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Test and correct handling of the width specifier.

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This commit is contained in:
Victor Zverovich
2012-12-09 11:32:39 -08:00
parent 8b60a804ba
commit 095b43a8f0
3 changed files with 97 additions and 65 deletions
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format_test.cc
+57 -23
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@@ -66,12 +66,12 @@ class TestString {
}
};
TEST(FormatterTest, FormatNoArgs) {
TEST(FormatterTest, NoArgs) {
EXPECT_EQ("abracadabra", str(Format("{0}{1}{0}") << "abra" << "cad"));
EXPECT_EQ("test", str(Format("test")));
}
TEST(FormatterTest, FormatArgs) {
TEST(FormatterTest, Args) {
EXPECT_EQ("42", str(Format("{0}") << 42));
EXPECT_EQ("before 42", str(Format("before {0}") << 42));
EXPECT_EQ("42 after", str(Format("{0} after") << 42));
@@ -81,7 +81,7 @@ TEST(FormatterTest, FormatArgs) {
EXPECT_EQ("abracadabra", str(Format("{0}{1}{0}") << "abra" << "cad"));
}
TEST(FormatterTest, FormatArgErrors) {
TEST(FormatterTest, ArgErrors) {
EXPECT_THROW_MSG(Format("{"), FormatError, "unmatched '{' in format");
EXPECT_THROW_MSG(Format("{}"), FormatError,
"missing argument index in format string");
@@ -109,57 +109,87 @@ TEST(FormatterTest, FormatArgErrors) {
}
}
TEST(FormatterTest, FormatPlusFlag) {
TEST(FormatterTest, EmptySpecs) {
EXPECT_EQ("42", str(Format("{0:}") << 42));
}
TEST(FormatterTest, PlusFlag) {
EXPECT_EQ("+42", str(Format("{0:+}") << 42));
EXPECT_EQ("-42", str(Format("{0:+}") << -42));
EXPECT_THROW_MSG(Format("{0:+") << 'c',
FormatError, "unmatched '{' in format");
EXPECT_THROW_MSG(Format("{0:+}") << 'c',
FormatError, "format specifier '+' used with non-numeric type");
EXPECT_EQ("+42", str(Format("{0:+}") << 42));
EXPECT_EQ("+42", str(Format("{0:+}") << 42u));
EXPECT_EQ("+42", str(Format("{0:+}") << 42l));
EXPECT_EQ("+42", str(Format("{0:+}") << 42ul));
EXPECT_EQ("+42", str(Format("{0:+}") << 42.0));
EXPECT_EQ("+42", str(Format("{0:+}") << 42.0l));
EXPECT_EQ("+0x42",
str(Format("{0:+}") << reinterpret_cast<void*>(0x42)));
EXPECT_THROW_MSG(Format("{0:+") << 'c',
FormatError, "unmatched '{' in format");
EXPECT_THROW_MSG(Format("{0:+}") << 'c',
FormatError, "format specifier '+' used with non-numeric type");
EXPECT_THROW_MSG(Format("{0:+}") << "abc",
FormatError, "format specifier '+' used with non-numeric type");
EXPECT_THROW_MSG(Format("{0:+}") << L"abc",
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:+}") << TestString(),
FormatError, "format specifier '+' used with non-numeric type");
}
TEST(FormatterTest, FormatZeroFlag) {
TEST(FormatterTest, ZeroFlag) {
EXPECT_EQ("42", str(Format("{0:0}") << 42));
EXPECT_THROW_MSG(Format("{0:0") << 'c',
FormatError, "unmatched '{' in format");
EXPECT_THROW_MSG(Format("{0:05}") << 'c',
FormatError, "format specifier '0' used with non-numeric type");
EXPECT_EQ("-0042", str(Format("{0:05}") << -42));
EXPECT_EQ("00042", str(Format("{0:05}") << 42u));
EXPECT_EQ("-0042", str(Format("{0:05}") << -42l));
EXPECT_EQ("00042", str(Format("{0:05}") << 42ul));
EXPECT_EQ("-0042", str(Format("{0:05}") << -42.0));
EXPECT_EQ("-0042", str(Format("{0:05}") << -42.0l));
EXPECT_EQ("0x0042",
str(Format("{0:06}") << reinterpret_cast<void*>(0x42)));
EXPECT_THROW_MSG(Format("{0:0") << 'c',
FormatError, "unmatched '{' in format");
EXPECT_THROW_MSG(Format("{0:05}") << 'c',
FormatError, "format specifier '0' used with non-numeric type");
EXPECT_THROW_MSG(Format("{0:05}") << "abc",
FormatError, "format specifier '0' used with non-numeric type");
EXPECT_THROW_MSG(Format("{0:05}") << L"abc",
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}") << TestString(),
FormatError, "format specifier '0' used with non-numeric type");
}
TEST(FormatterTest, FormatWidth) {
// TODO
}
TEST(FormatterTest, FormatChar) {
EXPECT_EQ("a*b", str(Format("{0}{1}{2}") << 'a' << '*' << 'b'));
TEST(FormatterTest, Width) {
char format[256];
if (ULONG_MAX > UINT_MAX) {
std::sprintf(format, "{0:%lu", INT_MAX + 1l);
EXPECT_THROW_MSG(Format(format), FormatError, "unmatched '{' in format");
std::sprintf(format, "{0:%lu}", UINT_MAX + 1l);
EXPECT_THROW_MSG(Format(format) << 0,
FormatError, "number is too big in format");
} else {
std::sprintf(format, "{0:%u0", UINT_MAX);
EXPECT_THROW_MSG(Format(format), FormatError, "unmatched '{' in format");
std::sprintf(format, "{0:%u0}", UINT_MAX);
EXPECT_THROW_MSG(Format(format) << 0,
FormatError, "number is too big in format");
}
std::sprintf(format, "{0:%u", INT_MAX + 1u);
EXPECT_THROW_MSG(Format(format), FormatError, "unmatched '{' in format");
std::sprintf(format, "{0:%u}", INT_MAX + 1u);
EXPECT_THROW_MSG(Format(format) << 0,
FormatError, "number is too big in format");
EXPECT_EQ(" -42", str(Format("{0:4}") << -42));
EXPECT_EQ(" 42", str(Format("{0:5}") << 42u));
EXPECT_EQ(" -42", str(Format("{0:6}") << -42l));
EXPECT_EQ(" 42", str(Format("{0:7}") << 42lu));
EXPECT_EQ(" -1.23", str(Format("{0:8}") << -1.23));
EXPECT_EQ(" -1.23", str(Format("{0:9}") << -1.23l));
EXPECT_EQ(" 0xcafe",
str(Format("{0:10}") << reinterpret_cast<void*>(0xcafe)));
EXPECT_EQ("x ", str(Format("{0:11}") << 'x'));
EXPECT_EQ("narrow ", str(Format("{0:12}") << "narrow"));
EXPECT_EQ("wide ", str(Format("{0:13}") << L"wide"));
EXPECT_EQ("test ", str(Format("{0:14}") << TestString("test")));
}
TEST(FormatterTest, FormatInt) {
@@ -173,6 +203,10 @@ TEST(FormatterTest, FormatInt) {
EXPECT_EQ(os.str(), str(Format("{0}") << INT_MAX));
}
TEST(FormatterTest, FormatChar) {
EXPECT_EQ("a*b", str(Format("{0}{1}{2}") << 'a' << '*' << 'b'));
}
TEST(FormatterTest, FormatString) {
EXPECT_EQ("test", str(Format("{0}") << std::string("test")));
}