ajwong@chromium.org
3b5d7b8845
Review URL: http://codereview.chromium.org/92112 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@14401 0039d316-1c4b-4281-b951-d872f2087c98
78 linhas
2.4 KiB
C++
78 linhas
2.4 KiB
C++
// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
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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 <sstream>
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#include <string>
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#include "base/debug_util.h"
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#include "base/logging.h"
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#include "testing/gtest/include/gtest/gtest.h"
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TEST(StackTrace, OutputToStream) {
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StackTrace trace;
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// Dump the trace into a string.
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std::ostringstream os;
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trace.OutputToStream(&os);
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std::string backtrace_message = os.str();
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size_t frames_found = 0;
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trace.Addresses(&frames_found);
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if (frames_found == 0) {
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LOG(ERROR) << "No stack frames found. Skipping rest of test.";
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return;
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}
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// Check if the output has symbol initialization warning. If it does, fail.
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if (backtrace_message.find("Dumping unresolved backtrace") !=
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std::string::npos) {
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LOG(ERROR) << "Unable to resolve symbols. Skipping rest of test.";
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return;
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}
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#if 0
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//TODO(ajwong): Disabling checking of symbol resolution since it depends
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// on whether or not symbols are present, and there are too many
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// configurations to reliably ensure that symbols are findable.
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#if defined(OS_MACOSX)
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// Symbol resolution via the backtrace_symbol funciton does not work well
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// in OsX.
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// See this thread:
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//
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// http://lists.apple.com/archives/darwin-dev/2009/Mar/msg00111.html
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//
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// Just check instead that we find our way back to the "start" symbol
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// which should be the first symbol in the trace.
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//
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// TODO(port): Find a more reliable way to resolve symbols.
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// Expect to at least find main.
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EXPECT_TRUE(backtrace_message.find("start") != std::string::npos)
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<< "Expected to find start in backtrace:\n"
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<< backtrace_message;
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#else // defined(OS_MACOSX)
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// Expect to at least find main.
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EXPECT_TRUE(backtrace_message.find("main") != std::string::npos)
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<< "Expected to find main in backtrace:\n"
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<< backtrace_message;
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#if defined(OS_WIN)
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// MSVC doesn't allow the use of C99's __func__ within C++, so we fake it with
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// MSVC's __FUNCTION__ macro.
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#define __func__ __FUNCTION__
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#endif
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// Expect to find this function as well.
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// Note: This will fail if not linked with -rdynamic (aka -export_dynamic)
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EXPECT_TRUE(backtrace_message.find(__func__) != std::string::npos)
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<< "Expected to find " << __func__ << " in backtrace:\n"
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<< backtrace_message;
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#endif // define(OS_MACOSX)
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#endif
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}
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