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Use overloaded operator<< for enums if available (#232)

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vitaut
2015-11-24 08:18:19 -08:00
parent 1a2a333a1a
commit 6cff6d8137
3 changed files with 69 additions and 20 deletions
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14
test/util-test.cc
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@@ -870,15 +870,21 @@ TEST(UtilTest, ReportWindowsError) {
#endif // _WIN32
TEST(UtilTest, IsConvertibleToInt) {
EXPECT_TRUE(fmt::internal::IsConvertibleToInt<char>::value);
EXPECT_FALSE(fmt::internal::IsConvertibleToInt<const char *>::value);
enum TestEnum2 {};
enum TestEnum3 {};
std::ostream &operator<<(std::ostream &, TestEnum3);
TEST(UtilTest, ConvertToInt) {
EXPECT_TRUE(fmt::internal::ConvertToInt<char>::enable_conversion);
EXPECT_FALSE(fmt::internal::ConvertToInt<const char *>::enable_conversion);
EXPECT_TRUE(fmt::internal::ConvertToInt<TestEnum2>::value);
EXPECT_FALSE(fmt::internal::ConvertToInt<TestEnum3>::value);
}
#if FMT_USE_ENUM_BASE
enum TestEnum : char {TestValue};
TEST(UtilTest, IsEnumConvertibleToInt) {
EXPECT_TRUE(fmt::internal::IsConvertibleToInt<TestEnum>::value);
EXPECT_TRUE(fmt::internal::ConvertToInt<TestEnum>::enable_conversion);
}
#endif