62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
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// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/base/iterator.h"
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#include <deque>
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#include "test/unittests/test-utils.h"
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namespace v8 {
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namespace base {
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TEST(IteratorTest, IteratorRangeEmpty) {
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base::iterator_range<char*> r;
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EXPECT_EQ(r.begin(), r.end());
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EXPECT_EQ(r.end(), r.cend());
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EXPECT_EQ(r.begin(), r.cbegin());
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EXPECT_TRUE(r.empty());
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EXPECT_EQ(0, r.size());
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}
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TEST(IteratorTest, IteratorRangeArray) {
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int array[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
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base::iterator_range<int*> r1(&array[0], &array[10]);
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for (auto i : r1) {
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EXPECT_EQ(array[i], i);
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}
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EXPECT_EQ(10, r1.size());
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EXPECT_FALSE(r1.empty());
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for (size_t i = 0; i < arraysize(array); ++i) {
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EXPECT_EQ(r1[i], array[i]);
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}
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base::iterator_range<int*> r2(&array[0], &array[0]);
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EXPECT_EQ(0, r2.size());
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EXPECT_TRUE(r2.empty());
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for (auto i : array) {
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EXPECT_EQ(r2.end(), std::find(r2.begin(), r2.end(), i));
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}
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}
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TEST(IteratorTest, IteratorRangeDeque) {
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typedef std::deque<unsigned> C;
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C c;
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c.push_back(1);
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c.push_back(2);
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c.push_back(2);
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base::iterator_range<typename C::iterator> r(c.begin(), c.end());
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EXPECT_EQ(3, r.size());
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EXPECT_FALSE(r.empty());
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EXPECT_TRUE(c.begin() == r.begin());
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EXPECT_TRUE(c.end() == r.end());
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EXPECT_EQ(0, std::count(r.begin(), r.end(), 0));
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EXPECT_EQ(1, std::count(r.begin(), r.end(), 1));
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EXPECT_EQ(2, std::count(r.begin(), r.end(), 2));
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}
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} // namespace base
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} // namespace v8
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