| // Copyright 2017 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 "third_party/blink/renderer/platform/wtf/scoped_logger.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/renderer/platform/wtf/text/string_builder.h" |
| |
| namespace WTF { |
| |
| #if DCHECK_IS_ON() |
| static const int kPrinterBufferSize = 256; |
| static char g_buffer[kPrinterBufferSize]; |
| static StringBuilder g_builder; |
| |
| static void Vprint(const char* format, va_list args) { |
| int written = vsnprintf(g_buffer, kPrinterBufferSize, format, args); |
| if (written > 0 && written < kPrinterBufferSize) |
| g_builder.Append(g_buffer); |
| } |
| |
| TEST(ScopedLoggerTest, ScopedLogger) { |
| ScopedLogger::SetPrintFuncForTests(Vprint); |
| { |
| WTF_CREATE_SCOPED_LOGGER(a, "a1"); |
| { |
| WTF_CREATE_SCOPED_LOGGER_IF(b, false, "b1"); |
| { |
| WTF_CREATE_SCOPED_LOGGER(c, "c"); |
| { WTF_CREATE_SCOPED_LOGGER(d, "d %d %s", -1, "hello"); } |
| } |
| WTF_APPEND_SCOPED_LOGGER(b, "b2"); |
| } |
| WTF_APPEND_SCOPED_LOGGER(a, "a2 %.1f", 0.5); |
| } |
| |
| EXPECT_EQ( |
| "( a1\n" |
| " ( c\n" |
| " ( d -1 hello )\n" |
| " )\n" |
| " a2 0.5\n" |
| ")\n", |
| g_builder.ToString()); |
| } |
| #endif // DCHECK_IS_ON() |
| |
| } // namespace WTF |