1/*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include "ecmascript/base/gc_ring_buffer.h"
17#include "ecmascript/tests/test_helper.h"
18
19using namespace panda::ecmascript;
20using namespace panda::ecmascript::base;
21
22namespace panda::test {
23class GCRingBufferTest : public BaseTestWithScope<false> {
24};
25
26/**
27 * @tc.name: Push
28 * @tc.desc: Define a fixed length container for storing int type data, call the push function to assign a value
29 *           to each position of the container, and when the maximum length is reached, overwrite the original
30 *           value from scratch.
31 * @tc.type: FUNC
32 * @tc.require:
33 */
34HWTEST_F_L0(GCRingBufferTest, Push)
35{
36    constexpr int LENGTH = 10;
37    GCRingBuffer<int, LENGTH> gcBuffer;
38    EXPECT_EQ(gcBuffer.Count(), 0);
39    for (int i = 0; i < 2 * LENGTH; i++) {
40        gcBuffer.Push(i);
41    }
42    EXPECT_EQ(gcBuffer.Count(), LENGTH);
43}
44
45static int SumCallback(const int initial, int elements)
46{
47    return initial + elements;
48}
49
50/**
51 * @tc.name: Sum
52 * @tc.desc: The "Sum" function calculates the sum of stored data by calling the callback function.
53 * @tc.type: FUNC
54 * @tc.require:
55 */
56HWTEST_F_L0(GCRingBufferTest, Sum)
57{
58    constexpr int LENGTH = 10;
59    GCRingBuffer<int, LENGTH> gcBuffer;
60
61    for (int i = 0; i < LENGTH; i++) {
62        gcBuffer.Push(i);
63    }
64    EXPECT_EQ(gcBuffer.Sum(SumCallback, 0), 45);
65
66    for (int i = 0; i < LENGTH; i++) {
67        gcBuffer.Push(1);
68    }
69    EXPECT_EQ(gcBuffer.Count(), LENGTH);
70    EXPECT_EQ(gcBuffer.Sum(SumCallback, 0), 10);
71}
72
73/**
74 * @tc.name: Reset
75 * @tc.desc: Set the subscript of the start position and the subscript of the end position of the container to zero.
76 *           The next time you store data, store it from the first position. then call the "Count" function to check
77 *           whether the count of the container is zero.
78 * @tc.type: FUNC
79 * @tc.require:
80 */
81HWTEST_F_L0(GCRingBufferTest, Reset)
82{
83    constexpr int LENGTH = 10;
84    GCRingBuffer<int, LENGTH> gcBuffer;
85
86    for (int i = 0; i < LENGTH; i++) {
87        gcBuffer.Reset();
88        gcBuffer.Push(i);
89    }
90    EXPECT_EQ(gcBuffer.Count(), 1);
91    // reset count to zero
92    gcBuffer.Reset();
93    EXPECT_EQ(gcBuffer.Count(), 0);
94}
95} // namespace panda::ecmascript
96