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- // Copyright 2019 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/location.h"
- #include "base/debug/debugging_buildflags.h"
- #include "base/trace_event/base_tracing.h"
- #include "testing/gmock/include/gmock/gmock.h"
- #include "testing/gtest/include/gtest/gtest.h"
- #if BUILDFLAG(ENABLE_BASE_TRACING)
- #include "third_party/perfetto/include/perfetto/test/traced_value_test_support.h" // no-presubmit-check
- #endif // BUILDFLAG(ENABLE_BASE_TRACING)
- namespace base {
- namespace {
- // This is a typical use: taking Location::Current as a default parameter.
- // So even though this looks contrived, it confirms that such usage works as
- // expected.
- Location WhereAmI(const Location& location = Location::Current()) {
- return location;
- }
- } // namespace
- TEST(LocationTest, CurrentYieldsCorrectValue) {
- [[maybe_unused]] int previous_line = __LINE__;
- Location here = WhereAmI();
- EXPECT_NE(here.program_counter(), WhereAmI().program_counter());
- #if SUPPORTS_LOCATION_BUILTINS
- EXPECT_THAT(here.file_name(), ::testing::EndsWith("location_unittest.cc"));
- #if BUILDFLAG(ENABLE_LOCATION_SOURCE)
- EXPECT_EQ(here.line_number(), previous_line + 1);
- EXPECT_STREQ("TestBody", here.function_name());
- #endif
- #elif defined(OFFICIAL_BUILD)
- #error Location builtins must be supported in official builds.
- #elif BUILDFLAG(FROM_HERE_USES_LOCATION_BUILTINS)
- #error FROM_HERE requires location builtins to be supported.
- #endif
- }
- #if BUILDFLAG(ENABLE_BASE_TRACING)
- TEST(LocationTest, TracingSupport) {
- EXPECT_EQ(perfetto::TracedValueToString(
- Location("func", "file", 42, WhereAmI().program_counter())),
- "{function_name:func,file_name:file,line_number:42}");
- }
- #endif // BUILDFLAG(ENABLE_BASE_TRACING)
- } // namespace base
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