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LibWeb: Verify that the Tokenizer doesn't produce Dimensions from %

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If `12.34%` ever produces a Dimension token instead of a Percentage,
then something has gone wrong and we want to know about it!
This commit is contained in:
Sam Atkins 2021-11-18 11:54:32 +00:00 • committed by Andreas Kling
parent 522faa1554
commit d37f62fd54
1 changed files with 4 additions and 3 deletions
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7
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
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@ -1905,9 +1905,7 @@ Optional<Length> Parser::parse_length(StyleComponentValueRule const& component_v
numeric_value = component_value.token().dimension_value();
auto unit_string = component_value.token().m_unit.string_view();
if (unit_string.equals_ignoring_case("%")) {
type = Length::Type::Percentage;
} else if (unit_string.equals_ignoring_case("px")) {
if (unit_string.equals_ignoring_case("px")) {
type = Length::Type::Px;
} else if (unit_string.equals_ignoring_case("pt")) {
type = Length::Type::Pt;
@ -1937,6 +1935,9 @@ Optional<Length> Parser::parse_length(StyleComponentValueRule const& component_v
type = Length::Type::In;
} else if (unit_string.equals_ignoring_case("Q")) {
type = Length::Type::Q;
} else if (unit_string.equals_ignoring_case("%")) {
// A number followed by `%` must always result in a Percentage token.
VERIFY_NOT_REACHED();
} else {
return {};
}