| 1 | //===-- Unittests for signal ----------------------------------------------===// |
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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 "src/__support/libc_errno.h" |
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| 10 | #include "src/signal/raise.h" |
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| 11 | #include "src/signal/signal.h" |
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| 12 | |
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| 13 | #include "test/UnitTest/ErrnoSetterMatcher.h" |
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| 14 | #include "test/UnitTest/Test.h" |
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| 15 | |
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| 16 | using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails; |
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| 17 | using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds; |
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| 18 | |
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| 19 | TEST(LlvmLibcSignal, Invalid) { |
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| 20 | libc_errno = 0; |
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| 21 | auto *valid = +[](int) {}; |
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| 22 | EXPECT_THAT((void *)LIBC_NAMESPACE::signal(0, valid), |
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| 23 | Fails(EINVAL, (void *)SIG_ERR)); |
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| 24 | EXPECT_THAT((void *)LIBC_NAMESPACE::signal(65, valid), |
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| 25 | Fails(EINVAL, (void *)SIG_ERR)); |
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| 26 | } |
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| 27 | |
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| 28 | static int sum; |
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| 29 | TEST(LlvmLibcSignal, Basic) { |
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| 30 | // In case test get run multiple times. |
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| 31 | sum = 0; |
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| 32 | ASSERT_NE(LIBC_NAMESPACE::signal( |
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| 33 | SIGUSR1, +[](int) { sum++; }), |
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| 34 | SIG_ERR); |
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| 35 | ASSERT_THAT(LIBC_NAMESPACE::raise(SIGUSR1), Succeeds()); |
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| 36 | EXPECT_EQ(sum, 1); |
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| 37 | for (int i = 0; i < 10; i++) |
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| 38 | ASSERT_THAT(LIBC_NAMESPACE::raise(SIGUSR1), Succeeds()); |
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| 39 | EXPECT_EQ(sum, 11); |
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| 40 | } |
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| 41 | |
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