third_party/WebKit/Source/core/css/RuleSetTest.cpp

   1 /*
   2  * Copyright (c) 2014, Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
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   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  * 3. Neither the name of Opera Software ASA nor the names of its
  13  *    contributors may be used to endorse or promote products derived
  14  *    from this software without specific prior written permission.
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  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  19  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  20  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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  27  * OF THE POSSIBILITY OF SUCH DAMAGE.
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  29
  30 #include "config.h"
  31 #include "core/css/RuleSet.h"
  32
  33 #include "core/css/CSSTestHelper.h"
  34
  35 #include <gtest/gtest.h>
  36
  37 namespace blink {
  38
  39 TEST(RuleSetTest, findBestRuleSetAndAdd_CustomPseudoElements)
  40 {
  41     CSSTestHelper helper;
  42
  43     helper.addCSSRules("summary::-webkit-details-marker { }");
  44     RuleSet& ruleSet = helper.ruleSet();
  45     AtomicString str("-webkit-details-marker");
  46     const TerminatedArray<RuleData>* rules = ruleSet.shadowPseudoElementRules(str);
  47     ASSERT_EQ(1u, rules->size());
  48     ASSERT_EQ(str, rules->at(0).selector().value());
  49 }
  50
  51 TEST(RuleSetTest, findBestRuleSetAndAdd_Id)
  52 {
  53     CSSTestHelper helper;
  54
  55     helper.addCSSRules("#id { }");
  56     RuleSet& ruleSet = helper.ruleSet();
  57     AtomicString str("id");
  58     const TerminatedArray<RuleData>* rules = ruleSet.idRules(str);
  59     ASSERT_EQ(1u, rules->size());
  60     ASSERT_EQ(str, rules->at(0).selector().value());
  61 }
  62
  63 TEST(RuleSetTest, findBestRuleSetAndAdd_NthChild)
  64 {
  65     CSSTestHelper helper;
  66
  67     helper.addCSSRules("div:nth-child(2) { }");
  68     RuleSet& ruleSet = helper.ruleSet();
  69     AtomicString str("div");
  70     const TerminatedArray<RuleData>* rules = ruleSet.tagRules(str);
  71     ASSERT_EQ(1u, rules->size());
  72     ASSERT_EQ(str, rules->at(0).selector().tagQName().localName());
  73 }
  74
  75 TEST(RuleSetTest, findBestRuleSetAndAdd_ClassThenId)
  76 {
  77     CSSTestHelper helper;
  78
  79     helper.addCSSRules(".class#id { }");
  80     RuleSet& ruleSet = helper.ruleSet();
  81     AtomicString str("id");
  82     // id is prefered over class even if class preceeds it in the selector.
  83     const TerminatedArray<RuleData>* rules = ruleSet.idRules(str);
  84     ASSERT_EQ(1u, rules->size());
  85     AtomicString classStr("class");
  86     ASSERT_EQ(classStr, rules->at(0).selector().value());
  87 }
  88
  89 TEST(RuleSetTest, findBestRuleSetAndAdd_IdThenClass)
  90 {
  91     CSSTestHelper helper;
  92
  93     helper.addCSSRules("#id.class { }");
  94     RuleSet& ruleSet = helper.ruleSet();
  95     AtomicString str("id");
  96     const TerminatedArray<RuleData>* rules = ruleSet.idRules(str);
  97     ASSERT_EQ(1u, rules->size());
  98     ASSERT_EQ(str, rules->at(0).selector().value());
  99 }
 100
 101 TEST(RuleSetTest, findBestRuleSetAndAdd_AttrThenId)
 102 {
 103     CSSTestHelper helper;
 104
 105     helper.addCSSRules("[attr]#id { }");
 106     RuleSet& ruleSet = helper.ruleSet();
 107     AtomicString str("id");
 108     const TerminatedArray<RuleData>* rules = ruleSet.idRules(str);
 109     ASSERT_EQ(1u, rules->size());
 110     AtomicString attrStr("attr");
 111     ASSERT_EQ(attrStr, rules->at(0).selector().attribute().localName());
 112 }
 113
 114 TEST(RuleSetTest, findBestRuleSetAndAdd_TagThenAttrThenId)
 115 {
 116     CSSTestHelper helper;
 117
 118     helper.addCSSRules("div[attr]#id { }");
 119     RuleSet& ruleSet = helper.ruleSet();
 120     AtomicString str("id");
 121     const TerminatedArray<RuleData>* rules = ruleSet.idRules(str);
 122     ASSERT_EQ(1u, rules->size());
 123     AtomicString tagStr("div");
 124     ASSERT_EQ(tagStr, rules->at(0).selector().tagQName().localName());
 125 }
 126
 127 TEST(RuleSetTest, findBestRuleSetAndAdd_DivWithContent)
 128 {
 129     CSSTestHelper helper;
 130
 131     helper.addCSSRules("div::content { }");
 132     RuleSet& ruleSet = helper.ruleSet();
 133     AtomicString str("div");
 134     const TerminatedArray<RuleData>* rules = ruleSet.tagRules(str);
 135     ASSERT_EQ(1u, rules->size());
 136     AtomicString valueStr("content");
 137     ASSERT_EQ(valueStr, rules->at(0).selector().value());
 138 }
 139
 140 TEST(RuleSetTest, findBestRuleSetAndAdd_Host)
 141 {
 142     CSSTestHelper helper;
 143
 144     helper.addCSSRules(":host { }");
 145     RuleSet& ruleSet = helper.ruleSet();
 146     const WillBeHeapVector<RuleData>* rules = ruleSet.shadowHostRules();
 147     ASSERT_EQ(1u, rules->size());
 148 }
 149
 150 TEST(RuleSetTest, findBestRuleSetAndAdd_HostWithId)
 151 {
 152     CSSTestHelper helper;
 153
 154     helper.addCSSRules(":host(#x) { }");
 155     RuleSet& ruleSet = helper.ruleSet();
 156     const WillBeHeapVector<RuleData>* rules = ruleSet.shadowHostRules();
 157     ASSERT_EQ(1u, rules->size());
 158 }
 159
 160 TEST(RuleSetTest, findBestRuleSetAndAdd_HostContext)
 161 {
 162     CSSTestHelper helper;
 163
 164     helper.addCSSRules(":host-context(*) { }");
 165     RuleSet& ruleSet = helper.ruleSet();
 166     const WillBeHeapVector<RuleData>* rules = ruleSet.shadowHostRules();
 167     ASSERT_EQ(1u, rules->size());
 168 }
 169
 170 TEST(RuleSetTest, findBestRuleSetAndAdd_HostContextWithId)
 171 {
 172     CSSTestHelper helper;
 173
 174     helper.addCSSRules(":host-context(#x) { }");
 175     RuleSet& ruleSet = helper.ruleSet();
 176     const WillBeHeapVector<RuleData>* rules = ruleSet.shadowHostRules();
 177     ASSERT_EQ(1u, rules->size());
 178 }
 179
 180 TEST(RuleSetTest, findBestRuleSetAndAdd_HostAndHostContextNotInRightmost)
 181 {
 182     CSSTestHelper helper;
 183
 184     helper.addCSSRules(":host-context(#x) .y, :host(.a) > #b  { }");
 185     RuleSet& ruleSet = helper.ruleSet();
 186     const WillBeHeapVector<RuleData>* shadowRules = ruleSet.shadowHostRules();
 187     const TerminatedArray<RuleData>* idRules = ruleSet.idRules("b");
 188     const TerminatedArray<RuleData>* classRules = ruleSet.classRules("y");
 189     ASSERT_EQ(0u, shadowRules->size());
 190     ASSERT_EQ(1u, idRules->size());
 191     ASSERT_EQ(1u, classRules->size());
 192 }
 193
 194 TEST(RuleSetTest, findBestRuleSetAndAdd_HostAndClass)
 195 {
 196     CSSTestHelper helper;
 197
 198     helper.addCSSRules(".foo:host { }");
 199     RuleSet& ruleSet = helper.ruleSet();
 200     const WillBeHeapVector<RuleData>* rules = ruleSet.shadowHostRules();
 201     ASSERT_EQ(0u, rules->size());
 202 }
 203
 204 TEST(RuleSetTest, findBestRuleSetAndAdd_HostContextAndClass)
 205 {
 206     CSSTestHelper helper;
 207
 208     helper.addCSSRules(".foo:host-context(*) { }");
 209     RuleSet& ruleSet = helper.ruleSet();
 210     const WillBeHeapVector<RuleData>* rules = ruleSet.shadowHostRules();
 211     ASSERT_EQ(0u, rules->size());
 212 }
 213
 214 } // namespace blink