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Change-Id: I4bf1707bd3dfeadf2c17b0a7daff372b1925ebbd

unit_tests/event/event_callbacks_tests.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/event/async_events_handler.h"
+#include "runtime/event/user_event.h"
+#include "runtime/platform/platform.h"
+#include "unit_tests/fixtures/device_fixture.h"
+#include "unit_tests/mocks/mock_command_queue.h"
+#include "unit_tests/mocks/mock_context.h"
+#include "unit_tests/mocks/mock_event.h"
+
+#include "test.h"
+
+#include <memory>
+
+using namespace OCLRT;
+
+struct CallbackData {
+    static void CL_CALLBACK callback(cl_event event, cl_int status, void *userData) {
+        uint32_t *nestLevel = (uint32_t *)userData;
+
+        if (*nestLevel < 4) {
+            (*nestLevel)++;
+            clSetEventCallback(event, CL_COMPLETE, CallbackData::callback, userData);
+        }
+    }
+};
+
+TEST(EventCallbackTest, NestedCallbacksAreCalledForUserEvent) {
+
+    MockEvent<UserEvent> event(nullptr);
+    uint32_t nestLevel = 0;
+
+    event.addCallback(CallbackData::callback, CL_COMPLETE, &nestLevel);
+    event.setStatus(CL_COMPLETE);
+    EXPECT_EQ(4u, nestLevel);
+}
+
+TEST(EventCallbackTest, NestedCallbacksAreCalledForEvent) {
+    std::unique_ptr<Device> device(DeviceHelper<>::create());
+    MockContext context;
+    MockCommandQueue queue(&context, device.get(), nullptr);
+    MockEvent<Event> event(&queue, CL_COMMAND_MARKER, 0, 0);
+    uint32_t nestLevel = 0;
+
+    event.addCallback(CallbackData::callback, CL_COMPLETE, &nestLevel);
+    event.setStatus(CL_COMPLETE);
+
+    platform()->getAsyncEventsHandler()->closeThread();
+
+    EXPECT_EQ(4u, nestLevel);
+}