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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 <gtest/gtest.h> | |
19 | ||
20 | #include "arrow/testing/gtest_util.h" | |
21 | #include "arrow/util/queue.h" | |
22 | ||
23 | namespace arrow { | |
24 | namespace util { | |
25 | ||
26 | TEST(TestSpscQueue, TestMoveOnly) { | |
27 | SpscQueue<MoveOnlyDataType> queue(3); | |
28 | ASSERT_TRUE(queue.IsEmpty()); | |
29 | ASSERT_FALSE(queue.IsFull()); | |
30 | ASSERT_EQ(queue.SizeGuess(), 0); | |
31 | ||
32 | MoveOnlyDataType in(42); | |
33 | queue.Write(std::move(in)); | |
34 | ASSERT_FALSE(queue.IsEmpty()); | |
35 | ASSERT_FALSE(queue.IsFull()); | |
36 | ASSERT_EQ(queue.SizeGuess(), 1); | |
37 | ||
38 | queue.Write(43); | |
39 | ASSERT_FALSE(queue.IsEmpty()); | |
40 | ASSERT_TRUE(queue.IsFull()); | |
41 | ASSERT_EQ(queue.SizeGuess(), 2); | |
42 | ||
43 | MoveOnlyDataType out = std::move(*queue.FrontPtr()); | |
44 | ASSERT_EQ(42, *out.data); | |
45 | queue.PopFront(); | |
46 | ASSERT_TRUE(queue.Read(out)); | |
47 | ASSERT_EQ(43, *out.data); | |
48 | ||
49 | ASSERT_TRUE(queue.IsEmpty()); | |
50 | ASSERT_FALSE(queue.IsFull()); | |
51 | ASSERT_EQ(queue.SizeGuess(), 0); | |
52 | } | |
53 | ||
54 | } // namespace util | |
55 | } // namespace arrow |