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// Copyright 2008, Google Inc.
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// All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Author: wan@google.com (Zhanyong Wan)
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#include "gmock/gmock.h"
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#include "gmock/internal/gmock-port.h"
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// TODO(wan@google.com): support using environment variables to
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// control the flag values, like what Google Test does.
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GMOCK_DEFINE_bool_(catch_leaked_mocks, true,
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"true iff Google Mock should report leaked mock objects "
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GMOCK_DEFINE_string_(verbose, internal::kWarningVerbosity,
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"Controls how verbose Google Mock's output is."
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" info - prints all messages.\n"
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" warning - prints warnings and errors.\n"
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" error - prints errors only.");
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// Parses a string as a command line flag. The string should have the
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// format "--gmock_flag=value". When def_optional is true, the
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// "=value" part can be omitted.
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// Returns the value of the flag, or NULL if the parsing failed.
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static const char* ParseGoogleMockFlagValue(const char* str,
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// str and flag must not be NULL.
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if (str == NULL || flag == NULL) return NULL;
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// The flag must start with "--gmock_".
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const std::string flag_str = std::string("--gmock_") + flag;
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const size_t flag_len = flag_str.length();
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if (strncmp(str, flag_str.c_str(), flag_len) != 0) return NULL;
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// Skips the flag name.
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const char* flag_end = str + flag_len;
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// When def_optional is true, it's OK to not have a "=value" part.
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if (def_optional && (flag_end[0] == '\0')) {
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// If def_optional is true and there are more characters after the
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// flag name, or if def_optional is false, there must be a '=' after
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if (flag_end[0] != '=') return NULL;
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// Returns the string after "=".
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// Parses a string for a Google Mock bool flag, in the form of
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// "--gmock_flag=value".
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// On success, stores the value of the flag in *value, and returns
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// true. On failure, returns false without changing *value.
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static bool ParseGoogleMockBoolFlag(const char* str, const char* flag,
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// Gets the value of the flag as a string.
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const char* const value_str = ParseGoogleMockFlagValue(str, flag, true);
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// Aborts if the parsing failed.
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if (value_str == NULL) return false;
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// Converts the string value to a bool.
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*value = !(*value_str == '0' || *value_str == 'f' || *value_str == 'F');
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// Parses a string for a Google Mock string flag, in the form of
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// "--gmock_flag=value".
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// On success, stores the value of the flag in *value, and returns
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// true. On failure, returns false without changing *value.
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static bool ParseGoogleMockStringFlag(const char* str, const char* flag,
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std::string* value) {
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// Gets the value of the flag as a string.
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const char* const value_str = ParseGoogleMockFlagValue(str, flag, false);
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// Aborts if the parsing failed.
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if (value_str == NULL) return false;
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// Sets *value to the value of the flag.
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// The internal implementation of InitGoogleMock().
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// The type parameter CharType can be instantiated to either char or
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template <typename CharType>
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void InitGoogleMockImpl(int* argc, CharType** argv) {
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// Makes sure Google Test is initialized. InitGoogleTest() is
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// idempotent, so it's fine if the user has already called it.
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InitGoogleTest(argc, argv);
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if (*argc <= 0) return;
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for (int i = 1; i != *argc; i++) {
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const std::string arg_string = StreamableToString(argv[i]);
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const char* const arg = arg_string.c_str();
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// Do we see a Google Mock flag?
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if (ParseGoogleMockBoolFlag(arg, "catch_leaked_mocks",
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&GMOCK_FLAG(catch_leaked_mocks)) ||
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ParseGoogleMockStringFlag(arg, "verbose", &GMOCK_FLAG(verbose))) {
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// Yes. Shift the remainder of the argv list left by one. Note
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// that argv has (*argc + 1) elements, the last one always being
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// NULL. The following loop moves the trailing NULL element as
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for (int j = i; j != *argc; j++) {
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argv[j] = argv[j + 1];
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// Decrements the argument count.
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// We also need to decrement the iterator as we just removed
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} // namespace internal
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// Initializes Google Mock. This must be called before running the
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// tests. In particular, it parses a command line for the flags that
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// Google Mock recognizes. Whenever a Google Mock flag is seen, it is
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// removed from argv, and *argc is decremented.
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// No value is returned. Instead, the Google Mock flag variables are
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// Since Google Test is needed for Google Mock to work, this function
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// also initializes Google Test and parses its flags, if that hasn't
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GTEST_API_ void InitGoogleMock(int* argc, char** argv) {
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internal::InitGoogleMockImpl(argc, argv);
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// This overloaded version can be used in Windows programs compiled in
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GTEST_API_ void InitGoogleMock(int* argc, wchar_t** argv) {
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internal::InitGoogleMockImpl(argc, argv);
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} // namespace testing
added
removed
3rd_party/gmock/src/gmock.cc
