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Implement minus flag.

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This commit is contained in:
Victor Zverovich
2012-12-25 13:25:14 -08:00
parent d96337914f
commit 0a138ad865
3 changed files with 65 additions and 36 deletions
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format_test.cc
+24 -1
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@@ -356,7 +356,7 @@ TEST(FormatterTest, Fill) {
EXPECT_EQ("def**", str(Format("{0:*<5}") << TestString("def")));
}
TEST(FormatterTest, PlusFlag) {
TEST(FormatterTest, PlusSign) {
EXPECT_EQ("+42", str(Format("{0:+}") << 42));
EXPECT_EQ("-42", str(Format("{0:+}") << -42));
EXPECT_EQ("+42", str(Format("{0:+}") << 42));
@@ -379,6 +379,29 @@ TEST(FormatterTest, PlusFlag) {
FormatError, "format specifier '+' requires numeric argument");
}
TEST(FormatterTest, MinusSign) {
EXPECT_EQ("42", str(Format("{0:-}") << 42));
EXPECT_EQ("-42", str(Format("{0:-}") << -42));
EXPECT_EQ("42", str(Format("{0:-}") << 42));
EXPECT_THROW_MSG(Format("{0:-}") << 42u,
FormatError, "format specifier '-' requires signed argument");
EXPECT_EQ("42", str(Format("{0:-}") << 42l));
EXPECT_THROW_MSG(Format("{0:-}") << 42ul,
FormatError, "format specifier '-' requires signed argument");
EXPECT_EQ("42", str(Format("{0:-}") << 42.0));
EXPECT_EQ("42", str(Format("{0:-}") << 42.0l));
EXPECT_THROW_MSG(Format("{0:-") << 'c',
FormatError, "unmatched '{' in format");
EXPECT_THROW_MSG(Format("{0:-}") << 'c',
FormatError, "format specifier '-' requires numeric argument");
EXPECT_THROW_MSG(Format("{0:-}") << "abc",
FormatError, "format specifier '-' requires numeric argument");
EXPECT_THROW_MSG(Format("{0:-}") << reinterpret_cast<void*>(0x42),
FormatError, "format specifier '-' requires numeric argument");
EXPECT_THROW_MSG(Format("{0:-}") << TestString(),
FormatError, "format specifier '-' requires numeric argument");
}
TEST(FormatterTest, ZeroFlag) {
EXPECT_EQ("42", str(Format("{0:0}") << 42));
EXPECT_EQ("-0042", str(Format("{0:05}") << -42));