| 1 | //===-- Unittests for getentropy ------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "hdr/errno_macros.h" |
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| 10 | #include "src/unistd/getentropy.h" |
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| 11 | #include "test/UnitTest/ErrnoCheckingTest.h" |
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| 12 | #include "test/UnitTest/ErrnoSetterMatcher.h" |
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| 13 | #include "test/UnitTest/Test.h" |
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| 14 | |
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| 15 | using namespace LIBC_NAMESPACE::testing::ErrnoSetterMatcher; |
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| 16 | using LlvmLibcUnistdGetEntropyTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest; |
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| 17 | |
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| 18 | TEST_F(LlvmLibcUnistdGetEntropyTest, LengthTooLong) { |
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| 19 | char buf[1024]; |
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| 20 | ASSERT_THAT(LIBC_NAMESPACE::getentropy(buf, 257), Fails(EIO)); |
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| 21 | } |
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| 22 | |
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| 23 | TEST_F(LlvmLibcUnistdGetEntropyTest, SmokeTest) { |
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| 24 | char buf[256]; |
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| 25 | ASSERT_THAT(LIBC_NAMESPACE::getentropy(buf, 256), Succeeds()); |
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| 26 | } |
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| 27 | |
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| 28 | TEST_F(LlvmLibcUnistdGetEntropyTest, OtherError) { |
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| 29 | ASSERT_THAT(LIBC_NAMESPACE::getentropy(nullptr, 1), Fails(EIO)); |
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| 30 | } |
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| 31 | |
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