replicant-frameworks_native/libs/utils/tests/Vector_test.cpp
Mathias Agopian a9611c5d5b fix a corruption in Vector<> when adding new items
would happen when vectors are copied and new items is
added in both vectors. we didn't duplicate the underlying
storage when adding items in vectors.

Bug: 6515797
Change-Id: If544c07d96c05821e088d7f2c9b5736f7e306c31
2012-05-17 17:47:44 -07:00

76 lines
1.6 KiB
C++

/*
* Copyright (C) 2012 The Android Open Source Project
*
* 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.
*/
#define LOG_TAG "Vector_test"
#include <utils/Vector.h>
#include <cutils/log.h>
#include <gtest/gtest.h>
#include <unistd.h>
namespace android {
class VectorTest : public testing::Test {
protected:
virtual void SetUp() {
}
virtual void TearDown() {
}
public:
};
TEST_F(VectorTest, CopyOnWrite_CopyAndAddElements) {
Vector<int> vector;
Vector<int> other;
vector.setCapacity(8);
vector.add(1);
vector.add(2);
vector.add(3);
EXPECT_EQ(vector.size(), 3);
// copy the vector
other = vector;
EXPECT_EQ(other.size(), 3);
// add an element to the first vector
vector.add(4);
// make sure the sizes are correct
EXPECT_EQ(vector.size(), 4);
EXPECT_EQ(other.size(), 3);
// add an element to the copy
other.add(5);
// make sure the sizes are correct
EXPECT_EQ(vector.size(), 4);
EXPECT_EQ(other.size(), 4);
// make sure the content of both vectors are correct
EXPECT_EQ(vector[3], 4);
EXPECT_EQ(other[3], 5);
}
} // namespace android