Abseil Common Libraries (C++) (grcp 依赖) https://abseil.io/
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// Copyright 2017 The Abseil Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "absl/base/internal/throw_delegate.h"
#include <functional>
#include <new>
#include <stdexcept>
#include "absl/base/config.h"
#include "gtest/gtest.h"
namespace {
using absl::base_internal::ThrowStdLogicError;
using absl::base_internal::ThrowStdInvalidArgument;
using absl::base_internal::ThrowStdDomainError;
using absl::base_internal::ThrowStdLengthError;
using absl::base_internal::ThrowStdOutOfRange;
using absl::base_internal::ThrowStdRuntimeError;
using absl::base_internal::ThrowStdRangeError;
using absl::base_internal::ThrowStdOverflowError;
using absl::base_internal::ThrowStdUnderflowError;
using absl::base_internal::ThrowStdBadFunctionCall;
using absl::base_internal::ThrowStdBadAlloc;
constexpr const char* what_arg = "The quick brown fox jumps over the lazy dog";
template <typename E>
void ExpectThrowChar(void (*f)(const char*)) {
#ifdef ABSL_HAVE_EXCEPTIONS
try {
f(what_arg);
FAIL() << "Didn't throw";
} catch (const E& e) {
EXPECT_STREQ(e.what(), what_arg);
}
#else
EXPECT_DEATH_IF_SUPPORTED(f(what_arg), what_arg);
#endif
}
template <typename E>
void ExpectThrowString(void (*f)(const std::string&)) {
#ifdef ABSL_HAVE_EXCEPTIONS
try {
f(what_arg);
FAIL() << "Didn't throw";
} catch (const E& e) {
EXPECT_STREQ(e.what(), what_arg);
}
#else
EXPECT_DEATH_IF_SUPPORTED(f(what_arg), what_arg);
#endif
}
template <typename E>
void ExpectThrowNoWhat(void (*f)()) {
#ifdef ABSL_HAVE_EXCEPTIONS
try {
f();
FAIL() << "Didn't throw";
} catch (const E& e) {
}
#else
EXPECT_DEATH_IF_SUPPORTED(f(), "");
#endif
}
TEST(ThrowHelper, Test) {
// Not using EXPECT_THROW because we want to check the .what() message too.
ExpectThrowChar<std::logic_error>(ThrowStdLogicError);
ExpectThrowChar<std::invalid_argument>(ThrowStdInvalidArgument);
ExpectThrowChar<std::domain_error>(ThrowStdDomainError);
ExpectThrowChar<std::length_error>(ThrowStdLengthError);
ExpectThrowChar<std::out_of_range>(ThrowStdOutOfRange);
ExpectThrowChar<std::runtime_error>(ThrowStdRuntimeError);
ExpectThrowChar<std::range_error>(ThrowStdRangeError);
ExpectThrowChar<std::overflow_error>(ThrowStdOverflowError);
ExpectThrowChar<std::underflow_error>(ThrowStdUnderflowError);
ExpectThrowString<std::logic_error>(ThrowStdLogicError);
ExpectThrowString<std::invalid_argument>(ThrowStdInvalidArgument);
ExpectThrowString<std::domain_error>(ThrowStdDomainError);
ExpectThrowString<std::length_error>(ThrowStdLengthError);
ExpectThrowString<std::out_of_range>(ThrowStdOutOfRange);
ExpectThrowString<std::runtime_error>(ThrowStdRuntimeError);
ExpectThrowString<std::range_error>(ThrowStdRangeError);
ExpectThrowString<std::overflow_error>(ThrowStdOverflowError);
ExpectThrowString<std::underflow_error>(ThrowStdUnderflowError);
ExpectThrowNoWhat<std::bad_function_call>(ThrowStdBadFunctionCall);
ExpectThrowNoWhat<std::bad_alloc>(ThrowStdBadAlloc);
}
} // namespace