mirror of
https://github.com/fmtlib/fmt.git
synced 2024-11-14 23:15:06 +00:00
126 lines
4.4 KiB
C++
126 lines
4.4 KiB
C++
/*
|
|
Formatting library implementation tests.
|
|
|
|
Copyright (c) 2012-2014, Victor Zverovich
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
1. Redistributions of source code must retain the above copyright notice, this
|
|
list of conditions and the following disclaimer.
|
|
2. 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.
|
|
|
|
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.
|
|
*/
|
|
|
|
#define FMT_NOEXCEPT
|
|
#include "test-assert.h"
|
|
|
|
// Include format.cc instead of format.h to test implementation-specific stuff.
|
|
#include "fmt/format.cc"
|
|
|
|
#include <algorithm>
|
|
#include <cstring>
|
|
|
|
#include "gmock/gmock.h"
|
|
#include "gtest-extra.h"
|
|
#include "util.h"
|
|
|
|
#undef min
|
|
#undef max
|
|
|
|
TEST(FormatTest, ArgConverter) {
|
|
using fmt::internal::Arg;
|
|
Arg arg = Arg();
|
|
arg.type = Arg::LONG_LONG;
|
|
arg.long_long_value = std::numeric_limits<fmt::LongLong>::max();
|
|
fmt::internal::ArgConverter<fmt::LongLong>(arg, 'd').visit(arg);
|
|
EXPECT_EQ(Arg::LONG_LONG, arg.type);
|
|
}
|
|
|
|
TEST(FormatTest, FormatNegativeNaN) {
|
|
double nan = std::numeric_limits<double>::quiet_NaN();
|
|
if (fmt::internal::FPUtil::isnegative(-nan))
|
|
EXPECT_EQ("-nan", fmt::format("{}", -nan));
|
|
else
|
|
fmt::print("Warning: compiler doesn't handle negative NaN correctly");
|
|
}
|
|
|
|
TEST(FormatTest, StrError) {
|
|
char *message = 0;
|
|
char buffer[BUFFER_SIZE];
|
|
EXPECT_ASSERT(fmt::safe_strerror(EDOM, message = 0, 0), "invalid buffer");
|
|
EXPECT_ASSERT(fmt::safe_strerror(EDOM, message = buffer, 0),
|
|
"invalid buffer");
|
|
buffer[0] = 'x';
|
|
#if defined(_GNU_SOURCE) && !defined(__COVERITY__)
|
|
// Use invalid error code to make sure that safe_strerror returns an error
|
|
// message in the buffer rather than a pointer to a static string.
|
|
int error_code = -1;
|
|
#else
|
|
int error_code = EDOM;
|
|
#endif
|
|
|
|
int result = fmt::safe_strerror(error_code, message = buffer, BUFFER_SIZE);
|
|
EXPECT_EQ(0, result);
|
|
std::size_t message_size = std::strlen(message);
|
|
EXPECT_GE(BUFFER_SIZE - 1u, message_size);
|
|
EXPECT_EQ(get_system_error(error_code), message);
|
|
|
|
// safe_strerror never uses buffer on MinGW.
|
|
#ifndef __MINGW32__
|
|
result = fmt::safe_strerror(error_code, message = buffer, message_size);
|
|
EXPECT_EQ(ERANGE, result);
|
|
result = fmt::safe_strerror(error_code, message = buffer, 1);
|
|
EXPECT_EQ(buffer, message); // Message should point to buffer.
|
|
EXPECT_EQ(ERANGE, result);
|
|
EXPECT_STREQ("", message);
|
|
#endif
|
|
}
|
|
|
|
TEST(FormatTest, FormatErrorCode) {
|
|
std::string msg = "error 42", sep = ": ";
|
|
{
|
|
fmt::MemoryWriter w;
|
|
w << "garbage";
|
|
fmt::format_error_code(w, 42, "test");
|
|
EXPECT_EQ("test: " + msg, w.str());
|
|
}
|
|
{
|
|
fmt::MemoryWriter w;
|
|
std::string prefix(
|
|
fmt::internal::INLINE_BUFFER_SIZE - msg.size() - sep.size() + 1, 'x');
|
|
fmt::format_error_code(w, 42, prefix);
|
|
EXPECT_EQ(msg, w.str());
|
|
}
|
|
int codes[] = {42, -1};
|
|
for (std::size_t i = 0, n = sizeof(codes) / sizeof(*codes); i < n; ++i) {
|
|
// Test maximum buffer size.
|
|
msg = fmt::format("error {}", codes[i]);
|
|
fmt::MemoryWriter w;
|
|
std::string prefix(
|
|
fmt::internal::INLINE_BUFFER_SIZE - msg.size() - sep.size(), 'x');
|
|
fmt::format_error_code(w, codes[i], prefix);
|
|
EXPECT_EQ(prefix + sep + msg, w.str());
|
|
std::size_t size = fmt::internal::INLINE_BUFFER_SIZE;
|
|
EXPECT_EQ(size, w.size());
|
|
w.clear();
|
|
// Test with a message that doesn't fit into the buffer.
|
|
prefix += 'x';
|
|
fmt::format_error_code(w, codes[i], prefix);
|
|
EXPECT_EQ(msg, w.str());
|
|
}
|
|
}
|