Commit b1da501d authored by Yedidya Feldblum's avatar Yedidya Feldblum Committed by Facebook Github Bot

Tests for throw_exception

Summary:
[Folly] Tests for `throw_exception`.

Currently, only for platforms with exceptions.

Reviewed By: andrewjcg

Differential Revision: D7319127

fbshipit-source-id: 689cf68d45619eddbbda6a4c36226fc7695c1243
parent c84a82a6
/*
* Copyright 2018-present Facebook, Inc.
*
* 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
*
* http://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 <folly/lang/Exception.h>
#include <folly/portability/GTest.h>
namespace {
class MyException : public std::exception {
private:
char const* what_;
public:
explicit MyException(char const* what) : MyException(what, 0) {}
MyException(char const* what, std::size_t strip) : what_(what + strip) {}
char const* what() const noexcept override {
return what_;
}
};
} // namespace
class ThrowExceptionTest : public testing::Test {};
TEST_F(ThrowExceptionTest, example) {
try {
folly::throw_exception<MyException>("hello world"); // 1-arg form
ADD_FAILURE();
} catch (MyException const& ex) {
EXPECT_STREQ("hello world", ex.what());
}
try {
folly::throw_exception<MyException>("hello world", 6); // 2-arg form
ADD_FAILURE();
} catch (MyException const& ex) {
EXPECT_STREQ("world", ex.what());
}
}
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