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Diffstat (limited to '3rdParty/Breakpad/src/common/memory_unittest.cc')
-rw-r--r--3rdParty/Breakpad/src/common/memory_unittest.cc124
1 files changed, 124 insertions, 0 deletions
diff --git a/3rdParty/Breakpad/src/common/memory_unittest.cc b/3rdParty/Breakpad/src/common/memory_unittest.cc
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+++ b/3rdParty/Breakpad/src/common/memory_unittest.cc
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+// Copyright (c) 2009, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "breakpad_googletest_includes.h"
+#include "common/memory.h"
+
+using namespace google_breakpad;
+
+namespace {
+typedef testing::Test PageAllocatorTest;
+}
+
+TEST(PageAllocatorTest, Setup) {
+ PageAllocator allocator;
+ EXPECT_EQ(0U, allocator.pages_allocated());
+}
+
+TEST(PageAllocatorTest, SmallObjects) {
+ PageAllocator allocator;
+
+ EXPECT_EQ(0U, allocator.pages_allocated());
+ for (unsigned i = 1; i < 1024; ++i) {
+ uint8_t *p = reinterpret_cast<uint8_t*>(allocator.Alloc(i));
+ ASSERT_FALSE(p == NULL);
+ memset(p, 0, i);
+ }
+}
+
+TEST(PageAllocatorTest, LargeObject) {
+ PageAllocator allocator;
+
+ EXPECT_EQ(0U, allocator.pages_allocated());
+ uint8_t *p = reinterpret_cast<uint8_t*>(allocator.Alloc(10000));
+ ASSERT_FALSE(p == NULL);
+ EXPECT_EQ(3U, allocator.pages_allocated());
+ for (unsigned i = 1; i < 10; ++i) {
+ uint8_t *p = reinterpret_cast<uint8_t*>(allocator.Alloc(i));
+ ASSERT_FALSE(p == NULL);
+ memset(p, 0, i);
+ }
+}
+
+namespace {
+typedef testing::Test WastefulVectorTest;
+}
+
+TEST(WastefulVectorTest, Setup) {
+ PageAllocator allocator_;
+ wasteful_vector<int> v(&allocator_);
+ ASSERT_TRUE(v.empty());
+ ASSERT_EQ(v.size(), 0u);
+}
+
+TEST(WastefulVectorTest, Simple) {
+ PageAllocator allocator_;
+ EXPECT_EQ(0U, allocator_.pages_allocated());
+ wasteful_vector<unsigned> v(&allocator_);
+
+ for (unsigned i = 0; i < 256; ++i) {
+ v.push_back(i);
+ ASSERT_EQ(i, v.back());
+ ASSERT_EQ(&v.back(), &v[i]);
+ }
+ ASSERT_FALSE(v.empty());
+ ASSERT_EQ(v.size(), 256u);
+ EXPECT_EQ(1U, allocator_.pages_allocated());
+ for (unsigned i = 0; i < 256; ++i)
+ ASSERT_EQ(v[i], i);
+}
+
+TEST(WastefulVectorTest, UsesPageAllocator) {
+ PageAllocator allocator_;
+ wasteful_vector<unsigned> v(&allocator_);
+ EXPECT_EQ(1U, allocator_.pages_allocated());
+
+ v.push_back(1);
+ ASSERT_TRUE(allocator_.OwnsPointer(&v[0]));
+}
+
+TEST(WastefulVectorTest, AutoWastefulVector) {
+ PageAllocator allocator_;
+ EXPECT_EQ(0U, allocator_.pages_allocated());
+
+ auto_wasteful_vector<unsigned, 4> v(&allocator_);
+ EXPECT_EQ(0U, allocator_.pages_allocated());
+
+ v.push_back(1);
+ EXPECT_EQ(0U, allocator_.pages_allocated());
+ EXPECT_FALSE(allocator_.OwnsPointer(&v[0]));
+
+ v.resize(4);
+ EXPECT_EQ(0U, allocator_.pages_allocated());
+ EXPECT_FALSE(allocator_.OwnsPointer(&v[0]));
+
+ v.resize(10);
+ EXPECT_EQ(1U, allocator_.pages_allocated());
+ EXPECT_TRUE(allocator_.OwnsPointer(&v[0]));
+}