1 /*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "Vector_test"
18
19 #include <utils/Vector.h>
20 #include <cutils/log.h>
21 #include <gtest/gtest.h>
22 #include <unistd.h>
23
24 namespace android {
25
26 class VectorTest : public testing::Test {
27 protected:
SetUp()28 virtual void SetUp() {
29 }
30
TearDown()31 virtual void TearDown() {
32 }
33
34 public:
35 };
36
37
TEST_F(VectorTest,CopyOnWrite_CopyAndAddElements)38 TEST_F(VectorTest, CopyOnWrite_CopyAndAddElements) {
39
40 Vector<int> vector;
41 Vector<int> other;
42 vector.setCapacity(8);
43
44 vector.add(1);
45 vector.add(2);
46 vector.add(3);
47
48 EXPECT_EQ(vector.size(), 3);
49
50 // copy the vector
51 other = vector;
52
53 EXPECT_EQ(other.size(), 3);
54
55 // add an element to the first vector
56 vector.add(4);
57
58 // make sure the sizes are correct
59 EXPECT_EQ(vector.size(), 4);
60 EXPECT_EQ(other.size(), 3);
61
62 // add an element to the copy
63 other.add(5);
64
65 // make sure the sizes are correct
66 EXPECT_EQ(vector.size(), 4);
67 EXPECT_EQ(other.size(), 4);
68
69 // make sure the content of both vectors are correct
70 EXPECT_EQ(vector[3], 4);
71 EXPECT_EQ(other[3], 5);
72 }
73
74
75 } // namespace android
76