diff options
Diffstat (limited to '')
| -rw-r--r-- | nsprpub/pr/tests/atomic.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/atomic.c b/nsprpub/pr/tests/atomic.c new file mode 100644 index 0000000000..42d25da8df --- /dev/null +++ b/nsprpub/pr/tests/atomic.c @@ -0,0 +1,183 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "prio.h" +#include "prprf.h" +#include "pratom.h" + +/* + * TODO: create a macro to generate the six lines of code that are repeated + * for every test. Also rewrite the statement + * result = result | ((EXPRESSION) ? 0 : 1); + * as + * result |= !(EXPRESSION); + */ + +int main(int argc, char **argv) +{ + PRInt32 rv, oldval, test, result = 0; + PRFileDesc *output = PR_GetSpecialFD(PR_StandardOutput); + + /***********************/ + /* Test the functions. */ + /***********************/ + + oldval = test = -2; + rv = PR_AtomicIncrement(&test); + result = result | ((rv == -1) ? 0 : 1); + PR_fprintf( + output, "PR_AtomicIncrement(%d) == %d: %s\n", + oldval, rv, (rv == -1) ? "PASSED" : "FAILED"); + oldval = test; + rv = PR_AtomicIncrement(&test); + result = result | ((rv == 0) ? 0 : 1); + PR_fprintf( + output, "PR_AtomicIncrement(%d) == %d: %s\n", + oldval, rv, (rv == 0) ? "PASSED" : "FAILED"); + oldval = test; + rv = PR_AtomicIncrement(&test); + result = result | ((rv == 1) ? 0 : 1); + PR_fprintf( + output, "PR_AtomicIncrement(%d) == %d: %s\n", + oldval, rv, (rv == 1) ? "PASSED" : "FAILED"); + + oldval = test = -2; + rv = PR_AtomicAdd(&test,1); + result = result | ((rv == -1) ? 0 : 1); + PR_fprintf( + output, "PR_AtomicAdd(%d,%d) == %d: %s\n", + oldval, 1, rv, (rv == -1) ? "PASSED" : "FAILED"); + oldval = test; + rv = PR_AtomicAdd(&test, 4); + result = result | ((rv == 3) ? 0 : 1); + PR_fprintf( + output, "PR_AtomicAdd(%d,%d) == %d: %s\n", + oldval, 4, rv, (rv == 3) ? "PASSED" : "FAILED"); + oldval = test; + rv = PR_AtomicAdd(&test, -6); + result = result | ((rv == -3) ? 0 : 1); + PR_fprintf( + output, "PR_AtomicAdd(%d,%d) == %d: %s\n", + oldval, -6, rv, (rv == -3) ? "PASSED" : "FAILED"); + + oldval = test = 2; + rv = PR_AtomicDecrement(&test); + result = result | ((rv == 1) ? 0 : 1); + PR_fprintf( + output, "PR_AtomicDecrement(%d) == %d: %s\n", + oldval, rv, (rv == 1) ? "PASSED" : "FAILED"); + oldval = test; + rv = PR_AtomicDecrement(&test); + result = result | ((rv == 0) ? 0 : 1); + PR_fprintf( + output, "PR_AtomicDecrement(%d) == %d: %s\n", + oldval, rv, (rv == 0) ? "PASSED" : "FAILED"); + oldval = test; + rv = PR_AtomicDecrement(&test); + result = result | ((rv == -1) ? 0 : 1); + PR_fprintf( + output, "PR_AtomicDecrement(%d) == %d: %s\n", + oldval, rv, (rv == -1) ? "PASSED" : "FAILED"); + + /* set to a different value */ + oldval = test = -2; + rv = PR_AtomicSet(&test, 2); + result = result | (((rv == -2) && (test == 2)) ? 0 : 1); + PR_fprintf( + output, "PR_AtomicSet(%d, %d) == %d: %s\n", + oldval, 2, rv, ((rv == -2) && (test == 2)) ? "PASSED" : "FAILED"); + + /* set to the same value */ + oldval = test = -2; + rv = PR_AtomicSet(&test, -2); + result = result | (((rv == -2) && (test == -2)) ? 0 : 1); + PR_fprintf( + output, "PR_AtomicSet(%d, %d) == %d: %s\n", + oldval, -2, rv, ((rv == -2) && (test == -2)) ? "PASSED" : "FAILED"); + + /***********************/ + /* Test the macros. */ + /***********************/ + + oldval = test = -2; + rv = PR_ATOMIC_INCREMENT(&test); + result = result | ((rv == -1) ? 0 : 1); + PR_fprintf( + output, "PR_ATOMIC_INCREMENT(%d) == %d: %s\n", + oldval, rv, (rv == -1) ? "PASSED" : "FAILED"); + oldval = test; + rv = PR_ATOMIC_INCREMENT(&test); + result = result | ((rv == 0) ? 0 : 1); + PR_fprintf( + output, "PR_ATOMIC_INCREMENT(%d) == %d: %s\n", + oldval, rv, (rv == 0) ? "PASSED" : "FAILED"); + oldval = test; + rv = PR_ATOMIC_INCREMENT(&test); + result = result | ((rv == 1) ? 0 : 1); + PR_fprintf( + output, "PR_ATOMIC_INCREMENT(%d) == %d: %s\n", + oldval, rv, (rv == 1) ? "PASSED" : "FAILED"); + + oldval = test = -2; + rv = PR_ATOMIC_ADD(&test,1); + result = result | ((rv == -1) ? 0 : 1); + PR_fprintf( + output, "PR_ATOMIC_ADD(%d,%d) == %d: %s\n", + oldval, 1, rv, (rv == -1) ? "PASSED" : "FAILED"); + oldval = test; + rv = PR_ATOMIC_ADD(&test, 4); + result = result | ((rv == 3) ? 0 : 1); + PR_fprintf( + output, "PR_ATOMIC_ADD(%d,%d) == %d: %s\n", + oldval, 4, rv, (rv == 3) ? "PASSED" : "FAILED"); + oldval = test; + rv = PR_ATOMIC_ADD(&test, -6); + result = result | ((rv == -3) ? 0 : 1); + PR_fprintf( + output, "PR_ATOMIC_ADD(%d,%d) == %d: %s\n", + oldval, -6, rv, (rv == -3) ? "PASSED" : "FAILED"); + + oldval = test = 2; + rv = PR_ATOMIC_DECREMENT(&test); + result = result | ((rv == 1) ? 0 : 1); + PR_fprintf( + output, "PR_ATOMIC_DECREMENT(%d) == %d: %s\n", + oldval, rv, (rv == 1) ? "PASSED" : "FAILED"); + oldval = test; + rv = PR_ATOMIC_DECREMENT(&test); + result = result | ((rv == 0) ? 0 : 1); + PR_fprintf( + output, "PR_ATOMIC_DECREMENT(%d) == %d: %s\n", + oldval, rv, (rv == 0) ? "PASSED" : "FAILED"); + oldval = test; + rv = PR_ATOMIC_DECREMENT(&test); + result = result | ((rv == -1) ? 0 : 1); + PR_fprintf( + output, "PR_ATOMIC_DECREMENT(%d) == %d: %s\n", + oldval, rv, (rv == -1) ? "PASSED" : "FAILED"); + + /* set to a different value */ + oldval = test = -2; + rv = PR_ATOMIC_SET(&test, 2); + result = result | (((rv == -2) && (test == 2)) ? 0 : 1); + PR_fprintf( + output, "PR_ATOMIC_SET(%d, %d) == %d: %s\n", + oldval, 2, rv, ((rv == -2) && (test == 2)) ? "PASSED" : "FAILED"); + + /* set to the same value */ + oldval = test = -2; + rv = PR_ATOMIC_SET(&test, -2); + result = result | (((rv == -2) && (test == -2)) ? 0 : 1); + PR_fprintf( + output, "PR_ATOMIC_SET(%d, %d) == %d: %s\n", + oldval, -2, rv, ((rv == -2) && (test == -2)) ? "PASSED" : "FAILED"); + + PR_fprintf( + output, "Atomic operations test %s\n", + (result == 0) ? "PASSED" : "FAILED"); + return result; +} /* main */ + +/* atomic.c */ |