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Add tests for plain-CSS @function #2087

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Merged
nex3 merged 6 commits into from
Nov 10, 2025
Merged

Add tests for plain-CSS @function #2087

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063bd2a
Add tests for plain-CSS `@function` and `@mixin`
nex3 Sep 20, 2025
268a767
Drop mixin tests for now
nex3 Sep 22, 2025
4e8cbe6
Poke CI
nex3 Sep 22, 2025
adabf6b
Fix plain CSS tests
nex3 Sep 22, 2025
690f608
Add more tests
nex3 Sep 23, 2025
82125e0
Add an error tests for plain-CSS mixins
nex3 Nov 10, 2025
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309 changes: 309 additions & 0 deletions spec/css/function.hrx
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Original file line number Diff line number Diff line change
@@ -0,0 +1,309 @@
<===> lowercase/parameter/input.scss
@function --a(--b <color>) {result: c}

<===> lowercase/parameter/output.css
@function --a(--b <color>) {
result: c;
}

<===>
================================================================================
<===> lowercase/returns/input.scss
@function --a() returns <ident> {result: b}

<===> lowercase/returns/output.css
@function --a() returns <ident> {
result: b;
}

<===>
================================================================================
<===> lowercase/interpolation/input.scss
@function --#{a}() {result: b}

<===> lowercase/interpolation/output.css
@function --a() {
result: b;
}

<===>
================================================================================
<===> lowercase/result/sass_script/input.scss
@function --a() {
result: $b;
}

<===> lowercase/result/sass_script/output.css
@function --a() {
result: $b;
}

<===>
================================================================================
<===> lowercase/result/characters/input.scss
@function --a() {
result: {}#&%^*;
}

<===> lowercase/result/characters/output.css
@function --a() {
result: {}#&%^*;
}

<===>
================================================================================
<===> lowercase/result/interpolation/input.scss
@function --a() {
result: #{1 + 1};
}

<===> lowercase/result/interpolation/output.css
@function --a() {
result: 2;
}

<===>
================================================================================
<===> uppercase/result/sass_script/input.scss
@FUNCTION --a() {
result: $b;
}

<===> uppercase/result/sass_script/output.css
@FUNCTION --a() {
result: $b;
}

<===>
================================================================================
<===> uppercase/result/characters/input.scss
@FUNCTION --a() {
result: {}#&%^*;
}

<===> uppercase/result/characters/output.css
@FUNCTION --a() {
result: {}#&%^*;
}

<===>
================================================================================
<===> uppercase/result/interpolation/input.scss
@FUNCTION --a() {
result: #{1 + 1};
}

<===> uppercase/result/interpolation/output.css
@FUNCTION --a() {
result: 2;
}

<===>
================================================================================
<===> uppercase/result/nesting/input.scss
@function --a() {
RESULT: {b: c};
}

<===> uppercase/result/nesting/output.css
@function --a() {
RESULT: {b: c};
}

<===>
================================================================================
<===> interpolated/result/sass_script/input.scss
@#{function} --a() {
result: 1 + 1;
}

<===> interpolated/result/sass_script/output.css
@function --a() {
result: 2;
}

<===>
================================================================================
<===> interpolated/result/nested/input.sass
@function --a()
#{result}:
b: c

<===> interpolated/result/nested/output.css
@function --a() {
result-b: c;
}

<===>
================================================================================
<===> result/uppercase/sass_script/input.scss
@function --a() {
RESULT: $b;
}

<===> result/uppercase/sass_script/output.css
@function --a() {
RESULT: $b;
}

<===>
================================================================================
<===> result/uppercase/characters/input.scss
@function --a() {
RESULT: {}#&%^*;
}

<===> result/uppercase/characters/output.css
@function --a() {
RESULT: {}#&%^*;
}

<===>
================================================================================
<===> result/uppercase/interpolation/input.scss
@function --a() {
RESULT: #{1 + 1};
}

<===> result/uppercase/interpolation/output.css
@function --a() {
RESULT: 2;
}

<===>
================================================================================
<===> result/interpolated/sass_script/input.scss
@function --a() {
#{result}: 1 + 1;
}

<===> result/interpolated/sass_script/output.css
@function --a() {
result: 2;
}

<===>
================================================================================
<===> result/interpolated/nested/input.sass
@function --a()
#{result}:
b: c

<===> result/interpolated/nested/output.css
@function --a() {
result-b: c;
}

<===>
================================================================================
<===> result/style_rule/sass_script/input.scss
.a {
result: 1 + 1;
}

<===> result/style_rule/sass_script/output.css
.a {
result: 2;
}

<===>
================================================================================
<===> result/style_rule/interpolation/input.scss
.a {
result: #{1 + 1};
}

<===> result/style_rule/interpolation/output.css
.a {
result: 2;
}

<===>
================================================================================
<===> error/lowercase/result/nested/input.sass
@function --a()
result:
b: c

<===> error/lowercase/result/nested/error
Error: Nothing may be indented beneath a @function result.
,
3 | b: c
| ^
'
input.sass 3:5 root stylesheet

<===>
================================================================================
<===> error/uppercase/result/nested/input.sass
@FUNCTION --a()
result:
b: c

<===> error/uppercase/result/nested/error
Error: Nothing may be indented beneath a @function result.
,
3 | b: c
| ^
'
input.sass 3:5 root stylesheet

<===>
================================================================================
<===> error/interpolated/result/characters/input.scss
@#{function} --a() {
result: {}#&%^*;
}

<===> error/interpolated/result/characters/error
Error: expected "{".
,
2 | result: {}#&%^*;
| ^
'
input.scss 2:18 root stylesheet

<===>
================================================================================
<===> error/result/uppercase/nested/input.sass
@function --a()
RESULT:
b: c

<===> error/result/uppercase/nested/error
Error: Nothing may be indented beneath a @function result.
,
3 | b: c
| ^
'
input.sass 3:5 root stylesheet

<===>
================================================================================
<===> error/result/interpolated/characters/input.scss
@function --a() {
#{result}: {}#&%^*;
}

<===> error/result/interpolated/characters/error
Error: expected "{".
,
2 | #{result}: {}#&%^*;
| ^
'
input.scss 2:21 root stylesheet

<===>
================================================================================
<===> error/result/style_rule/characters/input.scss
.a {
result: {}#&%^*;
}

<===> error/result/style_rule/characters/error
Error: expected "{".
,
2 | result: {}#&%^*;
| ^
'
input.scss 2:18 root stylesheet
12 changes: 12 additions & 0 deletions spec/css/mixin.hrx
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Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
<===> error/css/mixin/input.scss
@mixin --a {}

<===> error/css/mixin/error
Error: Sass @mixin names beginning with -- are forbidden for forward-compatibility with plain CSS mixins.

For details, see https://sass-lang.com/d/css-function-mixin
,
1 | @mixin --a {}
| ^^^
'
input.scss 1:8 root stylesheet
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