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Replace operator<< with write function

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This commit is contained in:
Victor Zverovich
2017-01-22 07:40:21 -08:00
parent b77c8190ca
commit ec15ef7b7b
11 changed files with 105 additions and 89 deletions
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test/custom-formatter-test.cc
+1 -1
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@@ -48,7 +48,7 @@ class CustomPrintfArgFormatter : public PrintfArgFormatter<char> {
std::string custom_vformat(fmt::CStringRef format_str, fmt::format_args args) {
fmt::MemoryWriter writer;
// Pass custom argument formatter as a template arg to vformat.
fmt::vformat<CustomArgFormatter>(writer, format_str, args);
fmt::vwrite<CustomArgFormatter>(writer, format_str, args);
return writer.str();
}
test/format-impl-test.cc
+2 -2
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@@ -65,7 +65,7 @@ TEST(FormatTest, ArgConverter) {
TEST(FormatTest, FormatNegativeNaN) {
double nan = std::numeric_limits<double>::quiet_NaN();
if (fmt::internal::FPUtil::isnegative(-nan))
if (fmt::internal::fputil::isnegative(-nan))
EXPECT_EQ("-nan", fmt::format("{}", -nan));
else
fmt::print("Warning: compiler doesn't handle negative NaN correctly");
@@ -107,7 +107,7 @@ TEST(FormatTest, FormatErrorCode) {
std::string msg = "error 42", sep = ": ";
{
fmt::MemoryWriter w;
w << "garbage";
w.write("garbage");
fmt::format_error_code(w, 42, "test");
EXPECT_EQ("test: " + msg, w.str());
}
test/format-test.cc
+49 -33
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@@ -107,8 +107,9 @@ void std_format(long double value, std::wstring &result) {
// as writing it to std::basic_ostringstream<Char>.
template <typename Char, typename T>
::testing::AssertionResult check_write(const T &value, const char *type) {
std::basic_string<Char> actual =
(fmt::BasicMemoryWriter<Char>() << value).str();
fmt::BasicMemoryWriter<Char> writer;
writer.write(value);
std::basic_string<Char> actual = writer.str();
std::basic_string<Char> expected;
std_format(value, expected);
if (expected == actual)
@@ -191,19 +192,19 @@ void check_move_writer(const std::string &str, MemoryWriter &w) {
TEST(WriterTest, MoveCtor) {
MemoryWriter w;
w << "test";
w.write("test");
check_move_writer("test", w);
// This fills the inline buffer, but doesn't cause dynamic allocation.
std::string s;
for (int i = 0; i < fmt::internal::INLINE_BUFFER_SIZE; ++i)
s += '*';
w.clear();
w << s;
w.write(s);
check_move_writer(s, w);
const char *inline_buffer_ptr = w.data();
// Adding one more character causes the content to move from the inline to
// a dynamically allocated buffer.
w << '*';
w.write('*');
MemoryWriter w2(std::move(w));
// Move should rip the guts of the first writer.
EXPECT_EQ(inline_buffer_ptr, w.data());
@@ -220,19 +221,19 @@ void CheckMoveAssignWriter(const std::string &str, MemoryWriter &w) {
TEST(WriterTest, MoveAssignment) {
MemoryWriter w;
w << "test";
w.write("test");
CheckMoveAssignWriter("test", w);
// This fills the inline buffer, but doesn't cause dynamic allocation.
std::string s;
for (int i = 0; i < fmt::internal::INLINE_BUFFER_SIZE; ++i)
s += '*';
w.clear();
w << s;
w.write(s);
CheckMoveAssignWriter(s, w);
const char *inline_buffer_ptr = w.data();
// Adding one more character causes the content to move from the inline to
// a dynamically allocated buffer.
w << '*';
w.write('*');
MemoryWriter w2;
w2 = std::move(w);
// Move should rip the guts of the first writer.
@@ -252,19 +253,19 @@ TEST(WriterTest, Allocator) {
std::vector<char> mem(size);
EXPECT_CALL(alloc, allocate(size)).WillOnce(testing::Return(&mem[0]));
for (int i = 0; i < fmt::internal::INLINE_BUFFER_SIZE + 1; ++i)
w << '*';
w.write('*');
EXPECT_CALL(alloc, deallocate(&mem[0], size));
}
TEST(WriterTest, Data) {
MemoryWriter w;
w << 42;
w.write(42);
EXPECT_EQ("42", std::string(w.data(), w.size()));
}
TEST(WriterTest, WriteWithoutArgs) {
MemoryWriter w;
w.write("test");
w.format("test");
EXPECT_EQ("test", std::string(w.data(), w.size()));
}
@@ -317,15 +318,15 @@ TEST(WriterTest, WriteLongDouble) {
TEST(WriterTest, WriteDoubleAtBufferBoundary) {
MemoryWriter writer;
for (int i = 0; i < 100; ++i)
writer << 1.23456789;
writer.write(1.23456789);
}
TEST(WriterTest, WriteDoubleWithFilledBuffer) {
MemoryWriter writer;
// Fill the buffer.
for (int i = 0; i < fmt::internal::INLINE_BUFFER_SIZE; ++i)
writer << ' ';
writer << 1.2;
writer.write(' ');
writer.write(1.2);
EXPECT_STREQ("1.2", writer.c_str() + fmt::internal::INLINE_BUFFER_SIZE);
}
@@ -399,8 +400,13 @@ TEST(WriterTest, hexu) {
}
template <typename Char>
basic_writer<Char> &operator<<(basic_writer<Char> &f, const Date &d) {
return f << d.year() << '-' << d.month() << '-' << d.day();
basic_writer<Char> &operator<<(basic_writer<Char> &w, const Date &d) {
w.write(d.year());
w.write('-');
w.write(d.month());
w.write('-');
w.write(d.day());
return w;
}
class ISO8601DateFormatter {
@@ -412,8 +418,12 @@ public:
template <typename Char>
friend basic_writer<Char> &operator<<(
basic_writer<Char> &w, const ISO8601DateFormatter &d) {
return w << pad(d.date_->year(), 4, '0') << '-'
<< pad(d.date_->month(), 2, '0') << '-' << pad(d.date_->day(), 2, '0');
w << pad(d.date_->year(), 4, '0');
w.write('-');
w << pad(d.date_->month(), 2, '0');
w.write('-');
w << pad(d.date_->day(), 2, '0');
return w;
}
};
@@ -467,12 +477,12 @@ TEST(WriterTest, NoConflictWithIOManip) {
TEST(WriterTest, Format) {
MemoryWriter w;
w.write("part{0}", 1);
w.format("part{0}", 1);
EXPECT_EQ(strlen("part1"), w.size());
EXPECT_STREQ("part1", w.c_str());
EXPECT_STREQ("part1", w.data());
EXPECT_EQ("part1", w.str());
w.write("part{0}", 2);
w.format("part{0}", 2);
EXPECT_EQ(strlen("part1part2"), w.size());
EXPECT_STREQ("part1part2", w.c_str());
EXPECT_STREQ("part1part2", w.data());
@@ -495,27 +505,27 @@ TEST(ArrayWriterTest, CompileTimeSizeCtor) {
fmt::ArrayWriter w(array);
EXPECT_EQ(0u, w.size());
EXPECT_STREQ("", w.c_str());
w.write("{:10}", 1);
w.format("{:10}", 1);
}
TEST(ArrayWriterTest, Write) {
char array[10];
fmt::ArrayWriter w(array, sizeof(array));
w.write("{}", 42);
w.format("{}", 42);
EXPECT_EQ("42", w.str());
}
TEST(ArrayWriterTest, BufferOverflow) {
char array[10];
fmt::ArrayWriter w(array, sizeof(array));
w.write("{:10}", 1);
EXPECT_THROW_MSG(w.write("{}", 1), std::runtime_error, "buffer overflow");
w.format("{:10}", 1);
EXPECT_THROW_MSG(w.format("{}", 1), std::runtime_error, "buffer overflow");
}
TEST(ArrayWriterTest, WChar) {
wchar_t array[10];
fmt::WArrayWriter w(array);
w.write(L"{}", 42);
w.format(L"{}", 42);
EXPECT_EQ(L"42", w.str());
}
@@ -1356,7 +1366,11 @@ TEST(FormatterTest, FormatCStringRef) {
}
void format_value(fmt::writer &w, const Date &d, fmt::format_context &) {
w << d.year() << '-' << d.month() << '-' << d.day();
w.write(d.year());
w.write('-');
w.write(d.month());
w.write('-');
w.write(d.day());
}
TEST(FormatterTest, FormatCustom) {
@@ -1369,7 +1383,7 @@ class Answer {};
template <typename Char>
void format_value(basic_writer<Char> &w, Answer, fmt::format_context &) {
w << "42";
w.write("42");
}
TEST(FormatterTest, CustomFormat) {
@@ -1400,14 +1414,16 @@ TEST(FormatterTest, FormatExamples) {
EXPECT_EQ("42", format(std::string("{}"), 42));
MemoryWriter out;
out << "The answer is " << 42 << "\n";
out.write("({:+f}, {:+f})", -3.14, 3.14);
out.write("The answer is ");
out.write(42);
out.write("\n");
out.format("({:+f}, {:+f})", -3.14, 3.14);
EXPECT_EQ("The answer is 42\n(-3.140000, +3.140000)", out.str());
{
MemoryWriter writer;
for (int i = 0; i < 10; i++)
writer.write("{}", i);
writer.format("{}", i);
std::string s = writer.str(); // s == 0123456789
EXPECT_EQ("0123456789", s);
}
@@ -1552,8 +1568,8 @@ TEST(StrTest, Convert) {
std::string vformat_message(int id, const char *format, fmt::format_args args) {
MemoryWriter w;
w.write("[{}] ", id);
w.vwrite(format, args);
w.format("[{}] ", id);
w.vformat(format, args);
return w.str();
}
@@ -1642,7 +1658,7 @@ class MockArgFormatter : public fmt::internal::ArgFormatterBase<char> {
void custom_vformat(fmt::CStringRef format_str, fmt::format_args args) {
fmt::MemoryWriter writer;
fmt::vformat<MockArgFormatter>(writer, format_str, args);
fmt::vwrite<MockArgFormatter>(writer, format_str, args);
}
template <typename... Args>
test/ostream-test.cc
+1 -1
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@@ -123,7 +123,7 @@ TEST(OStreamTest, Print) {
TEST(OStreamTest, WriteToOStream) {
std::ostringstream os;
fmt::MemoryWriter w;
w << "foo";
w.write("foo");
fmt::internal::write(os, w);
EXPECT_EQ("foo", os.str());
}
test/string-test.cc
+6 -2
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@@ -60,7 +60,9 @@ TEST(StringBufferTest, MoveTo) {
TEST(StringWriterTest, MoveTo) {
fmt::StringWriter out;
out << "The answer is " << 42 << "\n";
out.write("The answer is ");
out.write(42);
out.write("\n");
std::string s;
out.move_to(s);
EXPECT_EQ("The answer is 42\n", s);
@@ -69,7 +71,9 @@ TEST(StringWriterTest, MoveTo) {
TEST(StringWriterTest, WString) {
fmt::WStringWriter out;
out << "The answer is " << 42 << "\n";
out.write("The answer is ");
out.write(42);
out.write("\n");
std::wstring s;
out.move_to(s);
EXPECT_EQ(L"The answer is 42\n", s);
test/util-test.cc
+2 -2
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@@ -70,7 +70,7 @@ struct Test {};
template <typename Char>
void format_value(fmt::basic_writer<Char> &w, Test,
fmt::basic_format_context<Char> &) {
w << "test";
w.write("test");
}
template <typename Context, typename T>
@@ -726,7 +726,7 @@ TEST(UtilTest, SystemError) {
TEST(UtilTest, ReportSystemError) {
fmt::MemoryWriter out;
fmt::format_system_error(out, EDOM, "test error");
out << '\n';
out.write('\n');
EXPECT_WRITE(stderr, fmt::report_system_error(EDOM, "test error"), out.str());
}