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externals: Update fmt to 5.2.1

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Merge commit '5f7df9a182' into HEAD
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MerryMage 2020-04-22 20:57:22 +01:00
commit 783fc707fa
81 changed files with 12563 additions and 9605 deletions
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186
externals/fmt/test/ostream-test.cc vendored
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@ -1,77 +1,66 @@
/*
std::ostream support tests
Copyright (c) 2012-2016, 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.
*/
// Formatting library for C++ - std::ostream support tests
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#define FMT_STRING_ALIAS 1
#include "fmt/ostream.h"
#include <sstream>
#include "gmock/gmock.h"
#include "gmock.h"
#include "gtest-extra.h"
#include "util.h"
using fmt::format;
using fmt::FormatError;
using fmt::format_error;
std::ostream &operator<<(std::ostream &os, const Date &d) {
static std::ostream &operator<<(std::ostream &os, const Date &d) {
os << d.year() << '-' << d.month() << '-' << d.day();
return os;
}
std::wostream &operator<<(std::wostream &os, const Date &d) {
static std::wostream &operator<<(std::wostream &os, const Date &d) {
os << d.year() << L'-' << d.month() << L'-' << d.day();
return os;
}
enum TestEnum {};
std::ostream &operator<<(std::ostream &os, TestEnum) {
static std::ostream &operator<<(std::ostream &os, TestEnum) {
return os << "TestEnum";
}
static std::wostream &operator<<(std::wostream &os, TestEnum) {
return os << L"TestEnum";
}
enum TestEnum2 {A};
TEST(OStreamTest, Enum) {
EXPECT_FALSE(fmt::internal::ConvertToInt<TestEnum>::value);
EXPECT_FALSE((fmt::convert_to_int<TestEnum, char>::value));
EXPECT_EQ("TestEnum", fmt::format("{}", TestEnum()));
EXPECT_EQ("0", fmt::format("{}", A));
EXPECT_FALSE((fmt::convert_to_int<TestEnum, wchar_t>::value));
EXPECT_EQ(L"TestEnum", fmt::format(L"{}", TestEnum()));
EXPECT_EQ(L"0", fmt::format(L"{}", A));
}
struct TestArgFormatter : fmt::BasicArgFormatter<TestArgFormatter, char> {
TestArgFormatter(fmt::BasicFormatter<char, TestArgFormatter> &f,
fmt::FormatSpec &s, const char *fmt)
: fmt::BasicArgFormatter<TestArgFormatter, char>(f, s, fmt) {}
typedef fmt::back_insert_range<fmt::internal::buffer> range;
struct test_arg_formatter: fmt::arg_formatter<range> {
test_arg_formatter(fmt::format_context &ctx, fmt::format_specs &s)
: fmt::arg_formatter<range>(ctx, &s) {}
};
TEST(OStreamTest, CustomArg) {
fmt::MemoryWriter writer;
typedef fmt::BasicFormatter<char, TestArgFormatter> Formatter;
Formatter formatter(fmt::ArgList(), writer);
fmt::FormatSpec spec;
TestArgFormatter af(formatter, spec, "}");
af.visit(fmt::internal::MakeArg<Formatter>(TestEnum()));
EXPECT_EQ("TestEnum", writer.str());
fmt::memory_buffer buffer;
fmt::internal::buffer &base = buffer;
fmt::format_context ctx(std::back_inserter(base), "", fmt::format_args());
fmt::format_specs spec;
test_arg_formatter af(ctx, spec);
visit(af, fmt::internal::make_arg<fmt::format_context>(TestEnum()));
EXPECT_EQ("TestEnum", std::string(buffer.data(), buffer.size()));
}
TEST(OStreamTest, Format) {
@ -87,19 +76,19 @@ TEST(OStreamTest, FormatSpecs) {
EXPECT_EQ("def ", format("{0:<5}", TestString("def")));
EXPECT_EQ(" def", format("{0:>5}", TestString("def")));
EXPECT_THROW_MSG(format("{0:=5}", TestString("def")),
FormatError, "format specifier '=' requires numeric argument");
format_error, "format specifier requires numeric argument");
EXPECT_EQ(" def ", format("{0:^5}", TestString("def")));
EXPECT_EQ("def**", format("{0:*<5}", TestString("def")));
EXPECT_THROW_MSG(format("{0:+}", TestString()),
FormatError, "format specifier '+' requires numeric argument");
format_error, "format specifier requires numeric argument");
EXPECT_THROW_MSG(format("{0:-}", TestString()),
FormatError, "format specifier '-' requires numeric argument");
format_error, "format specifier requires numeric argument");
EXPECT_THROW_MSG(format("{0: }", TestString()),
FormatError, "format specifier ' ' requires numeric argument");
format_error, "format specifier requires numeric argument");
EXPECT_THROW_MSG(format("{0:#}", TestString()),
FormatError, "format specifier '#' requires numeric argument");
format_error, "format specifier requires numeric argument");
EXPECT_THROW_MSG(format("{0:05}", TestString()),
FormatError, "format specifier '0' requires numeric argument");
format_error, "format specifier requires numeric argument");
EXPECT_EQ("test ", format("{0:13}", TestString("test")));
EXPECT_EQ("test ", format("{0:{1}}", TestString("test"), 13));
EXPECT_EQ("te", format("{0:.2}", TestString("test")));
@ -107,7 +96,7 @@ TEST(OStreamTest, FormatSpecs) {
}
struct EmptyTest {};
std::ostream &operator<<(std::ostream &os, EmptyTest) {
static std::ostream &operator<<(std::ostream &os, EmptyTest) {
return os << "";
}
@ -119,13 +108,17 @@ TEST(OStreamTest, Print) {
std::ostringstream os;
fmt::print(os, "Don't {}!", "panic");
EXPECT_EQ("Don't panic!", os.str());
std::wostringstream wos;
fmt::print(wos, L"Don't {}!", L"panic");
EXPECT_EQ(L"Don't panic!", wos.str());
}
TEST(OStreamTest, WriteToOStream) {
std::ostringstream os;
fmt::MemoryWriter w;
w << "foo";
fmt::internal::write(os, w);
fmt::memory_buffer buffer;
const char *foo = "foo";
buffer.append(foo, foo + std::strlen(foo));
fmt::internal::write(os, buffer);
EXPECT_EQ("foo", os.str());
}
@ -135,55 +128,74 @@ TEST(OStreamTest, WriteToOStreamMaxSize) {
if (max_size <= fmt::internal::to_unsigned(max_streamsize))
return;
class TestWriter : public fmt::BasicWriter<char> {
private:
struct TestBuffer : fmt::Buffer<char> {
explicit TestBuffer(std::size_t size) { size_ = size; }
void grow(std::size_t) {}
} buffer_;
public:
explicit TestWriter(std::size_t size)
: fmt::BasicWriter<char>(buffer_), buffer_(size) {}
} w(max_size);
struct test_buffer : fmt::internal::buffer {
explicit test_buffer(std::size_t size) { resize(size); }
void grow(std::size_t) {}
} buffer(max_size);
struct MockStreamBuf : std::streambuf {
struct mock_streambuf : std::streambuf {
MOCK_METHOD2(xsputn, std::streamsize (const void *s, std::streamsize n));
std::streamsize xsputn(const char *s, std::streamsize n) {
const void *v = s;
return xsputn(v, n);
}
} buffer;
} streambuf;
struct TestOStream : std::ostream {
explicit TestOStream(MockStreamBuf &buffer) : std::ostream(&buffer) {}
} os(buffer);
struct test_ostream : std::ostream {
explicit test_ostream(mock_streambuf &buffer) : std::ostream(&buffer) {}
} os(streambuf);
testing::InSequence sequence;
const char *data = 0;
const char *data = nullptr;
std::size_t size = max_size;
do {
typedef fmt::internal::MakeUnsigned<std::streamsize>::Type UStreamSize;
UStreamSize n = std::min<UStreamSize>(
typedef std::make_unsigned<std::streamsize>::type ustreamsize;
ustreamsize n = std::min<ustreamsize>(
size, fmt::internal::to_unsigned(max_streamsize));
EXPECT_CALL(buffer, xsputn(data, static_cast<std::streamsize>(n)))
EXPECT_CALL(streambuf, xsputn(data, static_cast<std::streamsize>(n)))
.WillOnce(testing::Return(max_streamsize));
data += n;
size -= static_cast<std::size_t>(n);
size -= n;
} while (size != 0);
fmt::internal::write(os, w);
fmt::internal::write(os, buffer);
}
struct ConvertibleToInt {
template <typename ValueType>
operator ValueType() const {
return 0;
}
friend std::ostream &operator<<(std::ostream &o, ConvertibleToInt) {
return o << "foo";
}
};
TEST(FormatTest, FormatConvertibleToInt) {
EXPECT_EQ("foo", fmt::format("{}", ConvertibleToInt()));
TEST(OStreamTest, Join) {
int v[3] = {1, 2, 3};
EXPECT_EQ("1, 2, 3", fmt::format("{}", fmt::join(v, v + 3, ", ")));
}
#if FMT_USE_CONSTEXPR
TEST(OStreamTest, ConstexprString) {
EXPECT_EQ("42", format(fmt("{}"), std::string("42")));
}
#endif
namespace fmt_test {
struct ABC {};
template <typename Output> Output &operator<<(Output &out, ABC) {
out << "ABC";
return out;
}
} // namespace fmt_test
TEST(FormatTest, FormatToN) {
char buffer[4];
buffer[3] = 'x';
auto result = fmt::format_to_n(buffer, 3, "{}", fmt_test::ABC());
EXPECT_EQ(3u, result.size);
EXPECT_EQ(buffer + 3, result.out);
EXPECT_EQ("ABCx", fmt::string_view(buffer, 4));
result = fmt::format_to_n(buffer, 3, "x{}y", fmt_test::ABC());
EXPECT_EQ(5u, result.size);
EXPECT_EQ(buffer + 3, result.out);
EXPECT_EQ("xABx", fmt::string_view(buffer, 4));
}
#if FMT_USE_USER_DEFINED_LITERALS
TEST(FormatTest, UDL) {
using namespace fmt::literals;
EXPECT_EQ("{}"_format("test"), "test");
}
#endif