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db936e0e91
This eliminates UnitTest's dependency on FPUtil and hence prevents non-math tests from depending indirectly on FPUtil. The patch essentially moves some of the existing pieces into a library of its own. Along the way, renamed add_math_unittest to add_fp_unittest. Reviewed By: lntue Differential Revision: https://reviews.llvm.org/D85486
93 lines
3.6 KiB
C++
93 lines
3.6 KiB
C++
//===-- TestMatchers.h ------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIBC_UTILS_FPUTIL_TEST_HELPERS_H
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#define LLVM_LIBC_UTILS_FPUTIL_TEST_HELPERS_H
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#include "FPBits.h"
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#include "utils/UnitTest/Test.h"
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namespace __llvm_libc {
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namespace fputil {
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namespace testing {
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template <typename ValType>
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cpp::EnableIfType<cpp::IsFloatingPointType<ValType>::Value, void>
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describeValue(const char *label, ValType value,
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testutils::StreamWrapper &stream);
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template <typename T, __llvm_libc::testing::TestCondition Condition>
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class FPMatcher : public __llvm_libc::testing::Matcher<T> {
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static_assert(__llvm_libc::cpp::IsFloatingPointType<T>::Value,
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"FPMatcher can only be used with floating point values.");
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static_assert(Condition == __llvm_libc::testing::Cond_EQ ||
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Condition == __llvm_libc::testing::Cond_NE,
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"Unsupported FPMathcer test condition.");
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T expected;
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T actual;
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public:
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FPMatcher(T expectedValue) : expected(expectedValue) {}
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bool match(T actualValue) {
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actual = actualValue;
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fputil::FPBits<T> actualBits(actual), expectedBits(expected);
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if (Condition == __llvm_libc::testing::Cond_EQ)
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return (actualBits.isNaN() && expectedBits.isNaN()) ||
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(actualBits.bitsAsUInt() == expectedBits.bitsAsUInt());
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// If condition == Cond_NE.
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if (actualBits.isNaN())
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return !expectedBits.isNaN();
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return expectedBits.isNaN() ||
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(actualBits.bitsAsUInt() != expectedBits.bitsAsUInt());
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}
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void explainError(testutils::StreamWrapper &stream) override {
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describeValue("Expected floating point value: ", expected, stream);
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describeValue(" Actual floating point value: ", actual, stream);
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}
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};
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template <__llvm_libc::testing::TestCondition C, typename T>
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FPMatcher<T, C> getMatcher(T expectedValue) {
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return FPMatcher<T, C>(expectedValue);
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}
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} // namespace testing
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} // namespace fputil
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} // namespace __llvm_libc
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#define EXPECT_FP_EQ(expected, actual) \
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EXPECT_THAT( \
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actual, \
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__llvm_libc::fputil::testing::getMatcher<__llvm_libc::testing::Cond_EQ>( \
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expected))
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#define ASSERT_FP_EQ(expected, actual) \
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ASSERT_THAT( \
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actual, \
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__llvm_libc::fputil::testing::getMatcher<__llvm_libc::testing::Cond_EQ>( \
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expected))
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#define EXPECT_FP_NE(expected, actual) \
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EXPECT_THAT( \
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actual, \
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__llvm_libc::fputil::testing::getMatcher<__llvm_libc::testing::Cond_NE>( \
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expected))
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#define ASSERT_FP_NE(expected, actual) \
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ASSERT_THAT( \
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actual, \
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__llvm_libc::fputil::testing::getMatcher<__llvm_libc::testing::Cond_NE>( \
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expected))
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#endif // LLVM_LIBC_UTILS_FPUTIL_TEST_HELPERS_H
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