1//===-- Unittests for pthread_rwlockattr_t --------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "include/llvm-libc-macros/generic-error-number-macros.h" // EINVAL
10#include "src/pthread/pthread_rwlockattr_destroy.h"
11#include "src/pthread/pthread_rwlockattr_getkind_np.h"
12#include "src/pthread/pthread_rwlockattr_getpshared.h"
13#include "src/pthread/pthread_rwlockattr_init.h"
14#include "src/pthread/pthread_rwlockattr_setkind_np.h"
15#include "src/pthread/pthread_rwlockattr_setpshared.h"
16#include "test/UnitTest/Test.h"
17
18// TODO: https://github.com/llvm/llvm-project/issues/88997
19#include <pthread.h> // PTHREAD_PROCESS_PRIVATE, PTHREAD_PROCESS_SHARED
20
21TEST(LlvmLibcPThreadRWLockAttrTest, InitAndDestroy) {
22 pthread_rwlockattr_t attr;
23 ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_init(&attr), 0);
24 ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_destroy(&attr), 0);
25}
26
27TEST(LlvmLibcPThreadRWLockAttrTest, GetDefaultValues) {
28 pthread_rwlockattr_t attr;
29
30 // Invalid values.
31 int pshared = 42;
32 int pref = 1337;
33
34 ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_init(&attr), 0);
35 ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_getpshared(&attr, &pshared), 0);
36 ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_getkind_np(&attr, &pref), 0);
37
38 ASSERT_EQ(pshared, PTHREAD_PROCESS_PRIVATE);
39 ASSERT_EQ(pref, PTHREAD_RWLOCK_PREFER_READER_NP);
40
41 ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_destroy(&attr), 0);
42}
43
44TEST(LlvmLibcPThreadRWLockAttrTest, SetGoodValues) {
45 pthread_rwlockattr_t attr;
46
47 // Invalid values.
48 int pshared = 42;
49 int pref = 1337;
50
51 ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_init(&attr), 0);
52 ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_setpshared(
53 &attr, PTHREAD_PROCESS_SHARED),
54 0);
55 ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_setkind_np(
56 &attr, PTHREAD_RWLOCK_PREFER_WRITER_NP),
57 0);
58
59 ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_getpshared(&attr, &pshared), 0);
60 ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_getkind_np(&attr, &pref), 0);
61
62 ASSERT_EQ(pshared, PTHREAD_PROCESS_SHARED);
63 ASSERT_EQ(pref, PTHREAD_RWLOCK_PREFER_WRITER_NP);
64
65 ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_destroy(&attr), 0);
66}
67
68TEST(LlvmLibcPThreadRWLockAttrTest, SetBadValues) {
69 pthread_rwlockattr_t attr;
70
71 // Invalid values.
72 int pshared = 42;
73 int pref = 1337;
74
75 ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_init(&attr), 0);
76 ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_setpshared(&attr, pshared),
77 EINVAL);
78 ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_setkind_np(&attr, pref), EINVAL);
79
80 ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_getpshared(&attr, &pshared), 0);
81 ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_getkind_np(&attr, &pref), 0);
82
83 ASSERT_EQ(pshared, PTHREAD_PROCESS_PRIVATE);
84 ASSERT_EQ(pref, PTHREAD_RWLOCK_PREFER_READER_NP);
85
86 ASSERT_EQ(LIBC_NAMESPACE::pthread_rwlockattr_destroy(&attr), 0);
87}
88

source code of libc/test/src/pthread/pthread_rwlockattr_test.cpp