crashpad/util/misc/initialization_state_test.cc
2014-10-07 17:28:50 -04:00

59 lines
2.0 KiB
C++

// Copyright 2014 The Crashpad Authors. 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 "util/misc/initialization_state.h"
#include "gtest/gtest.h"
namespace crashpad {
namespace test {
namespace {
TEST(InitializationState, InitializationState) {
InitializationState* initialization_state_pointer;
{
InitializationState initialization_state;
initialization_state_pointer = &initialization_state;
EXPECT_TRUE(initialization_state.is_uninitialized());
EXPECT_FALSE(initialization_state.is_valid());
initialization_state.set_invalid();
EXPECT_FALSE(initialization_state.is_uninitialized());
EXPECT_FALSE(initialization_state.is_valid());
initialization_state.set_valid();
EXPECT_FALSE(initialization_state.is_uninitialized());
EXPECT_TRUE(initialization_state.is_valid());
}
// initialization_state_pointer points to something that no longer exists.
// This portion of the test is intended to check that after an
// InitializationState object goes out of scope, it will not be considered
// valid on a use-after-free, assuming that nothing else was written to its
// former home in memory.
//
// This portion of the test is technically not valid C++, but it exists to
// test that the behavior is as desired when other code uses the language
// improperly.
EXPECT_FALSE(initialization_state_pointer->is_uninitialized());
EXPECT_FALSE(initialization_state_pointer->is_valid());
}
} // namespace
} // namespace test
} // namespace crashpad