You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
108 lines
3.1 KiB
108 lines
3.1 KiB
#include "clang/AST/Type.h"
|
|
#include "llvm/ADT/APSInt.h"
|
|
#include "llvm/ADT/SmallString.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
using clang::FixedPointValueToString;
|
|
using llvm::APSInt;
|
|
using llvm::SmallString;
|
|
|
|
namespace {
|
|
|
|
TEST(FixedPointString, DifferentTypes) {
|
|
SmallString<64> S;
|
|
FixedPointValueToString(S, APSInt::get(320), 7);
|
|
ASSERT_STREQ(S.c_str(), "2.5");
|
|
|
|
S.clear();
|
|
FixedPointValueToString(S, APSInt::get(0), 7);
|
|
ASSERT_STREQ(S.c_str(), "0.0");
|
|
|
|
// signed short _Accum
|
|
S.clear();
|
|
FixedPointValueToString(S, APSInt::getMaxValue(16, /*Unsigned=*/false), 7);
|
|
ASSERT_STREQ(S.c_str(), "255.9921875");
|
|
|
|
// signed _Accum
|
|
S.clear();
|
|
FixedPointValueToString(S, APSInt::getMaxValue(32, /*Unsigned=*/false), 15);
|
|
ASSERT_STREQ(S.c_str(), "65535.999969482421875");
|
|
|
|
// signed long _Accum
|
|
S.clear();
|
|
FixedPointValueToString(S, APSInt::getMaxValue(64, /*Unsigned=*/false), 31);
|
|
ASSERT_STREQ(S.c_str(), "4294967295.9999999995343387126922607421875");
|
|
|
|
// unsigned short _Accum
|
|
S.clear();
|
|
FixedPointValueToString(S, APSInt::getMaxValue(16, /*Unsigned=*/true), 8);
|
|
ASSERT_STREQ(S.c_str(), "255.99609375");
|
|
|
|
// unsigned _Accum
|
|
S.clear();
|
|
FixedPointValueToString(S, APSInt::getMaxValue(32, /*Unsigned=*/true), 16);
|
|
ASSERT_STREQ(S.c_str(), "65535.9999847412109375");
|
|
|
|
// unsigned long _Accum
|
|
S.clear();
|
|
FixedPointValueToString(S, APSInt::getMaxValue(64, /*Unsigned=*/true), 32);
|
|
ASSERT_STREQ(S.c_str(), "4294967295.99999999976716935634613037109375");
|
|
|
|
// signed short _Fract
|
|
S.clear();
|
|
FixedPointValueToString(S, APSInt::getMaxValue(8, /*Unsigned=*/false), 7);
|
|
ASSERT_STREQ(S.c_str(), "0.9921875");
|
|
|
|
// signed _Fract
|
|
S.clear();
|
|
FixedPointValueToString(S, APSInt::getMaxValue(16, /*Unsigned=*/false), 15);
|
|
ASSERT_STREQ(S.c_str(), "0.999969482421875");
|
|
|
|
// signed long _Fract
|
|
S.clear();
|
|
FixedPointValueToString(S, APSInt::getMaxValue(32, /*Unsigned=*/false), 31);
|
|
ASSERT_STREQ(S.c_str(), "0.9999999995343387126922607421875");
|
|
|
|
// unsigned short _Fract
|
|
S.clear();
|
|
FixedPointValueToString(S, APSInt::getMaxValue(8, /*Unsigned=*/true), 8);
|
|
ASSERT_STREQ(S.c_str(), "0.99609375");
|
|
|
|
// unsigned _Fract
|
|
S.clear();
|
|
FixedPointValueToString(S, APSInt::getMaxValue(16, /*Unsigned=*/true), 16);
|
|
ASSERT_STREQ(S.c_str(), "0.9999847412109375");
|
|
|
|
// unsigned long _Fract
|
|
S.clear();
|
|
FixedPointValueToString(S, APSInt::getMaxValue(32, /*Unsigned=*/true), 32);
|
|
ASSERT_STREQ(S.c_str(), "0.99999999976716935634613037109375");
|
|
}
|
|
|
|
TEST(FixedPointString, Negative) {
|
|
SmallString<64> S;
|
|
FixedPointValueToString(S, APSInt::get(-320), 7);
|
|
ASSERT_STREQ(S.c_str(), "-2.5");
|
|
|
|
S.clear();
|
|
FixedPointValueToString(S, APSInt::get(-64), 7);
|
|
ASSERT_STREQ(S.c_str(), "-0.5");
|
|
|
|
// signed short _Accum
|
|
S.clear();
|
|
FixedPointValueToString(S, APSInt::getMinValue(16, /*Unsigned=*/false), 7);
|
|
ASSERT_STREQ(S.c_str(), "-256.0");
|
|
|
|
// signed _Accum
|
|
S.clear();
|
|
FixedPointValueToString(S, APSInt::getMinValue(32, /*Unsigned=*/false), 15);
|
|
ASSERT_STREQ(S.c_str(), "-65536.0");
|
|
|
|
// signed long _Accum
|
|
S.clear();
|
|
FixedPointValueToString(S, APSInt::getMinValue(64, /*Unsigned=*/false), 31);
|
|
ASSERT_STREQ(S.c_str(), "-4294967296.0");
|
|
}
|
|
|
|
} // namespace
|