diff options
Diffstat (limited to 'gfx/sfntly/cpp/src/test/smart_pointer_test.cc')
-rw-r--r-- | gfx/sfntly/cpp/src/test/smart_pointer_test.cc | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/gfx/sfntly/cpp/src/test/smart_pointer_test.cc b/gfx/sfntly/cpp/src/test/smart_pointer_test.cc new file mode 100644 index 0000000000..9e81baaba6 --- /dev/null +++ b/gfx/sfntly/cpp/src/test/smart_pointer_test.cc @@ -0,0 +1,79 @@ +/* + * Copyright 2011 Google Inc. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "gtest/gtest.h" +#define ENABLE_OBJECT_COUNTER +#include "sfntly/port/refcount.h" + +using sfntly::RefCounted; +using sfntly::Ptr; + +class Foo : public RefCounted<Foo> { +public: // put in something to make sure it's not empty + int foo_; + int foo() { return foo_; } +}; + +bool TestSmartPointer() { + // scope out allocation + { + Ptr<Foo> p1; + p1 = new Foo(); + EXPECT_EQ(size_t(1), p1->ref_count_); + EXPECT_EQ(size_t(1), RefCounted<Foo>::object_counter_); + + Ptr<Foo> p2; + p2 = p1; + EXPECT_EQ(size_t(2), p1->ref_count_); + EXPECT_EQ(size_t(2), p2->ref_count_); + EXPECT_EQ(size_t(1), RefCounted<Foo>::object_counter_); + + Ptr<Foo> p3; + p3 = p1; + EXPECT_EQ(size_t(3), p1->ref_count_); + EXPECT_EQ(size_t(3), p2->ref_count_); + EXPECT_EQ(size_t(3), p3->ref_count_); + EXPECT_EQ(size_t(1), RefCounted<Foo>::object_counter_); + + p2 = new Foo(); + EXPECT_EQ(size_t(2), p1->ref_count_); + EXPECT_EQ(size_t(1), p2->ref_count_); + EXPECT_EQ(size_t(2), p3->ref_count_); + EXPECT_EQ(size_t(2), RefCounted<Foo>::object_counter_); + + p3.Release(); + EXPECT_EQ(size_t(1), p1->ref_count_); + EXPECT_EQ(NULL, p3.p_); + EXPECT_EQ(size_t(2), RefCounted<Foo>::object_counter_); + + p2 = NULL; + EXPECT_EQ(size_t(1), RefCounted<Foo>::object_counter_); + + p1 = p1; + EXPECT_EQ(size_t(1), p1->ref_count_); + EXPECT_EQ(size_t(1), RefCounted<Foo>::object_counter_); + + p1 = &(*p1); + EXPECT_EQ(size_t(1), p1->ref_count_); + EXPECT_EQ(size_t(1), RefCounted<Foo>::object_counter_); + } + EXPECT_EQ(size_t(0), RefCounted<Foo>::object_counter_); + return true; +} + +TEST(SmartPointer, All) { + ASSERT_TRUE(TestSmartPointer()); +} |