atomic.c - mozsearch

/* -*- 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 */