Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "src/base/iterator.h" |
| 6 | |
| 7 | #include <deque> |
| 8 | |
| 9 | #include "test/unittests/test-utils.h" |
| 10 | |
| 11 | namespace v8 { |
| 12 | namespace base { |
| 13 | |
| 14 | TEST(IteratorTest, IteratorRangeEmpty) { |
| 15 | base::iterator_range<char*> r; |
| 16 | EXPECT_EQ(r.begin(), r.end()); |
| 17 | EXPECT_EQ(r.end(), r.cend()); |
| 18 | EXPECT_EQ(r.begin(), r.cbegin()); |
| 19 | EXPECT_TRUE(r.empty()); |
| 20 | EXPECT_EQ(0, r.size()); |
| 21 | } |
| 22 | |
| 23 | |
| 24 | TEST(IteratorTest, IteratorRangeArray) { |
| 25 | int array[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; |
| 26 | base::iterator_range<int*> r1(&array[0], &array[10]); |
| 27 | for (auto i : r1) { |
| 28 | EXPECT_EQ(array[i], i); |
| 29 | } |
| 30 | EXPECT_EQ(10, r1.size()); |
| 31 | EXPECT_FALSE(r1.empty()); |
| 32 | for (size_t i = 0; i < arraysize(array); ++i) { |
| 33 | EXPECT_EQ(r1[i], array[i]); |
| 34 | } |
| 35 | base::iterator_range<int*> r2(&array[0], &array[0]); |
| 36 | EXPECT_EQ(0, r2.size()); |
| 37 | EXPECT_TRUE(r2.empty()); |
| 38 | for (auto i : array) { |
| 39 | EXPECT_EQ(r2.end(), std::find(r2.begin(), r2.end(), i)); |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | |
| 44 | TEST(IteratorTest, IteratorRangeDeque) { |
| 45 | typedef std::deque<unsigned> C; |
| 46 | C c; |
| 47 | c.push_back(1); |
| 48 | c.push_back(2); |
| 49 | c.push_back(2); |
| 50 | base::iterator_range<typename C::iterator> r(c.begin(), c.end()); |
| 51 | EXPECT_EQ(3, r.size()); |
| 52 | EXPECT_FALSE(r.empty()); |
| 53 | EXPECT_TRUE(c.begin() == r.begin()); |
| 54 | EXPECT_TRUE(c.end() == r.end()); |
| 55 | EXPECT_EQ(0, std::count(r.begin(), r.end(), 0)); |
| 56 | EXPECT_EQ(1, std::count(r.begin(), r.end(), 1)); |
| 57 | EXPECT_EQ(2, std::count(r.begin(), r.end(), 2)); |
| 58 | } |
| 59 | |
| 60 | } // namespace base |
| 61 | } // namespace v8 |