    return sharedObjectPath.string();
}

GetDynamicBackendsBasePath()

std::string GetDynamicBackendsBasePath

(

)

Definition at line 161 of file DynamicBackendTests.hpp.

References GetBasePath().

Referenced by RuntimeInvalidOverridePathTestImpl().

{
    return GetBasePath(g_DynamicBackendsBaseDir);
}

GetNameMangledEntryPointTestImpl()

void GetNameMangledEntryPointTestImpl

(

)

Definition at line 273 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    using namespace armnn;

    std::string testSubDirectory = GetTestSubDirectory(g_TestSharedObjectSubDir);
    std::string sharedObjectFilePath = GetTestFilePath(testSubDirectory, g_TestSharedObjectFileName);

    void* sharedObjectHandle = nullptr;
    BOOST_CHECK_NO_THROW(sharedObjectHandle = DynamicBackendUtils::OpenHandle(sharedObjectFilePath));
    BOOST_TEST((sharedObjectHandle != nullptr));

    using TestFunctionType = int(*)(int);
    TestFunctionType testFunctionPointer = nullptr;
    BOOST_CHECK_THROW(testFunctionPointer = DynamicBackendUtils::GetEntryPoint<TestFunctionType>(sharedObjectHandle,
                                                                                                 "TestFunction2"),
                      RuntimeException);
    BOOST_TEST((testFunctionPointer == nullptr));

    DynamicBackendUtils::CloseHandle(sharedObjectHandle);
}

GetNoExternEntryPointTestImpl()

void GetNoExternEntryPointTestImpl

(

)

Definition at line 294 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    using namespace armnn;

    std::string testSubDirectory = GetTestSubDirectory(g_TestSharedObjectSubDir);
    std::string sharedObjectFilePath = GetTestFilePath(testSubDirectory, g_TestSharedObjectFileName);

    void* sharedObjectHandle = nullptr;
    BOOST_CHECK_NO_THROW(sharedObjectHandle = DynamicBackendUtils::OpenHandle(sharedObjectFilePath));
    BOOST_TEST((sharedObjectHandle != nullptr));

    using TestFunctionType = int(*)(int);
    TestFunctionType testFunctionPointer = nullptr;
    BOOST_CHECK_THROW(testFunctionPointer = DynamicBackendUtils::GetEntryPoint<TestFunctionType>(sharedObjectHandle,
                                                                                                 "TestFunction3"),
                      RuntimeException);
    BOOST_TEST((testFunctionPointer == nullptr));

    DynamicBackendUtils::CloseHandle(sharedObjectHandle);
}

GetNotExistingEntryPointTestImpl()

void GetNotExistingEntryPointTestImpl

(

)

Definition at line 315 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    using namespace armnn;

    std::string testSubDirectory = GetTestSubDirectory(g_TestSharedObjectSubDir);
    std::string sharedObjectFilePath = GetTestFilePath(testSubDirectory, g_TestSharedObjectFileName);

    void* sharedObjectHandle = nullptr;
    BOOST_CHECK_NO_THROW(sharedObjectHandle = DynamicBackendUtils::OpenHandle(sharedObjectFilePath));
    BOOST_TEST((sharedObjectHandle != nullptr));

    using TestFunctionType = int(*)(int);
    TestFunctionType testFunctionPointer = nullptr;
    BOOST_CHECK_THROW(testFunctionPointer = DynamicBackendUtils::GetEntryPoint<TestFunctionType>(sharedObjectHandle,
                                                                                                 "TestFunction4"),
                      RuntimeException);
    BOOST_TEST((testFunctionPointer == nullptr));

    DynamicBackendUtils::CloseHandle(sharedObjectHandle);
}

GetSharedObjectsTestImpl()

void GetSharedObjectsTestImpl

(

)

Definition at line 701 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    using namespace armnn;
    using namespace fs;

    // The test covers four directories:
    // <unit test path>/src/backends/backendsCommon/test/
    //                                                ├─ backendsTestPath1/   -> exists, contains files
    //                                                ├─ backendsTestPath2/   -> exists, contains files
    //                                                ├─ backendsTestPath3/   -> exists, but empty
    //                                                └─ backendsTestPath4/   -> does not exist
    //
    // The test sub-directory backendsTestPath1/ contains the following test files:
    //
    // Arm_GpuAcc_backend.so                                       -> valid (basic backend name)
    // Arm_GpuAcc_backend.so.1                                     -> valid (single field version number)
    // Arm_GpuAcc_backend.so.1.2                                   -> valid (multiple field version number)
    // Arm_GpuAcc_backend.so.1.2.3                                 -> valid (multiple field version number)
    // Arm_GpuAcc_backend.so.10.1.27                               -> valid (Multiple digit version)
    // Arm_GpuAcc_backend.so.10.1.33.                              -> not valid (dot not followed by version number)
    // Arm_GpuAcc_backend.so.3.4..5                                -> not valid (dot not followed by version number)
    // Arm_GpuAcc_backend.so.1,1.1                                 -> not valid (comma instead of dot in the version)
    //
    // Arm123_GpuAcc_backend.so                                    -> valid (digits in vendor name are allowed)
    // Arm_GpuAcc456_backend.so                                    -> valid (digits in backend id are allowed)
    // Arm%Co_GpuAcc_backend.so                                    -> not valid (invalid character in vendor name)
    // Arm_Gpu.Acc_backend.so                                      -> not valid (invalid character in backend id)
    //
    // GpuAcc_backend.so                                           -> not valid (missing vendor name)
    // _GpuAcc_backend.so                                          -> not valid (missing vendor name)
    // Arm__backend.so                                             -> not valid (missing backend id)
    // Arm_GpuAcc.so                                               -> not valid (missing "backend" at the end)
    // __backend.so                                                -> not valid (missing vendor name and backend id)
    // __.so                                                       -> not valid (missing all fields)
    //
    // Arm_GpuAcc_backend                                          -> not valid (missing at least ".so" at the end)
    // Arm_GpuAcc_backend_v1.2.so                                  -> not valid (extra version info at the end)
    //
    // The test sub-directory backendsTestPath1/ contains the following test files:
    //
    // Arm_CpuAcc_backend.so                                       -> valid (basic backend name)
    // Arm_CpuAcc_backend.so.1 -> Arm_CpuAcc_backend.so            -> valid (symlink to valid backend file)
    // Arm_CpuAcc_backend.so.1.2 -> Arm_CpuAcc_backend.so.1        -> valid (symlink to valid symlink)
    // Arm_CpuAcc_backend.so.1.2.3 -> Arm_CpuAcc_backend.so.1.2    -> valid (symlink to valid symlink)
    //
    // Arm_no_backend.so -> nothing                                -> not valid (symlink resolves to non-existent file)
    //
    // Arm_GpuAcc_backend.so                                       -> valid (but duplicated from backendsTestPath1/)

    std::string testDynamicBackendsSubDir1 = GetTestSubDirectory(g_TestDynamicBackendsSubDir1);
    std::string testDynamicBackendsSubDir2 = GetTestSubDirectory(g_TestDynamicBackendsSubDir2);
    std::string testDynamicBackendsSubDir3 = GetTestSubDirectory(g_TestDynamicBackendsSubDir3);
    std::string testDynamicBackendsSubDir4 = GetTestSubDirectory(g_TestDynamicBackendsSubDir4);
    BOOST_CHECK(exists(testDynamicBackendsSubDir1));
    BOOST_CHECK(exists(testDynamicBackendsSubDir2));
    BOOST_CHECK(exists(testDynamicBackendsSubDir3));
    BOOST_CHECK(!exists(testDynamicBackendsSubDir4));

    std::vector<std::string> backendPaths
    {
        testDynamicBackendsSubDir1,
        testDynamicBackendsSubDir2,
        testDynamicBackendsSubDir3,
        testDynamicBackendsSubDir4
    };
    std::vector<std::string> sharedObjects = DynamicBackendUtils::GetSharedObjects(backendPaths);
    std::vector<fs::path> expectedSharedObjects
    {
        path(testDynamicBackendsSubDir1 + "Arm123_GpuAcc_backend.so"),      // Digits in vendor name are allowed
        path(testDynamicBackendsSubDir1 + "Arm_GpuAcc456_backend.so"),      // Digits in backend id are allowed
        path(testDynamicBackendsSubDir1 + "Arm_GpuAcc_backend.so"),         // Basic backend name
        path(testDynamicBackendsSubDir1 + "Arm_GpuAcc_backend.so.1"),       // Single field version number
        path(testDynamicBackendsSubDir1 + "Arm_GpuAcc_backend.so.1.2"),     // Multiple field version number
        path(testDynamicBackendsSubDir1 + "Arm_GpuAcc_backend.so.1.2.3"),   // Multiple field version number
        path(testDynamicBackendsSubDir1 + "Arm_GpuAcc_backend.so.10.1.27"), // Multiple digit version
        path(testDynamicBackendsSubDir2 + "Arm_CpuAcc_backend.so"),         // Duplicate symlinks removed
        path(testDynamicBackendsSubDir2 + "Arm_GpuAcc_backend.so")          // Duplicates on different paths are allowed
    };

    BOOST_TEST(sharedObjects.size() == expectedSharedObjects.size());
    BOOST_TEST(fs::equivalent(path(sharedObjects[0]), expectedSharedObjects[0]));
    BOOST_TEST(fs::equivalent(path(sharedObjects[1]), expectedSharedObjects[1]));
    BOOST_TEST(fs::equivalent(path(sharedObjects[2]), expectedSharedObjects[2]));
    BOOST_TEST(fs::equivalent(path(sharedObjects[3]), expectedSharedObjects[3]));
    BOOST_TEST(fs::equivalent(path(sharedObjects[4]), expectedSharedObjects[4]));
    BOOST_TEST(fs::equivalent(path(sharedObjects[5]), expectedSharedObjects[5]));
    BOOST_TEST(fs::equivalent(path(sharedObjects[6]), expectedSharedObjects[6]));
    BOOST_TEST(fs::equivalent(path(sharedObjects[7]), expectedSharedObjects[7]));
    BOOST_TEST(fs::equivalent(path(sharedObjects[8]), expectedSharedObjects[8]));
}

GetTestDirectoryBasePath()

std::string GetTestDirectoryBasePath

(

)

Definition at line 156 of file DynamicBackendTests.hpp.

References GetBasePath().

Referenced by GetTestSubDirectory().

{
    return GetBasePath(g_TestBaseDir);
}

GetTestFilePath()

std::string GetTestFilePath	(	const std::string &	directory,
		const std::string &	fileName
	)

Definition at line 189 of file DynamicBackendTests.hpp.

{
    using namespace fs;

    path directoryPath(directory);
    path fileNamePath = directoryPath.append(fileName);
    BOOST_CHECK(exists(fileNamePath));

    return fileNamePath.string();
}

GetTestSubDirectory() [1/2]

std::string GetTestSubDirectory

(

const std::string &

subdir

)

Definition at line 166 of file DynamicBackendTests.hpp.

References GetTestDirectoryBasePath().

Referenced by CreateDynamicBackendObjectInvalidInterface1TestImpl(), CreateDynamicBackendObjectInvalidInterface2TestImpl(), CreateDynamicBackendObjectInvalidInterface3TestImpl(), CreateDynamicBackendObjectInvalidInterface4TestImpl(), CreateDynamicBackendObjectInvalidInterface5TestImpl(), CreateDynamicBackendObjectInvalidInterface6TestImpl(), CreateDynamicBackendObjectInvalidInterface7TestImpl(), CreateDynamicBackendsMixedTypesTestImpl(), CreateDynamicBackendsTestImpl(), CreateValidDynamicBackendObjectTestImpl(), GetBackendPathsOverrideTestImpl(), GetBackendPathsTestImpl(), GetNameMangledEntryPointTestImpl(), GetNoExternEntryPointTestImpl(), GetNotExistingEntryPointTestImpl(), GetSharedObjectsTestImpl(), GetValidEntryPointTestImpl(), OpenCloseHandleTestImpl(), OpenNotSharedObjectTestImpl(), RegisterMixedDynamicBackendsTestImpl(), RegisterMultipleDynamicBackendsTestImpl(), RegisterMultipleInvalidDynamicBackendsTestImpl(), RegisterSingleDynamicBackendTestImpl(), RuntimeDuplicateDynamicBackendsTestImpl(), RuntimeDynamicBackendsTestImpl(), RuntimeInvalidDynamicBackendsTestImpl(), and RuntimeInvalidOverridePathTestImpl().

{
    using namespace fs;

    std::string testDynamicBackendsBaseDir = GetTestDirectoryBasePath();
    path testDynamicBackendsBasePath(testDynamicBackendsBaseDir);
    path testDynamicBackendsSubDir = testDynamicBackendsBasePath.append(subdir);
    // Do not check that the sub-directory exists because for testing reasons we may use non-existing paths

    return testDynamicBackendsSubDir.string();
}

GetTestSubDirectory() [2/2]

std::string GetTestSubDirectory	(	const std::string &	basePath,
		const std::string &	subdir
	)

Definition at line 178 of file DynamicBackendTests.hpp.

{
    using namespace fs;

    path testDynamicBackendsBasePath(basePath);
    path testDynamicBackendsSubDir = testDynamicBackendsBasePath.append(subdir);
    // Do not check that the sub-directory exists because for testing reasons we may use non-existing paths

    return testDynamicBackendsSubDir.string();
}

GetValidEntryPointTestImpl()

void GetValidEntryPointTestImpl

(

)

Definition at line 252 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    using namespace armnn;

    std::string testSubDirectory = GetTestSubDirectory(g_TestSharedObjectSubDir);
    std::string sharedObjectFilePath = GetTestFilePath(testSubDirectory, g_TestSharedObjectFileName);

    void* sharedObjectHandle = nullptr;
    BOOST_CHECK_NO_THROW(sharedObjectHandle = DynamicBackendUtils::OpenHandle(sharedObjectFilePath));
    BOOST_TEST((sharedObjectHandle != nullptr));

    using TestFunctionType = int(*)(int);
    TestFunctionType testFunctionPointer = nullptr;
    BOOST_CHECK_NO_THROW(testFunctionPointer = DynamicBackendUtils::GetEntryPoint<TestFunctionType>(sharedObjectHandle,
                                                                                                    "TestFunction1"));
    BOOST_TEST((testFunctionPointer != nullptr));
    BOOST_TEST(testFunctionPointer(7) == 7);

    DynamicBackendUtils::CloseHandle(sharedObjectHandle);
}

OpenCloseHandleTestImpl()

void OpenCloseHandleTestImpl

(

)

Definition at line 200 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    using namespace armnn;

    std::string testSubDirectory = GetTestSubDirectory(g_TestSharedObjectSubDir);
    std::string sharedObjectFilePath = GetTestFilePath(testSubDirectory, g_TestSharedObjectFileName);

    void* sharedObjectHandle = nullptr;
    BOOST_CHECK_NO_THROW(sharedObjectHandle = DynamicBackendUtils::OpenHandle(sharedObjectFilePath));
    BOOST_TEST((sharedObjectHandle != nullptr));

    DynamicBackendUtils::CloseHandle(sharedObjectHandle);
}

OpenEmptyFileNameTestImpl()

void OpenEmptyFileNameTestImpl

(

)

Definition at line 222 of file DynamicBackendTests.hpp.

{
    using namespace armnn;

    void* sharedObjectHandle = nullptr;
    BOOST_CHECK_THROW(sharedObjectHandle = DynamicBackendUtils::OpenHandle(""), RuntimeException);
    BOOST_TEST((sharedObjectHandle == nullptr));
}

OpenNotExistingFileTestImpl()

void OpenNotExistingFileTestImpl

(

)

Definition at line 231 of file DynamicBackendTests.hpp.

{
    using namespace armnn;

    void* sharedObjectHandle = nullptr;
    BOOST_CHECK_THROW(sharedObjectHandle = DynamicBackendUtils::OpenHandle("NotExistingFileName"), RuntimeException);
    BOOST_TEST((sharedObjectHandle == nullptr));
}

OpenNotSharedObjectTestImpl()

void OpenNotSharedObjectTestImpl

(

)

Definition at line 240 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    using namespace armnn;

    std::string testSubDirectory = GetTestSubDirectory(g_TestSharedObjectSubDir);
    std::string notSharedObjectFilePath = GetTestFilePath(testSubDirectory, g_TestNoSharedObjectFileName);

    void* sharedObjectHandle = nullptr;
    BOOST_CHECK_THROW(sharedObjectHandle = DynamicBackendUtils::OpenHandle(notSharedObjectFilePath), RuntimeException);
    BOOST_TEST((sharedObjectHandle == nullptr));
}

RegisterMixedDynamicBackendsTestImpl()

void RegisterMixedDynamicBackendsTestImpl

(

)

Definition at line 1096 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    using namespace armnn;
    using namespace fs;

    // The test covers five directories:
    // <unit test path>/src/backends/backendsCommon/test/
    //                                                ├─ backendsTestPath5/   -> exists, contains files
    //                                                ├─ backendsTestPath6/   -> exists, contains files
    //                                                ├─ backendsTestPath7/   -> exists, but empty
    //                                                ├─ backendsTestPath8/   -> does not exist
    //                                                └─ backendsTestPath9/   -> exists, contains files
    //
    // The test sub-directory backendsTestPath5/ contains the following test files:
    //
    // Arm_TestValid2_backend.so   -> valid (basic backend name)
    // Arm_TestValid3_backend.so   -> valid (basic backend name)
    // Arm_TestInvalid8_backend.so -> not valid (invalid backend id)
    //
    // The test sub-directory backendsTestPath6/ contains the following test files:
    //
    // Arm_TestValid2_backend.so   -> valid (but duplicated from backendsTestPath5/)
    // Arm_TestValid4_backend.so   -> valid (it has a different filename,
    //                                       but it has the same backend id of Arm_TestValid2_backend.so
    //                                       and the same version)
    // Arm_TestValid5_backend.so   -> valid (basic backend name)
    // Arm_TestInvalid9_backend.so -> not valid (it has a different filename,
    //                                           but it has the same backend id of Arm_TestValid2_backend.so
    //                                           and a version incompatible with the Backend API)
    //
    // The test sub-directory backendsTestPath9/ contains the following test files:
    //
    // Arm_TestInvalid10_backend.so -> not valid (empty backend id)
    // Arm_TestInvalid11_backend.so -> not valid ("Unknown" backend id)

    std::string testDynamicBackendsSubDir5 = GetTestSubDirectory(g_TestDynamicBackendsSubDir5);
    std::string testDynamicBackendsSubDir6 = GetTestSubDirectory(g_TestDynamicBackendsSubDir6);
    std::string testDynamicBackendsSubDir7 = GetTestSubDirectory(g_TestDynamicBackendsSubDir7);
    std::string testDynamicBackendsSubDir8 = GetTestSubDirectory(g_TestDynamicBackendsSubDir8);
    std::string testDynamicBackendsSubDir9 = GetTestSubDirectory(g_TestDynamicBackendsSubDir9);
    BOOST_CHECK(exists(testDynamicBackendsSubDir5));
    BOOST_CHECK(exists(testDynamicBackendsSubDir6));
    BOOST_CHECK(exists(testDynamicBackendsSubDir7));
    BOOST_CHECK(!exists(testDynamicBackendsSubDir8));
    BOOST_CHECK(exists(testDynamicBackendsSubDir9));

    std::string testValidBackend2FilePath    = GetTestFilePath(testDynamicBackendsSubDir5, g_TestValidBackend2FileName);
    std::string testValidBackend3FilePath    = GetTestFilePath(testDynamicBackendsSubDir5, g_TestValidBackend3FileName);
    std::string testValidBackend2DupFilePath = GetTestFilePath(testDynamicBackendsSubDir6, g_TestValidBackend2FileName);
    std::string testValidBackend4FilePath    = GetTestFilePath(testDynamicBackendsSubDir6, g_TestValidBackend4FileName);
    std::string testValidBackend5FilePath    = GetTestFilePath(testDynamicBackendsSubDir6, g_TestValidBackend5FileName);
    std::string testInvalidBackend8FilePath  = GetTestFilePath(testDynamicBackendsSubDir5,
                                                               g_TestInvalidBackend8FileName);
    std::string testInvalidBackend9FilePath  = GetTestFilePath(testDynamicBackendsSubDir6,
                                                               g_TestInvalidBackend9FileName);
    std::string testInvalidBackend10FilePath = GetTestFilePath(testDynamicBackendsSubDir9,
                                                               g_TestInvalidBackend10FileName);
    std::string testInvalidBackend11FilePath = GetTestFilePath(testDynamicBackendsSubDir9,
                                                               g_TestInvalidBackend11FileName);
    BOOST_CHECK(exists(testValidBackend2FilePath));
    BOOST_CHECK(exists(testValidBackend3FilePath));
    BOOST_CHECK(exists(testValidBackend2DupFilePath));
    BOOST_CHECK(exists(testValidBackend4FilePath));
    BOOST_CHECK(exists(testValidBackend5FilePath));
    BOOST_CHECK(exists(testInvalidBackend8FilePath));
    BOOST_CHECK(exists(testInvalidBackend9FilePath));
    BOOST_CHECK(exists(testInvalidBackend10FilePath));
    BOOST_CHECK(exists(testInvalidBackend11FilePath));

    std::vector<std::string> sharedObjects
    {
        testValidBackend2FilePath,
        testValidBackend3FilePath,
        testValidBackend2DupFilePath,
        testValidBackend4FilePath,
        testValidBackend5FilePath,
        testInvalidBackend8FilePath,
        testInvalidBackend9FilePath,
        testInvalidBackend10FilePath,
        testInvalidBackend11FilePath,
        "InvalidSharedObject"
    };
    std::vector<DynamicBackendPtr> dynamicBackends = TestDynamicBackendUtils::CreateDynamicBackends(sharedObjects);

    BOOST_TEST(dynamicBackends.size() == 7);
    BOOST_TEST((dynamicBackends[0] != nullptr));
    BOOST_TEST((dynamicBackends[1] != nullptr));
    BOOST_TEST((dynamicBackends[2] != nullptr));
    BOOST_TEST((dynamicBackends[3] != nullptr));
    BOOST_TEST((dynamicBackends[4] != nullptr));
    BOOST_TEST((dynamicBackends[5] != nullptr));
    BOOST_TEST((dynamicBackends[6] != nullptr));

    BackendId dynamicBackendId1 = dynamicBackends[0]->GetBackendId();
    BackendId dynamicBackendId2 = dynamicBackends[1]->GetBackendId();
    BackendId dynamicBackendId3 = dynamicBackends[2]->GetBackendId();
    BackendId dynamicBackendId4 = dynamicBackends[3]->GetBackendId();
    BackendId dynamicBackendId5 = dynamicBackends[4]->GetBackendId();
    BackendId dynamicBackendId6 = dynamicBackends[5]->GetBackendId();
    BackendId dynamicBackendId7 = dynamicBackends[6]->GetBackendId();
    BOOST_TEST((dynamicBackendId1 == "TestValid2"));
    BOOST_TEST((dynamicBackendId2 == "TestValid3"));
    BOOST_TEST((dynamicBackendId3 == "TestValid2")); // From duplicate Arm_TestValid2_backend.so
    BOOST_TEST((dynamicBackendId4 == "TestValid2")); // From Arm_TestValid4_backend.so
    BOOST_TEST((dynamicBackendId5 == "TestValid5"));
    BOOST_TEST((dynamicBackendId6 == ""));
    BOOST_TEST((dynamicBackendId7 == "Unknown"));

    for (size_t i = 0; i < dynamicBackends.size(); i++)
    {
        BackendVersion dynamicBackendVersion = dynamicBackends[i]->GetBackendVersion();
        BOOST_TEST(TestDynamicBackendUtils::IsBackendCompatible(dynamicBackendVersion));
    }

    // Dummy registry used for testing
    BackendRegistry backendRegistry;
    BOOST_TEST(backendRegistry.Size() == 0);

    std::vector<BackendId> expectedRegisteredbackendIds
    {
        "TestValid2",
        "TestValid3",
        "TestValid5"
    };

    BackendIdSet registeredBackendIds = TestDynamicBackendUtils::RegisterDynamicBackendsImplTest(backendRegistry,
                                                                                                 dynamicBackends);
    BOOST_TEST(backendRegistry.Size() == expectedRegisteredbackendIds.size());
    BOOST_TEST(registeredBackendIds.size() == expectedRegisteredbackendIds.size());

    BackendIdSet backendIds = backendRegistry.GetBackendIds();
    BOOST_TEST(backendIds.size() == expectedRegisteredbackendIds.size());
    for (const BackendId& expectedRegisteredbackendId : expectedRegisteredbackendIds)
    {
        BOOST_TEST((backendIds.find(expectedRegisteredbackendId) != backendIds.end()));
        BOOST_TEST((registeredBackendIds.find(expectedRegisteredbackendId) != registeredBackendIds.end()));

        auto dynamicBackendFactoryFunction = backendRegistry.GetFactory(expectedRegisteredbackendId);
        BOOST_TEST((dynamicBackendFactoryFunction != nullptr));

        IBackendInternalUniquePtr dynamicBackend = dynamicBackendFactoryFunction();
        BOOST_TEST((dynamicBackend != nullptr));
        BOOST_TEST((dynamicBackend->GetId() == expectedRegisteredbackendId));
    }
}

RegisterMultipleDynamicBackendsTestImpl()

void RegisterMultipleDynamicBackendsTestImpl

(

)

Definition at line 960 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    using namespace armnn;
    using namespace fs;

    // Register many valid dynamic backends

    std::string testDynamicBackendsSubDir5 = GetTestSubDirectory(g_TestDynamicBackendsSubDir5);
    std::string testDynamicBackendsSubDir6 = GetTestSubDirectory(g_TestDynamicBackendsSubDir6);
    BOOST_CHECK(exists(testDynamicBackendsSubDir5));
    BOOST_CHECK(exists(testDynamicBackendsSubDir6));

    std::string testValidBackend2FilePath = GetTestFilePath(testDynamicBackendsSubDir5, g_TestValidBackend2FileName);
    std::string testValidBackend3FilePath = GetTestFilePath(testDynamicBackendsSubDir5, g_TestValidBackend3FileName);
    std::string testValidBackend5FilePath = GetTestFilePath(testDynamicBackendsSubDir6, g_TestValidBackend5FileName);
    BOOST_CHECK(exists(testValidBackend2FilePath));
    BOOST_CHECK(exists(testValidBackend3FilePath));
    BOOST_CHECK(exists(testValidBackend5FilePath));

    std::vector<std::string> sharedObjects
    {
        testValidBackend2FilePath,
        testValidBackend3FilePath,
        testValidBackend5FilePath
    };
    std::vector<DynamicBackendPtr> dynamicBackends = TestDynamicBackendUtils::CreateDynamicBackends(sharedObjects);

    BOOST_TEST(dynamicBackends.size() == 3);
    BOOST_TEST((dynamicBackends[0] != nullptr));
    BOOST_TEST((dynamicBackends[1] != nullptr));
    BOOST_TEST((dynamicBackends[2] != nullptr));

    BackendId dynamicBackendId1 = dynamicBackends[0]->GetBackendId();
    BackendId dynamicBackendId2 = dynamicBackends[1]->GetBackendId();
    BackendId dynamicBackendId3 = dynamicBackends[2]->GetBackendId();
    BOOST_TEST((dynamicBackendId1 == "TestValid2"));
    BOOST_TEST((dynamicBackendId2 == "TestValid3"));
    BOOST_TEST((dynamicBackendId3 == "TestValid5"));

    for (size_t i = 0; i < dynamicBackends.size(); i++)
    {
        BackendVersion dynamicBackendVersion = dynamicBackends[i]->GetBackendVersion();
        BOOST_TEST(TestDynamicBackendUtils::IsBackendCompatible(dynamicBackendVersion));
    }

    // Dummy registry used for testing
    BackendRegistry backendRegistry;
    BOOST_TEST(backendRegistry.Size() == 0);

    BackendIdSet registeredBackendIds = TestDynamicBackendUtils::RegisterDynamicBackendsImplTest(backendRegistry,
                                                                                                 dynamicBackends);
    BOOST_TEST(backendRegistry.Size() == 3);
    BOOST_TEST(registeredBackendIds.size() == 3);

    BackendIdSet backendIds = backendRegistry.GetBackendIds();
    BOOST_TEST(backendIds.size() == 3);
    BOOST_TEST((backendIds.find(dynamicBackendId1) != backendIds.end()));
    BOOST_TEST((backendIds.find(dynamicBackendId2) != backendIds.end()));
    BOOST_TEST((backendIds.find(dynamicBackendId3) != backendIds.end()));
    BOOST_TEST((registeredBackendIds.find(dynamicBackendId1) != registeredBackendIds.end()));
    BOOST_TEST((registeredBackendIds.find(dynamicBackendId2) != registeredBackendIds.end()));
    BOOST_TEST((registeredBackendIds.find(dynamicBackendId3) != registeredBackendIds.end()));

    for (size_t i = 0; i < dynamicBackends.size(); i++)
    {
        BackendId dynamicBackendId = dynamicBackends[i]->GetBackendId();

        auto dynamicBackendFactoryFunction = backendRegistry.GetFactory(dynamicBackendId);
        BOOST_TEST((dynamicBackendFactoryFunction != nullptr));

        IBackendInternalUniquePtr dynamicBackend = dynamicBackendFactoryFunction();
        BOOST_TEST((dynamicBackend != nullptr));
        BOOST_TEST((dynamicBackend->GetId() == dynamicBackendId));
    }
}

RegisterMultipleInvalidDynamicBackendsTestImpl()

void RegisterMultipleInvalidDynamicBackendsTestImpl

(

)

Definition at line 1036 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    using namespace armnn;
    using namespace fs;

    // Try to register many invalid dynamic backends

    // The test covers one directory:
    // <unit test path>/src/backends/backendsCommon/test/
    //                                                └─ backendsTestPath9/   -> exists, contains files
    //
    // The test sub-directory backendsTestPath9/ contains the following test files:
    //
    // Arm_TestInvalid10_backend.so -> not valid (invalid backend id)
    // Arm_TestInvalid11_backend.so -> not valid (invalid backend id)

    std::string testDynamicBackendsSubDir9 = GetTestSubDirectory(g_TestDynamicBackendsSubDir9);
    BOOST_CHECK(exists(testDynamicBackendsSubDir9));

    std::string testInvalidBackend10FilePath = GetTestFilePath(testDynamicBackendsSubDir9,
                                                               g_TestInvalidBackend10FileName);
    std::string testInvalidBackend11FilePath = GetTestFilePath(testDynamicBackendsSubDir9,
                                                               g_TestInvalidBackend11FileName);
    BOOST_CHECK(exists(testInvalidBackend10FilePath));
    BOOST_CHECK(exists(testInvalidBackend11FilePath));

    std::vector<std::string> sharedObjects
    {
        testInvalidBackend10FilePath,
        testInvalidBackend11FilePath,
        "InvalidSharedObject"
    };
    std::vector<DynamicBackendPtr> dynamicBackends = TestDynamicBackendUtils::CreateDynamicBackends(sharedObjects);

    BOOST_TEST(dynamicBackends.size() == 2);
    BOOST_TEST((dynamicBackends[0] != nullptr));
    BOOST_TEST((dynamicBackends[1] != nullptr));

    BackendId dynamicBackendId1 = dynamicBackends[0]->GetBackendId();
    BackendId dynamicBackendId2 = dynamicBackends[1]->GetBackendId();
    BOOST_TEST((dynamicBackendId1 == ""));
    BOOST_TEST((dynamicBackendId2 == "Unknown"));

    for (size_t i = 0; i < dynamicBackends.size(); i++)
    {
        BackendVersion dynamicBackendVersion = dynamicBackends[i]->GetBackendVersion();
        BOOST_TEST(TestDynamicBackendUtils::IsBackendCompatible(dynamicBackendVersion));
    }

    // Dummy registry used for testing
    BackendRegistry backendRegistry;
    BOOST_TEST(backendRegistry.Size() == 0);

    // Check that no dynamic backend got registered
    BackendIdSet registeredBackendIds = TestDynamicBackendUtils::RegisterDynamicBackendsImplTest(backendRegistry,
                                                                                                 dynamicBackends);
    BOOST_TEST(backendRegistry.Size() == 0);
    BOOST_TEST(registeredBackendIds.empty());
}

RegisterSingleDynamicBackendTestImpl()

void RegisterSingleDynamicBackendTestImpl

(

)

Definition at line 913 of file DynamicBackendTests.hpp.

References GetTestSubDirectory(), and BackendRegistry::Size().

{
    using namespace armnn;
    using namespace fs;

    // Register one valid dynamic backend

    // Dummy registry used for testing
    BackendRegistry backendRegistry;
    BOOST_TEST(backendRegistry.Size() == 0);

    std::string testDynamicBackendsSubDir5 = GetTestSubDirectory(g_TestDynamicBackendsSubDir5);
    BOOST_CHECK(exists(testDynamicBackendsSubDir5));

    std::string testValidBackend2FilePath = GetTestFilePath(testDynamicBackendsSubDir5, g_TestValidBackend2FileName);
    BOOST_CHECK(exists(testValidBackend2FilePath));

    std::vector<std::string> sharedObjects{ testValidBackend2FilePath };
    std::vector<DynamicBackendPtr> dynamicBackends = TestDynamicBackendUtils::CreateDynamicBackends(sharedObjects);

    BOOST_TEST(dynamicBackends.size() == 1);
    BOOST_TEST((dynamicBackends[0] != nullptr));

    BackendId dynamicBackendId = dynamicBackends[0]->GetBackendId();
    BOOST_TEST((dynamicBackendId == "TestValid2"));

    BackendVersion dynamicBackendVersion = dynamicBackends[0]->GetBackendVersion();
    BOOST_TEST(TestDynamicBackendUtils::IsBackendCompatible(dynamicBackendVersion));

    BackendIdSet registeredBackendIds = TestDynamicBackendUtils::RegisterDynamicBackendsImplTest(backendRegistry,
                                                                                                 dynamicBackends);
    BOOST_TEST(backendRegistry.Size() == 1);
    BOOST_TEST(registeredBackendIds.size() == 1);

    BackendIdSet backendIds = backendRegistry.GetBackendIds();
    BOOST_TEST(backendIds.size() == 1);
    BOOST_TEST((backendIds.find(dynamicBackendId) != backendIds.end()));
    BOOST_TEST((registeredBackendIds.find(dynamicBackendId) != registeredBackendIds.end()));

    auto dynamicBackendFactoryFunction = backendRegistry.GetFactory(dynamicBackendId);
    BOOST_TEST((dynamicBackendFactoryFunction != nullptr));

    IBackendInternalUniquePtr dynamicBackend = dynamicBackendFactoryFunction();
    BOOST_TEST((dynamicBackend != nullptr));
    BOOST_TEST((dynamicBackend->GetId() == dynamicBackendId));
}

RuntimeDuplicateDynamicBackendsTestImpl()

void RuntimeDuplicateDynamicBackendsTestImpl

(

)

Definition at line 1307 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    using namespace armnn;
    using namespace fs;

    // Swapping the backend registry storage for testing
    TestBackendRegistry testBackendRegistry;

    // This directory contains valid, invalid and duplicate backends
    std::string testDynamicBackendsSubDir6 = GetTestSubDirectory(g_TestDynamicBackendsSubDir6);
    BOOST_CHECK(exists(testDynamicBackendsSubDir6));

    // Using the path override in CreationOptions to load some test dynamic backends
    IRuntime::CreationOptions creationOptions;
    creationOptions.m_DynamicBackendsPath = testDynamicBackendsSubDir6;
    IRuntimePtr runtime = IRuntime::Create(creationOptions);

    std::vector<BackendId> expectedRegisteredbackendIds
    {
        "TestValid2",
        "TestValid5"
    };

    const BackendRegistry& backendRegistry = BackendRegistryInstance();
    BOOST_TEST(backendRegistry.Size() == expectedRegisteredbackendIds.size());

    BackendIdSet backendIds = backendRegistry.GetBackendIds();
    for (const BackendId& expectedRegisteredbackendId : expectedRegisteredbackendIds)
    {
        BOOST_TEST((backendIds.find(expectedRegisteredbackendId) != backendIds.end()));
    }

    const DeviceSpec& deviceSpec = *PolymorphicDowncast<const DeviceSpec*>(&runtime->GetDeviceSpec());
    BackendIdSet supportedBackendIds = deviceSpec.GetSupportedBackends();
    BOOST_TEST(supportedBackendIds.size() == expectedRegisteredbackendIds.size());
    for (const BackendId& expectedRegisteredbackendId : expectedRegisteredbackendIds)
    {
        BOOST_TEST((supportedBackendIds.find(expectedRegisteredbackendId) != supportedBackendIds.end()));
    }
}

RuntimeDynamicBackendsTestImpl()

void RuntimeDynamicBackendsTestImpl

(

)

Definition at line 1266 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    using namespace armnn;
    using namespace fs;

    // Swapping the backend registry storage for testing
    TestBackendRegistry testBackendRegistry;

    // This directory contains valid and invalid backends
    std::string testDynamicBackendsSubDir5 = GetTestSubDirectory(g_TestDynamicBackendsSubDir5);
    BOOST_CHECK(exists(testDynamicBackendsSubDir5));

    // Using the path override in CreationOptions to load some test dynamic backends
    IRuntime::CreationOptions creationOptions;
    creationOptions.m_DynamicBackendsPath = testDynamicBackendsSubDir5;
    IRuntimePtr runtime = IRuntime::Create(creationOptions);

    std::vector<BackendId> expectedRegisteredbackendIds
    {
        "TestValid2",
        "TestValid3"
    };

    const BackendRegistry& backendRegistry = BackendRegistryInstance();
    BOOST_TEST(backendRegistry.Size() == expectedRegisteredbackendIds.size());

    BackendIdSet backendIds = backendRegistry.GetBackendIds();
    for (const BackendId& expectedRegisteredbackendId : expectedRegisteredbackendIds)
    {
        BOOST_TEST((backendIds.find(expectedRegisteredbackendId) != backendIds.end()));
    }

    const DeviceSpec& deviceSpec = *PolymorphicDowncast<const DeviceSpec*>(&runtime->GetDeviceSpec());
    BackendIdSet supportedBackendIds = deviceSpec.GetSupportedBackends();
    BOOST_TEST(supportedBackendIds.size() == expectedRegisteredbackendIds.size());
    for (const BackendId& expectedRegisteredbackendId : expectedRegisteredbackendIds)
    {
        BOOST_TEST((supportedBackendIds.find(expectedRegisteredbackendId) != supportedBackendIds.end()));
    }
}

RuntimeEmptyTestImpl()

void RuntimeEmptyTestImpl

(

)

Definition at line 1244 of file DynamicBackendTests.hpp.

References armnn::BackendRegistryInstance(), DeviceSpec::GetSupportedBackends(), and BackendRegistry::Size().

{
    using namespace armnn;

    // Swapping the backend registry storage for testing
    TestBackendRegistry testBackendRegistry;

    const BackendRegistry& backendRegistry = BackendRegistryInstance();
    BOOST_TEST(backendRegistry.Size() == 0);

    IRuntime::CreationOptions creationOptions;
    IRuntimePtr runtime = IRuntime::Create(creationOptions);

    const DeviceSpec& deviceSpec = *PolymorphicDowncast<const DeviceSpec*>(&runtime->GetDeviceSpec());
    BackendIdSet supportedBackendIds = deviceSpec.GetSupportedBackends();
    BOOST_TEST(supportedBackendIds.empty());

    BOOST_TEST(backendRegistry.Size() == 0);
}

RuntimeInvalidDynamicBackendsTestImpl()

void RuntimeInvalidDynamicBackendsTestImpl

(

)

Definition at line 1348 of file DynamicBackendTests.hpp.

References GetTestSubDirectory().

{
    using namespace armnn;
    using namespace fs;

    // Swapping the backend registry storage for testing
    TestBackendRegistry testBackendRegistry;

    // This directory contains only invalid backends
    std::string testDynamicBackendsSubDir9 = GetTestSubDirectory(g_TestDynamicBackendsSubDir9);
    BOOST_CHECK(exists(testDynamicBackendsSubDir9));

    // Using the path override in CreationOptions to load some test dynamic backends
    IRuntime::CreationOptions creationOptions;
    creationOptions.m_DynamicBackendsPath = testDynamicBackendsSubDir9;
    IRuntimePtr runtime = IRuntime::Create(creationOptions);

    const BackendRegistry& backendRegistry = BackendRegistryInstance();
    BOOST_TEST(backendRegistry.Size() == 0);

    const DeviceSpec& deviceSpec = *PolymorphicDowncast<const DeviceSpec*>(&runtime->GetDeviceSpec());
    BackendIdSet supportedBackendIds = deviceSpec.GetSupportedBackends();
    BOOST_TEST(supportedBackendIds.empty());
}

RuntimeInvalidOverridePathTestImpl()

void RuntimeInvalidOverridePathTestImpl

(

)

Definition at line 1373 of file DynamicBackendTests.hpp.

References armnn::BackendRegistryInstance(), GetDynamicBackendsBasePath(), DeviceSpec::GetSupportedBackends(), GetTestSubDirectory(), IRuntime::CreationOptions::m_DynamicBackendsPath, and BackendRegistry::Size().

{
    using namespace armnn;

    // Swapping the backend registry storage for testing
    TestBackendRegistry testBackendRegistry;

    // Using the path override in CreationOptions to load some test dynamic backends
    IRuntime::CreationOptions creationOptions;
    creationOptions.m_DynamicBackendsPath = "InvalidPath";
    IRuntimePtr runtime = IRuntime::Create(creationOptions);

    const BackendRegistry& backendRegistry = BackendRegistryInstance();
    BOOST_TEST(backendRegistry.Size() == 0);

    const DeviceSpec& deviceSpec = *PolymorphicDowncast<const DeviceSpec*>(&runtime->GetDeviceSpec());
    BackendIdSet supportedBackendIds = deviceSpec.GetSupportedBackends();
    BOOST_TEST(supportedBackendIds.empty());
}