50 lines · cpp
1//===-- Unittests for nanf16 ----------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "hdr/signal_macros.h"10#include "src/__support/FPUtil/FPBits.h"11#include "src/math/nanf16.h"12#include "test/UnitTest/FEnvSafeTest.h"13#include "test/UnitTest/FPMatcher.h"14#include "test/UnitTest/Test.h"15 16class LlvmLibcNanf16Test : public LIBC_NAMESPACE::testing::FEnvSafeTest {17public:18 using StorageType = LIBC_NAMESPACE::fputil::FPBits<float16>::StorageType;19 20 void run_test(const char *input_str, StorageType bits) {21 float16 result = LIBC_NAMESPACE::nanf16(input_str);22 auto actual_fp = LIBC_NAMESPACE::fputil::FPBits<float16>(result);23 auto expected_fp = LIBC_NAMESPACE::fputil::FPBits<float16>(bits);24 EXPECT_EQ(actual_fp.uintval(), expected_fp.uintval());25 }26};27 28TEST_F(LlvmLibcNanf16Test, NCharSeq) {29 run_test("", 0x7e00);30 run_test("123", 0x7e7b);31 run_test("0x123", 0x7f23);32 run_test("1a", 0x7e00);33 run_test("1234567890qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM_",34 0x7e00);35 run_test("10000000000000000000000000000000000000000000000000", 0x7e00);36}37 38TEST_F(LlvmLibcNanf16Test, RandomString) {39 run_test(" 1234", 0x7e00);40 run_test("-1234", 0x7e00);41 run_test("asd&f", 0x7e00);42 run_test("123 ", 0x7e00);43}44 45#if defined(LIBC_ADD_NULL_CHECKS)46TEST_F(LlvmLibcNanf16Test, InvalidInput) {47 EXPECT_DEATH([] { LIBC_NAMESPACE::nanf16(nullptr); }, WITH_SIGNAL(-1));48}49#endif // LIBC_ADD_NULL_CHECKS50