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Fix handling of implicit conversion to integral types larger than int (#507)

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This commit is contained in:
Victor Zverovich 2017-05-06 10:23:20 -07:00
parent c56d345985
commit 07ed421521
2 changed files with 13 additions and 8 deletions
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11
fmt/format.h
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@ -1395,14 +1395,9 @@ class MakeValue : public Arg {
}
template <typename T>
MakeValue(const T &value,
typename EnableIf<ConvertToInt<T>::value, int>::type = 0) {
int_value = value;
}
template <typename T>
static uint64_t type(const T &) {
return ConvertToInt<T>::value ? Arg::INT : Arg::CUSTOM;
static typename EnableIf<Not<ConvertToInt<T>::value>::value, uint64_t>::type
type(const T &) {
return Arg::CUSTOM;
}
// Additional template param `Char_` is needed here because make_type always

10
test/format-test.cc
View File

@ -1234,6 +1234,16 @@ TEST(FormatterTest, FormatIntLocale) {
EXPECT_EQ("1--234--567", format("{:n}", 1234567));
}
struct ConvertibleToLongLong {
operator fmt::LongLong() const {
return fmt::LongLong(1) << 32;
}
};
TEST(FormatterTest, FormatConvertibleToLongLong) {
EXPECT_EQ("100000000", format("{:x}", ConvertibleToLongLong()));
}
TEST(FormatterTest, FormatFloat) {
EXPECT_EQ("392.500000", format("{0:f}", 392.5f));
}