Fixed not-unique event 'id' in TRACE_EVENT from GLARBTimerTrace

gpu/command_buffer/service/gpu_tracer_unittest.cc

Index: gpu/command_buffer/service/gpu_tracer_unittest.cc
diff --git a/gpu/command_buffer/service/gpu_tracer_unittest.cc b/gpu/command_buffer/service/gpu_tracer_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3506c54dcddb2563f7cbbdc2e2eda56365576ff1
--- /dev/null
+++ b/gpu/command_buffer/service/gpu_tracer_unittest.cc
@@ -0,0 +1,211 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <map>
+#include <set>
+
+#include "gpu/command_buffer/service/gpu_tracer.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gl/gl_mock.h"
+
+namespace gpu {
+namespace gles2 {
+
+using ::gfx::MockGLInterface;
+using ::testing::InvokeWithoutArgs;
+using ::testing::Return;
+using ::testing::ReturnRef;
+using ::testing::ReturnPointee;
+using ::testing::NotNull;
+using ::testing::ElementsAreArray;
+using ::testing::ElementsAre;
+using ::testing::SetArrayArgument;
+using ::testing::AtLeast;
+using ::testing::SetArgPointee;
+using ::testing::Pointee;
+using ::testing::Unused;
+using ::testing::Invoke;
+using ::testing::_;
+
+class MockOutputter : public Outputter {
+ public:
+  MockOutputter() {}
+  MOCK_METHOD3(Trace,
+               void(const std::string& name, int64 start_time, int64 end_time));
+
+ protected:
+  ~MockOutputter() {}
+};
+
+class GlFakeQueries {
+ public:
+  GlFakeQueries() {}
+
+  void Reset() {
+    current_time_ = 0;
+    next_query_id_ = 23;
+    alloced_queries_.clear();
+    query_timestamp_.clear();
+  }
+
+  void SetCurrentGLTime(GLint64 current_time) { current_time_ = current_time; }
+
+  void GenQueries(GLsizei n, GLuint* ids) {
+    for (GLsizei i = 0; i < n; i++) {
+      ids[i] = next_query_id_++;
+      alloced_queries_.insert(ids[i]);
+    }
+  }
+
+  void DeleteQueries(GLsizei n, const GLuint* ids) {
+    for (GLsizei i = 0; i < n; i++) {
+      alloced_queries_.erase(ids[i]);
+      query_timestamp_.erase(ids[i]);
+    }
+  }
+
+  void GetQueryObjectiv(GLuint id, GLenum pname, GLint* params) {
+    switch (pname) {
+      case GL_QUERY_RESULT_AVAILABLE: {
+        std::map<GLuint, GLint64>::iterator it = query_timestamp_.find(id);
+        if (it != query_timestamp_.end() && it->second <= current_time_)
+          *params = 1;
+        else
+          *params = 0;
+        break;
+      }
+      default:
+        ASSERT_TRUE(false);
+    }
+  }
+
+  void QueryCounter(GLuint id, GLenum target) {
+    switch (target) {
+      case GL_TIMESTAMP:
+        ASSERT_TRUE(alloced_queries_.find(id) != alloced_queries_.end());
+        query_timestamp_[id] = current_time_;
+        break;
+      default:
+        ASSERT_TRUE(false);
+    }
+  }
+
+  void GetQueryObjectui64v(GLuint id, GLenum pname, GLuint64* params) {
+    switch (pname) {
+      case GL_QUERY_RESULT:
+        ASSERT_TRUE(query_timestamp_.find(id) != query_timestamp_.end());
+        *params = query_timestamp_.find(id)->second;
+        break;
+      default:
+        ASSERT_TRUE(false);
+    }
+  }
+
+ protected:
+  GLint64 current_time_;
+  GLuint next_query_id_;
+  std::set<GLuint> alloced_queries_;
+  std::map<GLuint, GLint64> query_timestamp_;
+};
+
+class GpuTracerTest : public testing::Test {
+ public:
+  GpuTracerTest() {}
+
+  ///////////////////////////////////////////////////////////////////////////
+
+ protected:
+  virtual void SetUp() {
+    gl_.reset(new ::testing::StrictMock< ::gfx::MockGLInterface>());
+    ::gfx::GLInterface::SetGLInterface(gl_.get());
+    gl_fake_queries_.Reset();
+  }
+
+  virtual void TearDown() {
+    ::gfx::GLInterface::SetGLInterface(NULL);
+    gl_.reset();
+    gl_fake_queries_.Reset();
+  }
+
+  void SetupTimerQueryMocks() {
+    // Delegate query APIs used by GLARBTimerTrace to a GlFakeQueries
+    EXPECT_CALL(*gl_, GenQueries(_, NotNull())).Times(AtLeast(1)).WillOnce(
+        Invoke(&gl_fake_queries_, &GlFakeQueries::GenQueries));
+
+    EXPECT_CALL(*gl_, GetQueryObjectiv(_, GL_QUERY_RESULT_AVAILABLE, NotNull()))
+        .Times(AtLeast(2))
+        .WillRepeatedly(
+             Invoke(&gl_fake_queries_, &GlFakeQueries::GetQueryObjectiv));
+
+    EXPECT_CALL(*gl_, QueryCounter(_, GL_TIMESTAMP))
+        .Times(AtLeast(2))
+        .WillRepeatedly(
+             Invoke(&gl_fake_queries_, &GlFakeQueries::QueryCounter));
+
+    EXPECT_CALL(*gl_, GetQueryObjectui64v(_, GL_QUERY_RESULT, NotNull()))
+        .Times(AtLeast(2))
+        .WillRepeatedly(
+             Invoke(&gl_fake_queries_, &GlFakeQueries::GetQueryObjectui64v));
+
+    EXPECT_CALL(*gl_, DeleteQueries(2, NotNull()))
+        .Times(AtLeast(1))
+        .WillRepeatedly(
+             Invoke(&gl_fake_queries_, &GlFakeQueries::DeleteQueries));
+  }
+
+  scoped_ptr< ::testing::StrictMock< ::gfx::MockGLInterface> > gl_;
+  GlFakeQueries gl_fake_queries_;
+};
+
+TEST_F(GpuTracerTest, GLARBTimerTrace) {
+  // Test basic timer query functionality
+  {
+    MockOutputter* outputter = new MockOutputter();
+    scoped_refptr<Outputter> outputter_ref = outputter;
+
+    SetupTimerQueryMocks();
+
+    // Expected results
+    const std::string trace_name("trace_test");
+    const int64 offset_time = 3231;
+    const GLint64 start_timestamp = 7 * base::Time::kNanosecondsPerMicrosecond;
+    const GLint64 end_timestamp = 32 * base::Time::kNanosecondsPerMicrosecond;
+    const int64 expect_start_time =
+        (start_timestamp / base::Time::kNanosecondsPerMicrosecond) +
+        offset_time;
+    const int64 expect_end_time =
+        (end_timestamp / base::Time::kNanosecondsPerMicrosecond) + offset_time;
+
+    // Expected Outputter::Trace call
+    EXPECT_CALL(*outputter,
+                Trace(trace_name, expect_start_time, expect_end_time));
+
+    scoped_refptr<GLARBTimerTrace> trace =
+        new GLARBTimerTrace(outputter_ref, trace_name, offset_time);
+
+    gl_fake_queries_.SetCurrentGLTime(start_timestamp);
+    trace->Start();
+
+    // Shouldn't be available before End() call
+    gl_fake_queries_.SetCurrentGLTime(end_timestamp);
+    EXPECT_FALSE(trace->IsAvailable());
+
+    trace->End();
+
+    // Shouldn't be available until the queries complete
+    gl_fake_queries_.SetCurrentGLTime(end_timestamp -
+                                      base::Time::kNanosecondsPerMicrosecond);
+    EXPECT_FALSE(trace->IsAvailable());
+
+    // Now it should be available
+    gl_fake_queries_.SetCurrentGLTime(end_timestamp);
+    EXPECT_TRUE(trace->IsAvailable());
+
+    // Proces should output expected Trace results to MockOutputter
+    trace->Process();
+  }
+}
+
+}  // namespace gles2
+}  // namespace gpu