1 files changed, 62 insertions, 0 deletions
diff --git a/src/armnn/test/InstrumentTests.cpp b/src/armnn/test/InstrumentTests.cpp
new file mode 100644
index 0000000000..a219b39b0d
--- /dev/null
+++ b/src/armnn/test/InstrumentTests.cpp
@@ -0,0 +1,62 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// See LICENSE file in the project root for full license information.
+//
+#include <boost/test/unit_test.hpp>
+
+#include "WallClockTimer.hpp"
+
+#include <chrono>
+#include <thread>
+
+using namespace armnn;
+
+BOOST_AUTO_TEST_SUITE(Instruments)
+
+BOOST_AUTO_TEST_CASE(WallClockTimerInMilliseconds)
+{
+    WallClockTimer wallClockTimer;
+
+    BOOST_CHECK_EQUAL(wallClockTimer.GetName(), "WallClockTimer");
+
+    // start the timer
+    wallClockTimer.Start();
+
+    // wait for 10 milliseconds
+    std::this_thread::sleep_for(std::chrono::milliseconds(10));
+
+   // stop the timer
+    wallClockTimer.Stop();
+
+    BOOST_CHECK_EQUAL(wallClockTimer.GetMeasurements().front().m_Name, WallClockTimer::WALL_CLOCK_TIME);
+
+    // check that WallClockTimer measurement should be >= 10 milliseconds
+    BOOST_CHECK_GE(wallClockTimer.GetMeasurements().front().m_Value, std::chrono::milliseconds(10).count());
+}
+
+BOOST_AUTO_TEST_CASE(WallClockTimerInNanoseconds)
+{
+    WallClockTimer wallClockTimer;
+
+    BOOST_CHECK_EQUAL(wallClockTimer.GetName(), "WallClockTimer");
+
+    // start the timer
+    wallClockTimer.Start();
+
+    // wait for 500 nanoseconds - 0.0005 milliseconds
+    std::this_thread::sleep_for(std::chrono::nanoseconds(500));
+
+    // stop the timer
+    wallClockTimer.Stop();
+
+    BOOST_CHECK_EQUAL(wallClockTimer.GetMeasurements().front().m_Name, WallClockTimer::WALL_CLOCK_TIME);
+
+    // delta is 0.0005 milliseconds
+    const auto delta =
+        std::chrono::duration_cast<std::chrono::duration<double, std::milli>>(std::chrono::nanoseconds(500));
+
+    // check that WallClockTimer measurement should be >= 0.0005 milliseconds
+    BOOST_CHECK_GE(wallClockTimer.GetMeasurements().front().m_Value, delta.count());
+}
+
+BOOST_AUTO_TEST_SUITE_END()