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      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.
     29 
     30 #include "breakpad_googletest_includes.h"
     31 #include "common/memory.h"
     32 
     33 using namespace google_breakpad;
     34 
     35 namespace {
     36 typedef testing::Test PageAllocatorTest;
     37 }
     38 
     39 TEST(PageAllocatorTest, Setup) {
     40   PageAllocator allocator;
     41 }
     42 
     43 TEST(PageAllocatorTest, SmallObjects) {
     44   PageAllocator allocator;
     45 
     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 }
     52 
     53 TEST(PageAllocatorTest, LargeObject) {
     54   PageAllocator allocator;
     55 
     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 }
     64 
     65 namespace {
     66 typedef testing::Test WastefulVectorTest;
     67 }
     68 
     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 }
     75 
     76 TEST(WastefulVectorTest, Simple) {
     77   PageAllocator allocator_;
     78   wasteful_vector<unsigned> v(&allocator_);
     79 
     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 }
     90 
     91 TEST(WastefulVectorTest, UsesPageAllocator) {
     92   PageAllocator allocator_;
     93   wasteful_vector<unsigned> v(&allocator_);
     94 
     95   v.push_back(1);
     96   ASSERT_TRUE(allocator_.OwnsPointer(&v[0]));
     97 }
     98