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Test 'l' specifier.

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This commit is contained in:
Victor Zverovich 2014-08-12 08:15:39 -07:00
parent 7c14431211
commit 5614295aa1
1 changed files with 22 additions and 8 deletions
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30
test/printf-test.cc
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@ -289,15 +289,29 @@ SPECIALIZE_MAKE_SIGNED(fmt::ULongLong, fmt::LongLong);
template <typename T, typename U>
void TestLength(const char *length_spec, U value) {
fmt::LongLong signed_value = value;
fmt::ULongLong unsigned_value = value;
// Apply integer promotion to the argument.
U max = std::numeric_limits<U>::max();
if (max <= std::numeric_limits<int>::max()) {
signed_value = static_cast<int>(value);
unsigned_value = static_cast<int>(value);
} else if (max <= std::numeric_limits<unsigned>::max()) {
signed_value = static_cast<unsigned>(value);
unsigned_value = static_cast<unsigned>(value);
}
using fmt::internal::MakeUnsigned;
if (sizeof(U) <= sizeof(int) && sizeof(int) < sizeof(T)) {
signed_value = unsigned_value =
static_cast<typename MakeUnsigned<unsigned>::Type>(value);
} else {
signed_value = static_cast<typename MakeSigned<T>::Type>(value);
unsigned_value = static_cast<typename MakeUnsigned<T>::Type>(value);
}
std::ostringstream os;
// Use LongLong instead of T, because std::ostream prints signed char as
// a character, not a number.
os << static_cast<fmt::LongLong>(
static_cast<typename MakeSigned<T>::Type>(value));
os << signed_value;
EXPECT_PRINTF(os.str(), fmt::format("%{}d", length_spec), value);
EXPECT_PRINTF(os.str(), fmt::format("%{}i", length_spec), value);
fmt::ULongLong unsigned_value =
static_cast<typename fmt::internal::MakeUnsigned<T>::Type>(value);
os.str("");
os << unsigned_value;
EXPECT_PRINTF(os.str(), fmt::format("%{}u", length_spec), value);
@ -339,8 +353,8 @@ TEST(PrintfTest, Length) {
TestLength<unsigned char>("hh");
TestLength<short>("h");
TestLength<unsigned short>("h");
//TestLength<long>("l");
//TestLength<unsigned long>("l");
TestLength<long>("l");
TestLength<unsigned long>("l");
// TODO: more tests
//EXPECT_EQ("-1", sprintf_int<unsigned char>("%hhd", UCHAR_MAX));
//EXPECT_EQ("255", sprintf_int<unsigned char>("%hhu", UCHAR_MAX));