149 lines
6.6 KiB
C++
149 lines
6.6 KiB
C++
// Copyright 2021 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/debug/dump_without_crashing.h"
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#include "base/hash/hash.h"
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#include "base/location.h"
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#include "base/test/metrics/histogram_tester.h"
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#include "base/test/scoped_mock_clock_override.h"
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#include "build/build_config.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace base {
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namespace debug {
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class DumpWithoutCrashingTest : public testing::Test {
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public:
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static void DummyDumpWithoutCrashing() { number_of_dump_calls_++; }
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static int number_of_dump_calls() { return number_of_dump_calls_; }
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protected:
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void SetUp() override {
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SetDumpWithoutCrashingFunction(
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&DumpWithoutCrashingTest::DummyDumpWithoutCrashing);
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number_of_dump_calls_ = 0;
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}
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void TearDown() override {
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SetDumpWithoutCrashingFunction(nullptr);
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ClearMapsForTesting();
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}
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// Set override.
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ScopedMockClockOverride clock_;
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const base::HistogramTester histogram_tester_;
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const base::Location location1_ = FROM_HERE;
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const base::Location location2_ = FROM_HERE;
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const size_t unique_identifier1_ =
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base::FastHash("DumpWithoutCrashingFirstTest");
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const size_t unique_identifier2_ =
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base::FastHash("DumpWithoutCrashingSecondTest");
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private:
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static int number_of_dump_calls_;
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};
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int DumpWithoutCrashingTest::number_of_dump_calls_ = 0;
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TEST_F(DumpWithoutCrashingTest, DumpWithoutCrashingWithLocation) {
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EXPECT_EQ(0, DumpWithoutCrashingTest::number_of_dump_calls());
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histogram_tester_.ExpectBucketCount("Stability.DumpWithoutCrashingStatus",
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DumpWithoutCrashingStatus::kThrottled, 0);
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histogram_tester_.ExpectBucketCount("Stability.DumpWithoutCrashingStatus",
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DumpWithoutCrashingStatus::kUploaded, 0);
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// The first call to DumpWithoutCrashing will always capture the dump and
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// will return true
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EXPECT_TRUE(DumpWithoutCrashing(location1_, base::Seconds(1)));
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EXPECT_EQ(1, DumpWithoutCrashingTest::number_of_dump_calls());
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histogram_tester_.ExpectBucketCount("Stability.DumpWithoutCrashingStatus",
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DumpWithoutCrashingStatus::kThrottled, 0);
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histogram_tester_.ExpectBucketCount("Stability.DumpWithoutCrashingStatus",
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DumpWithoutCrashingStatus::kUploaded, 1);
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// If DumpWithoutCrashing is called within 1 second, expected result is false.
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EXPECT_FALSE(DumpWithoutCrashing(location1_, base::Seconds(1)));
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EXPECT_EQ(1, DumpWithoutCrashingTest::number_of_dump_calls());
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// For testing, the time for capturing dump again is 1 second and if the
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// function is called after 1 second, it will return true.
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clock_.Advance(Seconds(2));
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EXPECT_TRUE(DumpWithoutCrashing(location1_, base::Seconds(1)));
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EXPECT_EQ(2, DumpWithoutCrashingTest::number_of_dump_calls());
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histogram_tester_.ExpectBucketCount("Stability.DumpWithoutCrashingStatus",
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DumpWithoutCrashingStatus::kThrottled, 1);
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histogram_tester_.ExpectBucketCount("Stability.DumpWithoutCrashingStatus",
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DumpWithoutCrashingStatus::kUploaded, 2);
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EXPECT_TRUE(DumpWithoutCrashing(location2_, base::Seconds(1)));
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EXPECT_EQ(3, DumpWithoutCrashingTest::number_of_dump_calls());
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EXPECT_FALSE(DumpWithoutCrashing(location2_, base::Seconds(1)));
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EXPECT_EQ(3, DumpWithoutCrashingTest::number_of_dump_calls());
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histogram_tester_.ExpectBucketCount("Stability.DumpWithoutCrashingStatus",
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DumpWithoutCrashingStatus::kThrottled, 2);
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histogram_tester_.ExpectBucketCount("Stability.DumpWithoutCrashingStatus",
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DumpWithoutCrashingStatus::kUploaded, 3);
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}
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TEST_F(DumpWithoutCrashingTest, DumpWithoutCrashingWithLocationAndUniqueId) {
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EXPECT_EQ(0, DumpWithoutCrashingTest::number_of_dump_calls());
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histogram_tester_.ExpectBucketCount("Stability.DumpWithoutCrashingStatus",
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DumpWithoutCrashingStatus::kThrottled, 0);
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histogram_tester_.ExpectBucketCount("Stability.DumpWithoutCrashingStatus",
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DumpWithoutCrashingStatus::kUploaded, 0);
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// Test the variant of DumpWithoutCrashingWithUniqueId where the function
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// takes a location and unique id.
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EXPECT_TRUE(DumpWithoutCrashingWithUniqueId(unique_identifier1_, location1_,
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base::Seconds(1)));
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EXPECT_EQ(1, DumpWithoutCrashingTest::number_of_dump_calls());
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histogram_tester_.ExpectBucketCount("Stability.DumpWithoutCrashingStatus",
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DumpWithoutCrashingStatus::kThrottled, 0);
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histogram_tester_.ExpectBucketCount("Stability.DumpWithoutCrashingStatus",
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DumpWithoutCrashingStatus::kUploaded, 1);
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// If DumpWithoutCrashingWithUniqueId called within 1 second, expected result
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// is false.
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EXPECT_FALSE(DumpWithoutCrashingWithUniqueId(unique_identifier1_, location1_,
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base::Seconds(1)));
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EXPECT_EQ(1, DumpWithoutCrashingTest::number_of_dump_calls());
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// For testing, the time for capturing dump again is 1 second and if the
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// function is called after 1 second, it will return true.
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clock_.Advance(Seconds(2));
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EXPECT_TRUE(DumpWithoutCrashingWithUniqueId(unique_identifier1_, location1_,
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base::Seconds(1)));
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EXPECT_EQ(2, DumpWithoutCrashingTest::number_of_dump_calls());
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histogram_tester_.ExpectBucketCount("Stability.DumpWithoutCrashingStatus",
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DumpWithoutCrashingStatus::kThrottled, 1);
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histogram_tester_.ExpectBucketCount("Stability.DumpWithoutCrashingStatus",
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DumpWithoutCrashingStatus::kUploaded, 2);
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EXPECT_TRUE(DumpWithoutCrashingWithUniqueId(unique_identifier2_, location2_,
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base::Seconds(1)));
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EXPECT_EQ(3, DumpWithoutCrashingTest::number_of_dump_calls());
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EXPECT_FALSE(DumpWithoutCrashingWithUniqueId(unique_identifier2_, location2_,
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base::Seconds(1)));
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EXPECT_EQ(3, DumpWithoutCrashingTest::number_of_dump_calls());
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histogram_tester_.ExpectBucketCount("Stability.DumpWithoutCrashingStatus",
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DumpWithoutCrashingStatus::kThrottled, 2);
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histogram_tester_.ExpectBucketCount("Stability.DumpWithoutCrashingStatus",
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DumpWithoutCrashingStatus::kUploaded, 3);
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}
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} // namespace debug
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} // namespace base
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