Initial commit

Change-Id: I4bf1707bd3dfeadf2c17b0a7daff372b1925ebbd

unit_tests/helpers/base_object_tests_mt.cpp

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+/*
+ * Copyright (c) 2017, Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "runtime/command_queue/command_queue.h"
+#include "runtime/platform/platform.h"
+#include "runtime/accelerators/intel_accelerator.h"
+#include "unit_tests/fixtures/memory_management_fixture.h"
+
+namespace OCLRT {
+
+template <typename TypeParam>
+struct BaseObjectTestsMt : public MemoryManagementFixture,
+                           public ::testing::Test {
+    void SetUp() override {
+        MemoryManagementFixture::SetUp();
+    }
+
+    void TearDown() override {
+        MemoryManagementFixture::TearDown();
+    }
+
+    static void takeOwnerFailThreadFunc(TypeParam *obj) {
+        auto ret = obj->takeOwnership(false);
+        EXPECT_EQ(false, ret);
+    }
+    static void takeOwnerWaitThreadFunc(TypeParam *obj) {
+        auto ret = obj->takeOwnership(true);
+        EXPECT_EQ(true, ret);
+        obj->releaseOwnership();
+    }
+};
+
+typedef ::testing::Types<
+    Platform,
+    IntelAccelerator,
+    CommandQueue>
+    BaseObjectTypes;
+
+TYPED_TEST_CASE(BaseObjectTestsMt, BaseObjectTypes);
+
+// "typedef" BaseObjectTestsMt template to use with different TypeParams for testing
+template <typename T>
+using BaseObjectWithDefaultCtorTests = BaseObjectTestsMt<T>;
+
+TYPED_TEST(BaseObjectTestsMt, takeOwner) {
+    TypeParam *object = new TypeParam;
+    bool ret = object->takeOwnership(false);
+    EXPECT_EQ(true, ret);
+
+    std::thread t1(BaseObjectTestsMt<TypeParam>::takeOwnerFailThreadFunc, object);
+    t1.join();
+
+    EXPECT_EQ(0U, object->getCond().peekNumWaiters());
+
+    std::thread t2(BaseObjectTestsMt<TypeParam>::takeOwnerWaitThreadFunc, object);
+    //wait on condition var counter, so current threads know t2 thread waits on this variable
+    while (object->getCond().peekNumWaiters() == 0U) {
+        std::this_thread::yield();
+    }
+
+    //t2 thread waits on conditional varialbe within takeOwnership
+    EXPECT_EQ(1U, object->getCond().peekNumWaiters());
+    std::this_thread::yield();
+
+    //current thread releases ownership, so t2 can take it
+    object->releaseOwnership();
+    t2.join();
+
+    object->release();
+}
+}