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LibWeb/CSS: Parse media-feature values forgivingly
Instead of rejecting invalid media-feature values at parse time, we are expected to parse them, and then treat them as Unknown when evaluating their media query. To implement this, we first try to parse a valid value as before. If that fails, or we have any trailing tokens that could be part of a value, we then scoop up all the possible ComponentValues and treat that as an "unknown"-type MediaFeatureValue. This gets us 66 WPT passes.
This commit is contained in:
Sam Atkins
parent
72f50217b0
commit
9b8dc6b8d0
Notes:
github-actions[bot]
2025-05-23 09:19:18 +00:00
Author: https://github.com/AtkinsSJ
Commit: 9b8dc6b8d0
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4817
15 changed files with 228 additions and 146 deletions
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@ -36,6 +36,9 @@ String MediaFeatureValue::to_string() const
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if (integer.is_calculated())
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return integer.calculated()->to_string(SerializationMode::Normal);
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return String::number(integer.value());
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},
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[&](Vector<Parser::ComponentValue> const& values) {
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return serialize_a_series_of_component_values(values);
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});
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}
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@ -46,7 +49,8 @@ bool MediaFeatureValue::is_same_type(MediaFeatureValue const& other) const
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[&](LengthOrCalculated const&) { return other.is_length(); },
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[&](Ratio const&) { return other.is_ratio(); },
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[&](ResolutionOrCalculated const&) { return other.is_resolution(); },
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[&](IntegerOrCalculated const&) { return other.is_integer(); });
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[&](IntegerOrCalculated const&) { return other.is_integer(); },
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[&](Vector<Parser::ComponentValue> const&) { return other.is_unknown(); });
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}
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String MediaFeature::to_string() const
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@ -149,6 +153,9 @@ MatchResult MediaFeature::evaluate(HTML::Window const* window) const
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MatchResult MediaFeature::compare(HTML::Window const& window, MediaFeatureValue const& left, Comparison comparison, MediaFeatureValue const& right)
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{
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if (left.is_unknown() || right.is_unknown())
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return MatchResult::Unknown;
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if (!left.is_same_type(right))
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return MatchResult::False;
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@ -14,6 +14,7 @@
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#include <LibWeb/CSS/BooleanExpression.h>
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#include <LibWeb/CSS/CalculatedOr.h>
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#include <LibWeb/CSS/MediaFeatureID.h>
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#include <LibWeb/CSS/Parser/ComponentValue.h>
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#include <LibWeb/CSS/Ratio.h>
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namespace Web::CSS {
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@ -51,6 +52,11 @@ public:
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{
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}
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explicit MediaFeatureValue(Vector<Parser::ComponentValue> unknown_tokens)
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: m_value(move(unknown_tokens))
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{
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}
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String to_string() const;
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bool is_ident() const { return m_value.has<Keyword>(); }
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@ -58,6 +64,7 @@ public:
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bool is_integer() const { return m_value.has<IntegerOrCalculated>(); }
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bool is_ratio() const { return m_value.has<Ratio>(); }
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bool is_resolution() const { return m_value.has<ResolutionOrCalculated>(); }
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bool is_unknown() const { return m_value.has<Vector<Parser::ComponentValue>>(); }
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bool is_same_type(MediaFeatureValue const& other) const;
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Keyword const& ident() const
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@ -91,7 +98,7 @@ public:
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}
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private:
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Variant<Keyword, LengthOrCalculated, Ratio, ResolutionOrCalculated, IntegerOrCalculated> m_value;
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Variant<Keyword, LengthOrCalculated, Ratio, ResolutionOrCalculated, IntegerOrCalculated, Vector<Parser::ComponentValue>> m_value;
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};
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// https://www.w3.org/TR/mediaqueries-4/#mq-features
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@ -1,7 +1,7 @@
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/*
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* Copyright (c) 2018-2022, Andreas Kling <andreas@ladybird.org>
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* Copyright (c) 2020-2021, the SerenityOS developers.
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* Copyright (c) 2021-2024, Sam Atkins <sam@ladybird.org>
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* Copyright (c) 2021-2025, Sam Atkins <sam@ladybird.org>
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* Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
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* Copyright (c) 2022, MacDue <macdue@dueutil.tech>
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*
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@ -314,7 +314,7 @@ OwnPtr<MediaFeature> Parser::parse_media_feature(TokenStream<ComponentValue>& to
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// `<mf-name> <mf-comparison> <mf-value>`
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// NOTE: We have to check for <mf-name> first, since all <mf-name>s will also parse as <mf-value>.
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if (auto maybe_name = parse_mf_name(tokens, false); maybe_name.has_value() && media_feature_type_is_range(maybe_name->id)) {
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if (auto maybe_name = parse_mf_name(tokens, false); maybe_name.has_value()) {
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tokens.discard_whitespace();
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if (auto maybe_comparison = parse_comparison(tokens); maybe_comparison.has_value()) {
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tokens.discard_whitespace();
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@ -352,7 +352,7 @@ OwnPtr<MediaFeature> Parser::parse_media_feature(TokenStream<ComponentValue>& to
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}
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// Now, we can parse the range properly.
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if (maybe_name.has_value() && media_feature_type_is_range(maybe_name->id)) {
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if (maybe_name.has_value()) {
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if (auto maybe_left_value = parse_media_feature_value(maybe_name->id, tokens); maybe_left_value.has_value()) {
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tokens.discard_whitespace();
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if (auto maybe_left_comparison = parse_comparison(tokens); maybe_left_comparison.has_value()) {
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@ -428,9 +428,52 @@ Optional<MediaQuery::MediaType> Parser::parse_media_type(TokenStream<ComponentVa
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};
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}
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static bool is_media_feature_value_token(ComponentValue const& component_value)
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{
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if (!component_value.is_token())
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return true;
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switch (component_value.token().type()) {
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case Token::Type::Ident:
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case Token::Type::Function:
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case Token::Type::AtKeyword:
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case Token::Type::Hash:
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case Token::Type::String:
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case Token::Type::BadString:
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case Token::Type::Url:
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case Token::Type::BadUrl:
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case Token::Type::Number:
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case Token::Type::Percentage:
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case Token::Type::Dimension:
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case Token::Type::Whitespace:
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case Token::Type::Comma:
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return true;
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case Token::Type::Delim:
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// FIXME: What list of delimiters should we actually allow here?
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return !first_is_one_of(component_value.token().delim(), static_cast<u32>('<'), static_cast<u32>('>'), static_cast<u32>('='));
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case Token::Type::Invalid:
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case Token::Type::EndOfFile:
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case Token::Type::CDO:
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case Token::Type::CDC:
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case Token::Type::Colon:
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case Token::Type::Semicolon:
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case Token::Type::OpenSquare:
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case Token::Type::CloseSquare:
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case Token::Type::OpenParen:
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case Token::Type::CloseParen:
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case Token::Type::OpenCurly:
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case Token::Type::CloseCurly:
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return false;
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}
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VERIFY_NOT_REACHED();
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}
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// `<mf-value>`, https://www.w3.org/TR/mediaqueries-4/#typedef-mf-value
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Optional<MediaFeatureValue> Parser::parse_media_feature_value(MediaFeatureID media_feature, TokenStream<ComponentValue>& tokens)
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{
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{
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auto transaction = tokens.begin_transaction();
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auto value = [this](MediaFeatureID media_feature, TokenStream<ComponentValue>& tokens) -> Optional<MediaFeatureValue> {
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// One branch for each member of the MediaFeatureValueType enum:
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// Identifiers
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if (tokens.next_token().is(Token::Type::Ident)) {
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auto transaction = tokens.begin_transaction();
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@ -442,8 +485,6 @@ Optional<MediaFeatureValue> Parser::parse_media_feature_value(MediaFeatureID med
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}
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}
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// One branch for each member of the MediaFeatureValueType enum:
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// Boolean (<mq-boolean> in the spec: a 1 or 0)
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if (media_feature_accepts_type(media_feature, MediaFeatureValueType::Boolean)) {
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auto transaction = tokens.begin_transaction();
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@ -495,6 +536,42 @@ Optional<MediaFeatureValue> Parser::parse_media_feature_value(MediaFeatureID med
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}
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}
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return {};
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}(media_feature, tokens);
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if (value.has_value()) {
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tokens.discard_whitespace();
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// Only returned the value if there are no trailing tokens.
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// Otherwise, the transaction gets reverted and we consume all the value tokens below.
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if (!is_media_feature_value_token(tokens.next_token())) {
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transaction.commit();
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return value.release_value();
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}
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}
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}
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// Parsing failed somehow, so wrap all the tokens into an "unknown" MediaFeatureValue if possible.
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auto transaction = tokens.begin_transaction();
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tokens.discard_whitespace();
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Vector<ComponentValue> unknown_tokens;
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// Consume any tokens that could be part of a value.
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while (tokens.has_next_token()) {
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if (is_media_feature_value_token(tokens.next_token())) {
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unknown_tokens.append(tokens.consume_a_token());
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} else {
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break;
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}
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}
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if (!unknown_tokens.is_empty()) {
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transaction.commit();
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dbgln_if(CSS_PARSER_DEBUG, "Creating unknown media value: `{}`", String::join(""sv, unknown_tokens));
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return MediaFeatureValue(move(unknown_tokens));
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}
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return {};
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}
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@ -2,22 +2,21 @@ Harness status: OK
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Found 17 tests
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12 Pass
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5 Fail
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17 Pass
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Pass Should be known: '(display-mode)'
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Pass Should be known: '(display-mode: standalone)'
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Pass Should be known: '(display-mode: browser)'
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Pass Should be known: '(display-mode: minimal-ui)'
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Pass Should be known: '(display-mode: fullscreen)'
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Pass Should be known: '(display-mode: picture-in-picture)'
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Fail Should be parseable: '(display-mode: 0)'
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Pass Should be parseable: '(display-mode: 0)'
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Pass Should be unknown: '(display-mode: 0)'
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Fail Should be parseable: '(display-mode: none)'
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Pass Should be parseable: '(display-mode: none)'
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Pass Should be unknown: '(display-mode: none)'
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Fail Should be parseable: '(display-mode: random)'
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Pass Should be parseable: '(display-mode: random)'
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Pass Should be unknown: '(display-mode: random)'
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Fail Should be parseable: '(display-mode: 10px)'
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Pass Should be parseable: '(display-mode: 10px)'
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Pass Should be unknown: '(display-mode: 10px)'
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Fail Should be parseable: '(display-mode: 1%)'
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Pass Should be parseable: '(display-mode: 1%)'
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Pass Should be unknown: '(display-mode: 1%)'
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Pass Check that display-mode evaluates to true in the boolean context
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@ -2,25 +2,25 @@ Harness status: OK
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Found 23 tests
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15 Pass
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8 Fail
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21 Pass
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2 Fail
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Pass Should be known: '(dynamic-range: standard)'
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Pass Should be known: '(dynamic-range: high)'
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Pass Should be known: '(video-dynamic-range: standard)'
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Pass Should be known: '(video-dynamic-range: high)'
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Pass Should be known: '(dynamic-range)'
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Pass Should be known: '(video-dynamic-range)'
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Fail Should be parseable: '(dynamic-range: 0)'
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Pass Should be parseable: '(dynamic-range: 0)'
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Pass Should be unknown: '(dynamic-range: 0)'
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Fail Should be parseable: '(dynamic-range: 10px)'
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Pass Should be parseable: '(dynamic-range: 10px)'
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Pass Should be unknown: '(dynamic-range: 10px)'
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Fail Should be parseable: '(dynamic-range: invalid)'
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Pass Should be parseable: '(dynamic-range: invalid)'
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Pass Should be unknown: '(dynamic-range: invalid)'
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Fail Should be parseable: '(video-dynamic-range: 0)'
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Pass Should be parseable: '(video-dynamic-range: 0)'
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Pass Should be unknown: '(video-dynamic-range: 0)'
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Fail Should be parseable: '(video-dynamic-range: 10px)'
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Pass Should be parseable: '(video-dynamic-range: 10px)'
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Pass Should be unknown: '(video-dynamic-range: 10px)'
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Fail Should be parseable: '(video-dynamic-range: invalid)'
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Pass Should be parseable: '(video-dynamic-range: invalid)'
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Pass Should be unknown: '(video-dynamic-range: invalid)'
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Fail Check that dynamic-range evaluates to false in the boolean context
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Fail Check that video-dynamic-range evaluates to false in the boolean context
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@ -2,21 +2,20 @@ Harness status: OK
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Found 16 tests
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10 Pass
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6 Fail
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16 Pass
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Pass Should be known: '(forced-colors)'
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Pass Should be known: '(forced-colors: none)'
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Pass Should be known: '(forced-colors: active)'
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Fail Should be parseable: '(forced-colors: 0)'
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Pass Should be parseable: '(forced-colors: 0)'
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Pass Should be unknown: '(forced-colors: 0)'
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Fail Should be parseable: '(forced-colors: no-preference)'
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Pass Should be parseable: '(forced-colors: no-preference)'
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Pass Should be unknown: '(forced-colors: no-preference)'
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Fail Should be parseable: '(forced-colors: 10px)'
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Pass Should be parseable: '(forced-colors: 10px)'
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Pass Should be unknown: '(forced-colors: 10px)'
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Fail Should be parseable: '(forced-colors: active 0)'
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Pass Should be parseable: '(forced-colors: active 0)'
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Pass Should be unknown: '(forced-colors: active 0)'
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Fail Should be parseable: '(forced-colors: none active)'
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Pass Should be parseable: '(forced-colors: none active)'
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Pass Should be unknown: '(forced-colors: none active)'
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Fail Should be parseable: '(forced-colors: active/none)'
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Pass Should be parseable: '(forced-colors: active/none)'
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Pass Should be unknown: '(forced-colors: active/none)'
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Pass Check that none evaluates to false in the boolean context
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@ -2,20 +2,19 @@ Harness status: OK
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Found 15 tests
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10 Pass
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5 Fail
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15 Pass
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Pass Should be known: '(inverted-colors)'
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Pass Should be known: '(inverted-colors: none)'
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Pass Should be known: '(inverted-colors: inverted)'
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Fail Should be parseable: '(inverted-colors: 0)'
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Pass Should be parseable: '(inverted-colors: 0)'
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Pass Should be unknown: '(inverted-colors: 0)'
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Fail Should be parseable: '(inverted-colors: no-preference)'
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Pass Should be parseable: '(inverted-colors: no-preference)'
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Pass Should be unknown: '(inverted-colors: no-preference)'
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Fail Should be parseable: '(inverted-colors: 10px)'
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Pass Should be parseable: '(inverted-colors: 10px)'
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Pass Should be unknown: '(inverted-colors: 10px)'
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Fail Should be parseable: '(inverted-colors: none inverted)'
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Pass Should be parseable: '(inverted-colors: none inverted)'
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Pass Should be unknown: '(inverted-colors: none inverted)'
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Fail Should be parseable: '(inverted-colors: none/inverted)'
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Pass Should be parseable: '(inverted-colors: none/inverted)'
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Pass Should be unknown: '(inverted-colors: none/inverted)'
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Pass Check that none evaluates to false in the boolean context
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Pass Check that invalid evaluates to false
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@ -2,18 +2,18 @@ Harness status: OK
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Found 28 tests
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20 Pass
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8 Fail
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26 Pass
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2 Fail
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Pass Should be known: '(overflow-inline)'
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Pass Should be known: '(overflow-inline: none)'
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Pass Should be known: '(overflow-inline: scroll)'
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Pass Should be parseable: 'overflow-inline'
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Fail Should be unknown: 'overflow-inline'
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Fail Should be parseable: '(overflow-inline: ?)'
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Pass Should be parseable: '(overflow-inline: ?)'
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Pass Should be unknown: '(overflow-inline: ?)'
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Fail Should be parseable: '(overflow-inline: 10px)'
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Pass Should be parseable: '(overflow-inline: 10px)'
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Pass Should be unknown: '(overflow-inline: 10px)'
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Fail Should be parseable: '(overflow-inline: 0)'
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Pass Should be parseable: '(overflow-inline: 0)'
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Pass Should be unknown: '(overflow-inline: 0)'
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Pass Should be known: '(overflow-block)'
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Pass Should be known: '(overflow-block: none)'
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@ -21,11 +21,11 @@ Pass Should be known: '(overflow-block: scroll)'
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Pass Should be known: '(overflow-block: paged)'
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Pass Should be parseable: 'overflow-block'
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Fail Should be unknown: 'overflow-block'
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Fail Should be parseable: '(overflow-block: ?)'
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Pass Should be parseable: '(overflow-block: ?)'
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Pass Should be unknown: '(overflow-block: ?)'
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Fail Should be parseable: '(overflow-block: 10px)'
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Pass Should be parseable: '(overflow-block: 10px)'
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Pass Should be unknown: '(overflow-block: 10px)'
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Fail Should be parseable: '(overflow-block: 0)'
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Pass Should be parseable: '(overflow-block: 0)'
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Pass Should be unknown: '(overflow-block: 0)'
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Pass Check that overflow-inline: scroll always matches non printing documents
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Pass Check that overflow-block: scroll always matches non printing documents
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@ -2,23 +2,22 @@ Harness status: OK
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Found 18 tests
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11 Pass
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7 Fail
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18 Pass
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Pass Should be known: '(prefers-color-scheme)'
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Pass Should be known: '(prefers-color-scheme: light)'
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Pass Should be known: '(prefers-color-scheme: dark)'
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Fail Should be parseable: '(prefers-color-scheme: 0)'
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Pass Should be parseable: '(prefers-color-scheme: 0)'
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Pass Should be unknown: '(prefers-color-scheme: 0)'
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Fail Should be parseable: '(prefers-color-scheme: none)'
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Pass Should be parseable: '(prefers-color-scheme: none)'
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Pass Should be unknown: '(prefers-color-scheme: none)'
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Fail Should be parseable: '(prefers-color-scheme: 10px)'
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Pass Should be parseable: '(prefers-color-scheme: 10px)'
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Pass Should be unknown: '(prefers-color-scheme: 10px)'
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Fail Should be parseable: '(prefers-color-scheme: dark 0)'
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Pass Should be parseable: '(prefers-color-scheme: dark 0)'
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Pass Should be unknown: '(prefers-color-scheme: dark 0)'
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Fail Should be parseable: '(prefers-color-scheme: dark light)'
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Pass Should be parseable: '(prefers-color-scheme: dark light)'
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Pass Should be unknown: '(prefers-color-scheme: dark light)'
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Fail Should be parseable: '(prefers-color-scheme: light/dark)'
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Pass Should be parseable: '(prefers-color-scheme: light/dark)'
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Pass Should be unknown: '(prefers-color-scheme: light/dark)'
|
||||
Fail Should be parseable: '(prefers-color-scheme: no-preference)'
|
||||
Pass Should be parseable: '(prefers-color-scheme: no-preference)'
|
||||
Pass Should be unknown: '(prefers-color-scheme: no-preference)'
|
||||
Pass Check that prefer-color-scheme evaluates to true in the boolean context
|
||||
|
|
@ -2,20 +2,20 @@ Harness status: OK
|
|||
|
||||
Found 26 tests
|
||||
|
||||
18 Pass
|
||||
8 Fail
|
||||
25 Pass
|
||||
1 Fail
|
||||
Pass Should be known: '(prefers-contrast)'
|
||||
Pass Should be known: '(prefers-contrast: no-preference)'
|
||||
Pass Should be known: '(prefers-contrast: more)'
|
||||
Pass Should be known: '(prefers-contrast: less)'
|
||||
Pass Should be known: '(prefers-contrast: custom)'
|
||||
Fail Should be parseable: '(prefers-contrast: increase)'
|
||||
Pass Should be parseable: '(prefers-contrast: increase)'
|
||||
Pass Should be unknown: '(prefers-contrast: increase)'
|
||||
Fail Should be parseable: '(prefers-contrast: none)'
|
||||
Pass Should be parseable: '(prefers-contrast: none)'
|
||||
Pass Should be unknown: '(prefers-contrast: none)'
|
||||
Fail Should be parseable: '(prefers-contrast: forced high)'
|
||||
Pass Should be parseable: '(prefers-contrast: forced high)'
|
||||
Pass Should be unknown: '(prefers-contrast: forced high)'
|
||||
Fail Should be parseable: '(prefers-contrast: forced low)'
|
||||
Pass Should be parseable: '(prefers-contrast: forced low)'
|
||||
Pass Should be unknown: '(prefers-contrast: forced low)'
|
||||
Fail Should be parseable: '(prefers-contrast > increase)'
|
||||
Pass Should be unknown: '(prefers-contrast > increase)'
|
||||
|
|
@ -23,10 +23,10 @@ Pass Should be parseable: '(prefers-increased-contrast)'
|
|||
Pass Should be unknown: '(prefers-increased-contrast)'
|
||||
Pass Should be parseable: '(prefers-decreased-contrast)'
|
||||
Pass Should be unknown: '(prefers-decreased-contrast)'
|
||||
Fail Should be parseable: '(prefers-contrast: high)'
|
||||
Pass Should be parseable: '(prefers-contrast: high)'
|
||||
Pass Should be unknown: '(prefers-contrast: high)'
|
||||
Fail Should be parseable: '(prefers-contrast: low)'
|
||||
Pass Should be parseable: '(prefers-contrast: low)'
|
||||
Pass Should be unknown: '(prefers-contrast: low)'
|
||||
Fail Should be parseable: '(prefers-contrast: forced)'
|
||||
Pass Should be parseable: '(prefers-contrast: forced)'
|
||||
Pass Should be unknown: '(prefers-contrast: forced)'
|
||||
Pass Check boolean context evaluation.
|
||||
|
|
@ -2,22 +2,21 @@ Harness status: OK
|
|||
|
||||
Found 17 tests
|
||||
|
||||
11 Pass
|
||||
6 Fail
|
||||
17 Pass
|
||||
Pass Should be known: '(prefers-reduced-data)'
|
||||
Pass Should be known: '(prefers-reduced-data: no-preference)'
|
||||
Pass Should be known: '(prefers-reduced-data: reduce)'
|
||||
Fail Should be parseable: '(prefers-reduced-data: 0)'
|
||||
Pass Should be parseable: '(prefers-reduced-data: 0)'
|
||||
Pass Should be unknown: '(prefers-reduced-data: 0)'
|
||||
Fail Should be parseable: '(prefers-reduced-data: none)'
|
||||
Pass Should be parseable: '(prefers-reduced-data: none)'
|
||||
Pass Should be unknown: '(prefers-reduced-data: none)'
|
||||
Fail Should be parseable: '(prefers-reduced-data: 10px)'
|
||||
Pass Should be parseable: '(prefers-reduced-data: 10px)'
|
||||
Pass Should be unknown: '(prefers-reduced-data: 10px)'
|
||||
Fail Should be parseable: '(prefers-reduced-data: no-preference reduce)'
|
||||
Pass Should be parseable: '(prefers-reduced-data: no-preference reduce)'
|
||||
Pass Should be unknown: '(prefers-reduced-data: no-preference reduce)'
|
||||
Fail Should be parseable: '(prefers-reduced-data: reduced)'
|
||||
Pass Should be parseable: '(prefers-reduced-data: reduced)'
|
||||
Pass Should be unknown: '(prefers-reduced-data: reduced)'
|
||||
Fail Should be parseable: '(prefers-reduced-data: no-preference/reduce)'
|
||||
Pass Should be parseable: '(prefers-reduced-data: no-preference/reduce)'
|
||||
Pass Should be unknown: '(prefers-reduced-data: no-preference/reduce)'
|
||||
Pass Check that no-preference evaluates to false in the boolean context
|
||||
Pass Check that invalid evaluates to false
|
||||
|
|
@ -2,21 +2,20 @@ Harness status: OK
|
|||
|
||||
Found 16 tests
|
||||
|
||||
10 Pass
|
||||
6 Fail
|
||||
16 Pass
|
||||
Pass Should be known: '(prefers-reduced-motion)'
|
||||
Pass Should be known: '(prefers-reduced-motion: no-preference)'
|
||||
Pass Should be known: '(prefers-reduced-motion: reduce)'
|
||||
Fail Should be parseable: '(prefers-reduced-motion: 0)'
|
||||
Pass Should be parseable: '(prefers-reduced-motion: 0)'
|
||||
Pass Should be unknown: '(prefers-reduced-motion: 0)'
|
||||
Fail Should be parseable: '(prefers-reduced-motion: none)'
|
||||
Pass Should be parseable: '(prefers-reduced-motion: none)'
|
||||
Pass Should be unknown: '(prefers-reduced-motion: none)'
|
||||
Fail Should be parseable: '(prefers-reduced-motion: 10px)'
|
||||
Pass Should be parseable: '(prefers-reduced-motion: 10px)'
|
||||
Pass Should be unknown: '(prefers-reduced-motion: 10px)'
|
||||
Fail Should be parseable: '(prefers-reduced-motion: no-preference reduce)'
|
||||
Pass Should be parseable: '(prefers-reduced-motion: no-preference reduce)'
|
||||
Pass Should be unknown: '(prefers-reduced-motion: no-preference reduce)'
|
||||
Fail Should be parseable: '(prefers-reduced-motion: reduced)'
|
||||
Pass Should be parseable: '(prefers-reduced-motion: reduced)'
|
||||
Pass Should be unknown: '(prefers-reduced-motion: reduced)'
|
||||
Fail Should be parseable: '(prefers-reduced-motion: no-preference/reduce)'
|
||||
Pass Should be parseable: '(prefers-reduced-motion: no-preference/reduce)'
|
||||
Pass Should be unknown: '(prefers-reduced-motion: no-preference/reduce)'
|
||||
Pass Check that no-preference evaluates to false in the boolean context
|
||||
|
|
@ -2,22 +2,21 @@ Harness status: OK
|
|||
|
||||
Found 17 tests
|
||||
|
||||
11 Pass
|
||||
6 Fail
|
||||
17 Pass
|
||||
Pass Should be known: '(prefers-reduced-transparency)'
|
||||
Pass Should be known: '(prefers-reduced-transparency: no-preference)'
|
||||
Pass Should be known: '(prefers-reduced-transparency: reduce)'
|
||||
Fail Should be parseable: '(prefers-reduced-transparency: 0)'
|
||||
Pass Should be parseable: '(prefers-reduced-transparency: 0)'
|
||||
Pass Should be unknown: '(prefers-reduced-transparency: 0)'
|
||||
Fail Should be parseable: '(prefers-reduced-transparency: none)'
|
||||
Pass Should be parseable: '(prefers-reduced-transparency: none)'
|
||||
Pass Should be unknown: '(prefers-reduced-transparency: none)'
|
||||
Fail Should be parseable: '(prefers-reduced-transparency: 10px)'
|
||||
Pass Should be parseable: '(prefers-reduced-transparency: 10px)'
|
||||
Pass Should be unknown: '(prefers-reduced-transparency: 10px)'
|
||||
Fail Should be parseable: '(prefers-reduced-transparency: no-preference reduce)'
|
||||
Pass Should be parseable: '(prefers-reduced-transparency: no-preference reduce)'
|
||||
Pass Should be unknown: '(prefers-reduced-transparency: no-preference reduce)'
|
||||
Fail Should be parseable: '(prefers-reduced-transparency: reduced)'
|
||||
Pass Should be parseable: '(prefers-reduced-transparency: reduced)'
|
||||
Pass Should be unknown: '(prefers-reduced-transparency: reduced)'
|
||||
Fail Should be parseable: '(prefers-reduced-transparency: no-preference/reduce)'
|
||||
Pass Should be parseable: '(prefers-reduced-transparency: no-preference/reduce)'
|
||||
Pass Should be unknown: '(prefers-reduced-transparency: no-preference/reduce)'
|
||||
Pass Check that no-preference evaluates to false in the boolean context
|
||||
Pass Check that invalid evaluates to false
|
||||
|
|
@ -2,17 +2,16 @@ Harness status: OK
|
|||
|
||||
Found 12 tests
|
||||
|
||||
9 Pass
|
||||
3 Fail
|
||||
12 Pass
|
||||
Pass Should be known: '(scripting)'
|
||||
Pass Should be known: '(scripting: enabled)'
|
||||
Pass Should be known: '(scripting: initial-only)'
|
||||
Pass Should be known: '(scripting: none)'
|
||||
Fail Should be parseable: '(scripting: 0)'
|
||||
Pass Should be parseable: '(scripting: 0)'
|
||||
Pass Should be unknown: '(scripting: 0)'
|
||||
Fail Should be parseable: '(scripting: 10px)'
|
||||
Pass Should be parseable: '(scripting: 10px)'
|
||||
Pass Should be unknown: '(scripting: 10px)'
|
||||
Fail Should be parseable: '(scripting: invalid)'
|
||||
Pass Should be parseable: '(scripting: invalid)'
|
||||
Pass Should be unknown: '(scripting: invalid)'
|
||||
Pass Check that scripting currently matches 'enabled'
|
||||
Pass Check that scripting currently evaluates to true in the boolean context
|
||||
|
|
@ -2,17 +2,16 @@ Harness status: OK
|
|||
|
||||
Found 14 tests
|
||||
|
||||
11 Pass
|
||||
3 Fail
|
||||
14 Pass
|
||||
Pass Should be known: '(update)'
|
||||
Pass Should be known: '(update: none)'
|
||||
Pass Should be known: '(update: slow)'
|
||||
Pass Should be known: '(update: fast)'
|
||||
Fail Should be parseable: '(update: ?)'
|
||||
Pass Should be parseable: '(update: ?)'
|
||||
Pass Should be unknown: '(update: ?)'
|
||||
Fail Should be parseable: '(update: 10px)'
|
||||
Pass Should be parseable: '(update: 10px)'
|
||||
Pass Should be unknown: '(update: 10px)'
|
||||
Fail Should be parseable: '(update: 0)'
|
||||
Pass Should be parseable: '(update: 0)'
|
||||
Pass Should be unknown: '(update: 0)'
|
||||
Pass Check that update: fast always matches fast displays
|
||||
Pass Check that update: slow doesn't match fast displays
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue