blob: 635d20ff117b249c2c18ef63addfbb50b120f352 [file] [log] [blame]
/*
* Copyright 2015 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/Exception.h>
#include <cstdio>
#include <memory>
#include <glog/logging.h>
#include <gtest/gtest.h>
namespace folly { namespace test {
#define EXPECT_SYSTEM_ERROR(statement, err, msg) \
try { \
statement; \
ADD_FAILURE() << "Didn't throw"; \
} catch (const std::system_error& e) { \
std::system_error expected(err, std::system_category(), msg); \
EXPECT_STREQ(expected.what(), e.what()); \
} catch (...) { \
ADD_FAILURE() << "Threw a different type"; \
}
TEST(ExceptionTest, Simple) {
// Make sure errno isn't used when we don't want it to, set it to something
// else than what we set when we call Explicit functions
errno = ERANGE;
EXPECT_SYSTEM_ERROR({throwSystemErrorExplicit(EIO, "hello");},
EIO, "hello");
errno = ERANGE;
EXPECT_SYSTEM_ERROR({throwSystemErrorExplicit(EIO, "hello", " world");},
EIO, "hello world");
errno = ERANGE;
EXPECT_SYSTEM_ERROR({throwSystemError("hello", " world");},
ERANGE, "hello world");
EXPECT_NO_THROW({checkPosixError(0, "hello", " world");});
errno = ERANGE;
EXPECT_SYSTEM_ERROR({checkPosixError(EIO, "hello", " world");},
EIO, "hello world");
EXPECT_NO_THROW({checkKernelError(0, "hello", " world");});
EXPECT_NO_THROW({checkKernelError(EIO, "hello", " world");});
errno = ERANGE;
EXPECT_SYSTEM_ERROR({checkKernelError(-EIO, "hello", " world");},
EIO, "hello world");
EXPECT_NO_THROW({checkUnixError(0, "hello", " world");});
EXPECT_NO_THROW({checkUnixError(1, "hello", " world");});
errno = ERANGE;
EXPECT_SYSTEM_ERROR({checkUnixError(-1, "hello", " world");},
ERANGE, "hello world");
EXPECT_NO_THROW({checkUnixErrorExplicit(0, EIO, "hello", " world");});
EXPECT_NO_THROW({checkUnixErrorExplicit(1, EIO, "hello", " world");});
errno = ERANGE;
EXPECT_SYSTEM_ERROR({checkUnixErrorExplicit(-1, EIO, "hello", " world");},
EIO, "hello world");
std::shared_ptr<FILE> fp(tmpfile(), fclose);
ASSERT_TRUE(fp != nullptr);
EXPECT_NO_THROW({checkFopenError(fp.get(), "hello", " world");});
errno = ERANGE;
EXPECT_SYSTEM_ERROR({checkFopenError(nullptr, "hello", " world");},
ERANGE, "hello world");
EXPECT_NO_THROW({checkFopenErrorExplicit(fp.get(), EIO, "hello", " world");});
errno = ERANGE;
EXPECT_SYSTEM_ERROR({checkFopenErrorExplicit(nullptr, EIO,
"hello", " world");},
EIO, "hello world");
}
}} // namespaces
int main(int argc, char *argv[]) {
testing::InitGoogleTest(&argc, argv);
gflags::ParseCommandLineFlags(&argc, &argv, true);
return RUN_ALL_TESTS();
}