4c5595c968
Bug: 190084016 Test: m USE_HOST_MUSL=true bionic-unit-tests-glibc Change-Id: I56b23576cb24912112d2ae56d8ecc2e3716982fe
65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <errno.h>
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#include <gtest/gtest.h>
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// Defined in string_posix_strerror_r_wrapper.cpp as a wrapper around the posix
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// strerror_r to work around an incompatibility between libc++ (required by
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// gtest) and !_GNU_SOURCE.
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int posix_strerror_r(int errnum, char* buf, size_t buflen);
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TEST(string, posix_strerror_r) {
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char buf[256];
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// Valid.
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ASSERT_EQ(0, posix_strerror_r(0, buf, sizeof(buf)));
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#if defined(ANDROID_HOST_MUSL)
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ASSERT_STREQ("No error information", buf);
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#else
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ASSERT_STREQ("Success", buf);
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#endif
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ASSERT_EQ(0, posix_strerror_r(1, buf, sizeof(buf)));
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ASSERT_STREQ("Operation not permitted", buf);
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#if defined(__BIONIC__) || defined(ANDROID_HOST_MUSL)
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// Invalid.
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ASSERT_EQ(0, posix_strerror_r(-1, buf, sizeof(buf)));
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# if defined(__BIONIC__)
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ASSERT_STREQ("Unknown error -1", buf);
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# else
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ASSERT_STREQ("No error information", buf);
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# endif
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ASSERT_EQ(0, posix_strerror_r(1234, buf, sizeof(buf)));
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# if defined(__BIONIC__)
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ASSERT_STREQ("Unknown error 1234", buf);
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# else
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ASSERT_STREQ("No error information", buf);
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# endif
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#else
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// glibc returns EINVAL for unknown errors
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ASSERT_EQ(EINVAL, posix_strerror_r(-1, buf, sizeof(buf)));
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ASSERT_EQ(EINVAL, posix_strerror_r(1234, buf, sizeof(buf)));
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#endif
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// Buffer too small.
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errno = 0;
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memset(buf, 0, sizeof(buf));
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ASSERT_EQ(ERANGE, posix_strerror_r(EPERM, buf, 2));
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ASSERT_STREQ("O", buf);
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// POSIX strerror_r returns an error without updating errno.
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ASSERT_EQ(0, errno);
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}
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