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Add support for user-defined types.

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This commit is contained in:
Victor Zverovich
2012-12-09 09:03:47 -08:00
parent 8b1c7098ec
commit 280ea8b5c5
3 changed files with 103 additions and 41 deletions
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55
format_test.cc
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@@ -53,6 +53,19 @@ using fmt::FormatError;
FORMAT_TEST_THROW_(statement, expected_exception, expected_message, \
GTEST_NONFATAL_FAILURE_)
class TestString {
private:
std::string value_;
public:
explicit TestString(const char *value = "") : value_(value) {}
friend std::ostream &operator<<(std::ostream &os, const TestString &s) {
os << s.value_;
return os;
}
};
TEST(FormatterTest, FormatNoArgs) {
EXPECT_EQ("abracadabra", str(Format("{0}{1}{0}") << "abra" << "cad"));
EXPECT_EQ("test", str(Format("test")));
@@ -96,8 +109,6 @@ TEST(FormatterTest, FormatArgErrors) {
}
}
struct UDT {};
TEST(FormatterTest, FormatPlusFlag) {
EXPECT_EQ("+42", str(Format("{0:+}") << 42));
EXPECT_EQ("-42", str(Format("{0:+}") << -42));
@@ -117,7 +128,7 @@ TEST(FormatterTest, FormatPlusFlag) {
FormatError, "format specifier '+' used with non-numeric type");
EXPECT_THROW_MSG(Format("{0:+}") << static_cast<const void*>("abc"),
FormatError, "format specifier '+' used with non-numeric type");
EXPECT_THROW_MSG(Format("{0:+}") << UDT(),
EXPECT_THROW_MSG(Format("{0:+}") << TestString(),
FormatError, "format specifier '+' used with non-numeric type");
}
@@ -139,20 +150,42 @@ TEST(FormatterTest, FormatZeroFlag) {
FormatError, "format specifier '0' used with non-numeric type");
EXPECT_THROW_MSG(Format("{0:05}") << static_cast<const void*>("abc"),
FormatError, "format specifier '0' used with non-numeric type");
EXPECT_THROW_MSG(Format("{0:05}") << UDT(),
EXPECT_THROW_MSG(Format("{0:05}") << TestString(),
FormatError, "format specifier '0' used with non-numeric type");
}
TEST(FormatterTest, FormatBig) {
TEST(FormatterTest, FormatWidth) {
// TODO
}
TEST(FormatterTest, FormatChar) {
EXPECT_EQ("a*b", str(Format("{0}{1}{2}") << 'a' << '*' << 'b'));
}
TEST(FormatterTest, FormatInt) {
EXPECT_EQ("42", str(Format("{0}") << 42));
EXPECT_EQ("-1234", str(Format("{0}") << -1234));
std::ostringstream os;
os << INT_MIN;
EXPECT_EQ(os.str(), str(Format("{0}") << INT_MIN));
os.str(std::string());
os << INT_MAX;
EXPECT_EQ(os.str(), str(Format("{0}") << INT_MAX));
}
TEST(FormatterTest, FormatString) {
EXPECT_EQ("test", str(Format("{0}") << std::string("test")));
}
TEST(FormatterTest, FormatCustomArg) {
EXPECT_EQ("a string", str(Format("{0}") << TestString("a string")));
}
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}:%")
<< 1.234 << 42 << 3.13 << "str"
<< reinterpret_cast<void*>(1000) << 'X'));
}
TEST(FormatterTest, FormatInt) {
EXPECT_EQ("42", str(Format("{0}") << 42));
EXPECT_EQ("before 42 after", str(Format("before {0} after") << 42));
}
// TODO
// TODO: more tests