Re-enable calc function specs

spec/css/plain/error/expression/calculation.hrx

@@ -56,12 +56,12 @@ Error: Module namespaces aren't allowed in plain CSS.
 a {b: calc(#%^&)}
 
 <===> line_noise/error
-Error: Expected number, variable, function, or calculation.
+Error: Expected identifier.
   ,
 1 | a {b: calc(#%^&)}
-  |            ^
+  |             ^
   '
-  plain.css 1:12  @use
+  plain.css 1:13  @use
   input.scss 1:1  root stylesheet
 
 <===>
@@ -73,10 +73,10 @@ Error: Expected number, variable, function, or calculation.
 a {b: calc()}
 
 <===> wrong_args/error
-Error: Expected number, variable, function, or calculation.
+Error: Missing argument.
   ,
 1 | a {b: calc()}
-  |            ^
+  |       ^^^^^^
   '
-  plain.css 1:12  @use
+  plain.css 1:7   @use
   input.scss 1:1  root stylesheet

spec/css/plain/error/expression/list.hrx

@@ -6,12 +6,12 @@ a {
 }
 
 <===> empty/error
-Error: Parentheses aren't allowed in plain CSS.
+Error: Expected expression.
   ,
 2 |   x: ();
-  |      ^
+  |       ^
   '
-  plain.css 2:6   @import
+  plain.css 2:7   @import
   input.scss 1:9  root stylesheet
 
 <===>
@@ -24,10 +24,10 @@ a {
 }
 
 <===> empty_comma/error
-Error: Parentheses aren't allowed in plain CSS.
+Error: Expected expression.
   ,
 2 |   x: (,);
-  |      ^
+  |       ^
   '
-  plain.css 2:6   @import
+  plain.css 2:7   @import
   input.scss 1:9  root stylesheet

spec/css/plain/error/expression/map.hrx

@@ -6,10 +6,10 @@ a {
 }
 
 <===> error
-Error: Parentheses aren't allowed in plain CSS.
+Error: expected ")".
   ,
 2 |   x: (y: z);
-  |      ^
+  |        ^
   '
-  plain.css 2:6   @import
+  plain.css 2:8   @import
   input.scss 1:9  root stylesheet

spec/css/plain/error/expression/parentheses.hrx

@@ -9,7 +9,7 @@ a {
 Error: Parentheses aren't allowed in plain CSS.
   ,
 2 |   x: (y);
-  |      ^
+  |      ^^^
   '
   plain.css 2:6   @import
   input.scss 1:9  root stylesheet

spec/libsass-closed-issues/issue_246.hrx

@@ -1,7 +1,7 @@
 <===> options.yml
 ---
-:warning_todo:
-- sass/libsass#2887
+:ignore_for:
+- libsass
 
 <===> input.scss
 $content-width: 960px;
@@ -18,12 +18,12 @@ $content-width: 960px;
 <===> output.css
 /* demo.css: */
 .selector {
-  padding: 0 calc(100%/2 - 480px);
+  padding: 0 calc(50% - 480px);
 }
 
 /* bin/sassc demo.scss */
 .selector {
-  padding: 0 calc(100%/2 - 480px);
+  padding: 0 calc(50% - 480px);
 }
 
 <===> warning

spec/operators/modulo.hrx

@@ -0,0 +1,43 @@
+<===> options.yml
+:ignore_for:
+- libsass
+
+<===>
+================================================================================
+<===> degenerate/modulus/infinity/positive_and_positive/input.scss
+a {b: 1px % calc(infinity * 1px)}
+
+<===> degenerate/modulus/infinity/positive_and_positive/output.css
+a {
+  b: 1px;
+}
+
+<===>
+================================================================================
+<===> degenerate/modulus/infinity/positive_and_negative/input.scss
+a {b: 1px % calc(-infinity * 1px)}
+
+<===> degenerate/modulus/infinity/positive_and_negative/output.css
+a {
+  b: calc(NaN * 1px);
+}
+
+<===>
+================================================================================
+<===> degenerate/modulus/infinity/negative_and_negative/input.scss
+a {b: -1px % calc(-infinity * 1px)}
+
+<===> degenerate/modulus/infinity/negative_and_negative/output.css
+a {
+  b: -1px;
+}
+
+<===>
+================================================================================
+<===> degenerate/modulus/infinity/negative_and_positive/input.scss
+a {b: -1px % calc(infinity * 1px)}
+
+<===> degenerate/modulus/infinity/negative_and_positive/output.css
+a {
+  b: calc(NaN * 1px);
+}

spec/values/calculation/abs.hrx

@@ -110,14 +110,38 @@ b {
 
 <===> math/slash_as_division/warning
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
+
 Recommendation: math.div(2px, abs(1.5)) or calc(2px / abs(1.5))
+
 More info and automated migrator: https://sass-lang.com/d/slash-div
+
   ,
 2 |   a: 2px / abs(1.5);
   |      ^^^^^^^^^^^^^^
   '
     input.scss 2:6  root stylesheet
 
+<===>
+================================================================================
+<===> case_insensitive/input.scss
+a {b: AbS(-2)}
+
+<===> case_insensitive/output.css
+a {
+  b: 2;
+}
+
+<===>
+================================================================================
+<===> overridden/input.scss
+@function abs($arg) {@return $arg}
+a {b: abs(-2)}
+
+<===> overridden/output.css
+a {
+  b: -2;
+}
+
 <===>
 ================================================================================
 <===> error/sass_script_and_variable/input.scss
@@ -150,14 +174,10 @@ Error: $number: "0" is not a number.
 a {b: abs()}
 
 <===> error/too_few_args/error
-Error: Missing argument $number.
-  ,--> input.scss
+Error: Missing argument.
+  ,
 1 | a {b: abs()}
-  |       ^^^^^ invocation
-  '
-  ,--> sass:math
-1 | @function abs($number) {
-  |           ============ declaration
+  |       ^^^^^
   '
   input.scss 1:7  root stylesheet
 
@@ -168,13 +188,9 @@ a {b: abs(1, 2)}
 
 <===> error/too_many_args/error
 Error: Only 1 argument allowed, but 2 were passed.
-  ,--> input.scss
+  ,
 1 | a {b: abs(1, 2)}
-  |       ^^^^^^^^^ invocation
-  '
-  ,--> sass:math
-1 | @function abs($number) {
-  |           ============ declaration
+  |       ^^^^^^^^^
   '
   input.scss 1:7  root stylesheet
 

spec/values/calculation/acos.hrx

@@ -64,6 +64,27 @@ a {
   b: acos(2px + var(--c));
 }
 
+<===>
+================================================================================
+<===> case_insensitive/input.scss
+a {b: AcOs(1)}
+
+<===> case_insensitive/output.css
+a {
+  b: 0deg;
+}
+
+<===>
+================================================================================
+<===> overridden/input.scss
+@function acos($arg) {@return $arg}
+a {b: acos(1)}
+
+<===> overridden/output.css
+a {
+  b: 1;
+}
+
 <===>
 ================================================================================
 <===> error/unit/unknown/input.scss
@@ -109,10 +130,10 @@ Error: Expected -1.75px/em to have no units.
 a {b: acos("0")}
 
 <===> error/type/error
-Error: Expected number, variable, function, or calculation.
+Error: This expression can't be used in a calculation.
   ,
 1 | a {b: acos("0")}
-  |            ^
+  |            ^^^
   '
   input.scss 1:12  root stylesheet
 
@@ -122,25 +143,25 @@ Error: Expected number, variable, function, or calculation.
 a {b: acos()}
 
 <===> error/too_few_args/error
-Error: Expected number, variable, function, or calculation.
+Error: Missing argument.
   ,
 1 | a {b: acos()}
-  |            ^
+  |       ^^^^^^
   '
-  input.scss 1:12  root stylesheet
+  input.scss 1:7  root stylesheet
 
 <===>
 ================================================================================
 <===> error/too_many_args/input.scss
 a {b: acos(0, 0)}
 
 <===> error/too_many_args/error
-Error: expected "+", "-", "*", "/", or ")".
+Error: Only 1 argument allowed, but 2 were passed.
   ,
 1 | a {b: acos(0, 0)}
-  |             ^
+  |       ^^^^^^^^^^
   '
-  input.scss 1:13  root stylesheet
+  input.scss 1:7  root stylesheet
 
 <===>
 ================================================================================
@@ -161,7 +182,7 @@ Error: Expected identifier.
 a {b: acos(7 % 3)}
 
 <===> error/sass_script/error
-Error: expected "+", "-", "*", "/", or ")".
+Error: This operation can't be used in a calculation.
   ,
 1 | a {b: acos(7 % 3)}
   |              ^

spec/values/calculation/asin.hrx

@@ -64,6 +64,27 @@ a {
   b: asin(2px + var(--c));
 }
 
+<===>
+================================================================================
+<===> case_insensitive/input.scss
+a {b: aSiN(1)}
+
+<===> case_insensitive/output.css
+a {
+  b: 90deg;
+}
+
+<===>
+================================================================================
+<===> overridden/input.scss
+@function asin($arg) {@return $arg}
+a {b: asin(1)}
+
+<===> overridden/output.css
+a {
+  b: 1;
+}
+
 <===>
 ================================================================================
 <===> error/unit/unknown/input.scss
@@ -109,10 +130,10 @@ Error: Expected -1.75px/em to have no units.
 a {b: asin("0")}
 
 <===> error/type/error
-Error: Expected number, variable, function, or calculation.
+Error: This expression can't be used in a calculation.
   ,
 1 | a {b: asin("0")}
-  |            ^
+  |            ^^^
   '
   input.scss 1:12  root stylesheet
 
@@ -122,25 +143,25 @@ Error: Expected number, variable, function, or calculation.
 a {b: asin()}
 
 <===> error/too_few_args/error
-Error: Expected number, variable, function, or calculation.
+Error: Missing argument.
   ,
 1 | a {b: asin()}
-  |            ^
+  |       ^^^^^^
   '
-  input.scss 1:12  root stylesheet
+  input.scss 1:7  root stylesheet
 
 <===>
 ================================================================================
 <===> error/too_many_args/input.scss
 a {b: asin(0, 0)}
 
 <===> error/too_many_args/error
-Error: expected "+", "-", "*", "/", or ")".
+Error: Only 1 argument allowed, but 2 were passed.
   ,
 1 | a {b: asin(0, 0)}
-  |             ^
+  |       ^^^^^^^^^^
   '
-  input.scss 1:13  root stylesheet
+  input.scss 1:7  root stylesheet
 
 <===>
 ================================================================================
@@ -161,7 +182,7 @@ Error: Expected identifier.
 a {b: asin(7 % 3)}
 
 <===> error/sass_script/error
-Error: expected "+", "-", "*", "/", or ")".
+Error: This operation can't be used in a calculation.
   ,
 1 | a {b: asin(7 % 3)}
   |              ^