Opensource ML embedded evaluation kit21.03

Change-Id: I12e807f19f5cacad7cef82572b6dd48252fd61fd

4 files changed, 466 insertions, 0 deletions

diff --git a/tests/common/AppContextTest.cc b/tests/common/AppContextTest.cc
new file mode 100644
index 0000000..42b142d
--- /dev/null
+++ b/tests/common/AppContextTest.cc
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "AppContext.hpp"
+
+#include <catch.hpp>
+
+TEST_CASE("Common: Application context")
+{
+    SECTION("Add primitive type Parameter")
+    {
+        arm::app::ApplicationContext context;
+        context.Set<uint32_t>("imgIndex", 0);
+        auto data = context.Get<uint32_t>("imgIndex");
+
+        REQUIRE(0 == data);
+
+    }
+
+    SECTION("Add object parameter")
+    {
+        arm::app::ApplicationContext context;
+        std::vector <std::string> vect{"a"};
+        context.Set<std::vector <std::string>>("vect", vect);
+        auto data = context.Get<std::vector <std::string>>("vect");
+
+        REQUIRE(vect == data);
+    }
+
+    SECTION("Add reference object parameter")
+    {
+        arm::app::ApplicationContext context;
+        std::vector <std::string> vect{"a"};
+        context.Set<std::vector <std::string>&>("vect", vect);
+        auto data = context.Get<std::vector <std::string>&>("vect");
+
+        REQUIRE(vect == data);
+    }
+
+    SECTION("Add object pointer parameter")
+    {
+        arm::app::ApplicationContext context;
+        std::vector <std::string>* vect = new std::vector <std::string>{"a"};
+        context.Set<std::vector <std::string>*>("vect", vect);
+        auto data = context.Get<std::vector <std::string>*>("vect");
+
+        REQUIRE(vect == data);
+        delete(vect);
+    }
+}
\ No newline at end of file
diff --git a/tests/common/ClassifierTests.cc b/tests/common/ClassifierTests.cc
new file mode 100644
index 0000000..f08a09a
--- /dev/null
+++ b/tests/common/ClassifierTests.cc
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "Classifier.hpp"
+
+#include <catch.hpp>
+
+TEST_CASE("Common classifier")
+{
+    SECTION("Test invalid classifier")
+    {
+        TfLiteTensor* outputTens = nullptr;
+        std::vector <arm::app::ClassificationResult> resultVec;
+        arm::app::Classifier classifier;
+        REQUIRE(!classifier.GetClassificationResults(outputTens, resultVec, {}, 5));
+    }
+
+    SECTION("Test valid classifier UINT8")
+    {
+        const int dimArray[] = {1, 1001};
+        std::vector <std::string> labels(1001);
+        std::vector <uint8_t> outputVec(1001);
+        TfLiteIntArray* dims= tflite::testing::IntArrayFromInts(dimArray);
+        TfLiteTensor tfTensor = tflite::testing::CreateQuantizedTensor(
+                outputVec.data(), dims, 1, 0, "test");
+        TfLiteTensor* outputTensor = &tfTensor;
+        std::vector <arm::app::ClassificationResult> resultVec;
+        arm::app::Classifier classifier;
+        REQUIRE(classifier.GetClassificationResults(outputTensor, resultVec, labels, 5));
+        REQUIRE(5 == resultVec.size());
+    }
+
+    SECTION("Get classification results")
+    {
+        const int dimArray[] = {1, 1001};
+        std::vector <std::string> labels(1001);
+        std::vector<uint8_t> outputVec(1001, static_cast<uint8_t>(5));
+        TfLiteIntArray* dims= tflite::testing::IntArrayFromInts(dimArray);
+        TfLiteTensor tfTensor = tflite::testing::CreateQuantizedTensor(
+                outputVec.data(), dims, 1, 0, "test");
+        TfLiteTensor* outputTensor = &tfTensor;
+
+        std::vector <arm::app::ClassificationResult> resultVec;
+
+        /* Set the top five results. */
+        std::vector<std::pair<uint32_t, uint8_t>> selectedResults {
+                {0, 8}, {20, 7}, {10, 7}, {15, 9}, {1000, 10}};
+
+        for (size_t i = 0; i < selectedResults.size(); ++i) {
+            outputVec[selectedResults[i].first] = selectedResults[i].second;
+        }
+
+        arm::app::Classifier classifier;
+        REQUIRE(classifier.GetClassificationResults(outputTensor, resultVec, labels, 5));
+        REQUIRE(5 == resultVec.size());
+
+        REQUIRE(resultVec[0].m_labelIdx == 1000);
+        REQUIRE(resultVec[1].m_labelIdx == 15);
+        REQUIRE(resultVec[2].m_labelIdx == 0);
+        REQUIRE(resultVec[3].m_labelIdx == 20);
+        REQUIRE(resultVec[4].m_labelIdx == 10);
+    }
+}
diff --git a/tests/common/ProfilerTests.cc b/tests/common/ProfilerTests.cc
new file mode 100644
index 0000000..caf492b
--- /dev/null
+++ b/tests/common/ProfilerTests.cc
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "Profiler.hpp"
+
+#include "AppContext.hpp"
+#include "TensorFlowLiteMicro.hpp"
+
+#include <catch.hpp>
+#include <iostream>
+
+
+TEST_CASE("Common: Test Profiler")
+{
+    hal_platform    platform;
+    data_acq_module data_acq {};
+    data_psn_module data_psn {};
+    platform_timer  timer {};
+
+    /* Initialise the HAL and platform. */
+    hal_init(&platform, &data_acq, &data_psn, &timer);
+    hal_platform_init(&platform);
+
+    /* An invalid profiler shouldn't be of much use. */
+    arm::app::Profiler profilerInvalid {nullptr, "test_invalid"};
+    REQUIRE(false == profilerInvalid.StartProfiling());
+    REQUIRE(false == profilerInvalid.StopProfiling());
+
+    arm::app::Profiler profilerValid{&platform, "test_valid"};
+    REQUIRE(true == profilerValid.StartProfiling());
+    REQUIRE(true == profilerValid.StopProfiling());
+
+    std::string strProfile = profilerValid.GetResultsAndReset();
+    REQUIRE(std::string::npos != strProfile.find("test_valid"));
+
+#if defined(CPU_PROFILE_ENABLED)
+    /* We should have milliseconds elapsed. */
+    REQUIRE(std::string::npos != strProfile.find("ms"));
+#endif /* defined(CPU_PROFILE_ENABLED) */
+
+    /* Abuse should fail: */
+    REQUIRE(false == profilerValid.StopProfiling());  /* We need to start it first. */
+    REQUIRE(true == profilerValid.StartProfiling());  /* Should be able to start it fine. */
+    REQUIRE(false == profilerValid.StartProfiling()); /* Can't restart it without resetting. */
+    profilerValid.Reset();                            /* Reset. */
+    REQUIRE(true == profilerValid.StartProfiling());  /* Can start it again now. */
+    REQUIRE(true == profilerValid.StopProfiling());   /* Can start it again now. */
+}
diff --git a/tests/common/SlidingWindowTests.cc b/tests/common/SlidingWindowTests.cc
new file mode 100644
index 0000000..bfdb5b7
--- /dev/null
+++ b/tests/common/SlidingWindowTests.cc
@@ -0,0 +1,266 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "AudioUtils.hpp"
+#include "catch.hpp"
+
+TEST_CASE("Common: Slide long data")
+{
+    std::vector<int> test{1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
+
+    SECTION("Fit the data")
+    {
+        auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 1, 1);
+
+        for (int i = 0 ; i < 10; ++i) {
+            REQUIRE(slider.HasNext());
+            REQUIRE(*slider.Next() == i + 1);
+        }
+
+        REQUIRE(!slider.HasNext());
+        REQUIRE(nullptr == slider.Next());
+    }
+
+    SECTION("Fit the data stride> window")
+    {
+        auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 2, 3);
+
+        REQUIRE(slider.HasNext());
+        REQUIRE(*slider.Next() == 1);
+
+        REQUIRE(slider.HasNext());
+        REQUIRE(*slider.Next() == 4);
+
+        REQUIRE(slider.HasNext());
+        REQUIRE(*slider.Next() == 7);
+
+        REQUIRE(!slider.HasNext());
+        REQUIRE(nullptr == slider.Next());
+    }
+
+    SECTION("Fit the data stride < window")
+    {
+        auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 5, 1);
+
+        for (int i = 0 ; i < 6; i++) {
+            REQUIRE(slider.HasNext());
+            REQUIRE(*slider.Next() == i + 1);
+        }
+
+        REQUIRE(!slider.HasNext());
+        REQUIRE(nullptr == slider.Next());
+    }
+}
+
+
+TEST_CASE("Common: Slide data size 1")
+{
+    std::vector<int> test{1};
+
+    SECTION("Fit the data")
+    {
+        auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 1, 1);
+
+        REQUIRE(slider.HasNext());
+        REQUIRE(*slider.Next() == 1);
+        REQUIRE(!slider.HasNext());
+        REQUIRE(nullptr == slider.Next());
+    }
+
+    SECTION("Does not Fit the data because of big window")
+    {
+        auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 2, 1);
+
+        REQUIRE(!slider.HasNext());
+        REQUIRE(nullptr == slider.Next());
+    }
+
+    SECTION("Does not Fit the data because of big stride")
+    {
+        auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 1, 2);
+
+        REQUIRE(slider.HasNext());
+        REQUIRE(*slider.Next() == 1);
+        REQUIRE(!slider.HasNext());
+        REQUIRE(nullptr == slider.Next());
+    }
+
+}
+
+
+TEST_CASE("Common: Slide reset")
+{
+    SECTION("current range")
+    {
+        std::vector<int> test{1};
+        auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 1, 1);
+        int *saved = slider.Next();
+        slider.Reset();
+
+        REQUIRE(slider.Next() == saved);
+    }
+
+    SECTION("new range")
+    {
+        std::vector<int> test{1};
+        std::vector<int> test2{100};
+        auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 1, 1);
+        slider.Next();
+        slider.Reset(test2.data());
+
+        REQUIRE(*slider.Next() == 100);
+    }
+}
+
+
+TEST_CASE("Common: Slide fast forward")
+{
+    std::vector<int> test{1, 2, 3, 4, 5};
+
+    auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 1, 1);
+    SECTION("at the beginning") {
+        slider.FastForward(3);
+
+        REQUIRE(slider.HasNext());
+        REQUIRE(*slider.Next() == 4);
+    }
+
+    SECTION("in the middle")
+    {
+        slider.Next();
+        slider.FastForward(3);
+
+        REQUIRE(slider.HasNext());
+        REQUIRE(*slider.Next() == 4);
+    }
+
+    SECTION("at the end")
+    {
+        while(slider.HasNext()) {
+            slider.Next();
+        }
+        slider.FastForward(3);
+
+        REQUIRE(slider.HasNext());
+        REQUIRE(*slider.Next() == 4);
+    }
+
+    SECTION("out of the range")
+    {
+        slider.FastForward(100);
+
+        REQUIRE(!slider.HasNext());
+        REQUIRE(slider.Next() == nullptr);
+    }
+}
+
+
+TEST_CASE("Common: Slide Index")
+{
+    std::vector<int> test{1, 2, 3, 4, 5};
+    auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 1, 1);
+    REQUIRE(slider.Index() == 0);
+    for (int i = 0; i < 5; i++) {
+        slider.Next();
+        REQUIRE(slider.Index() == i);
+    }
+}
+
+
+TEST_CASE("Common: Total strides") 
+{
+    std::vector<int> test{1, 2, 3, 4, 5};
+
+    SECTION("Element by element")
+    {
+        auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 1, 1);
+        REQUIRE(slider.TotalStrides() == 4 );
+    }
+
+    SECTION("Step through element")
+    {
+        auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 1, 2);
+        REQUIRE(slider.TotalStrides() == 2 );
+    }
+
+    SECTION("Window = data")
+    {
+        auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 5, 2);
+        REQUIRE(slider.TotalStrides() == 0 );
+    }
+
+    SECTION("Window > data")
+    {
+        auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 6, 2);
+        REQUIRE(slider.TotalStrides() == 0 );
+    }
+
+    SECTION("Window < data, not enough for the next stride")
+    {
+        auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 4, 2);
+        REQUIRE(slider.TotalStrides() == 0 );
+    }
+}
+
+
+TEST_CASE("Common: Next window data index")
+{
+    std::vector<int> test{1, 2, 3, 4, 5};
+
+    /* Check we get the correct index returned */
+    SECTION("Stride 1")
+    {
+        auto slider = arm::app::audio::ASRSlidingWindow<int>(test.data(), test.size(), 1, 1);
+        REQUIRE(slider.NextWindowStartIndex() == 0);
+        slider.Next();
+        REQUIRE(slider.NextWindowStartIndex() == 1);
+        slider.Next();
+        REQUIRE(slider.NextWindowStartIndex() == 2);
+        slider.Next();
+        REQUIRE(slider.NextWindowStartIndex() == 3);
+        slider.Next();
+        REQUIRE(slider.NextWindowStartIndex() == 4);
+        slider.Next();
+        REQUIRE(slider.NextWindowStartIndex() == 5);
+        slider.Next();
+        REQUIRE(slider.NextWindowStartIndex() == 5);
+    }
+
+    SECTION("Stride 2")
+    {
+        auto slider = arm::app::audio::ASRSlidingWindow<int>(test.data(), test.size(), 1, 2);
+        REQUIRE(slider.NextWindowStartIndex() == 0);
+        slider.Next();
+        REQUIRE(slider.NextWindowStartIndex() == 2);
+        REQUIRE(slider.NextWindowStartIndex() == 2);
+        slider.Next();
+        REQUIRE(slider.NextWindowStartIndex() == 4);
+    }
+
+    SECTION("Stride 3")
+    {
+        auto slider = arm::app::audio::ASRSlidingWindow<int>(test.data(), test.size(), 1, 3);
+        REQUIRE(slider.NextWindowStartIndex() == 0);
+        slider.Next();
+        REQUIRE(slider.NextWindowStartIndex() == 3);
+        REQUIRE(slider.NextWindowStartIndex() == 3);
+        slider.Next();
+        REQUIRE(slider.NextWindowStartIndex() == 6);
+        REQUIRE(!slider.HasNext());
+        REQUIRE(slider.Next() == nullptr);
+        REQUIRE(slider.NextWindowStartIndex() == 6);
+    }
+}