OSX/utilities/Regressions/su-05-cfwrappers.c

   1 /*
   2  * Copyright (c) 2013-2014 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24
  25 #include <utilities/SecCFRelease.h>
  26 #include <utilities/SecCFWrappers.h>
  27 #include <utilities/SecIOFormat.h>
  28
  29 #include "utilities_regressions.h"
  30
  31 #define kCFWrappersTestCount 25
  32
  33 static CFDataRef *testCopyDataPtr(void) {
  34     static CFDataRef sData = NULL;
  35     if (!sData)
  36         sData = CFDataCreate(kCFAllocatorDefault, NULL, 0);
  37     else
  38         CFRetain(sData);
  39     return &sData;
  40 }
  41
  42 static void
  43 test_object(CFDataRef data) {
  44     CFDataRef myData = CFRetainSafe(data);
  45     ok(CFEqual(myData, data), "");
  46     is(CFGetRetainCount(myData), 2, "");
  47     ok(CFReleaseNull(myData) == ((CFDataRef)(0)), "");
  48     is(myData, NULL, "");
  49
  50     is(CFGetRetainCount(data), 1);
  51     CFRetainAssign(myData, data);
  52     is(CFGetRetainCount(data), 2);
  53     CFRetainAssign(myData, data);
  54     is(CFGetRetainCount(data), 2);
  55     CFRetainAssign(myData, NULL);
  56     is(CFGetRetainCount(data), 1);
  57     is(myData, NULL, "");
  58
  59     CFDataRef *pData = testCopyDataPtr();
  60     is(CFGetRetainCount(*pData), 1);
  61     CFDataRef objects[10] = {}, *object = objects;
  62     *object = *pData;
  63     CFRetainAssign(*testCopyDataPtr(), *object++);
  64     is(CFGetRetainCount(*pData), 2, "CFRetainAssign evaluates it's first argument argument %" PRIdCFIndex " times", CFGetRetainCount(*pData) - 1);
  65     is(object - objects, 1, "CFRetainAssign evaluates it's second argument %td times", object - objects);
  66
  67     is(CFGetRetainCount(data), 1);
  68     CFAssignRetained(myData, data);
  69     is(CFGetRetainCount(myData), 1);
  70 }
  71
  72 static void
  73 test_null(void) {
  74     CFTypeRef nullObject1 = NULL;
  75     CFTypeRef nullObject2 = NULL;
  76
  77     nullObject1 = CFRetainSafe(NULL);
  78
  79     is(nullObject1, NULL, "");
  80     is(CFReleaseNull(nullObject1), NULL, "CFReleaseNull(nullObject1) returned");
  81     is(nullObject1, NULL);
  82     is(CFReleaseSafe(nullObject1), NULL, "CFReleaseSafe(nullObject1) returned");
  83     is(CFReleaseSafe(NULL), NULL, "CFReleaseSafe(NULL)");
  84     is(CFReleaseNull(nullObject2), NULL, "CFReleaseNull(nullObject2) returned");
  85     is(nullObject2, NULL, "nullObject2 still NULL");
  86
  87     CFRetainAssign(nullObject2, nullObject1);
  88
  89     CFTypeRef *object, objects[10] = {};
  90
  91     object = &objects[0];
  92     CFRetainSafe(*object++);
  93     is(object - objects, 1, "CFRetainSafe evaluates it's argument %td times", object - objects);
  94
  95     object = &objects[0];
  96     CFReleaseSafe(*object++);
  97     is(object - objects, 1, "CFReleaseSafe evaluates it's argument %td times", object - objects);
  98
  99     object = &objects[0];
 100     CFReleaseNull(*object++);
 101     is(object - objects, 1, "CFReleaseNull evaluates it's argument %td times", object - objects);
 102 }
 103
 104 int
 105 su_05_cfwrappers(int argc, char *const *argv) {
 106     plan_tests(kCFWrappersTestCount);
 107
 108     test_null();
 109     CFDataRef data = CFDataCreate(kCFAllocatorDefault, NULL, 0);
 110     test_object(data);
 111     CFReleaseNull(data);
 112     ok(data == NULL, "data is NULL now");
 113     return 0;
 114 }