642 lines
20 KiB
Rust
642 lines
20 KiB
Rust
use grass::StyleSheet;
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#[cfg(test)]
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macro_rules! test {
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($func:ident, $input:literal) => {
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#[test]
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fn $func() {
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let mut buf = Vec::new();
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StyleSheet::new($input)
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.expect(concat!("failed to parse on ", $input))
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.print_as_css(&mut buf)
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.expect(concat!("failed to pretty print on ", $input));
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assert_eq!(
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String::from($input),
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String::from_utf8(buf).expect("produced invalid utf8")
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);
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}
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};
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($func:ident, $input:literal, $output:literal) => {
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#[test]
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fn $func() {
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let mut buf = Vec::new();
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StyleSheet::new($input)
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.expect(concat!("failed to parse on ", $input))
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.print_as_css(&mut buf)
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.expect(concat!("failed to pretty print on ", $input));
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assert_eq!(
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String::from($output),
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String::from_utf8(buf).expect("produced invalid utf8")
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);
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}
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};
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}
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#[cfg(test)]
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mod test_variables {
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use super::*;
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test!(
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basic_variable,
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"$height: 1px;\na {\n height: $height;\n}\n",
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"a {\n height: 1px;\n}\n"
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);
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test!(
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variable_redeclaration,
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"$a: 1px;\n$a: 2px;\na {\n height: $a;\n}\n",
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"a {\n height: 2px;\n}\n"
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);
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test!(
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variable_shadowing,
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"$a: 1px;\n$b: $a;\na {\n height: $b;\n}\n",
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"a {\n height: 1px;\n}\n"
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);
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test!(
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variable_shadowing_val_does_not_change,
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"$a: 1px;\n$b: $a; $a: 2px;\na {\n height: $b;\n}\n",
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"a {\n height: 1px;\n}\n"
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);
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test!(
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variable_shadowing_val_does_not_change_complex,
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"a {\n color: red;\n}\n$y: before;\n$x: 1 2 $y;\n$y: after;\nfoo {\n a: $x;\n}",
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"a {\n color: red;\n}\nfoo {\n a: 1 2 before;\n}\n"
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);
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test!(
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variable_whitespace,
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"$a : 1px ;\na {\n height: $a;\n}\n",
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"a {\n height: 1px;\n}\n"
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);
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test!(
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style_after_variable,
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"$a: 1px;\na {\n height: $a;\n color: red;\n}\n",
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"a {\n height: 1px;\n color: red;\n}\n"
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);
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test!(
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literal_and_variable_as_val,
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"$a: 1px;\na {\n height: 1 $a;\n}\n",
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"a {\n height: 1 1px;\n}\n"
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);
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test!(
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literal_and_variable_as_var,
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"$a: 1px;\n$b: 1 $a;\na {\n height: $b;\n}\n",
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"a {\n height: 1 1px;\n}\n"
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);
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test!(
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eats_whitespace_after_variable_value,
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"a {\n b {\n $c: red;\n }\n color: red;\n}\n",
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"a {\n color: red;\n}\n"
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);
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test!(
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variable_changes_through_new_ruleset,
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"a {\n $c: red;\nb {\n $c: blue;\n }\n color: $c;\n}\n",
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"a {\n color: blue;\n}\n"
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);
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test!(
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nested_interpolation,
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"$a: red; a {\n color: #{#{$a}};\n}\n",
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"a {\n color: red;\n}\n"
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);
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}
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#[cfg(test)]
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mod test_selectors {
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use super::StyleSheet;
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test!(
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selector_nesting_el_mul_el,
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"a, b {\n a, b {\n color: red\n}\n}\n",
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"a a, a b, b a, b b {\n color: red;\n}\n"
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);
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test!(selector_element, "a {\n color: red;\n}\n");
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test!(selector_id, "#id {\n color: red;\n}\n");
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test!(selector_class, ".class {\n color: red;\n}\n");
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test!(selector_el_descendant, "a a {\n color: red;\n}\n");
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test!(selector_universal, "* {\n color: red;\n}\n");
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test!(selector_el_class_and, "a.class {\n color: red;\n}\n");
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test!(selector_el_id_and, "a#class {\n color: red;\n}\n");
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test!(
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selector_el_class_descendant,
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"a .class {\n color: red;\n}\n"
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);
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test!(selector_el_id_descendant, "a #class {\n color: red;\n}\n");
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test!(
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selector_el_universal_descendant,
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"a * {\n color: red;\n}\n"
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);
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test!(
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selector_universal_el_descendant,
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"* a {\n color: red;\n}\n"
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);
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test!(selector_attribute_any, "[attr] {\n color: red;\n}\n");
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test!(
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selector_attribute_equals,
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"[attr=val] {\n color: red;\n}\n"
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);
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test!(
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selector_attribute_single_quotes,
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"[attr='val'] {\n color: red;\n}\n"
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);
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test!(
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selector_attribute_double_quotes,
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"[attr=\"val\"] {\n color: red;\n}\n"
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);
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test!(selector_attribute_in, "[attr~=val] {\n color: red;\n}\n");
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test!(
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selector_attribute_begins_hyphen_or_exact,
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"[attr|=val] {\n color: red;\n}\n"
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);
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test!(
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selector_attribute_starts_with,
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"[attr^=val] {\n color: red;\n}\n"
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);
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test!(
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selector_attribute_ends_with,
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"[attr$=val] {\n color: red;\n}\n"
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);
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test!(
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selector_attribute_contains,
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"[attr*=val] {\n color: red;\n}\n"
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);
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test!(selector_el_attribute_and, "a[attr] {\n color: red;\n}\n");
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test!(
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selector_el_attribute_descendant,
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"a [attr] {\n color: red;\n}\n"
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);
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test!(selector_el_mul_el, "a, b {\n color: red;\n}\n");
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test!(
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selector_el_immediate_child_el,
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"a > b {\n color: red;\n}\n"
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);
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test!(selector_el_following_el, "a + b {\n color: red;\n}\n");
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test!(selector_el_preceding_el, "a ~ b {\n color: red;\n}\n");
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test!(selector_pseudo, ":pseudo {\n color: red;\n}\n");
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test!(selector_el_and_pseudo, "a:pseudo {\n color: red;\n}\n");
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test!(
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selector_el_pseudo_descendant,
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"a :pseudo {\n color: red;\n}\n"
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);
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test!(
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selector_pseudo_el_descendant,
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":pseudo a {\n color: red;\n}\n"
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);
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test!(
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selector_pseudo_paren_comma,
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":pseudo(a, b, c) {\n color: red;\n}\n"
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);
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test!(
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selector_pseudo_paren_space,
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":pseudo(a b c) {\n color: red;\n}\n"
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);
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test!(
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selector_el_pseudo_paren_and,
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"a:pseudo(a, b, c) {\n color: red;\n}\n"
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);
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test!(
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selector_el_pseudo_paren_descendant,
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"a :pseudo(a, b, c) {\n color: red;\n}\n"
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);
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test!(
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selector_pseudo_paren_el_descendant,
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":pseudo(a, b, c) a {\n color: red;\n}\n"
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);
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test!(
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selector_pseudo_paren_el_nested,
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"a {\n :pseudo(a, b, c) {\n color: red;\n }\n}\n",
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"a :pseudo(a, b, c) {\n color: red;\n}\n"
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);
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test!(selector_mul, "a, b {\n color: red;\n}\n");
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test!(
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outer_ampersand,
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"a, b {\n& c {\n color: red;\n}\n}\n",
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"a c, b c {\n color: red;\n}\n"
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);
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test!(
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inner_ampersand,
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"a, b {\na & c {\n color: red;\n}\n}\n",
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"a a c, a b c {\n color: red;\n}\n"
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);
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test!(
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ampersand_multiple_whitespace,
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" a , b {\n&c {\n color: red;\n}\n}\n",
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"ac, bc {\n color: red;\n}\n"
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);
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test!(
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ampersand_alone,
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"a, b {\n& {\n color: red;\n}\n}\n",
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"a, b {\n color: red;\n}\n"
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);
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test!(
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bem_dash_dash_selector,
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"a {\n&--b {\n color: red;\n}\n}\n",
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"a--b {\n color: red;\n}\n"
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);
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// test!(
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// bem_underscore_selector,
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// "a {\n&__b {\n color: red;\n}\n}\n",
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// "a__b {\n color: red;\n}\n"
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// );
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test!(
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selector_interpolation_start,
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"#{a}bc {\n color: red;\n}\n",
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"abc {\n color: red;\n}\n"
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);
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test!(
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selector_interpolation_middle,
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"a#{b}c {\n color: red;\n}\n",
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"abc {\n color: red;\n}\n"
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);
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test!(
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selector_interpolation_end,
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"ab#{c} {\n color: red;\n}\n",
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"abc {\n color: red;\n}\n"
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);
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test!(
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selector_interpolation_variable,
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"$a: foo;\nab#{$a} {\n color: red;\n}\n",
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"abfoo {\n color: red;\n}\n"
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);
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test!(
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selector_whitespace,
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" a > b , c ~ d e .f #g :h i.j [ k ] { color: red }",
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"a > b, c ~ d e .f #g :h i.j [k] {\n color: red;\n}\n"
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);
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}
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#[cfg(test)]
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mod test_units {
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use super::StyleSheet;
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test!(unit_none, "a {\n height: 1;\n}\n");
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test!(unit_not_attached, "a {\n height: 1 px;\n}\n");
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test!(unit_px, "a {\n height: 1px;\n}\n");
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test!(unit_em, "a {\n height: 1em;\n}\n");
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test!(unit_rem, "a {\n height: 1rem;\n}\n");
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test!(unit_percent, "a {\n height: 1%;\n}\n");
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}
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#[cfg(test)]
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mod test_comments {
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use super::StyleSheet;
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test!(
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removes_inner_comments,
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"a {\n color: red/* hi */;\n}\n",
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"a {\n color: red;\n}\n"
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);
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test!(
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removes_inner_comments_whitespace,
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"a {\n color: red /* hi */;\n}\n",
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"a {\n color: red;\n}\n"
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);
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test!(
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preserves_outer_comments_before,
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"a {\n /* hi */\n color: red;\n}\n"
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);
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test!(
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preserves_outer_comments_after,
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"a {\n color: red;\n /* hi */\n}\n"
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);
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test!(
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preserves_outer_comments_two,
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"a {\n /* foo */\n /* bar */\n color: red;\n}\n"
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);
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test!(
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preserves_toplevel_comment_before,
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"/* foo */\na {\n color: red;\n}\n"
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);
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test!(
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preserves_toplevel_comment_after,
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"a {\n color: red;\n}\n/* foo */\n"
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);
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test!(
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removes_single_line_comment,
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"// a { color: red }\na {\n height: 1 1px;\n}\n",
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"a {\n height: 1 1px;\n}\n"
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);
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}
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#[cfg(test)]
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mod test_styles {
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use super::StyleSheet;
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test!(basic_style, "a {\n color: red;\n}\n");
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test!(two_styles, "a {\n color: red;\n color: blue;\n}\n");
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test!(
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two_inner_rulesets,
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"a {\n b {\n color: red;\n}\n c {\n color: white;\n}\n}\n",
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"a b {\n color: red;\n}\na c {\n color: white;\n}\n"
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);
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test!(
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two_rulesets,
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"a {\n color: red;\n}\nc {\n color: white;\n}\n"
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);
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test!(
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two_rulesets_first_no_semicolon,
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"a {\n color: red\n}\nc {\n color: white;\n}\n",
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"a {\n color: red;\n}\nc {\n color: white;\n}\n"
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);
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test!(
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two_inner_outer_rulesets,
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"a {\n b {\n color: red;\n}\n c {\n color: white;\n}\n}\na {\n b {\n color: red;\n}\n c {\n color: white;\n}\n}\n",
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"a b {\n color: red;\n}\na c {\n color: white;\n}\na b {\n color: red;\n}\na c {\n color: white;\n}\n"
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);
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test!(
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removes_empty_outer_styles,
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"a {\n b {\n color: red;\n }\n",
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"a b {\n color: red;\n}\n"
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);
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test!(removes_empty_styles, "a {}\n", "");
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test!(
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doesnt_eat_style_after_ruleset,
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"a {\n b {\n color: red;\n}\n color: blue;\n}\n",
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"a {\n color: blue;\n}\na b {\n color: red;\n}\n"
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);
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test!(
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multiline_style,
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"a {\n color: red\n blue;\n}\n",
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"a {\n color: red blue;\n}\n"
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);
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test!(hyphenated_style_property, "a {\n font-family: Arial;\n}\n");
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test!(hyphenated_style_value, "a {\n color: Open-Sans;\n}\n");
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test!(
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space_separated_style_value,
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"a {\n border: solid red;\n}\n"
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);
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test!(single_quoted_style_value, "a {\n font: 'Open-Sans';\n}\n");
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test!(
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double_quoted_style_value,
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"a {\n font: \"Open-Sans\";\n}\n"
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);
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test!(
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comma_style_value,
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"a {\n font: Open-Sans, sans-serif;\n}\n"
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);
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test!(
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style_interpolation_start,
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"a {\n #{c}olor: red;\n}\n",
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"a {\n color: red;\n}\n"
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);
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test!(
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style_interpolation_middle,
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"a {\n co#{l}or: red;\n}\n",
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"a {\n color: red;\n}\n"
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);
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test!(
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style_interpolation_end,
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"a {\n colo#{r}: red;\n}\n",
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"a {\n color: red;\n}\n"
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);
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test!(
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style_interpolation_variable,
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"$a: foo;\na {\n co#{$a}lor: red;\n}\n",
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"a {\n cofoolor: red;\n}\n"
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);
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test!(
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style_val_interpolation_start,
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"a {\n color: #{r}ed;\n}\n",
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"a {\n color: red;\n}\n"
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);
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test!(
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style_val_interpolation_middle,
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"a {\n color: r#{e}d;\n}\n",
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"a {\n color: red;\n}\n"
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);
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test!(
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style_val_interpolation_end,
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"a {\n color: re#{d};\n}\n",
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"a {\n color: red;\n}\n"
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);
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test!(
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style_val_interpolation_variable,
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"$a: foo;\na {\n color: r#{$a}ed;\n}\n",
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"a {\n color: rfooed;\n}\n"
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);
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test!(
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style_whitespace,
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"a {\n color : red ; \n}\n",
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"a {\n color: red;\n}\n"
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);
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test!(
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triple_nested_preceding_ruleset,
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"a {\n b {\n foo: bar;\n c {}\n }\n}\n",
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"a b {\n foo: bar;\n}\n"
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);
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test!(
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triple_nested_following_ruleset,
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"a {\n b {\n c {}\n foo: bar;\n }\n}\n",
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"a b {\n foo: bar;\n}\n"
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);
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}
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#[cfg(test)]
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mod test_misc {
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use super::*;
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// test!(
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// combines_hyphens,
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// "a {\n foo: bar - baz;\n}\n",
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// "a {\n foo: bar-baz;\n}\n"
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// );
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test!(does_not_combine_hyphens, "a {\n foo: bar -baz;\n}\n");
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test!(
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ident_starts_with_hyphen,
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"a {\n foo: -webkit-bar-baz;\n}\n"
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);
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test!(ident_with_num, "el1 {\n a: b;\n}\n");
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test!(keyword_important, "a {\n height: 1 !important;\n}\n");
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test!(
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keyword_important_uppercase,
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"a {\n height: 1 !IMPORTANT;\n}\n",
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"a {\n height: 1 !important;\n}\n"
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);
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test!(
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keyword_important_not_at_end,
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"a {\n height: !important 1;\n}\n"
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);
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}
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#[cfg(test)]
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mod test_mixins {
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use super::*;
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test!(
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basic_mixin,
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"@mixin a {\n color: red;\n}\n\nb {\n @include a;\n}\n",
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"b {\n color: red;\n}\n"
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);
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test!(
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mixin_two_styles,
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"@mixin a {\n color: red;\n color: blue;\n}\n\nb {\n @include a;\n}\n",
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"b {\n color: red;\n color: blue;\n}\n"
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);
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test!(
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mixin_ruleset,
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"@mixin a {\n b {\n color: red;\n }\n}\nb {\n @include a;\n}\n",
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"b b {\n color: red;\n}\n"
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);
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test!(
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mixin_two_rulesets,
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"@mixin a {\n b {\n color: red;\n }\n c {\n color: blue;\n }\n}\nd {\n @include a;\n}\n",
|
|
"d b {\n color: red;\n}\nd c {\n color: blue;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_ruleset_and_style,
|
|
"@mixin a {\n b {\n color: red;\n }\n color: blue;\n}\nd {\n @include a;\n}\n",
|
|
"d {\n color: blue;\n}\nd b {\n color: red;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_style_and_ruleset,
|
|
"@mixin a {\n color: blue;\n b {\n color: red;\n}\n}\nd {\n @include a;\n}\n",
|
|
"d {\n color: blue;\n}\nd b {\n color: red;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_nested_rulesets,
|
|
"@mixin a {\n b {\n c {\n color: red;\n}\n}\n}\nd {\n @include a;\n}\n",
|
|
"d b c {\n color: red;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_removes_empty_ruleset,
|
|
"@mixin a {\n color:red; b {\n}\n}\nd {\n @include a;\n}\n",
|
|
"d {\n color: red;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_variable_scope_one_ruleset,
|
|
"@mixin a {\n $a: blue;\nb {\n $a: red;\n} color: $a\n}\nd {\n @include a;\n}\n",
|
|
"d {\n color: red;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_single_arg,
|
|
"@mixin a($b) {\n color: $b;\n}\nd {\n @include a(red);\n}\n",
|
|
"d {\n color: red;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_two_args,
|
|
"@mixin a($b, $c) {\n color: $b;\n color: $c\n}\nd {\n @include a(red, blue);\n}\n",
|
|
"d {\n color: red;\n color: blue;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_arg_trailing_comma,
|
|
"@mixin a($b, $c,) {\n color: $b;\n color: $c\n}\nd {\n @include a(red, blue);\n}\n",
|
|
"d {\n color: red;\n color: blue;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_property_interpolation,
|
|
"@mixin a($b) {\n #{$b}: red;\n}\nd {\n @include a(color);\n}\n",
|
|
"d {\n color: red;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_style_interpolation,
|
|
"@mixin a($b) {\n color: #{$b};\n}\nd {\n @include a(red);\n}\n",
|
|
"d {\n color: red;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_simple_default_value,
|
|
"@mixin a($b: red) {\n color: $b;\n}\nd {\n @include a;\n}\n",
|
|
"d {\n color: red;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_second_value_default,
|
|
"@mixin a($a, $b: blue) {\n color: $a $b;\n}\nd {\n @include a(red);\n}\n",
|
|
"d {\n color: red blue;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_two_default_values,
|
|
"@mixin a($a: red, $b: blue) {\n color: $a $b;\n}\nd {\n @include a;\n}\n",
|
|
"d {\n color: red blue;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_override_default_value_positionally,
|
|
"@mixin a($a: red) {\n color: $a;\n}\nd {\n @include a(blue);\n}\n",
|
|
"d {\n color: blue;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_keyword_arg,
|
|
"@mixin a($a) {\n color: $a;\n}\nd {\n @include a($a: blue);\n}\n",
|
|
"d {\n color: blue;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_keyword_arg_override_default,
|
|
"@mixin a($a: red) {\n color: $a;\n}\nd {\n @include a($a: blue);\n}\n",
|
|
"d {\n color: blue;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_keyword_applies_to_second_arg,
|
|
"@mixin a($a: red, $b) {\n color: $a $b;\n}\nd {\n @include a($b: blue);\n}\n",
|
|
"d {\n color: red blue;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_two_keywords,
|
|
"@mixin a($a, $b) {\n color: $a $b;\n}\nd {\n @include a($a: red, $b: blue);\n}\n",
|
|
"d {\n color: red blue;\n}\n"
|
|
);
|
|
test!(
|
|
mixin_two_keywords_wrong_direction,
|
|
"@mixin a($a, $b) {\n color: $a $b;\n}\nd {\n @include a($b: blue, $a: red);\n}\n",
|
|
"d {\n color: red blue;\n}\n"
|
|
);
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod test_imports {
|
|
use super::*;
|
|
use std::io::Write;
|
|
use tempfile::Builder;
|
|
|
|
macro_rules! test_import {
|
|
($func:ident, $input:literal => $output:literal | $( $name:literal($content:literal) ),*) => {
|
|
#[test]
|
|
fn $func() {
|
|
$(
|
|
let mut f = Builder::new().rand_bytes(0).prefix("").suffix($name).tempfile_in("").unwrap();
|
|
write!(f, $content).unwrap();
|
|
)*
|
|
let mut buf = Vec::new();
|
|
StyleSheet::new($input)
|
|
.expect(concat!("failed to parse in "))
|
|
.print_as_css(&mut buf)
|
|
.expect(concat!("failed to pretty print on ", $input));
|
|
assert_eq!(
|
|
String::from($output),
|
|
String::from_utf8(buf).expect("produced invalid utf8")
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
// we have to use test name as filename because tests are run multithreaded in the same directory, so some names may conflict
|
|
test_import!(imports_variable, "@import \"imports_variable\";\na {\n color: $a;\n}" => "a {\n color: red;\n}\n" | "imports_variable"("$a: red;"));
|
|
test_import!(single_quotes_import, "@import 'single_quotes_import';\na {\n color: $a;\n}" => "a {\n color: red;\n}\n" | "single_quotes_import"("$a: red;"));
|
|
test_import!(finds_name_scss, "@import \"finds_name_scss\";\na {\n color: $a;\n}" => "a {\n color: red;\n}\n" | "finds_name_scss.scss"("$a: red;"));
|
|
test_import!(finds_underscore_name_scss, "@import \"finds_underscore_name_scss\";\na {\n color: $a;\n}" => "a {\n color: red;\n}\n" | "_finds_underscore_name_scss.scss"("$a: red;"));
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod test_values {
|
|
use super::*;
|
|
test!(comma_list_ident, "a {\n color: red, white, blue;\n}\n");
|
|
test!(space_list_ident, "a {\n color: red white blue;\n}\n");
|
|
test!(comma_list_number, "a {\n color: 1, 2, 3;\n}\n");
|
|
test!(space_list_number, "a {\n color: 1 2 3;\n}\n");
|
|
test!(comma_space_list_number, "a {\n color: 1 1, 2 2, 3 3;\n}\n");
|
|
test!(
|
|
whitespace_space_list_number,
|
|
"a {\n color: 1 2 3 ;\n}\n",
|
|
"a {\n color: 1 2 3;\n}\n"
|
|
);
|
|
test!(
|
|
whitespace_comma_list_number,
|
|
"a {\n color: 1 , 2 , 3 ;\n}\n",
|
|
"a {\n color: 1, 2, 3;\n}\n"
|
|
);
|
|
test!(number, "a {\n color: 1;\n}\n");
|
|
test!(
|
|
removes_paren_around_single_value,
|
|
"a {\n color: (red);\n}\n",
|
|
"a {\n color: red;\n}\n"
|
|
);
|
|
test!(
|
|
removes_paren_around_space_list,
|
|
"a {\n color: (red blue);\n}\n",
|
|
"a {\n color: red blue;\n}\n"
|
|
);
|
|
test!(
|
|
removes_paren_around_item_in_list,
|
|
"a {\n color: 1 (red blue);\n}\n",
|
|
"a {\n color: 1 red blue;\n}\n"
|
|
);
|
|
}
|