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Preliminary support for custom formatting.

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This commit is contained in:
Victor Zverovich
2012-12-17 14:56:44 -08:00
parent 059934fd10
commit ade5381f9a
3 changed files with 76 additions and 15 deletions
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format_test.cc
+32 -1
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@@ -621,6 +621,27 @@ TEST(FormatterTest, FormatString) {
EXPECT_EQ("test", str(Format("{0}") << std::string("test")));
}
TEST(FormatterTest, Write) {
Formatter format;
format.Write("12", 2);
EXPECT_EQ("12", format.str());
format.Write("34", 4);
EXPECT_EQ("1234 ", format.str());
format.Write("56", 0);
EXPECT_EQ("1234 56", format.str());
}
TEST(ArgFormatterTest, Write) {
Formatter formatter;
fmt::ArgFormatter format(formatter);
format.Write("12", 2);
EXPECT_EQ("12", formatter.str());
format.Write("34", 4);
EXPECT_EQ("1234 ", formatter.str());
format.Write("56", 0);
EXPECT_EQ("1234 56", formatter.str());
}
class Date {
int year_, month_, day_;
public:
@@ -632,7 +653,7 @@ class Date {
}
};
TEST(FormatterTest, FormatCustom) {
TEST(FormatterTest, FormatUsingIOStreams) {
EXPECT_EQ("a string", str(Format("{0}") << TestString("a string")));
std::string s = str(fmt::Format("The date is {0}") << Date(2012, 12, 9));
EXPECT_EQ("The date is 2012-12-9", s);
@@ -640,6 +661,16 @@ TEST(FormatterTest, FormatCustom) {
CheckUnknownTypes(date, "", "object");
}
class Answer {};
void Format(fmt::ArgFormatter &af, unsigned width, Answer) {
af.Write("42", width);
}
TEST(FormatterTest, CustomFormat) {
EXPECT_EQ("42", str(Format("{0}") << Answer()));
}
TEST(FormatterTest, FormatStringFromSpeedTest) {
EXPECT_EQ("1.2340000000:0042:+3.13:str:0x3e8:X:%",
str(Format("{0:0.10f}:{1:04}:{2:+g}:{3}:{4}:{5}:%")