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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/platform/scheduler/common/tracing_helper.h"
#include "base/test/task_environment.h"
#include "base/test/test_trace_processor.h"
#include "base/test/trace_test_utils.h"
#include "build/build_config.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace blink {
namespace scheduler {
namespace {
perfetto::StaticString SignOfInt(int value) {
if (value > 0)
return "positive";
if (value < 0)
return "negative";
return nullptr;
}
} // namespace
// TODO(kraynov): TraceableCounter tests.
// TODO(crbug.com/408328552): Re-enable this test
TEST(TracingHelperTest, DISABLED_TraceableState) {
TraceableVariableController controller;
TraceableState<int, "renderer.scheduler"> state(
0, perfetto::NamedTrack("State"), &controller, SignOfInt);
base::test::TracingEnvironment tracing_environment;
base::test::TaskEnvironment task_environment;
base::test::TestTraceProcessor test_trace_processor;
test_trace_processor.StartTrace("renderer.scheduler");
controller.OnTraceLogEnabled();
state = 1;
state = 0;
state = -1;
auto status = test_trace_processor.StopAndParseTrace();
ASSERT_TRUE(status.ok()) << status.message();
auto result = test_trace_processor.RunQuery(R"(
SELECT slice.name
FROM track left join slice on track.id = slice.track_id
WHERE track.name = 'State'
ORDER BY ts
)");
ASSERT_TRUE(result.has_value()) << result.error();
EXPECT_THAT(result.value(),
::testing::ElementsAre(std::vector<std::string>{"name"},
std::vector<std::string>{"positive"},
std::vector<std::string>{"negative"}));
}
TEST(TracingHelperTest, TraceableStateOperators) {
TraceableVariableController controller;
TraceableState<int, TRACE_DISABLED_BY_DEFAULT("renderer.scheduler.debug")> x(
-1, perfetto::NamedTrack("X"), &controller, SignOfInt);
TraceableState<int, TRACE_DISABLED_BY_DEFAULT("renderer.scheduler.debug")> y(
1, perfetto::NamedTrack("Y"), &controller, SignOfInt);
EXPECT_EQ(0, x + y);
EXPECT_FALSE(x == y);
EXPECT_TRUE(x != y);
x = 1;
EXPECT_EQ(0, y - x);
EXPECT_EQ(2, x + y);
EXPECT_EQ(x, y);
EXPECT_FALSE(x != y);
EXPECT_NE(x + y, 3);
EXPECT_EQ(2 - y + 1 + x, 3);
x = 3;
y = 2;
int z = x = y;
EXPECT_EQ(2, z);
}
} // namespace scheduler
} // namespace blink
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