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Enables String to contain NUL (by Zhanyong Wan); Adds scons scripts (by Vlad Losev).

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This commit is contained in:
zhanyong.wan 2009-09-01 18:53:56 +00:00
parent cb2b1640b2
commit 56a2e686e9
8 changed files with 604 additions and 140 deletions
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157
include/gtest/internal/gtest-string.h
View File

@ -51,6 +51,22 @@
namespace testing {
namespace internal {
// Holds data in a String object. We need this class in order to put
// String's data members on the heap instead of on the stack.
// Otherwise tests using many assertions (and thus Strings) in one
// function may need too much stack frame space to compile.
class StringData {
StringData() : c_str_(NULL), length_(0) {}
~StringData() { delete[] c_str_; }
private:
friend class String;
const char* c_str_;
size_t length_; // Length of the string (excluding the terminating
// '\0' character).
};
// String - a UTF-8 string class.
//
// We cannot use std::string as Microsoft's STL implementation in
@ -80,19 +96,6 @@ class String {
public:
// Static utility methods
// Returns the input if it's not NULL, otherwise returns "(null)".
// This function serves two purposes:
//
// 1. ShowCString(NULL) has type 'const char *', instead of the
// type of NULL (which is int).
//
// 2. In MSVC, streaming a null char pointer to StrStream generates
// an access violation, so we need to convert NULL to "(null)"
// before streaming it.
static inline const char* ShowCString(const char* c_str) {
return c_str ? c_str : "(null)";
}
// Returns the input enclosed in double quotes if it's not NULL;
// otherwise returns "(null)". For example, "\"Hello\"" is returned
// for input "Hello".
@ -199,27 +202,36 @@ class String {
// C'tors
// The default c'tor constructs a NULL string.
String() : c_str_(NULL) {}
// The default c'tor constructs a NULL string, which is represented
// by data_ being NULL.
String() : data_(NULL) {}
// Constructs a String by cloning a 0-terminated C string.
String(const char* c_str) : c_str_(NULL) { // NOLINT
*this = c_str;
String(const char* c_str) { // NOLINT
if (c_str == NULL) {
data_ = NULL;
} else {
ConstructNonNull(c_str, strlen(c_str));
}
}
// Constructs a String by copying a given number of chars from a
// buffer. E.g. String("hello", 3) will create the string "hel".
String(const char* buffer, size_t len);
// buffer. E.g. String("hello", 3) creates the string "hel",
// String("a\0bcd", 4) creates "a\0bc", String(NULL, 0) creates "",
// and String(NULL, 1) results in access violation.
String(const char* buffer, size_t length) {
ConstructNonNull(buffer, length);
}
// The copy c'tor creates a new copy of the string. The two
// String objects do not share content.
String(const String& str) : c_str_(NULL) {
*this = str;
}
String(const String& str) : data_(NULL) { *this = str; }
// D'tor. String is intended to be a final class, so the d'tor
// doesn't need to be virtual.
~String() { delete[] c_str_; }
~String() {
delete data_;
}
// Allows a String to be implicitly converted to an ::std::string or
// ::string, and vice versa. Converting a String containing a NULL
@ -228,21 +240,23 @@ class String {
// character to a String will result in the prefix up to the first
// NUL character.
#if GTEST_HAS_STD_STRING
String(const ::std::string& str) : c_str_(NULL) { *this = str.c_str(); }
String(const ::std::string& str) {
ConstructNonNull(str.c_str(), str.length());
}
operator ::std::string() const { return ::std::string(c_str_); }
operator ::std::string() const { return ::std::string(c_str(), length()); }
#endif // GTEST_HAS_STD_STRING
#if GTEST_HAS_GLOBAL_STRING
String(const ::string& str) : c_str_(NULL) { *this = str.c_str(); }
String(const ::string& str) {
ConstructNonNull(str.c_str(), str.length());
}
operator ::string() const { return ::string(c_str_); }
operator ::string() const { return ::string(c_str(), length()); }
#endif // GTEST_HAS_GLOBAL_STRING
// Returns true iff this is an empty string (i.e. "").
bool empty() const {
return (c_str_ != NULL) && (*c_str_ == '\0');
}
bool empty() const { return (c_str() != NULL) && (length() == 0); }
// Compares this with another String.
// Returns < 0 if this is less than rhs, 0 if this is equal to rhs, or > 0
@ -251,19 +265,15 @@ class String {
// Returns true iff this String equals the given C string. A NULL
// string and a non-NULL string are considered not equal.
bool operator==(const char* c_str) const {
return CStringEquals(c_str_, c_str);
}
bool operator==(const char* c_str) const { return Compare(c_str) == 0; }
// Returns true iff this String is less than the given C string. A NULL
// string is considered less than "".
// Returns true iff this String is less than the given String. A
// NULL string is considered less than "".
bool operator<(const String& rhs) const { return Compare(rhs) < 0; }
// Returns true iff this String doesn't equal the given C string. A NULL
// string and a non-NULL string are considered not equal.
bool operator!=(const char* c_str) const {
return !CStringEquals(c_str_, c_str);
}
bool operator!=(const char* c_str) const { return !(*this == c_str); }
// Returns true iff this String ends with the given suffix. *Any*
// String is considered to end with a NULL or empty suffix.
@ -273,45 +283,66 @@ class String {
// case. Any String is considered to end with a NULL or empty suffix.
bool EndsWithCaseInsensitive(const char* suffix) const;
// Returns the length of the encapsulated string, or -1 if the
// Returns the length of the encapsulated string, or 0 if the
// string is NULL.
int GetLength() const {
return c_str_ ? static_cast<int>(strlen(c_str_)) : -1;
}
size_t length() const { return (data_ == NULL) ? 0 : data_->length_; }
// Gets the 0-terminated C string this String object represents.
// The String object still owns the string. Therefore the caller
// should NOT delete the return value.
const char* c_str() const { return c_str_; }
// Sets the 0-terminated C string this String object represents.
// The old string in this object is deleted, and this object will
// own a clone of the input string. This function copies only up to
// length bytes (plus a terminating null byte), or until the first
// null byte, whichever comes first.
//
// This function works even when the c_str parameter has the same
// value as that of the c_str_ field.
void Set(const char* c_str, size_t length);
const char* c_str() const { return (data_ == NULL) ? NULL : data_->c_str_; }
// Assigns a C string to this object. Self-assignment works.
const String& operator=(const char* c_str);
const String& operator=(const char* c_str) { return *this = String(c_str); }
// Assigns a String object to this object. Self-assignment works.
const String& operator=(const String &rhs) {
*this = rhs.c_str_;
const String& operator=(const String& rhs) {
if (this != &rhs) {
delete data_;
data_ = NULL;
if (rhs.data_ != NULL) {
ConstructNonNull(rhs.data_->c_str_, rhs.data_->length_);
}
}
return *this;
}
private:
const char* c_str_;
};
// Constructs a non-NULL String from the given content. This
// function can only be called when data_ has not been allocated.
// ConstructNonNull(NULL, 0) results in an empty string ("").
// ConstructNonNull(NULL, non_zero) is undefined behavior.
void ConstructNonNull(const char* buffer, size_t length) {
data_ = new StringData;
char* const str = new char[length + 1];
memcpy(str, buffer, length);
str[length] = '\0';
data_->c_str_ = str;
data_->length_ = length;
}
// Streams a String to an ostream.
inline ::std::ostream& operator <<(::std::ostream& os, const String& str) {
// We call String::ShowCString() to convert NULL to "(null)".
// Otherwise we'll get an access violation on Windows.
return os << String::ShowCString(str.c_str());
// Points to the representation of the String. A NULL String is
// represented by data_ == NULL.
StringData* data_;
}; // class String
// Streams a String to an ostream. Each '\0' character in the String
// is replaced with "\\0".
inline ::std::ostream& operator<<(::std::ostream& os, const String& str) {
if (str.c_str() == NULL) {
os << "(null)";
} else {
const char* const c_str = str.c_str();
for (size_t i = 0; i != str.length(); i++) {
if (c_str[i] == '\0') {
os << "\\0";
} else {
os << c_str[i];
}
}
}
return os;
}
// Gets the content of the StrStream's buffer as a String. Each '\0'

61
scons/SConstruct Normal file
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@ -0,0 +1,61 @@
# -*- Python -*-
# Copyright 2008 Google Inc. All Rights Reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Author: joi@google.com (Joi Sigurdsson)
# Author: vladl@google.com (Vlad Losev)
#
# Base build file for Google Test Tests.
#
# Usage:
# cd to the directory with this file, then
# ./scons.py [OPTIONS]
#
# where frequently used command-line options include:
# -h print usage help.
# BUILD=all build all build types.
# BUILD=win-opt build the given build type.
EnsurePythonVersion(2, 3)
sconstruct_helper = SConscript('SConstruct.common')
sconstruct_helper.Initialize(build_root_path='..',
support_multiple_win_builds=False)
win_base = sconstruct_helper.MakeWinBaseEnvironment()
if win_base.get('MSVS_VERSION', None) == '7.1':
sconstruct_helper.AllowVc71StlWithoutExceptions(win_base)
sconstruct_helper.MakeWinDebugEnvironment(win_base, 'win-dbg')
sconstruct_helper.MakeWinOptimizedEnvironment(win_base, 'win-opt')
sconstruct_helper.ConfigureGccEnvironments()
sconstruct_helper.BuildSelectedEnvironments()

267
scons/SConstruct.common Normal file
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@ -0,0 +1,267 @@
# -*- Python -*-
# Copyright 2008 Google Inc. All Rights Reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Author: joi@google.com (Joi Sigurdsson)
# Author: vladl@google.com (Vlad Losev)
#
# Shared SCons utilities for building Google Test inside and outside of
# Google's environment.
#
EnsurePythonVersion(2, 3)
BUILD_DIR_PREFIX = 'build'
class SConstructHelper:
def __init__(self):
# A dictionary to look up an environment by its name.
self.env_dict = {}
def Initialize(self, build_root_path, support_multiple_win_builds=False):
test_env = Environment()
platform = test_env['PLATFORM']
if platform == 'win32':
if support_multiple_win_builds:
available_build_types = ['win-dbg8', 'win-opt8', 'win-dbg', 'win-opt']
else:
available_build_types = ['win-dbg', 'win-opt']
elif platform == 'darwin': # MacOSX
available_build_types = ['mac-dbg', 'mac-opt']
else:
available_build_types = ['dbg', 'opt'] # Assuming POSIX-like environment
# with GCC by default.
vars = Variables()
vars.Add(ListVariable('BUILD', 'Build type', available_build_types[0],
available_build_types))
vars.Add(BoolVariable('GTEST_BUILD_SAMPLES', 'Build samples', False))
# Create base environment.
self.env_base = Environment(variables=vars,
BUILD_MODE={'BUILD' : '"${BUILD}"'})
# Leave around a variable pointing at the build root so that SConscript
# files from outside our project root can find their bearings. Trick
# borrowed from Hammer in Software Construction Toolkit
# (http://code.google.com/p/swtoolkit/); if/when we switch to using the
# Hammer idioms instead of just Hammer's version of SCons, we should be
# able to remove this line.
self.env_base['SOURCE_ROOT'] = self.env_base.Dir(build_root_path)
# And another that definitely always points to the project root.
self.env_base['PROJECT_ROOT'] = self.env_base.Dir('.').abspath
# Enable scons -h
Help(vars.GenerateHelpText(self.env_base))
def AllowVc71StlWithoutExceptions(self, env):
env.Append(
CPPDEFINES = [# needed for using some parts of STL with exception
# disabled. The scoop is given here, with comments
# from P.J. Plauger at
# http://groups.google.com/group/microsoft.public.vc.stl/browse_thread/thread/5e719833c6bdb177?q=_HAS_EXCEPTIONS+using+namespace+std&pli=1
'_TYPEINFO_'])
def MakeWinBaseEnvironment(self):
win_base = self.env_base.Clone(
platform='win32',
CCFLAGS=['-GS', # Enable buffer security check
'-W4', # Warning level
# Disables warnings that are either uninteresting or
# hard to fix.
'/wd4100',
# unreferenced formal parameter. The violation is in
# gcc's TR1 tuple and hard to fix.
'/wd4127',
# constant conditional expression. The macro
# GTEST_IS_NULL_LITERAL_() triggers it and I cannot find
# a fix.
'/wd4511', '/wd4512',
# copy ctor / assignment operator cannot be generated.
'-WX', # Treat warning as errors
#'-GR-', # Disable runtime type information
'-RTCs', # Enable stack-frame run-time error checks
'-RTCu', # Report when variable used without init.
#'-EHs', # enable C++ EH (no SEH exceptions)
'-nologo', # Suppress logo line
'-J', # All chars unsigned
#'-Wp64', # Detect 64-bit portability issues
'-Zi', # Produce debug information in PDB files.
],
CCPDBFLAGS='',
CPPDEFINES=['_UNICODE', 'UNICODE',
'WIN32', '_WIN32',
'STRICT',
'WIN32_LEAN_AND_MEAN',
'_HAS_EXCEPTIONS=0',
],
LIBPATH=['#/$MAIN_DIR/lib'],
LINKFLAGS=['-MACHINE:x86', # Enable safe SEH (not supp. on x64)
'-DEBUG', # Generate debug info
'-NOLOGO', # Suppress logo line
],
# All strings in string tables zero terminated.
RCFLAGS=['-n'])
return win_base
def SetBuildNameAndDir(self, env, name):
env['BUILD_NAME'] = name;
env['BUILD_DIR'] = '%s/%s' % (BUILD_DIR_PREFIX, name)
self.env_dict[name] = env
def MakeWinDebugEnvironment(self, base_environment, name):
"""Takes a VC71 or VC80 base environment and adds debug settings."""
debug_env = base_environment.Clone()
self.SetBuildNameAndDir(debug_env, name)
debug_env.Append(
CCFLAGS = ['-Od', # Disable optimizations
'-MTd', # Multithreaded, static link (debug)
# Path for PDB files
'-Fd%s\\' % debug_env.Dir(debug_env['BUILD_DIR']),
],
CPPDEFINES = ['DEBUG',
'_DEBUG',
],
LIBPATH = [],
LINKFLAGS = ['-INCREMENTAL:yes',
'/OPT:NOICF',
]
)
# Tell SCons to build depdendencies in random order (apart from the
# actual dependency order). This helps ensure we don't introduce
# build files that "accidentally" work sometimes (e.g. when you are
# building some targets) and not other times.
debug_env.SetOption('random', 1)
return debug_env
def MakeWinOptimizedEnvironment(self, base_environment, name):
"""Takes a VC71 or VC80 base environment and adds release settings."""
optimized_env = base_environment.Clone()
self.SetBuildNameAndDir(optimized_env, name)
optimized_env.Append(
CCFLAGS = ['-GL', # Enable link-time code generation (/GL)
'-GF', # Enable String Pooling (/GF)
'-MT', # Multithreaded, static link
# Path for PDB files
'-Fd%s\\' % optimized_env.Dir(optimized_env['BUILD_DIR']),
# Favor small code (this is /O1 minus /Og)
'-Os',
'-Oy',
'-Ob2',
'-Gs',
'-GF',
'-Gy',
],
CPPDEFINES = ['NDEBUG',
'_NDEBUG',
],
LIBPATH = [],
ARFLAGS = ['-LTCG'], # Link-time Code Generation
LINKFLAGS = ['-LTCG', # Link-time Code Generation
'-OPT:REF', # Optimize by reference.
'-OPT:ICF=32', # Optimize by identical COMDAT folding
'-OPT:NOWIN98', # Optimize by not aligning section for
# Win98
'-INCREMENTAL:NO', # No incremental linking as we don't
# want padding bytes in release build.
],
)
return optimized_env
def AddGccFlagsTo(self, env, optimized):
env.Append(CCFLAGS=['-fno-exceptions',
'-Wall',
'-Werror',
])
if optimized:
env.Append(CCFLAGS=['-O2'], CPPDEFINES=['NDEBUG', '_NDEBUG'])
else:
env.Append(CCFLAGS=['-g'], CPPDEFINES=['DEBUG', '_DEBUG'])
def ConfigureGccEnvironments(self):
# Mac environments.
mac_base = self.env_base.Clone(platform='darwin')
mac_dbg = mac_base.Clone()
self.AddGccFlagsTo(mac_dbg, optimized=False)
self.SetBuildNameAndDir(mac_dbg, 'mac-dbg')
mac_opt = mac_base.Clone()
self.AddGccFlagsTo(mac_opt, optimized=True)
self.SetBuildNameAndDir(mac_opt, 'mac-opt')
# Generic GCC environments.
gcc_dbg = self.env_base.Clone()
self.AddGccFlagsTo(gcc_dbg, optimized=False)
self.SetBuildNameAndDir(gcc_dbg, 'dbg')
gcc_opt = self.env_base.Clone()
self.AddGccFlagsTo(gcc_opt, optimized=True)
self.SetBuildNameAndDir(gcc_opt, 'opt')
def BuildSelectedEnvironments(self):
# Build using whichever environments the 'BUILD' option selected
for build_name in self.env_base['BUILD']:
print 'BUILDING %s' % build_name
env = self.env_dict[build_name]
# Make sure SConscript files can refer to base build dir
env['MAIN_DIR'] = env.Dir(env['BUILD_DIR'])
#print 'CCFLAGS: %s' % env.subst('$CCFLAGS')
#print 'LINK: %s' % env.subst('$LINK')
#print 'AR: %s' % env.subst('$AR')
#print 'CC: %s' % env.subst('$CC')
#print 'CXX: %s' % env.subst('$CXX')
#print 'LIBPATH: %s' % env.subst('$LIBPATH')
#print 'ENV:PATH: %s' % env['ENV']['PATH']
#print 'ENV:INCLUDE: %s' % env['ENV']['INCLUDE']
#print 'ENV:LIB: %s' % env['ENV']['LIB']
#print 'ENV:TEMP: %s' % env['ENV']['TEMP']
Export('env')
# Invokes SConscript with variant_dir being build/<config name>.
# Counter-intuitively, src_dir is relative to the build dir and has
# to be '..' to point to the scons directory.
SConscript('SConscript',
src_dir='..',
variant_dir=env['BUILD_DIR'],
duplicate=0)
sconstruct_helper = SConstructHelper()
Return('sconstruct_helper')

14
src/gtest-filepath.cc
View File

@ -103,7 +103,7 @@ FilePath FilePath::GetCurrentDir() {
FilePath FilePath::RemoveExtension(const char* extension) const {
String dot_extension(String::Format(".%s", extension));
if (pathname_.EndsWithCaseInsensitive(dot_extension.c_str())) {
return FilePath(String(pathname_.c_str(), pathname_.GetLength() - 4));
return FilePath(String(pathname_.c_str(), pathname_.length() - 4));
}
return *this;
}
@ -217,7 +217,7 @@ bool FilePath::IsRootDirectory() const {
// TODO(wan@google.com): on Windows a network share like
// \\server\share can be a root directory, although it cannot be the
// current directory. Handle this properly.
return pathname_.GetLength() == 3 && IsAbsolutePath();
return pathname_.length() == 3 && IsAbsolutePath();
#else
return pathname_ == kPathSeparatorString;
#endif
@ -227,7 +227,7 @@ bool FilePath::IsRootDirectory() const {
bool FilePath::IsAbsolutePath() const {
const char* const name = pathname_.c_str();
#if GTEST_OS_WINDOWS
return pathname_.GetLength() >= 3 &&
return pathname_.length() >= 3 &&
((name[0] >= 'a' && name[0] <= 'z') ||
(name[0] >= 'A' && name[0] <= 'Z')) &&
name[1] == ':' &&
@ -271,7 +271,7 @@ bool FilePath::CreateDirectoriesRecursively() const {
return false;
}
if (pathname_.GetLength() == 0 || this->DirectoryExists()) {
if (pathname_.length() == 0 || this->DirectoryExists()) {
return true;
}
@ -307,7 +307,7 @@ bool FilePath::CreateFolder() const {
// On Windows platform, uses \ as the separator, other platforms use /.
FilePath FilePath::RemoveTrailingPathSeparator() const {
return pathname_.EndsWith(kPathSeparatorString)
? FilePath(String(pathname_.c_str(), pathname_.GetLength() - 1))
? FilePath(String(pathname_.c_str(), pathname_.length() - 1))
: *this;
}
@ -320,9 +320,9 @@ void FilePath::Normalize() {
return;
}
const char* src = pathname_.c_str();
char* const dest = new char[pathname_.GetLength() + 1];
char* const dest = new char[pathname_.length() + 1];
char* dest_ptr = dest;
memset(dest_ptr, 0, pathname_.GetLength() + 1);
memset(dest_ptr, 0, pathname_.length() + 1);
while (*src != '\0') {
*dest_ptr++ = *src;

2
src/gtest-port.cc
View File

@ -585,7 +585,7 @@ static String FlagToEnvVar(const char* flag) {
(Message() << GTEST_FLAG_PREFIX_ << flag).GetString();
Message env_var;
for (int i = 0; i != full_flag.GetLength(); i++) {
for (size_t i = 0; i != full_flag.length(); i++) {
env_var << static_cast<char>(toupper(full_flag.c_str()[i]));
}

83
src/gtest.cc
View File

@ -445,7 +445,7 @@ bool UnitTestOptions::FilterMatchesTest(const String &test_case_name,
positive = GTEST_FLAG(filter).c_str(); // Whole string is a positive filter
negative = String("");
} else {
positive.Set(p, dash - p); // Everything up to the dash
positive = String(p, dash - p); // Everything up to the dash
negative = String(dash+1); // Everything after the dash
if (positive.empty()) {
// Treat '-test1' as the same as '*-test1'
@ -926,17 +926,17 @@ bool String::CStringEquals(const char * lhs, const char * rhs) {
// Converts an array of wide chars to a narrow string using the UTF-8
// encoding, and streams the result to the given Message object.
static void StreamWideCharsToMessage(const wchar_t* wstr, size_t len,
static void StreamWideCharsToMessage(const wchar_t* wstr, size_t length,
Message* msg) {
// TODO(wan): consider allowing a testing::String object to
// contain '\0'. This will make it behave more like std::string,
// and will allow ToUtf8String() to return the correct encoding
// for '\0' s.t. we can get rid of the conditional here (and in
// several other places).
for (size_t i = 0; i != len; ) { // NOLINT
for (size_t i = 0; i != length; ) { // NOLINT
if (wstr[i] != L'\0') {
*msg << WideStringToUtf8(wstr + i, static_cast<int>(len - i));
while (i != len && wstr[i] != L'\0')
*msg << WideStringToUtf8(wstr + i, static_cast<int>(length - i));
while (i != length && wstr[i] != L'\0')
i++;
} else {
*msg << '\0';
@ -1679,24 +1679,30 @@ bool String::CaseInsensitiveWideCStringEquals(const wchar_t* lhs,
#endif // OS selector
}
// Constructs a String by copying a given number of chars from a
// buffer. E.g. String("hello", 3) will create the string "hel".
String::String(const char * buffer, size_t len) {
char * const temp = new char[ len + 1 ];
memcpy(temp, buffer, len);
temp[ len ] = '\0';
c_str_ = temp;
}
// Compares this with another String.
// Returns < 0 if this is less than rhs, 0 if this is equal to rhs, or > 0
// if this is greater than rhs.
int String::Compare(const String & rhs) const {
if ( c_str_ == NULL ) {
return rhs.c_str_ == NULL ? 0 : -1; // NULL < anything except NULL
const char* const lhs_c_str = c_str();
const char* const rhs_c_str = rhs.c_str();
if (lhs_c_str == NULL) {
return rhs_c_str == NULL ? 0 : -1; // NULL < anything except NULL
} else if (rhs_c_str == NULL) {
return 1;
}
return rhs.c_str_ == NULL ? 1 : strcmp(c_str_, rhs.c_str_);
const size_t shorter_str_len =
length() <= rhs.length() ? length() : rhs.length();
for (size_t i = 0; i != shorter_str_len; i++) {
if (lhs_c_str[i] < rhs_c_str[i]) {
return -1;
} else if (lhs_c_str[i] > rhs_c_str[i]) {
return 1;
}
}
return (length() < rhs.length()) ? -1 :
(length() > rhs.length()) ? 1 : 0;
}
// Returns true iff this String ends with the given suffix. *Any*
@ -1704,12 +1710,12 @@ int String::Compare(const String & rhs) const {
bool String::EndsWith(const char* suffix) const {
if (suffix == NULL || CStringEquals(suffix, "")) return true;
if (c_str_ == NULL) return false;
if (c_str() == NULL) return false;
const size_t this_len = strlen(c_str_);
const size_t this_len = strlen(c_str());
const size_t suffix_len = strlen(suffix);
return (this_len >= suffix_len) &&
CStringEquals(c_str_ + this_len - suffix_len, suffix);
CStringEquals(c_str() + this_len - suffix_len, suffix);
}
// Returns true iff this String ends with the given suffix, ignoring case.
@ -1717,37 +1723,12 @@ bool String::EndsWith(const char* suffix) const {
bool String::EndsWithCaseInsensitive(const char* suffix) const {
if (suffix == NULL || CStringEquals(suffix, "")) return true;
if (c_str_ == NULL) return false;
if (c_str() == NULL) return false;
const size_t this_len = strlen(c_str_);
const size_t this_len = strlen(c_str());
const size_t suffix_len = strlen(suffix);
return (this_len >= suffix_len) &&
CaseInsensitiveCStringEquals(c_str_ + this_len - suffix_len, suffix);
}
// Sets the 0-terminated C string this String object represents. The
// old string in this object is deleted, and this object will own a
// clone of the input string. This function copies only up to length
// bytes (plus a terminating null byte), or until the first null byte,
// whichever comes first.
//
// This function works even when the c_str parameter has the same
// value as that of the c_str_ field.
void String::Set(const char * c_str, size_t length) {
// Makes sure this works when c_str == c_str_
const char* const temp = CloneString(c_str, length);
delete[] c_str_;
c_str_ = temp;
}
// Assigns a C string to this object. Self-assignment works.
const String& String::operator=(const char* c_str) {
// Makes sure this works when c_str == c_str_
if (c_str != c_str_) {
delete[] c_str_;
c_str_ = CloneCString(c_str);
}
return *this;
CaseInsensitiveCStringEquals(c_str() + this_len - suffix_len, suffix);
}
// Formats a list of arguments to a String, using the same format
@ -1778,7 +1759,7 @@ String String::Format(const char * format, ...) {
#endif // _MSC_VER
va_end(args);
return String(size >= 0 ? buffer : "<buffer exceeded>");
return (size >= 0) ? String(buffer, size) : String("<buffer exceeded>");
}
// Converts the buffer in a StrStream to a String, converting NUL
@ -3491,7 +3472,7 @@ int UnitTest::Run() {
// Catch SEH-style exceptions.
const bool in_death_test_child_process =
internal::GTEST_FLAG(internal_run_death_test).GetLength() > 0;
internal::GTEST_FLAG(internal_run_death_test).length() > 0;
// Either the user wants Google Test to catch exceptions thrown by the
// tests or this is executing in the context of death test child
@ -4161,7 +4142,7 @@ const char* ParseFlagValue(const char* str,
// The flag must start with "--" followed by GTEST_FLAG_PREFIX_.
const String flag_str = String::Format("--%s%s", GTEST_FLAG_PREFIX_, flag);
const size_t flag_len = flag_str.GetLength();
const size_t flag_len = flag_str.length();
if (strncmp(str, flag_str.c_str(), flag_len) != 0) return NULL;
// Skips the flag name.

6
test/gtest-death-test_test.cc
View File

@ -292,7 +292,7 @@ TEST_F(TestForDeathTest, SingleStatement) {
}
void DieWithEmbeddedNul() {
fprintf(stderr, "Hello%cworld.\n", '\0');
fprintf(stderr, "Hello%cmy null world.\n", '\0');
fflush(stderr);
_exit(1);
}
@ -303,8 +303,8 @@ void DieWithEmbeddedNul() {
TEST_F(TestForDeathTest, EmbeddedNulInMessage) {
// TODO(wan@google.com): <regex.h> doesn't support matching strings
// with embedded NUL characters - find a way to workaround it.
EXPECT_DEATH(DieWithEmbeddedNul(), "w.*ld");
ASSERT_DEATH(DieWithEmbeddedNul(), "w.*ld");
EXPECT_DEATH(DieWithEmbeddedNul(), "my null world");
ASSERT_DEATH(DieWithEmbeddedNul(), "my null world");
}
#endif // GTEST_USES_PCRE

154
test/gtest_unittest.cc
View File

@ -697,25 +697,61 @@ TEST(ListDeathTest, GetElement) {
// Tests the String class.
TEST(StringTest, SizeIsSmall) {
// To avoid breaking clients that use lots of assertions in one
// function, we cannot grow the size of String.
EXPECT_LE(sizeof(String), sizeof(void*));
}
// Tests String's constructors.
TEST(StringTest, Constructors) {
// Default ctor.
String s1;
// We aren't using EXPECT_EQ(NULL, s1.c_str()) because comparing
// pointers with NULL isn't supported on all platforms.
EXPECT_EQ(0U, s1.length());
EXPECT_TRUE(NULL == s1.c_str());
// Implicitly constructs from a C-string.
String s2 = "Hi";
EXPECT_EQ(2U, s2.length());
EXPECT_STREQ("Hi", s2.c_str());
// Constructs from a C-string and a length.
String s3("hello", 3);
EXPECT_EQ(3U, s3.length());
EXPECT_STREQ("hel", s3.c_str());
// Copy ctor.
String s4 = s3;
EXPECT_STREQ("hel", s4.c_str());
// The empty String should be created when String is constructed with
// a NULL pointer and length 0.
EXPECT_EQ(0U, String(NULL, 0).length());
EXPECT_FALSE(String(NULL, 0).c_str() == NULL);
// Constructs a String that contains '\0'.
String s4("a\0bcd", 4);
EXPECT_EQ(4U, s4.length());
EXPECT_EQ('a', s4.c_str()[0]);
EXPECT_EQ('\0', s4.c_str()[1]);
EXPECT_EQ('b', s4.c_str()[2]);
EXPECT_EQ('c', s4.c_str()[3]);
// Copy ctor where the source is NULL.
const String null_str;
String s5 = null_str;
EXPECT_TRUE(s5.c_str() == NULL);
// Copy ctor where the source isn't NULL.
String s6 = s3;
EXPECT_EQ(3U, s6.length());
EXPECT_STREQ("hel", s6.c_str());
// Copy ctor where the source contains '\0'.
String s7 = s4;
EXPECT_EQ(4U, s7.length());
EXPECT_EQ('a', s7.c_str()[0]);
EXPECT_EQ('\0', s7.c_str()[1]);
EXPECT_EQ('b', s7.c_str()[2]);
EXPECT_EQ('c', s7.c_str()[3]);
}
#if GTEST_HAS_STD_STRING
@ -724,17 +760,22 @@ TEST(StringTest, ConvertsFromStdString) {
// An empty std::string.
const std::string src1("");
const String dest1 = src1;
EXPECT_EQ(0U, dest1.length());
EXPECT_STREQ("", dest1.c_str());
// A normal std::string.
const std::string src2("Hi");
const String dest2 = src2;
EXPECT_EQ(2U, dest2.length());
EXPECT_STREQ("Hi", dest2.c_str());
// An std::string with an embedded NUL character.
const char src3[] = "Hello\0world.";
const char src3[] = "a\0b";
const String dest3 = std::string(src3, sizeof(src3));
EXPECT_STREQ("Hello", dest3.c_str());
EXPECT_EQ(sizeof(src3), dest3.length());
EXPECT_EQ('a', dest3.c_str()[0]);
EXPECT_EQ('\0', dest3.c_str()[1]);
EXPECT_EQ('b', dest3.c_str()[2]);
}
TEST(StringTest, ConvertsToStdString) {
@ -747,6 +788,11 @@ TEST(StringTest, ConvertsToStdString) {
const String src2("Hi");
const std::string dest2 = src2;
EXPECT_EQ("Hi", dest2);
// A String containing a '\0'.
const String src3("x\0y", 3);
const std::string dest3 = src3;
EXPECT_EQ(std::string("x\0y", 3), dest3);
}
#endif // GTEST_HAS_STD_STRING
@ -757,17 +803,22 @@ TEST(StringTest, ConvertsFromGlobalString) {
// An empty ::string.
const ::string src1("");
const String dest1 = src1;
EXPECT_EQ(0U, dest1.length());
EXPECT_STREQ("", dest1.c_str());
// A normal ::string.
const ::string src2("Hi");
const String dest2 = src2;
EXPECT_EQ(2U, dest2.length());
EXPECT_STREQ("Hi", dest2.c_str());
// An ::string with an embedded NUL character.
const char src3[] = "Hello\0world.";
const char src3[] = "x\0y";
const String dest3 = ::string(src3, sizeof(src3));
EXPECT_STREQ("Hello", dest3.c_str());
EXPECT_EQ(sizeof(src3), dest3.length());
EXPECT_EQ('x', dest3.c_str()[0]);
EXPECT_EQ('\0', dest3.c_str()[1]);
EXPECT_EQ('y', dest3.c_str()[2]);
}
TEST(StringTest, ConvertsToGlobalString) {
@ -780,17 +831,14 @@ TEST(StringTest, ConvertsToGlobalString) {
const String src2("Hi");
const ::string dest2 = src2;
EXPECT_EQ("Hi", dest2);
const String src3("x\0y", 3);
const ::string dest3 = src3;
EXPECT_EQ(::string("x\0y", 3), dest3);
}
#endif // GTEST_HAS_GLOBAL_STRING
// Tests String::ShowCString().
TEST(StringTest, ShowCString) {
EXPECT_STREQ("(null)", String::ShowCString(NULL));
EXPECT_STREQ("", String::ShowCString(""));
EXPECT_STREQ("foo", String::ShowCString("foo"));
}
// Tests String::ShowCStringQuoted().
TEST(StringTest, ShowCStringQuoted) {
EXPECT_STREQ("(null)",
@ -801,6 +849,53 @@ TEST(StringTest, ShowCStringQuoted) {
String::ShowCStringQuoted("foo").c_str());
}
// Tests String::empty().
TEST(StringTest, Empty) {
EXPECT_TRUE(String("").empty());
EXPECT_FALSE(String().empty());
EXPECT_FALSE(String(NULL).empty());
EXPECT_FALSE(String("a").empty());
EXPECT_FALSE(String("\0", 1).empty());
}
// Tests String::Compare().
TEST(StringTest, Compare) {
// NULL vs NULL.
EXPECT_EQ(0, String().Compare(String()));
// NULL vs non-NULL.
EXPECT_EQ(-1, String().Compare(String("")));
// Non-NULL vs NULL.
EXPECT_EQ(1, String("").Compare(String()));
// The following covers non-NULL vs non-NULL.
// "" vs "".
EXPECT_EQ(0, String("").Compare(String("")));
// "" vs non-"".
EXPECT_EQ(-1, String("").Compare(String("\0", 1)));
EXPECT_EQ(-1, String("").Compare(" "));
// Non-"" vs "".
EXPECT_EQ(1, String("a").Compare(String("")));
// The following covers non-"" vs non-"".
// Same length and equal.
EXPECT_EQ(0, String("a").Compare(String("a")));
// Same length and different.
EXPECT_EQ(-1, String("a\0b", 3).Compare(String("a\0c", 3)));
EXPECT_EQ(1, String("b").Compare(String("a")));
// Different lengths.
EXPECT_EQ(-1, String("a").Compare(String("ab")));
EXPECT_EQ(-1, String("a").Compare(String("a\0", 2)));
EXPECT_EQ(1, String("abc").Compare(String("aacd")));
}
// Tests String::operator==().
TEST(StringTest, Equals) {
const String null(NULL);
@ -818,6 +913,9 @@ TEST(StringTest, Equals) {
EXPECT_FALSE(foo == ""); // NOLINT
EXPECT_FALSE(foo == "bar"); // NOLINT
EXPECT_TRUE(foo == "foo"); // NOLINT
const String bar("x\0y", 3);
EXPECT_FALSE(bar == "x");
}
// Tests String::operator!=().
@ -837,6 +935,17 @@ TEST(StringTest, NotEquals) {
EXPECT_TRUE(foo != ""); // NOLINT
EXPECT_TRUE(foo != "bar"); // NOLINT
EXPECT_FALSE(foo != "foo"); // NOLINT
const String bar("x\0y", 3);
EXPECT_TRUE(bar != "x");
}
// Tests String::length().
TEST(StringTest, Length) {
EXPECT_EQ(0U, String().length());
EXPECT_EQ(0U, String("").length());
EXPECT_EQ(2U, String("ab").length());
EXPECT_EQ(3U, String("a\0b", 3).length());
}
// Tests String::EndsWith().
@ -900,9 +1009,17 @@ TEST(StringTest, CanBeAssignedEmpty) {
TEST(StringTest, CanBeAssignedNonEmpty) {
const String src("hello");
String dest;
dest = src;
EXPECT_EQ(5U, dest.length());
EXPECT_STREQ("hello", dest.c_str());
const String src2("x\0y", 3);
String dest2;
dest2 = src2;
EXPECT_EQ(3U, dest2.length());
EXPECT_EQ('x', dest2.c_str()[0]);
EXPECT_EQ('\0', dest2.c_str()[1]);
EXPECT_EQ('y', dest2.c_str()[2]);
}
// Tests that a String can be assigned to itself.
@ -913,6 +1030,13 @@ TEST(StringTest, CanBeAssignedSelf) {
EXPECT_STREQ("hello", dest.c_str());
}
// Tests streaming a String.
TEST(StringTest, Streams) {
EXPECT_EQ(StreamableToString(String()), "(null)");
EXPECT_EQ(StreamableToString(String("")), "");
EXPECT_EQ(StreamableToString(String("a\0b", 3)), "a\\0b");
}
#if GTEST_OS_WINDOWS
// Tests String::ShowWideCString().