| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "third_party/blink/renderer/core/css/parser/css_selector_parser.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/renderer/core/css/css_selector_list.h" |
| #include "third_party/blink/renderer/core/css/css_test_helpers.h" |
| #include "third_party/blink/renderer/core/css/parser/css_parser_context.h" |
| #include "third_party/blink/renderer/core/css/parser/css_tokenizer.h" |
| #include "third_party/blink/renderer/core/css/style_sheet_contents.h" |
| #include "third_party/blink/renderer/core/dom/document.h" |
| #include "third_party/blink/renderer/core/testing/dummy_page_holder.h" |
| #include "third_party/blink/renderer/platform/heap/heap.h" |
| #include "third_party/blink/renderer/platform/instrumentation/use_counter.h" |
| #include "third_party/blink/renderer/platform/wtf/vector.h" |
| |
| namespace blink { |
| |
| typedef struct { |
| const char* input; |
| const int a; |
| const int b; |
| } ANPlusBTestCase; |
| |
| struct SelectorTestCase { |
| // The input string to parse as a selector list. |
| const char* input; |
| |
| // The expected serialization of the parsed selector list. If nullptr, then |
| // the expected serialization is the same as the input value. |
| // |
| // For selector list that are expected to fail parsing, use the empty |
| // string "". |
| const char* expected = nullptr; |
| }; |
| |
| class SelectorParseTest : public ::testing::TestWithParam<SelectorTestCase> {}; |
| |
| TEST_P(SelectorParseTest, Parse) { |
| auto param = GetParam(); |
| SCOPED_TRACE(param.input); |
| CSSSelectorList list = css_test_helpers::ParseSelectorList(param.input); |
| const char* expected = param.expected ? param.expected : param.input; |
| EXPECT_EQ(String(expected), list.SelectorsText()); |
| } |
| |
| TEST(CSSSelectorParserTest, ValidANPlusB) { |
| ANPlusBTestCase test_cases[] = { |
| {"odd", 2, 1}, |
| {"OdD", 2, 1}, |
| {"even", 2, 0}, |
| {"EveN", 2, 0}, |
| {"0", 0, 0}, |
| {"8", 0, 8}, |
| {"+12", 0, 12}, |
| {"-14", 0, -14}, |
| |
| {"0n", 0, 0}, |
| {"16N", 16, 0}, |
| {"-19n", -19, 0}, |
| {"+23n", 23, 0}, |
| {"n", 1, 0}, |
| {"N", 1, 0}, |
| {"+n", 1, 0}, |
| {"-n", -1, 0}, |
| {"-N", -1, 0}, |
| |
| {"6n-3", 6, -3}, |
| {"-26N-33", -26, -33}, |
| {"n-18", 1, -18}, |
| {"+N-5", 1, -5}, |
| {"-n-7", -1, -7}, |
| |
| {"0n+0", 0, 0}, |
| {"10n+5", 10, 5}, |
| {"10N +5", 10, 5}, |
| {"10n -5", 10, -5}, |
| {"N+6", 1, 6}, |
| {"n +6", 1, 6}, |
| {"+n -7", 1, -7}, |
| {"-N -8", -1, -8}, |
| {"-n+9", -1, 9}, |
| |
| {"33N- 22", 33, -22}, |
| {"+n- 25", 1, -25}, |
| {"N- 46", 1, -46}, |
| {"n- 0", 1, 0}, |
| {"-N- 951", -1, -951}, |
| {"-n- 951", -1, -951}, |
| |
| {"29N + 77", 29, 77}, |
| {"29n - 77", 29, -77}, |
| {"+n + 61", 1, 61}, |
| {"+N - 63", 1, -63}, |
| {"+n/**/- 48", 1, -48}, |
| {"-n + 81", -1, 81}, |
| {"-N - 88", -1, -88}, |
| |
| {"3091970736n + 1", std::numeric_limits<int>::max(), 1}, |
| {"-3091970736n + 1", std::numeric_limits<int>::min(), 1}, |
| // B is calculated as +ve first, then negated. |
| {"N- 3091970736", 1, -std::numeric_limits<int>::max()}, |
| {"N+ 3091970736", 1, std::numeric_limits<int>::max()}, |
| }; |
| |
| for (auto test_case : test_cases) { |
| SCOPED_TRACE(test_case.input); |
| |
| std::pair<int, int> ab; |
| CSSTokenizer tokenizer(test_case.input); |
| const auto tokens = tokenizer.TokenizeToEOF(); |
| CSSParserTokenRange range(tokens); |
| bool passed = CSSSelectorParser::ConsumeANPlusB(range, ab); |
| EXPECT_TRUE(passed); |
| EXPECT_EQ(test_case.a, ab.first); |
| EXPECT_EQ(test_case.b, ab.second); |
| } |
| } |
| |
| TEST(CSSSelectorParserTest, InvalidANPlusB) { |
| // Some of these have token range prefixes which are valid <an+b> and could |
| // in theory be valid in consumeANPlusB, but this behaviour isn't needed |
| // anywhere and not implemented. |
| const char* test_cases[] = { |
| " odd", "+ n", "3m+4", "12n--34", "12n- -34", |
| "12n- +34", "23n-+43", "10n 5", "10n + +5", "10n + -5", |
| }; |
| |
| for (auto* test_case : test_cases) { |
| SCOPED_TRACE(test_case); |
| |
| std::pair<int, int> ab; |
| CSSTokenizer tokenizer(test_case); |
| const auto tokens = tokenizer.TokenizeToEOF(); |
| CSSParserTokenRange range(tokens); |
| bool passed = CSSSelectorParser::ConsumeANPlusB(range, ab); |
| EXPECT_FALSE(passed); |
| } |
| } |
| |
| TEST(CSSSelectorParserTest, PseudoElementsInCompoundLists) { |
| const char* test_cases[] = {":not(::before)", |
| ":not(::content)", |
| ":host(::before)", |
| ":host(::content)", |
| ":host-context(::before)", |
| ":host-context(::content)", |
| ":-webkit-any(::after, ::before)", |
| ":-webkit-any(::content, span)"}; |
| |
| for (auto* test_case : test_cases) { |
| CSSTokenizer tokenizer(test_case); |
| const auto tokens = tokenizer.TokenizeToEOF(); |
| CSSParserTokenRange range(tokens); |
| CSSSelectorList list = CSSSelectorParser::ParseSelector( |
| range, |
| MakeGarbageCollected<CSSParserContext>( |
| kHTMLStandardMode, SecureContextMode::kInsecureContext), |
| nullptr); |
| EXPECT_FALSE(list.IsValid()); |
| } |
| } |
| |
| TEST(CSSSelectorParserTest, ValidSimpleAfterPseudoElementInCompound) { |
| const char* test_cases[] = {"::-webkit-volume-slider:hover", |
| "::selection:window-inactive", |
| "::-webkit-scrollbar:disabled", |
| "::-webkit-volume-slider:not(:hover)", |
| "::-webkit-scrollbar:not(:horizontal)", |
| "::slotted(span)::before", |
| "::slotted(div)::after"}; |
| |
| for (auto* test_case : test_cases) { |
| CSSTokenizer tokenizer(test_case); |
| const auto tokens = tokenizer.TokenizeToEOF(); |
| CSSParserTokenRange range(tokens); |
| CSSSelectorList list = CSSSelectorParser::ParseSelector( |
| range, |
| MakeGarbageCollected<CSSParserContext>( |
| kHTMLStandardMode, SecureContextMode::kInsecureContext), |
| nullptr); |
| EXPECT_TRUE(list.IsValid()); |
| } |
| } |
| |
| TEST(CSSSelectorParserTest, InvalidSimpleAfterPseudoElementInCompound) { |
| const char* test_cases[] = { |
| "::before#id", |
| "::after:hover", |
| ".class::content::before", |
| "::shadow.class", |
| "::selection:window-inactive::before", |
| "::-webkit-volume-slider.class", |
| "::before:not(.a)", |
| "::shadow:not(::after)", |
| "::-webkit-scrollbar:vertical:not(:first-child)", |
| "video::-webkit-media-text-track-region-container.scrolling", |
| "div ::before.a", |
| "::slotted(div):hover", |
| "::slotted(div)::slotted(span)", |
| "::slotted(div)::before:hover", |
| "::slotted(div)::before::slotted(span)", |
| "::slotted(*)::first-letter", |
| "::slotted(.class)::first-line", |
| "::slotted([attr])::-webkit-scrollbar"}; |
| |
| for (auto* test_case : test_cases) { |
| CSSTokenizer tokenizer(test_case); |
| const auto tokens = tokenizer.TokenizeToEOF(); |
| CSSParserTokenRange range(tokens); |
| CSSSelectorList list = CSSSelectorParser::ParseSelector( |
| range, |
| MakeGarbageCollected<CSSParserContext>( |
| kHTMLStandardMode, SecureContextMode::kInsecureContext), |
| nullptr); |
| EXPECT_FALSE(list.IsValid()); |
| } |
| } |
| |
| TEST(CSSSelectorParserTest, WorkaroundForInvalidCustomPseudoInUAStyle) { |
| // See crbug.com/578131 |
| const char* test_cases[] = { |
| "video::-webkit-media-text-track-region-container.scrolling", |
| "input[type=\"range\" i]::-webkit-media-slider-container > div"}; |
| |
| for (auto* test_case : test_cases) { |
| CSSTokenizer tokenizer(test_case); |
| const auto tokens = tokenizer.TokenizeToEOF(); |
| CSSParserTokenRange range(tokens); |
| CSSSelectorList list = CSSSelectorParser::ParseSelector( |
| range, |
| MakeGarbageCollected<CSSParserContext>( |
| kUASheetMode, SecureContextMode::kInsecureContext), |
| nullptr); |
| EXPECT_TRUE(list.IsValid()); |
| } |
| } |
| |
| TEST(CSSSelectorParserTest, InvalidPseudoElementInNonRightmostCompound) { |
| const char* test_cases[] = {"::-webkit-volume-slider *", "::before *", |
| "::-webkit-scrollbar *", "::cue *", |
| "::selection *"}; |
| |
| for (auto* test_case : test_cases) { |
| CSSTokenizer tokenizer(test_case); |
| const auto tokens = tokenizer.TokenizeToEOF(); |
| CSSParserTokenRange range(tokens); |
| CSSSelectorList list = CSSSelectorParser::ParseSelector( |
| range, |
| MakeGarbageCollected<CSSParserContext>( |
| kHTMLStandardMode, SecureContextMode::kInsecureContext), |
| nullptr); |
| EXPECT_FALSE(list.IsValid()); |
| } |
| } |
| |
| TEST(CSSSelectorParserTest, UnresolvedNamespacePrefix) { |
| const char* test_cases[] = {"ns|div", "div ns|div", "div ns|div "}; |
| |
| auto* context = MakeGarbageCollected<CSSParserContext>( |
| kHTMLStandardMode, SecureContextMode::kInsecureContext); |
| auto* sheet = MakeGarbageCollected<StyleSheetContents>(context); |
| |
| for (auto* test_case : test_cases) { |
| CSSTokenizer tokenizer(test_case); |
| const auto tokens = tokenizer.TokenizeToEOF(); |
| CSSParserTokenRange range(tokens); |
| CSSSelectorList list = |
| CSSSelectorParser::ParseSelector(range, context, sheet); |
| EXPECT_FALSE(list.IsValid()); |
| } |
| } |
| |
| TEST(CSSSelectorParserTest, UnexpectedPipe) { |
| const char* test_cases[] = {"div | .c", "| div", " | div"}; |
| |
| auto* context = MakeGarbageCollected<CSSParserContext>( |
| kHTMLStandardMode, SecureContextMode::kInsecureContext); |
| auto* sheet = MakeGarbageCollected<StyleSheetContents>(context); |
| |
| for (auto* test_case : test_cases) { |
| CSSTokenizer tokenizer(test_case); |
| const auto tokens = tokenizer.TokenizeToEOF(); |
| CSSParserTokenRange range(tokens); |
| CSSSelectorList list = |
| CSSSelectorParser::ParseSelector(range, context, sheet); |
| EXPECT_FALSE(list.IsValid()); |
| } |
| } |
| |
| TEST(CSSSelectorParserTest, SerializedUniversal) { |
| const char* test_cases[][2] = { |
| {"*::-webkit-volume-slider", "::-webkit-volume-slider"}, |
| {"*::cue(i)", "::cue(i)"}, |
| {"*:host-context(.x)", "*:host-context(.x)"}, |
| {"*:host", "*:host"}, |
| {"|*::-webkit-volume-slider", "|*::-webkit-volume-slider"}, |
| {"|*::cue(i)", "|*::cue(i)"}, |
| {"*|*::-webkit-volume-slider", "::-webkit-volume-slider"}, |
| {"*|*::cue(i)", "::cue(i)"}, |
| {"ns|*::-webkit-volume-slider", "ns|*::-webkit-volume-slider"}, |
| {"ns|*::cue(i)", "ns|*::cue(i)"}}; |
| |
| auto* context = MakeGarbageCollected<CSSParserContext>( |
| kHTMLStandardMode, SecureContextMode::kInsecureContext); |
| auto* sheet = MakeGarbageCollected<StyleSheetContents>(context); |
| sheet->ParserAddNamespace("ns", "http://ns.org"); |
| |
| for (auto** test_case : test_cases) { |
| SCOPED_TRACE(test_case[0]); |
| CSSTokenizer tokenizer(test_case[0]); |
| const auto tokens = tokenizer.TokenizeToEOF(); |
| CSSParserTokenRange range(tokens); |
| CSSSelectorList list = |
| CSSSelectorParser::ParseSelector(range, context, sheet); |
| EXPECT_TRUE(list.IsValid()); |
| EXPECT_EQ(test_case[1], list.SelectorsText()); |
| } |
| } |
| |
| TEST(CSSSelectorParserTest, AttributeSelectorUniversalInvalid) { |
| const char* test_cases[] = {"[*]", "[*|*]"}; |
| |
| auto* context = MakeGarbageCollected<CSSParserContext>( |
| kHTMLStandardMode, SecureContextMode::kInsecureContext); |
| auto* sheet = MakeGarbageCollected<StyleSheetContents>(context); |
| |
| for (auto* test_case : test_cases) { |
| SCOPED_TRACE(test_case); |
| CSSTokenizer tokenizer(test_case); |
| const auto tokens = tokenizer.TokenizeToEOF(); |
| CSSParserTokenRange range(tokens); |
| CSSSelectorList list = |
| CSSSelectorParser::ParseSelector(range, context, sheet); |
| EXPECT_FALSE(list.IsValid()); |
| } |
| } |
| |
| TEST(CSSSelectorParserTest, InternalPseudo) { |
| const char* test_cases[] = {"::-internal-whatever", |
| "::-internal-media-controls-text-track-list", |
| ":-internal-is-html", |
| ":-internal-list-box", |
| ":-internal-multi-select-focus", |
| ":-internal-shadow-host-has-appearance", |
| ":-internal-spatial-navigation-focus", |
| ":-internal-spatial-navigation-interest", |
| ":-internal-video-persistent", |
| ":-internal-video-persistent-ancestor"}; |
| for (auto* test_case : test_cases) { |
| SCOPED_TRACE(test_case); |
| CSSTokenizer tokenizer(test_case); |
| const auto tokens = tokenizer.TokenizeToEOF(); |
| CSSParserTokenRange range(tokens); |
| |
| CSSSelectorList author_list = CSSSelectorParser::ParseSelector( |
| range, |
| MakeGarbageCollected<CSSParserContext>( |
| kHTMLStandardMode, SecureContextMode::kInsecureContext), |
| nullptr); |
| EXPECT_FALSE(author_list.IsValid()); |
| |
| CSSSelectorList ua_list = CSSSelectorParser::ParseSelector( |
| range, |
| MakeGarbageCollected<CSSParserContext>( |
| kUASheetMode, SecureContextMode::kInsecureContext), |
| nullptr); |
| EXPECT_TRUE(ua_list.IsValid()); |
| } |
| } |
| |
| // Pseudo-elements are not valid within :is() as per the spec: |
| // https://drafts.csswg.org/selectors-4/#matches |
| static const SelectorTestCase invalid_pseudo_is_argments_data[] = { |
| // clang-format off |
| {":is(::-webkit-progress-bar)", ":is()"}, |
| {":is(::-webkit-progress-value)", ":is()"}, |
| {":is(::-webkit-slider-runnable-track)", ":is()"}, |
| {":is(::-webkit-slider-thumb)", ":is()"}, |
| {":is(::after)", ":is()"}, |
| {":is(::backdrop)", ":is()"}, |
| {":is(::before)", ":is()"}, |
| {":is(::cue)", ":is()"}, |
| {":is(::first-letter)", ":is()"}, |
| {":is(::first-line)", ":is()"}, |
| {":is(::grammar-error)", ":is()"}, |
| {":is(::marker)", ":is()"}, |
| {":is(::placeholder)", ":is()"}, |
| {":is(::selection)", ":is()"}, |
| {":is(::slotted)", ":is()"}, |
| {":is(::spelling-error)", ":is()"}, |
| {":is(:after)", ":is()"}, |
| {":is(:before)", ":is()"}, |
| {":is(:cue)", ":is()"}, |
| {":is(:first-letter)", ":is()"}, |
| {":is(:first-line)", ":is()"}, |
| // clang-format on |
| }; |
| |
| INSTANTIATE_TEST_SUITE_P(InvalidPseudoIsArguments, |
| SelectorParseTest, |
| testing::ValuesIn(invalid_pseudo_is_argments_data)); |
| |
| static const SelectorTestCase is_where_nesting_data[] = { |
| // clang-format off |
| // These pseudos only accept compound selectors: |
| {"::slotted(:is(.a .b))", "::slotted(:is())"}, |
| {"::slotted(:is(.a + .b))", "::slotted(:is())"}, |
| {"::slotted(:is(.a, .b + .c))", "::slotted(:is(.a))"}, |
| {":host(:is(.a .b))", ":host(:is())"}, |
| {":host(:is(.a + .b))", ":host(:is())"}, |
| {":host(:is(.a, .b + .c))", ":host(:is(.a))"}, |
| {":host-context(:is(.a .b))", ":host-context(:is())"}, |
| {":host-context(:is(.a + .b))", ":host-context(:is())"}, |
| {":host-context(:is(.a, .b + .c))", ":host-context(:is(.a))"}, |
| {"::cue(:is(.a .b))", "::cue(:is())"}, |
| {"::cue(:is(.a + .b))", "::cue(:is())"}, |
| {"::cue(:is(.a, .b + .c))", "::cue(:is(.a))"}, |
| // Only user-action pseudos + :--state are allowed after kPseudoPart: |
| {"::part(foo):is(.a)", "::part(foo):is()"}, |
| {"::part(foo):is(.a:hover)", "::part(foo):is()"}, |
| {"::part(foo):is(:hover.a)", "::part(foo):is()"}, |
| {"::part(foo):is(:hover + .a)", "::part(foo):is()"}, |
| {"::part(foo):is(.a + :hover)", "::part(foo):is()"}, |
| {"::part(foo):is(:hover:enabled)", "::part(foo):is()"}, |
| {"::part(foo):is(:enabled:hover)", "::part(foo):is()"}, |
| {"::part(foo):is(:hover, :where(.a))", |
| "::part(foo):is(:hover, :where())"}, |
| {"::part(foo):is(:hover, .a)", "::part(foo):is(:hover)"}, |
| {"::part(foo):is(:--bar, .a)", "::part(foo):is(:--bar)"}, |
| {"::part(foo):is(:enabled)", "::part(foo):is()"}, |
| // Only scrollbar pseudos after kPseudoScrollbar: |
| {"::-webkit-scrollbar:is(:focus)", "::-webkit-scrollbar:is()"}, |
| // Only :window-inactive after kPseudoSelection: |
| {"::selection:is(:focus)", "::selection:is()"}, |
| // Only user-action pseudos after webkit pseudos: |
| {"::-webkit-input-placeholder:is(:enabled)", |
| "::-webkit-input-placeholder:is()"}, |
| {"::-webkit-input-placeholder:is(:not(:enabled))", |
| "::-webkit-input-placeholder:is()"}, |
| |
| // Valid selectors: |
| {":is(.a, .b)"}, |
| {":is(.a .b, .c)"}, |
| {":is(.a :is(.b .c), .d)"}, |
| {":is(.a :where(.b .c), .d)"}, |
| {":where(.a :is(.b .c), .d)"}, |
| {":not(:is(.a))"}, |
| {":not(:is(.a, .b))"}, |
| {":not(:is(.a + .b, .c .d))"}, |
| {":not(:where(:not(.a)))"}, |
| {"::slotted(:is(.a))"}, |
| {"::slotted(:is(div.a))"}, |
| {"::slotted(:is(.a, .b))"}, |
| {":host(:is(.a))"}, |
| {":host(:is(div.a))"}, |
| {":host(:is(.a, .b))"}, |
| {":host-context(:is(.a))"}, |
| {":host-context(:is(div.a))"}, |
| {":host-context(:is(.a, .b))"}, |
| {"::cue(:is(.a))"}, |
| {"::cue(:is(div.a))"}, |
| {"::cue(:is(.a, .b))"}, |
| {"::part(foo):is(:hover)"}, |
| {"::part(foo):is(:hover:focus)"}, |
| {"::part(foo):is(:is(:hover))"}, |
| {"::part(foo):is(:focus, :hover)"}, |
| {"::part(foo):is(:focus, :is(:hover))"}, |
| {"::part(foo):is(:focus, :--bar)"}, |
| {"::-webkit-scrollbar:is(:enabled)"}, |
| {"::selection:is(:window-inactive)"}, |
| {"::-webkit-input-placeholder:is(:hover)"}, |
| {"::-webkit-input-placeholder:is(:not(:hover))"}, |
| {"::-webkit-input-placeholder:where(:hover)"}, |
| {"::-webkit-input-placeholder:is()"}, |
| {"::-webkit-input-placeholder:is(:where(:hover))"}, |
| // clang-format on |
| }; |
| |
| INSTANTIATE_TEST_SUITE_P(NestedSelectorValidity, |
| SelectorParseTest, |
| testing::ValuesIn(is_where_nesting_data)); |
| |
| static const SelectorTestCase is_where_forgiving_data[] = { |
| // clang-format off |
| {":is():where()"}, |
| {":is(.a, .b):where(.c)"}, |
| {":is(.a, :unknown, .b)", ":is(.a, .b)"}, |
| {":where(.a, :unknown, .b)", ":where(.a, .b)"}, |
| {":is(.a, :unknown)", ":is(.a)"}, |
| {":is(:unknown, .a)", ":is(.a)"}, |
| {":is(:unknown)", ":is()"}, |
| {":is(:unknown, :where(.a))", ":is(:where(.a))"}, |
| {":is(:unknown, :where(:unknown))", ":is(:where())"}, |
| {":is(.a, :is(.b, :unknown), .c)", ":is(.a, :is(.b), .c)"}, |
| {":host(:is(.a, .b + .c, .d))", ":host(:is(.a, .d))"}, |
| {":is(,, ,, )", ":is()"}, |
| {":is(.a,,,,)", ":is(.a)"}, |
| {":is(,,.a,,)", ":is(.a)"}, |
| {":is(,,,,.a)", ":is(.a)"}, |
| {":is(@x {,.b,}, .a)", ":is(.a)"}, |
| {":is({,.b,} @x, .a)", ":is(.a)"}, |
| {":is((@x), .a)", ":is(.a)"}, |
| {":is((.b), .a)", ":is(.a)"}, |
| // clang-format on |
| }; |
| |
| INSTANTIATE_TEST_SUITE_P(IsWhereForgiving, |
| SelectorParseTest, |
| testing::ValuesIn(is_where_forgiving_data)); |
| namespace { |
| |
| const auto TagLocalName = [](const CSSSelector* selector) { |
| return selector->TagQName().LocalName(); |
| }; |
| |
| const auto AttributeLocalName = [](const CSSSelector* selector) { |
| return selector->Attribute().LocalName(); |
| }; |
| |
| const auto SelectorValue = [](const CSSSelector* selector) { |
| return selector->Value(); |
| }; |
| |
| struct ASCIILowerTestCase { |
| const char* input; |
| const char16_t* expected; |
| std::function<AtomicString(const CSSSelector*)> getter; |
| }; |
| |
| } // namespace |
| |
| TEST(CSSSelectorParserTest, ASCIILowerHTMLStrict) { |
| const ASCIILowerTestCase test_cases[] = { |
| {"\\212a bd", u"\u212abd", TagLocalName}, |
| {"[\\212alass]", u"\u212alass", AttributeLocalName}, |
| {".\\212alass", u"\u212alass", SelectorValue}, |
| {"#\\212alass", u"\u212alass", SelectorValue}}; |
| |
| auto* context = MakeGarbageCollected<CSSParserContext>( |
| kHTMLStandardMode, SecureContextMode::kInsecureContext); |
| auto* sheet = MakeGarbageCollected<StyleSheetContents>(context); |
| |
| for (auto test_case : test_cases) { |
| SCOPED_TRACE(test_case.input); |
| CSSTokenizer tokenizer(test_case.input); |
| const auto tokens = tokenizer.TokenizeToEOF(); |
| CSSParserTokenRange range(tokens); |
| CSSSelectorList list = |
| CSSSelectorParser::ParseSelector(range, context, sheet); |
| EXPECT_TRUE(list.IsValid()); |
| const CSSSelector* selector = list.First(); |
| ASSERT_TRUE(selector); |
| EXPECT_EQ(AtomicString(test_case.expected), test_case.getter(selector)); |
| } |
| } |
| |
| TEST(CSSSelectorParserTest, ASCIILowerHTMLQuirks) { |
| const ASCIILowerTestCase test_cases[] = { |
| {"\\212a bd", u"\u212abd", TagLocalName}, |
| {"[\\212alass]", u"\u212alass", AttributeLocalName}, |
| {".\\212aLASS", u"\u212alass", SelectorValue}, |
| {"#\\212aLASS", u"\u212alass", SelectorValue}}; |
| |
| auto* context = MakeGarbageCollected<CSSParserContext>( |
| kHTMLQuirksMode, SecureContextMode::kInsecureContext); |
| auto* sheet = MakeGarbageCollected<StyleSheetContents>(context); |
| |
| for (auto test_case : test_cases) { |
| SCOPED_TRACE(test_case.input); |
| CSSTokenizer tokenizer(test_case.input); |
| const auto tokens = tokenizer.TokenizeToEOF(); |
| CSSParserTokenRange range(tokens); |
| CSSSelectorList list = |
| CSSSelectorParser::ParseSelector(range, context, sheet); |
| EXPECT_TRUE(list.IsValid()); |
| const CSSSelector* selector = list.First(); |
| ASSERT_TRUE(selector); |
| EXPECT_EQ(AtomicString(test_case.expected), test_case.getter(selector)); |
| } |
| } |
| |
| TEST(CSSSelectorParserTest, ShadowPartPseudoElementValid) { |
| const char* test_cases[] = {"::part(ident)", |
| "host::part(ident)", |
| "host::part(ident):hover"}; |
| |
| for (auto* test_case : test_cases) { |
| SCOPED_TRACE(test_case); |
| CSSTokenizer tokenizer(test_case); |
| const auto tokens = tokenizer.TokenizeToEOF(); |
| CSSParserTokenRange range(tokens); |
| CSSSelectorList list = CSSSelectorParser::ParseSelector( |
| range, |
| MakeGarbageCollected<CSSParserContext>( |
| kHTMLStandardMode, SecureContextMode::kInsecureContext), |
| nullptr); |
| EXPECT_EQ(test_case, list.SelectorsText()); |
| } |
| } |
| |
| TEST(CSSSelectorParserTest, ShadowPartAndBeforeAfterPseudoElementValid) { |
| const char* test_cases[] = { |
| "::part(ident)::before", "::part(ident)::after", |
| "::part(ident)::placeholder", "::part(ident)::first-line", |
| "::part(ident)::first-letter", "::part(ident)::selection"}; |
| |
| for (auto* test_case : test_cases) { |
| SCOPED_TRACE(test_case); |
| CSSTokenizer tokenizer(test_case); |
| const auto tokens = tokenizer.TokenizeToEOF(); |
| CSSParserTokenRange range(tokens); |
| CSSSelectorList list = CSSSelectorParser::ParseSelector( |
| range, |
| MakeGarbageCollected<CSSParserContext>( |
| kHTMLStandardMode, SecureContextMode::kInsecureContext), |
| nullptr); |
| EXPECT_EQ(test_case, list.SelectorsText()); |
| } |
| } |
| |
| static bool IsCounted(const char* selector, |
| CSSParserMode mode, |
| WebFeature feature) { |
| auto dummy_holder = std::make_unique<DummyPageHolder>(IntSize(500, 500)); |
| Document* doc = &dummy_holder->GetDocument(); |
| Page::InsertOrdinaryPageForTesting(&dummy_holder->GetPage()); |
| auto* context = MakeGarbageCollected<CSSParserContext>( |
| mode, SecureContextMode::kSecureContext, CSSParserContext::kLiveProfile, |
| doc); |
| auto* sheet = MakeGarbageCollected<StyleSheetContents>(context); |
| |
| DCHECK(!doc->IsUseCounted(feature)); |
| |
| CSSTokenizer tokenizer(selector); |
| const auto tokens = tokenizer.TokenizeToEOF(); |
| CSSParserTokenRange range(tokens); |
| CSSSelectorParser::ParseSelector(range, context, sheet); |
| |
| return doc->IsUseCounted(feature); |
| } |
| |
| TEST(CSSSelectorParserTest, UseCountShadowPseudo) { |
| auto ExpectCount = [](const char* selector, WebFeature feature) { |
| SCOPED_TRACE(selector); |
| EXPECT_TRUE(IsCounted(selector, kHTMLStandardMode, feature)); |
| }; |
| |
| ExpectCount("::cue", WebFeature::kCSSSelectorCue); |
| ExpectCount("::-internal-media-controls-overlay-cast-button", |
| WebFeature::kCSSSelectorInternalMediaControlsOverlayCastButton); |
| ExpectCount("::-webkit-calendar-picker-indicator", |
| WebFeature::kCSSSelectorWebkitCalendarPickerIndicator); |
| ExpectCount("::-webkit-clear-button", |
| WebFeature::kCSSSelectorWebkitClearButton); |
| ExpectCount("::-webkit-color-swatch", |
| WebFeature::kCSSSelectorWebkitColorSwatch); |
| ExpectCount("::-webkit-color-swatch-wrapper", |
| WebFeature::kCSSSelectorWebkitColorSwatchWrapper); |
| ExpectCount("::-webkit-date-and-time-value", |
| WebFeature::kCSSSelectorWebkitDateAndTimeValue); |
| ExpectCount("::-webkit-datetime-edit", |
| WebFeature::kCSSSelectorWebkitDatetimeEdit); |
| ExpectCount("::-webkit-datetime-edit-ampm-field", |
| WebFeature::kCSSSelectorWebkitDatetimeEditAmpmField); |
| ExpectCount("::-webkit-datetime-edit-day-field", |
| WebFeature::kCSSSelectorWebkitDatetimeEditDayField); |
| ExpectCount("::-webkit-datetime-edit-fields-wrapper", |
| WebFeature::kCSSSelectorWebkitDatetimeEditFieldsWrapper); |
| ExpectCount("::-webkit-datetime-edit-hour-field", |
| WebFeature::kCSSSelectorWebkitDatetimeEditHourField); |
| ExpectCount("::-webkit-datetime-edit-millisecond-field", |
| WebFeature::kCSSSelectorWebkitDatetimeEditMillisecondField); |
| ExpectCount("::-webkit-datetime-edit-minute-field", |
| WebFeature::kCSSSelectorWebkitDatetimeEditMinuteField); |
| ExpectCount("::-webkit-datetime-edit-month-field", |
| WebFeature::kCSSSelectorWebkitDatetimeEditMonthField); |
| ExpectCount("::-webkit-datetime-edit-second-field", |
| WebFeature::kCSSSelectorWebkitDatetimeEditSecondField); |
| ExpectCount("::-webkit-datetime-edit-text", |
| WebFeature::kCSSSelectorWebkitDatetimeEditText); |
| ExpectCount("::-webkit-datetime-edit-week-field", |
| WebFeature::kCSSSelectorWebkitDatetimeEditWeekField); |
| ExpectCount("::-webkit-datetime-edit-year-field", |
| WebFeature::kCSSSelectorWebkitDatetimeEditYearField); |
| ExpectCount("::-webkit-details-marker", |
| WebFeature::kCSSSelectorWebkitDetailsMarker); |
| ExpectCount("::-webkit-file-upload-button", |
| WebFeature::kCSSSelectorWebkitFileUploadButton); |
| ExpectCount("::-webkit-inner-spin-button", |
| WebFeature::kCSSSelectorWebkitInnerSpinButton); |
| ExpectCount("::-webkit-input-placeholder", |
| WebFeature::kCSSSelectorWebkitInputPlaceholder); |
| ExpectCount("::-webkit-media-controls", |
| WebFeature::kCSSSelectorWebkitMediaControls); |
| ExpectCount("::-webkit-media-controls-current-time-display", |
| WebFeature::kCSSSelectorWebkitMediaControlsCurrentTimeDisplay); |
| ExpectCount("::-webkit-media-controls-enclosure", |
| WebFeature::kCSSSelectorWebkitMediaControlsEnclosure); |
| ExpectCount("::-webkit-media-controls-fullscreen-button", |
| WebFeature::kCSSSelectorWebkitMediaControlsFullscreenButton); |
| ExpectCount("::-webkit-media-controls-mute-button", |
| WebFeature::kCSSSelectorWebkitMediaControlsMuteButton); |
| ExpectCount("::-webkit-media-controls-overlay-enclosure", |
| WebFeature::kCSSSelectorWebkitMediaControlsOverlayEnclosure); |
| ExpectCount("::-webkit-media-controls-overlay-play-button", |
| WebFeature::kCSSSelectorWebkitMediaControlsOverlayPlayButton); |
| ExpectCount("::-webkit-media-controls-panel", |
| WebFeature::kCSSSelectorWebkitMediaControlsPanel); |
| ExpectCount("::-webkit-media-controls-play-button", |
| WebFeature::kCSSSelectorWebkitMediaControlsPlayButton); |
| ExpectCount("::-webkit-media-controls-timeline", |
| WebFeature::kCSSSelectorWebkitMediaControlsTimeline); |
| ExpectCount("::-webkit-media-controls-timeline-container", |
| WebFeature::kCSSSelectorWebkitMediaControlsTimelineContainer); |
| ExpectCount("::-webkit-media-controls-time-remaining-display", |
| WebFeature::kCSSSelectorWebkitMediaControlsTimeRemainingDisplay); |
| ExpectCount( |
| "::-webkit-media-controls-toggle-closed-captions-button", |
| WebFeature::kCSSSelectorWebkitMediaControlsToggleClosedCaptionsButton); |
| ExpectCount("::-webkit-media-controls-volume-slider", |
| WebFeature::kCSSSelectorWebkitMediaControlsVolumeSlider); |
| ExpectCount("::-webkit-media-slider-container", |
| WebFeature::kCSSSelectorWebkitMediaSliderContainer); |
| ExpectCount("::-webkit-media-slider-thumb", |
| WebFeature::kCSSSelectorWebkitMediaSliderThumb); |
| ExpectCount("::-webkit-media-text-track-container", |
| WebFeature::kCSSSelectorWebkitMediaTextTrackContainer); |
| ExpectCount("::-webkit-media-text-track-display", |
| WebFeature::kCSSSelectorWebkitMediaTextTrackDisplay); |
| ExpectCount("::-webkit-media-text-track-region", |
| WebFeature::kCSSSelectorWebkitMediaTextTrackRegion); |
| ExpectCount("::-webkit-media-text-track-region-container", |
| WebFeature::kCSSSelectorWebkitMediaTextTrackRegionContainer); |
| ExpectCount("::-webkit-meter-bar", WebFeature::kCSSSelectorWebkitMeterBar); |
| ExpectCount("::-webkit-meter-even-less-good-value", |
| WebFeature::kCSSSelectorWebkitMeterEvenLessGoodValue); |
| ExpectCount("::-webkit-meter-inner-element", |
| WebFeature::kCSSSelectorWebkitMeterInnerElement); |
| ExpectCount("::-webkit-meter-optimum-value", |
| WebFeature::kCSSSelectorWebkitMeterOptimumValue); |
| ExpectCount("::-webkit-meter-suboptimum-value", |
| WebFeature::kCSSSelectorWebkitMeterSuboptimumValue); |
| ExpectCount("::-webkit-progress-bar", |
| WebFeature::kCSSSelectorWebkitProgressBar); |
| ExpectCount("::-webkit-progress-inner-element", |
| WebFeature::kCSSSelectorWebkitProgressInnerElement); |
| ExpectCount("::-webkit-progress-value", |
| WebFeature::kCSSSelectorWebkitProgressValue); |
| ExpectCount("::-webkit-search-cancel-button", |
| WebFeature::kCSSSelectorWebkitSearchCancelButton); |
| ExpectCount("::-webkit-slider-container", |
| WebFeature::kCSSSelectorWebkitSliderContainer); |
| ExpectCount("::-webkit-slider-runnable-track", |
| WebFeature::kCSSSelectorWebkitSliderRunnableTrack); |
| ExpectCount("::-webkit-slider-thumb", |
| WebFeature::kCSSSelectorWebkitSliderThumb); |
| ExpectCount("::-webkit-textfield-decoration-container", |
| WebFeature::kCSSSelectorWebkitTextfieldDecorationContainer); |
| ExpectCount("::-webkit-unrecognized", |
| WebFeature::kCSSSelectorWebkitUnknownPseudo); |
| } |
| |
| TEST(CSSSelectorParserTest, IsWhereUseCount) { |
| const auto is_feature = WebFeature::kCSSSelectorPseudoIs; |
| EXPECT_FALSE(IsCounted(".a", kHTMLStandardMode, is_feature)); |
| EXPECT_FALSE(IsCounted(":not(.a)", kHTMLStandardMode, is_feature)); |
| EXPECT_FALSE(IsCounted(":where(.a)", kHTMLStandardMode, is_feature)); |
| EXPECT_TRUE(IsCounted(":is()", kHTMLStandardMode, is_feature)); |
| EXPECT_TRUE(IsCounted(":is(.a)", kHTMLStandardMode, is_feature)); |
| EXPECT_TRUE(IsCounted(":not(:is(.a))", kHTMLStandardMode, is_feature)); |
| EXPECT_TRUE(IsCounted(".a:is(.b)", kHTMLStandardMode, is_feature)); |
| EXPECT_TRUE(IsCounted(":is(.a).b", kHTMLStandardMode, is_feature)); |
| EXPECT_FALSE(IsCounted(":is(.a)", kUASheetMode, is_feature)); |
| |
| const auto where_feature = WebFeature::kCSSSelectorPseudoWhere; |
| EXPECT_FALSE(IsCounted(".a", kHTMLStandardMode, where_feature)); |
| EXPECT_FALSE(IsCounted(":not(.a)", kHTMLStandardMode, where_feature)); |
| EXPECT_FALSE(IsCounted(":is(.a)", kHTMLStandardMode, where_feature)); |
| EXPECT_TRUE(IsCounted(":where()", kHTMLStandardMode, where_feature)); |
| EXPECT_TRUE(IsCounted(":where(.a)", kHTMLStandardMode, where_feature)); |
| EXPECT_TRUE(IsCounted(":not(:where(.a))", kHTMLStandardMode, where_feature)); |
| EXPECT_TRUE(IsCounted(".a:where(.b)", kHTMLStandardMode, where_feature)); |
| EXPECT_TRUE(IsCounted(":where(.a).b", kHTMLStandardMode, where_feature)); |
| EXPECT_FALSE(IsCounted(":where(.a)", kUASheetMode, where_feature)); |
| } |
| |
| TEST(CSSSelectorParserTest, ImplicitShadowCrossingCombinators) { |
| struct ShadowCombinatorTest { |
| const char* input; |
| Vector<std::pair<AtomicString, CSSSelector::RelationType>> expectation; |
| }; |
| |
| const ShadowCombinatorTest test_cases[] = { |
| { |
| "*::placeholder", |
| { |
| {"placeholder", CSSSelector::kUAShadow}, |
| {g_null_atom, CSSSelector::kSubSelector}, |
| }, |
| }, |
| { |
| "div::slotted(*)", |
| { |
| {"slotted", CSSSelector::kShadowSlot}, |
| {"div", CSSSelector::kSubSelector}, |
| }, |
| }, |
| { |
| "::slotted(*)::placeholder", |
| { |
| {"placeholder", CSSSelector::kUAShadow}, |
| {"slotted", CSSSelector::kShadowSlot}, |
| {g_null_atom, CSSSelector::kSubSelector}, |
| }, |
| }, |
| { |
| "span::part(my-part)", |
| { |
| {"part", CSSSelector::kShadowPart}, |
| {"span", CSSSelector::kSubSelector}, |
| }, |
| }, |
| { |
| "video::-webkit-media-controls", |
| { |
| {"-webkit-media-controls", CSSSelector::kUAShadow}, |
| {"video", CSSSelector::kSubSelector}, |
| }, |
| }, |
| }; |
| |
| auto* context = MakeGarbageCollected<CSSParserContext>( |
| kHTMLStandardMode, SecureContextMode::kInsecureContext); |
| auto* sheet = MakeGarbageCollected<StyleSheetContents>(context); |
| |
| for (auto test_case : test_cases) { |
| SCOPED_TRACE(test_case.input); |
| CSSTokenizer tokenizer(test_case.input); |
| const auto tokens = tokenizer.TokenizeToEOF(); |
| CSSParserTokenRange range(tokens); |
| CSSSelectorList list = |
| CSSSelectorParser::ParseSelector(range, context, sheet); |
| EXPECT_TRUE(list.IsValid()); |
| const CSSSelector* selector = list.First(); |
| for (auto sub_expectation : test_case.expectation) { |
| ASSERT_TRUE(selector); |
| AtomicString selector_value = selector->Match() == CSSSelector::kTag |
| ? selector->TagQName().LocalName() |
| : selector->Value(); |
| EXPECT_EQ(sub_expectation.first, selector_value); |
| EXPECT_EQ(sub_expectation.second, selector->Relation()); |
| selector = selector->TagHistory(); |
| } |
| EXPECT_FALSE(selector); |
| } |
| } |
| |
| } // namespace blink |
