93 lines
3.1 KiB
C++
93 lines
3.1 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "utils/int_array_view.h"
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#include <gtest/gtest.h>
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#include <vector>
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namespace latinime {
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namespace {
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TEST(IntArrayViewTest, TestAccess) {
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const std::vector<int> intVector = {3, 2, 1, 0, -1, -2};
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IntArrayView intArrayView(intVector);
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EXPECT_EQ(intVector.size(), intArrayView.size());
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for (int i = 0; i < static_cast<int>(intVector.size()); ++i) {
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EXPECT_EQ(intVector[i], intArrayView[i]);
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}
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}
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TEST(IntArrayViewTest, TestIteration) {
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const std::vector<int> intVector = {3, 2, 1, 0, -1, -2};
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IntArrayView intArrayView(intVector);
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size_t expectedIndex = 0;
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for (const int element : intArrayView) {
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EXPECT_EQ(intVector[expectedIndex], element);
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++expectedIndex;
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}
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EXPECT_EQ(expectedIndex, intArrayView.size());
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}
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TEST(IntArrayViewTest, TestConstructFromArray) {
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const size_t ARRAY_SIZE = 100;
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int intArray[ARRAY_SIZE];
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const auto intArrayView = IntArrayView::fromFixedSizeArray(intArray);
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EXPECT_EQ(ARRAY_SIZE, intArrayView.size());
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}
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TEST(IntArrayViewTest, TestConstructFromObject) {
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const int object = 10;
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const auto intArrayView = IntArrayView::fromObject(&object);
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EXPECT_EQ(1u, intArrayView.size());
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EXPECT_EQ(object, intArrayView[0]);
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}
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TEST(IntArrayViewTest, TestLimit) {
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const std::vector<int> intVector = {3, 2, 1, 0, -1, -2};
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IntArrayView intArrayView(intVector);
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EXPECT_TRUE(intArrayView.limit(0).empty());
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EXPECT_EQ(intArrayView.size(), intArrayView.limit(intArrayView.size()).size());
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EXPECT_EQ(intArrayView.size(), intArrayView.limit(1000).size());
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IntArrayView subView = intArrayView.limit(4);
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EXPECT_EQ(4u, subView.size());
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for (size_t i = 0; i < subView.size(); ++i) {
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EXPECT_EQ(intVector[i], subView[i]);
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}
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}
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TEST(IntArrayViewTest, TestSkip) {
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const std::vector<int> intVector = {3, 2, 1, 0, -1, -2};
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IntArrayView intArrayView(intVector);
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EXPECT_TRUE(intArrayView.skip(intVector.size()).empty());
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EXPECT_TRUE(intArrayView.skip(intVector.size() + 1).empty());
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EXPECT_EQ(intArrayView.size(), intArrayView.skip(0).size());
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EXPECT_EQ(intArrayView.size(), intArrayView.limit(1000).size());
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static const size_t SKIP_COUNT = 2;
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IntArrayView subView = intArrayView.skip(SKIP_COUNT);
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EXPECT_EQ(intVector.size() - SKIP_COUNT, subView.size());
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for (size_t i = 0; i < subView.size(); ++i) {
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EXPECT_EQ(intVector[i + SKIP_COUNT], subView[i]);
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}
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}
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} // namespace
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} // namespace latinime
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