//===-- Unittests for atof ------------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include "src/__support/FPUtil/FPBits.h" #include "src/errno/libc_errno.h" #include "src/stdlib/atof.h" #include "test/UnitTest/ErrnoSetterMatcher.h" #include "test/UnitTest/Test.h" #include using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds; // This is just a simple test to make sure that this function works at all. It's // functionally identical to strtod so the bulk of the testing is there. TEST(LlvmLibcAToFTest, SimpleTest) { LIBC_NAMESPACE::fputil::FPBits expected_fp = LIBC_NAMESPACE::fputil::FPBits(uint64_t(0x405ec00000000000)); LIBC_NAMESPACE::libc_errno = 0; EXPECT_THAT(LIBC_NAMESPACE::atof("123"), Succeeds(expected_fp.get_val())); } TEST(LlvmLibcAToFTest, FailedParsingTest) { LIBC_NAMESPACE::libc_errno = 0; // atof does not flag errors. EXPECT_THAT(LIBC_NAMESPACE::atof("???"), Succeeds(0.0)); }