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//===-- Unittests for feclearexcept with exceptions enabled ---------------===//
//
// 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/fenv/feclearexcept.h"
#include "src/__support/FPUtil/FEnvImpl.h"
#include "test/UnitTest/Test.h"
#include <fenv.h>
#include <stdint.h>
TEST(LlvmLibcFEnvTest, ClearTest) {
uint16_t excepts[] = {FE_DIVBYZERO, FE_INVALID, FE_INEXACT, FE_OVERFLOW,
FE_UNDERFLOW};
__llvm_libc::fputil::disable_except(FE_ALL_EXCEPT);
__llvm_libc::fputil::clear_except(FE_ALL_EXCEPT);
for (uint16_t e : excepts)
ASSERT_EQ(__llvm_libc::fputil::test_except(e), 0);
__llvm_libc::fputil::raise_except(FE_ALL_EXCEPT);
for (uint16_t e1 : excepts) {
for (uint16_t e2 : excepts) {
for (uint16_t e3 : excepts) {
for (uint16_t e4 : excepts) {
for (uint16_t e5 : excepts) {
// We clear one exception and test to verify that it was cleared.
__llvm_libc::feclearexcept(e1 | e2 | e3 | e4 | e5);
ASSERT_EQ(__llvm_libc::fputil::test_except(e1 | e2 | e3 | e4 | e5),
0);
// After clearing, we raise the exception again.
__llvm_libc::fputil::raise_except(e1 | e2 | e3 | e4 | e5);
}
}
}
}
}
}
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