// Copyright 2015 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 "base/metrics/histogram_macros.h" #include "base/time/time.h" #include "testing/gtest/include/gtest/gtest.h" namespace base { TEST(ScopedHistogramTimer, ThreeTimersOneScope) { SCOPED_UMA_HISTOGRAM_TIMER_MICROS("TestShortTimer0"); SCOPED_UMA_HISTOGRAM_TIMER_MICROS("TestShortTimer1"); SCOPED_UMA_HISTOGRAM_TIMER("TestTimer0"); SCOPED_UMA_HISTOGRAM_TIMER("TestTimer1"); SCOPED_UMA_HISTOGRAM_LONG_TIMER("TestLongTimer0"); SCOPED_UMA_HISTOGRAM_LONG_TIMER("TestLongTimer1"); } // Compile tests for UMA_HISTOGRAM_ENUMERATION with the three different types it // accepts: // - integral types // - unscoped enums // - scoped enums TEST(HistogramMacro, IntegralPseudoEnumeration) { UMA_HISTOGRAM_ENUMERATION("Test.FauxEnumeration", 1, 1000); } TEST(HistogramMacro, UnscopedEnumeration) { enum TestEnum : char { FIRST_VALUE, SECOND_VALUE, THIRD_VALUE, MAX_ENTRIES, }; UMA_HISTOGRAM_ENUMERATION("Test.UnscopedEnumeration", SECOND_VALUE, MAX_ENTRIES); } TEST(HistogramMacro, ScopedEnumeration) { enum class TestEnum { FIRST_VALUE, SECOND_VALUE, THIRD_VALUE, kMaxValue = THIRD_VALUE, }; UMA_HISTOGRAM_ENUMERATION("Test.ScopedEnumeration", TestEnum::FIRST_VALUE); enum class TestEnum2 { FIRST_VALUE, SECOND_VALUE, THIRD_VALUE, MAX_ENTRIES, }; UMA_HISTOGRAM_ENUMERATION("Test.ScopedEnumeration2", TestEnum2::SECOND_VALUE, TestEnum2::MAX_ENTRIES); } // Compile tests for UMA_HISTOGRAM_ENUMERATION when the value type is: // - a const reference to an enum // - a non-const reference to an enum TEST(HistogramMacro, EnumerationConstRef) { enum class TestEnum { kValue, kMaxValue = kValue }; const TestEnum& value_ref = TestEnum::kValue; UMA_HISTOGRAM_ENUMERATION("Test.ScopedEnumeration3", value_ref); } TEST(HistogramMacro, EnumerationNonConstRef) { enum class TestEnum { kValue, kMaxValue = kValue }; TestEnum value = TestEnum::kValue; TestEnum& value_ref = value; UMA_HISTOGRAM_ENUMERATION("Test.ScopedEnumeration4", value_ref); } } // namespace base