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64 lines
2.0 KiB
64 lines
2.0 KiB
/* |
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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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#undef _GNU_SOURCE |
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#include <features.h> // Get __BIONIC__ or __GLIBC__ so we can tell what we're using. |
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#if defined(__GLIBC__) |
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// At the time of writing, libcxx -- which is dragged in by gtest -- assumes |
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// declarations from glibc of things that aren't available without _GNU_SOURCE. |
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// This means we can't even build this test (which is a problem because that |
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// means it doesn't get included in CTS). |
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// For glibc 2.15, the symbols in question are: |
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// at_quick_exit, quick_exit, vasprintf, strtoll_l, strtoull_l, and strtold_l. |
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# if __GLIBC_PREREQ(2, 19) |
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# error check whether we can build this now... |
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# endif |
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#else |
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#include <string.h> |
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#include <errno.h> |
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#include <gtest/gtest.h> |
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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, strerror_r(0, buf, sizeof(buf))); |
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ASSERT_STREQ("Success", buf); |
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ASSERT_EQ(0, strerror_r(1, buf, sizeof(buf))); |
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ASSERT_STREQ("Operation not permitted", buf); |
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// Invalid. |
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ASSERT_EQ(0, strerror_r(-1, buf, sizeof(buf))); |
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ASSERT_STREQ("Unknown error -1", buf); |
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ASSERT_EQ(0, strerror_r(1234, buf, sizeof(buf))); |
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ASSERT_STREQ("Unknown error 1234", buf); |
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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(-1, strerror_r(4567, buf, 2)); |
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ASSERT_STREQ("U", buf); |
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// The POSIX strerror_r sets errno to ERANGE (the GNU one doesn't). |
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ASSERT_EQ(ERANGE, errno); |
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} |
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#endif
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