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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
mod text {
use layout_2020::flow::inline::construct::WhitespaceCollapse;
use style::computed_values::white_space_collapse::T as WhiteSpaceCollapse;
#[test]
fn test_collapse_whitespace() {
let collapse = |input: &str, white_space_collapse, trim_beginning_white_space| {
WhitespaceCollapse::new(
input.chars(),
white_space_collapse,
trim_beginning_white_space,
)
.collect::<String>()
};
let output = collapse("H ", WhiteSpaceCollapse::Collapse, false);
assert_eq!(output, "H ");
let output = collapse(" W", WhiteSpaceCollapse::Collapse, true);
assert_eq!(output, "W");
let output = collapse(" W", WhiteSpaceCollapse::Collapse, false);
assert_eq!(output, " W");
let output = collapse(" H W", WhiteSpaceCollapse::Collapse, false);
assert_eq!(output, " H W");
let output = collapse("\n H \n \t W", WhiteSpaceCollapse::Collapse, false);
assert_eq!(output, " H W");
let output = collapse("\n H \n \t W \n", WhiteSpaceCollapse::Preserve, false);
assert_eq!(output, "\n H \n \t W \n");
let output = collapse(
"\n H \n \t W \n ",
WhiteSpaceCollapse::PreserveBreaks,
false,
);
assert_eq!(output, "\nH\nW\n");
let output = collapse("Hello \n World", WhiteSpaceCollapse::PreserveBreaks, true);
assert_eq!(output, "Hello\nWorld");
let output = collapse(" \n World", WhiteSpaceCollapse::PreserveBreaks, true);
assert_eq!(output, "\nWorld");
let output = collapse(" ", WhiteSpaceCollapse::Collapse, true);
assert_eq!(output, "");
let output = collapse(" ", WhiteSpaceCollapse::Collapse, false);
assert_eq!(output, " ");
let output = collapse("\n ", WhiteSpaceCollapse::Collapse, true);
assert_eq!(output, "");
let output = collapse("\n ", WhiteSpaceCollapse::Collapse, false);
assert_eq!(output, " ");
}
}
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