OSX/utilities/Regressions/su-08-secbuffer.c

   1 /*
   2  * Copyright (c) 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/SecBuffer.h>
  26
  27 #include "utilities_regressions.h"
  28
  29
  30 #define kTestCount (2 * 12 + 3 * 12)
  31
  32 static void
  33 tests(void) {
  34     for(size_t testSize = 1023; testSize < 2 * 1024 * 1024; testSize *= 2) {
  35         PerformWithBuffer(testSize, ^(size_t size, uint8_t *buffer) {
  36             ok(buffer, "got buffer");
  37             ok(size == testSize, "buffer size");
  38         });
  39     }
  40
  41     for(size_t testSize = 1023; testSize < 2 * 1024 * 1024; testSize *= 2) {
  42         __block uint64_t *scribbleLocation = NULL;
  43         PerformWithBufferAndClear(testSize, ^(size_t size, uint8_t *buffer) {
  44             ok(buffer, "got buffer");
  45             ok(size == testSize, "buffer size");
  46
  47             scribbleLocation = (uint64_t *) (buffer + testSize - sizeof(uint64_t));
  48             *scribbleLocation = 0xD0D0BAAD;
  49         });
  50         SKIP: {
  51             skip("memory might be unmapped leading to a crash", 1, false);
  52             ok(*scribbleLocation == 0, "Was erased");
  53         }
  54     }
  55 }
  56
  57
  58 int
  59 su_08_secbuffer(int argc, char *const *argv) {
  60     plan_tests(kTestCount);
  61
  62     tests();
  63
  64     return 0;
  65 }