1 | // Licensed to the Apache Software Foundation (ASF) under one |
2 | // or more contributor license agreements. See the NOTICE file |
3 | // distributed with this work for additional information |
4 | // regarding copyright ownership. The ASF licenses this file |
5 | // to you under the Apache License, Version 2.0 (the |
6 | // "License"); you may not use this file except in compliance |
7 | // with the License. You may obtain a copy of the License at |
8 | // |
9 | // http://www.apache.org/licenses/LICENSE-2.0 |
10 | // |
11 | // Unless required by applicable law or agreed to in writing, |
12 | // software distributed under the License is distributed on an |
13 | // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
14 | // KIND, either express or implied. See the License for the |
15 | // specific language governing permissions and limitations |
16 | // under the License. |
17 | |
18 | #include <vector> |
19 | |
20 | #include <gtest/gtest.h> |
21 | |
22 | #include "arrow/util/stl.h" |
23 | |
24 | namespace arrow { |
25 | namespace internal { |
26 | |
27 | TEST(StlUtilTest, VectorAddRemoveTest) { |
28 | std::vector<int> values; |
29 | std::vector<int> result = AddVectorElement(values, 0, 100); |
30 | EXPECT_EQ(values.size(), 0); |
31 | EXPECT_EQ(result.size(), 1); |
32 | EXPECT_EQ(result[0], 100); |
33 | |
34 | // Add 200 at index 0 and 300 at the end. |
35 | std::vector<int> result2 = AddVectorElement(result, 0, 200); |
36 | result2 = AddVectorElement(result2, result2.size(), 300); |
37 | EXPECT_EQ(result.size(), 1); |
38 | EXPECT_EQ(result2.size(), 3); |
39 | EXPECT_EQ(result2[0], 200); |
40 | EXPECT_EQ(result2[1], 100); |
41 | EXPECT_EQ(result2[2], 300); |
42 | |
43 | // Remove 100, 300, 200 |
44 | std::vector<int> result3 = DeleteVectorElement(result2, 1); |
45 | EXPECT_EQ(result2.size(), 3); |
46 | EXPECT_EQ(result3.size(), 2); |
47 | EXPECT_EQ(result3[0], 200); |
48 | EXPECT_EQ(result3[1], 300); |
49 | |
50 | result3 = DeleteVectorElement(result3, 1); |
51 | EXPECT_EQ(result3.size(), 1); |
52 | EXPECT_EQ(result3[0], 200); |
53 | |
54 | result3 = DeleteVectorElement(result3, 0); |
55 | EXPECT_TRUE(result3.empty()); |
56 | } |
57 | |
58 | } // namespace internal |
59 | } // namespace arrow |
60 | |