The Tor Browser: toolkit/crashreporter/google-breakpad/src/common/memory

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 // Copyright (c) 2009, Google Inc.

     2 // All rights reserved.

     3 //

     4 // Redistribution and use in source and binary forms, with or without

     5 // modification, are permitted provided that the following conditions are

     6 // met:

     7 //

     8 //     * Redistributions of source code must retain the above copyright

     9 // notice, this list of conditions and the following disclaimer.

    10 //     * Redistributions in binary form must reproduce the above

    11 // copyright notice, this list of conditions and the following disclaimer

    12 // in the documentation and/or other materials provided with the

    13 // distribution.

    14 //     * Neither the name of Google Inc. nor the names of its

    15 // contributors may be used to endorse or promote products derived from

    16 // this software without specific prior written permission.

    17 //

    18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

    19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

    20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

    21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

    22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

    23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

    24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

    25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

    26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    30 #include "breakpad_googletest_includes.h"

    31 #include "common/memory.h"

    33 using namespace google_breakpad;

    35 namespace {

    36 typedef testing::Test PageAllocatorTest;

    37 }

    39 TEST(PageAllocatorTest, Setup) {

    40   PageAllocator allocator;

    41 }

    43 TEST(PageAllocatorTest, SmallObjects) {

    44   PageAllocator allocator;

    46   for (unsigned i = 1; i < 1024; ++i) {

    47     uint8_t *p = reinterpret_cast<uint8_t*>(allocator.Alloc(i));

    48     ASSERT_FALSE(p == NULL);

    49     memset(p, 0, i);

    50   }

    51 }

    53 TEST(PageAllocatorTest, LargeObject) {

    54   PageAllocator allocator;

    56   uint8_t *p = reinterpret_cast<uint8_t*>(allocator.Alloc(10000));

    57   ASSERT_FALSE(p == NULL);

    58   for (unsigned i = 1; i < 10; ++i) {

    59     uint8_t *p = reinterpret_cast<uint8_t*>(allocator.Alloc(i));

    60     ASSERT_FALSE(p == NULL);

    61     memset(p, 0, i);

    62   }

    63 }

    65 namespace {

    66 typedef testing::Test WastefulVectorTest;

    67 }

    69 TEST(WastefulVectorTest, Setup) {

    70   PageAllocator allocator_;

    71   wasteful_vector<int> v(&allocator_);

    72   ASSERT_TRUE(v.empty());

    73   ASSERT_EQ(v.size(), 0u);

    74 }

    76 TEST(WastefulVectorTest, Simple) {

    77   PageAllocator allocator_;

    78   wasteful_vector<unsigned> v(&allocator_);

    80   for (unsigned i = 0; i < 256; ++i) {

    81     v.push_back(i);

    82     ASSERT_EQ(i, v.back());

    83     ASSERT_EQ(&v.back(), &v[i]);

    84   }

    85   ASSERT_FALSE(v.empty());

    86   ASSERT_EQ(v.size(), 256u);

    87   for (unsigned i = 0; i < 256; ++i)

    88     ASSERT_EQ(v[i], i);

    89 }

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