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6fec4d7645
Currently, CalcLengthOrPercentage doesn't actually keep the number value, so if we don't treat it invalid, we can end up generating empty `calc()` value when one contains top-level numbers (e.g. `calc(1)`), which would violate assertion elsewhere that `calc` must not be empty.
36 lines
1.6 KiB
Rust
36 lines
1.6 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use app_units::Au;
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use cssparser::Parser;
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use style::values::HasViewportPercentage;
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use style::values::specified::{ViewportPercentageLength, Length};
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use style::values::specified::length::{CalcLengthOrPercentage, CalcUnit};
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#[test]
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fn length_has_viewport_percentage() {
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let l = Length::ViewportPercentage(ViewportPercentageLength::Vw(100.));
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assert!(l.has_viewport_percentage());
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let l = Length::Absolute(Au(100));
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assert!(!l.has_viewport_percentage());
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}
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#[test]
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fn calc_top_level_number_with_unit() {
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fn parse(text: &str, unit: CalcUnit) -> Result<CalcLengthOrPercentage, ()> {
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let mut parser = Parser::new(text);
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CalcLengthOrPercentage::parse(&mut parser, unit)
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}
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assert_eq!(parse("1", CalcUnit::Length), Err(()));
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assert_eq!(parse("1", CalcUnit::LengthOrPercentage), Err(()));
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assert_eq!(parse("1", CalcUnit::Angle), Err(()));
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assert_eq!(parse("1", CalcUnit::Time), Err(()));
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assert_eq!(parse("1px + 1", CalcUnit::Length), Err(()));
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assert_eq!(parse("1em + 1", CalcUnit::Length), Err(()));
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assert_eq!(parse("1px + 1", CalcUnit::LengthOrPercentage), Err(()));
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assert_eq!(parse("1% + 1", CalcUnit::LengthOrPercentage), Err(()));
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assert_eq!(parse("1rad + 1", CalcUnit::Angle), Err(()));
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assert_eq!(parse("1deg + 1", CalcUnit::Angle), Err(()));
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assert_eq!(parse("1s + 1", CalcUnit::Time), Err(()));
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}
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