xpcom/tests/TestObserverArray.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/xpcom/tests/TestObserverArray.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,146 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +// vim:cindent:ts=4:et:sw=4:
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +#include "TestHarness.h"
    1.11 +#include "nsTObserverArray.h"
    1.12 +
    1.13 +using namespace mozilla;
    1.14 +
    1.15 +typedef nsTObserverArray<int> IntArray;
    1.16 +
    1.17 +#define DO_TEST(_type, _exp, _code)                                   \
    1.18 +  do {                                                                \
    1.19 +    ++testNum;                                                        \
    1.20 +    count = 0;                                                        \
    1.21 +    IntArray::_type iter(arr);                                        \
    1.22 +    while (iter.HasMore() && count != ArrayLength(_exp)) {            \
    1.23 +      _code                                                           \
    1.24 +      int next = iter.GetNext();                                      \
    1.25 +      int expected = _exp[count++];                                   \
    1.26 +      if (next != expected) {                                         \
    1.27 +        fail("During test %d at position %d got %d expected %d\n",    \
    1.28 +             testNum, count-1, next, expected);                       \
    1.29 +        rv = 1;                                                       \
    1.30 +      }                                                               \
    1.31 +    }                                                                 \
    1.32 +    if (iter.HasMore()) {                                             \
    1.33 +      fail("During test %d, iterator ran over", testNum);             \
    1.34 +      rv = 1;                                                         \
    1.35 +    }                                                                 \
    1.36 +    if (count != ArrayLength(_exp)) {                             \
    1.37 +      fail("During test %d, iterator finished too early", testNum);   \
    1.38 +      rv = 1;                                                         \
    1.39 +    }                                                                 \
    1.40 +  } while (0)
    1.41 +
    1.42 +int main(int argc, char **argv)
    1.43 +{
    1.44 +  ScopedXPCOM xpcom("nsTObserverArrayTests");
    1.45 +  if (xpcom.failed()) {
    1.46 +    return 1;
    1.47 +  }
    1.48 +
    1.49 +  int rv = 0;
    1.50 +
    1.51 +  IntArray arr;
    1.52 +  arr.AppendElement(3);
    1.53 +  arr.AppendElement(4);
    1.54 +
    1.55 +  size_t count;
    1.56 +  int testNum = 0;
    1.57 +
    1.58 +  // Basic sanity
    1.59 +  static int test1Expected[] = { 3, 4 };
    1.60 +  DO_TEST(ForwardIterator, test1Expected, { /* nothing */ });
    1.61 +
    1.62 +  // Appends
    1.63 +  static int test2Expected[] = { 3, 4, 2 };
    1.64 +  DO_TEST(ForwardIterator, test2Expected,
    1.65 +          if (count == 1) arr.AppendElement(2);
    1.66 +          );
    1.67 +  DO_TEST(ForwardIterator, test2Expected, { /* nothing */ });
    1.68 +
    1.69 +  DO_TEST(EndLimitedIterator, test2Expected,
    1.70 +          if (count == 1) arr.AppendElement(5);
    1.71 +          );
    1.72 +
    1.73 +  static int test5Expected[] = { 3, 4, 2, 5 };
    1.74 +  DO_TEST(ForwardIterator, test5Expected, { /* nothing */ });
    1.75 +
    1.76 +  // Removals
    1.77 +  DO_TEST(ForwardIterator, test5Expected,
    1.78 +          if (count == 1) arr.RemoveElementAt(0);
    1.79 +          );
    1.80 +
    1.81 +  static int test7Expected[] = { 4, 2, 5 };
    1.82 +  DO_TEST(ForwardIterator, test7Expected, { /* nothing */ });
    1.83 +
    1.84 +  static int test8Expected[] = { 4, 5 };
    1.85 +  DO_TEST(ForwardIterator, test8Expected,
    1.86 +          if (count == 1) arr.RemoveElementAt(1);
    1.87 +          );
    1.88 +  DO_TEST(ForwardIterator, test8Expected, { /* nothing */ });
    1.89 +
    1.90 +  arr.AppendElement(2);
    1.91 +  arr.AppendElementUnlessExists(6);
    1.92 +  static int test10Expected[] = { 4, 5, 2, 6 };
    1.93 +  DO_TEST(ForwardIterator, test10Expected, { /* nothing */ });
    1.94 +
    1.95 +  arr.AppendElementUnlessExists(5);
    1.96 +  DO_TEST(ForwardIterator, test10Expected, { /* nothing */ });
    1.97 +
    1.98 +  static int test12Expected[] = { 4, 5, 6 };
    1.99 +  DO_TEST(ForwardIterator, test12Expected,
   1.100 +          if (count == 1) arr.RemoveElementAt(2);
   1.101 +          );
   1.102 +  DO_TEST(ForwardIterator, test12Expected, { /* nothing */ });
   1.103 +
   1.104 +  // Removals + Appends
   1.105 +  static int test14Expected[] = { 4, 6, 7 };
   1.106 +  DO_TEST(ForwardIterator, test14Expected,
   1.107 +          if (count == 1) {
   1.108 +            arr.RemoveElementAt(1);
   1.109 +            arr.AppendElement(7);
   1.110 +          }
   1.111 +          );
   1.112 +  DO_TEST(ForwardIterator, test14Expected, { /* nothing */ });
   1.113 +
   1.114 +  arr.AppendElement(2);
   1.115 +  static int test16Expected[] = { 4, 6, 7, 2 };
   1.116 +  DO_TEST(ForwardIterator, test16Expected, { /* nothing */ });
   1.117 +
   1.118 +  static int test17Expected[] = { 4, 7, 2 };
   1.119 +  DO_TEST(EndLimitedIterator, test17Expected,
   1.120 +          if (count == 1) {
   1.121 +            arr.RemoveElementAt(1);
   1.122 +            arr.AppendElement(8);
   1.123 +          }
   1.124 +          );
   1.125 +
   1.126 +  static int test18Expected[] = { 4, 7, 2, 8 };
   1.127 +  DO_TEST(ForwardIterator, test18Expected, { /* nothing */ });
   1.128 +
   1.129 +  // Prepends
   1.130 +  arr.PrependElementUnlessExists(3);
   1.131 +  static int test19Expected[] = { 3, 4, 7, 2, 8 };
   1.132 +  DO_TEST(ForwardIterator, test19Expected, { /* nothing */ });
   1.133 +
   1.134 +  arr.PrependElementUnlessExists(7);
   1.135 +  DO_TEST(ForwardIterator, test19Expected, { /* nothing */ });
   1.136 +
   1.137 +  // Commented out because it fails; bug 474369 will fix
   1.138 +  /*  DO_TEST(ForwardIterator, test19Expected,
   1.139 +          if (count == 1) {
   1.140 +            arr.PrependElementUnlessExists(9);
   1.141 +          }
   1.142 +          );
   1.143 +
   1.144 +  static int test22Expected[] = { 9, 3, 4, 7, 2, 8 };
   1.145 +  DO_TEST(ForwardIterator, test22Expected, { });
   1.146 +  */
   1.147 +  
   1.148 +  return rv;
   1.149 +}

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