1 // Copyright (c) 2011 The Chromium 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 <list> 6 7 #include "components/content_settings/core/browser/content_settings_rule.h" 8 #include "components/content_settings/core/common/content_settings_pattern.h" 9 #include "testing/gtest/include/gtest/gtest.h" 10 11 namespace content_settings { 12 13 namespace { 14 15 class ListIterator : public RuleIterator { 16 public: 17 explicit ListIterator(const std::list<Rule>& rules) 18 : rules_(rules) {} 19 20 virtual ~ListIterator() {} 21 22 virtual bool HasNext() const OVERRIDE { 23 return !rules_.empty(); 24 } 25 26 virtual Rule Next() OVERRIDE { 27 EXPECT_FALSE(rules_.empty()); 28 // |front()| returns a reference but we're going to discard the object 29 // referred to; force copying here. 30 Rule rule = rules_.front(); 31 rules_.pop_front(); 32 return rule; 33 } 34 35 private: 36 std::list<Rule> rules_; 37 }; 38 39 } // namespace 40 41 TEST(RuleTest, ConcatenationIterator) { 42 std::list<Rule> rules1; 43 rules1.push_back(Rule(ContentSettingsPattern::FromString("a"), 44 ContentSettingsPattern::Wildcard(), 45 new base::FundamentalValue(0))); 46 rules1.push_back(Rule(ContentSettingsPattern::FromString("b"), 47 ContentSettingsPattern::Wildcard(), 48 new base::FundamentalValue(0))); 49 std::list<Rule> rules2; 50 rules2.push_back(Rule(ContentSettingsPattern::FromString("c"), 51 ContentSettingsPattern::Wildcard(), 52 new base::FundamentalValue(0))); 53 rules2.push_back(Rule(ContentSettingsPattern::FromString("d"), 54 ContentSettingsPattern::Wildcard(), 55 new base::FundamentalValue(0))); 56 57 ScopedVector<RuleIterator> iterators; 58 iterators.push_back(new ListIterator(rules1)); 59 iterators.push_back(new ListIterator(rules2)); 60 ConcatenationIterator concatenation_iterator(&iterators, NULL); 61 62 Rule rule; 63 ASSERT_TRUE(concatenation_iterator.HasNext()); 64 rule = concatenation_iterator.Next(); 65 EXPECT_EQ(rule.primary_pattern, ContentSettingsPattern::FromString("a")); 66 67 ASSERT_TRUE(concatenation_iterator.HasNext()); 68 rule = concatenation_iterator.Next(); 69 EXPECT_EQ(rule.primary_pattern, ContentSettingsPattern::FromString("b")); 70 71 ASSERT_TRUE(concatenation_iterator.HasNext()); 72 rule = concatenation_iterator.Next(); 73 EXPECT_EQ(rule.primary_pattern, ContentSettingsPattern::FromString("c")); 74 75 ASSERT_TRUE(concatenation_iterator.HasNext()); 76 rule = concatenation_iterator.Next(); 77 EXPECT_EQ(rule.primary_pattern, ContentSettingsPattern::FromString("d")); 78 79 EXPECT_FALSE(concatenation_iterator.HasNext()); 80 } 81 82 } // namespace content_settings 83
