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

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#include "core/css/RuleSet.h"

#include "core/css/CSSTestHelper.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace blink {

TEST(RuleSetTest, findBestRuleSetAndAdd_CustomPseudoElements)
{
    CSSTestHelper helper;

    helper.addCSSRules("summary::-webkit-details-marker { }");
    RuleSet& ruleSet = helper.ruleSet();
    AtomicString str("-webkit-details-marker");
    const TerminatedArray<RuleData>* rules = ruleSet.shadowPseudoElementRules(str);
    ASSERT_EQ(1u, rules->size());
    ASSERT_EQ(str, rules->at(0).selector().value());
}

TEST(RuleSetTest, findBestRuleSetAndAdd_Id)
{
    CSSTestHelper helper;

    helper.addCSSRules("#id { }");
    RuleSet& ruleSet = helper.ruleSet();
    AtomicString str("id");
    const TerminatedArray<RuleData>* rules = ruleSet.idRules(str);
    ASSERT_EQ(1u, rules->size());
    ASSERT_EQ(str, rules->at(0).selector().value());
}

TEST(RuleSetTest, findBestRuleSetAndAdd_NthChild)
{
    CSSTestHelper helper;

    helper.addCSSRules("div:nth-child(2) { }");
    RuleSet& ruleSet = helper.ruleSet();
    AtomicString str("div");
    const TerminatedArray<RuleData>* rules = ruleSet.tagRules(str);
    ASSERT_EQ(1u, rules->size());
    ASSERT_EQ(str, rules->at(0).selector().tagQName().localName());
}

TEST(RuleSetTest, findBestRuleSetAndAdd_ClassThenId)
{
    CSSTestHelper helper;

    helper.addCSSRules(".class#id { }");
    RuleSet& ruleSet = helper.ruleSet();
    AtomicString str("id");
    // id is prefered over class even if class preceeds it in the selector.
    const TerminatedArray<RuleData>* rules = ruleSet.idRules(str);
    ASSERT_EQ(1u, rules->size());
    AtomicString classStr("class");
    ASSERT_EQ(classStr, rules->at(0).selector().value());
}

TEST(RuleSetTest, findBestRuleSetAndAdd_IdThenClass)
{
    CSSTestHelper helper;

    helper.addCSSRules("#id.class { }");
    RuleSet& ruleSet = helper.ruleSet();
    AtomicString str("id");
    const TerminatedArray<RuleData>* rules = ruleSet.idRules(str);
    ASSERT_EQ(1u, rules->size());
    ASSERT_EQ(str, rules->at(0).selector().value());
}

TEST(RuleSetTest, findBestRuleSetAndAdd_AttrThenId)
{
    CSSTestHelper helper;

    helper.addCSSRules("[attr]#id { }");
    RuleSet& ruleSet = helper.ruleSet();
    AtomicString str("id");
    const TerminatedArray<RuleData>* rules = ruleSet.idRules(str);
    ASSERT_EQ(1u, rules->size());
    AtomicString attrStr("attr");
    ASSERT_EQ(attrStr, rules->at(0).selector().attribute().localName());
}

TEST(RuleSetTest, findBestRuleSetAndAdd_TagThenAttrThenId)
{
    CSSTestHelper helper;

    helper.addCSSRules("div[attr]#id { }");
    RuleSet& ruleSet = helper.ruleSet();
    AtomicString str("id");
    const TerminatedArray<RuleData>* rules = ruleSet.idRules(str);
    ASSERT_EQ(1u, rules->size());
    AtomicString tagStr("div");
    ASSERT_EQ(tagStr, rules->at(0).selector().tagQName().localName());
}

TEST(RuleSetTest, findBestRuleSetAndAdd_DivWithContent)
{
    CSSTestHelper helper;

    helper.addCSSRules("div::content { }");
    RuleSet& ruleSet = helper.ruleSet();
    AtomicString str("div");
    const TerminatedArray<RuleData>* rules = ruleSet.tagRules(str);
    ASSERT_EQ(1u, rules->size());
    AtomicString valueStr("content");
    ASSERT_EQ(valueStr, rules->at(0).selector().tagHistory()->value());
}

TEST(RuleSetTest, findBestRuleSetAndAdd_Host)
{
    CSSTestHelper helper;

    helper.addCSSRules(":host { }");
    RuleSet& ruleSet = helper.ruleSet();
    const HeapVector<RuleData>* rules = ruleSet.shadowHostRules();
    ASSERT_EQ(1u, rules->size());
}

TEST(RuleSetTest, findBestRuleSetAndAdd_HostWithId)
{
    CSSTestHelper helper;

    helper.addCSSRules(":host(#x) { }");
    RuleSet& ruleSet = helper.ruleSet();
    const HeapVector<RuleData>* rules = ruleSet.shadowHostRules();
    ASSERT_EQ(1u, rules->size());
}

TEST(RuleSetTest, findBestRuleSetAndAdd_HostContext)
{
    CSSTestHelper helper;

    helper.addCSSRules(":host-context(*) { }");
    RuleSet& ruleSet = helper.ruleSet();
    const HeapVector<RuleData>* rules = ruleSet.shadowHostRules();
    ASSERT_EQ(1u, rules->size());
}

TEST(RuleSetTest, findBestRuleSetAndAdd_HostContextWithId)
{
    CSSTestHelper helper;

    helper.addCSSRules(":host-context(#x) { }");
    RuleSet& ruleSet = helper.ruleSet();
    const HeapVector<RuleData>* rules = ruleSet.shadowHostRules();
    ASSERT_EQ(1u, rules->size());
}

TEST(RuleSetTest, findBestRuleSetAndAdd_HostAndHostContextNotInRightmost)
{
    CSSTestHelper helper;

    helper.addCSSRules(":host-context(#x) .y, :host(.a) > #b  { }");
    RuleSet& ruleSet = helper.ruleSet();
    const HeapVector<RuleData>* shadowRules = ruleSet.shadowHostRules();
    const TerminatedArray<RuleData>* idRules = ruleSet.idRules("b");
    const TerminatedArray<RuleData>* classRules = ruleSet.classRules("y");
    ASSERT_EQ(0u, shadowRules->size());
    ASSERT_EQ(1u, idRules->size());
    ASSERT_EQ(1u, classRules->size());
}

TEST(RuleSetTest, findBestRuleSetAndAdd_HostAndClass)
{
    CSSTestHelper helper;

    helper.addCSSRules(".foo:host { }");
    RuleSet& ruleSet = helper.ruleSet();
    const HeapVector<RuleData>* rules = ruleSet.shadowHostRules();
    ASSERT_EQ(0u, rules->size());
}

TEST(RuleSetTest, findBestRuleSetAndAdd_HostContextAndClass)
{
    CSSTestHelper helper;

    helper.addCSSRules(".foo:host-context(*) { }");
    RuleSet& ruleSet = helper.ruleSet();
    const HeapVector<RuleData>* rules = ruleSet.shadowHostRules();
    ASSERT_EQ(0u, rules->size());
}

} // namespace blink