[Color 4] Update tests for Color Level 4

This updates most tests for the currently-implemented chunk of the
Color 4 feature. A few tests that need more thorough reworking (such
as being moved out of `error/` for things that are no longer intended
to be errors) are marked as "todo" instead.

See #1828
See sass/sass#2831

spec/core_functions/color/adjust_color/error/args.hrx

@@ -44,7 +44,7 @@ Error: Only one positional argument is allowed. All other arguments must be pass
 a {b: adjust-color(red, $ambience: 10%)}
 
 <===> unknown/error
-Error: No argument named $ambience.
+Error: $ambience: Color space rgb doesn't have a channel with this name.
   ,
 1 | a {b: adjust-color(red, $ambience: 10%)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

spec/core_functions/color/adjust_color/error/bounds.hrx

@@ -1,3 +1,14 @@
+<===> README.md
+According to the new color space spec, out-of-bounds values should be allowed
+(and clamped for strictly bounded spaces). See sass/sass-spec#1828.
+
+<===> options.yml
+---
+:todo:
+- dart-sass
+
+<===>
+================================================================================
 <===> red/too_low/input.scss
 a {b: adjust-color(red, $red: -256)}
 

spec/core_functions/color/adjust_color/error/mixed_formats.hrx

@@ -2,7 +2,7 @@
 a {b: adjust-color(red, $red: 1, $hue: 1)}
 
 <===> red_and_hue/error
-Error: RGB parameters may not be passed along with HSL parameters.
+Error: $hue: Color space rgb doesn't have a channel with this name.
   ,
 1 | a {b: adjust-color(red, $red: 1, $hue: 1)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -23,7 +23,7 @@ Error: Cannot specify HSL and RGB values for a color at the same time for `adjus
 a {b: adjust-color(red, $green: 1, $saturation: 1%)}
 
 <===> green_and_saturation/error
-Error: RGB parameters may not be passed along with HSL parameters.
+Error: $saturation: Color space rgb doesn't have a channel with this name.
   ,
 1 | a {b: adjust-color(red, $green: 1, $saturation: 1%)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -44,7 +44,7 @@ Error: Cannot specify HSL and RGB values for a color at the same time for `adjus
 a {b: adjust-color(red, $blue: 1, $lightness: 1%)}
 
 <===> blue_and_lightness/error
-Error: RGB parameters may not be passed along with HSL parameters.
+Error: $lightness: Color space rgb doesn't have a channel with this name.
   ,
 1 | a {b: adjust-color(red, $blue: 1, $lightness: 1%)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -70,7 +70,7 @@ Error: Cannot specify HSL and RGB values for a color at the same time for `adjus
 a {b: adjust-color(red, $red: 1, $blackness: 1%)}
 
 <===> red_and_blackness/error
-Error: RGB parameters may not be passed along with HWB parameters.
+Error: $blackness: Color space rgb doesn't have a channel with this name.
   ,
 1 | a {b: adjust-color(red, $red: 1, $blackness: 1%)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -88,7 +88,7 @@ Error: RGB parameters may not be passed along with HWB parameters.
 a {b: adjust-color(red, $green: 1, $whiteness: 1%)}
 
 <===> green_and_whiteness/error
-Error: RGB parameters may not be passed along with HWB parameters.
+Error: $whiteness: Color space rgb doesn't have a channel with this name.
   ,
 1 | a {b: adjust-color(red, $green: 1, $whiteness: 1%)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -106,7 +106,7 @@ Error: RGB parameters may not be passed along with HWB parameters.
 a {b: adjust-color(red, $saturation: 1%, $blackness: 1%)}
 
 <===> saturation_and_blackness/error
-Error: HSL parameters may not be passed along with HWB parameters.
+Error: $blackness: Color space hsl doesn't have a channel with this name.
   ,
 1 | a {b: adjust-color(red, $saturation: 1%, $blackness: 1%)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -124,7 +124,7 @@ Error: HSL parameters may not be passed along with HWB parameters.
 a {b: adjust-color(red, $lightness: 1%, $whiteness: 1%)}
 
 <===> lightness_and_whiteness/error
-Error: HSL parameters may not be passed along with HWB parameters.
+Error: $whiteness: Color space hsl doesn't have a channel with this name.
   ,
 1 | a {b: adjust-color(red, $lightness: 1%, $whiteness: 1%)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

spec/core_functions/color/adjust_color/hsl.hrx

@@ -2,6 +2,11 @@
 a {b: adjust-color(red, $hue: 359)}
 
 <===> hue/max/output.css
+a {
+  b: rgb(255, 0, 4.25);
+}
+
+<===> hue/max/output-libsass.css
 a {
   b: #ff0004;
 }
@@ -52,6 +57,11 @@ a {
 a {b: adjust-color(red, $hue: 123)}
 
 <===> hue/middle/output.css
+a {
+  b: rgb(0, 255, 12.75);
+}
+
+<===> hue/middle/output-libsass.css
 a {
   b: #00ff0d;
 }
@@ -62,6 +72,11 @@ a {
 a {b: adjust-color(red, $hue: 0.5)}
 
 <===> hue/fraction/output.css
+a {
+  b: rgb(255, 2.125, 0);
+}
+
+<===> hue/fraction/output-libsass.css
 a {
   b: #ff0200;
 }
@@ -102,6 +117,11 @@ a {
 a {b: adjust-color(plum, $saturation: -100%)}
 
 <===> saturation/min/output.css
+a {
+  b: rgb(190.5, 190.5, 190.5);
+}
+
+<===> saturation/min/output-libsass.css
 a {
   b: #bfbfbf;
 }
@@ -112,6 +132,11 @@ a {
 a {b: adjust-color(plum, $saturation: -48%)}
 
 <===> saturation/min_remaining/output.css
+a {
+  b: rgb(190.5, 190.5, 190.5);
+}
+
+<===> saturation/min_remaining/output-libsass.css
 a {
   b: #bfbfbf;
 }
@@ -122,6 +147,11 @@ a {
 a {b: adjust-color(plum, $saturation: 14%)}
 
 <===> saturation/high/output.css
+a {
+  b: rgb(230.03, 150.97, 230.03);
+}
+
+<===> saturation/high/output-libsass.css
 a {
   b: #e697e6;
 }
@@ -132,6 +162,11 @@ a {
 a {b: adjust-color(plum, $saturation: -14%)}
 
 <===> saturation/low/output.css
+a {
+  b: rgb(211.97, 169.03, 211.97);
+}
+
+<===> saturation/low/output-libsass.css
 a {
   b: #d4a9d4;
 }
@@ -172,6 +207,11 @@ a {
 a {b: adjust-color(red, $lightness: 0.5%)}
 
 <===> lightness/fraction/output.css
+a {
+  b: rgb(255, 2.55, 2.55);
+}
+
+<===> lightness/fraction/output-libsass.css
 a {
   b: #ff0303;
 }
@@ -202,6 +242,11 @@ a {
 a {b: adjust-color(red, $lightness: 14%)}
 
 <===> lightness/high/output.css
+a {
+  b: rgb(255, 71.4, 71.4);
+}
+
+<===> lightness/high/output-libsass.css
 a {
   b: #ff4747;
 }
@@ -212,6 +257,11 @@ a {
 a {b: adjust-color(red, $lightness: -14%)}
 
 <===> lightness/low/output.css
+a {
+  b: rgb(183.6, 0, 0);
+}
+
+<===> lightness/low/output-libsass.css
 a {
   b: #b80000;
 }
@@ -222,6 +272,11 @@ a {
 a {b: adjust-color(black, $hue: 12, $saturation: 24%, $lightness: 48%)}
 
 <===> all/output.css
+a {
+  b: rgb(151.776, 104.7744, 93.024);
+}
+
+<===> all/output-libsass.css
 a {
   b: #98695d;
 }
@@ -232,6 +287,11 @@ a {
 a {b: adjust-color(rgba(black, 0.7), $hue: 12, $saturation: 24%, $lightness: 48%)}
 
 <===> alpha_input/output.css
+a {
+  b: rgba(151.776, 104.7744, 93.024, 0.7);
+}
+
+<===> alpha_input/output-libsass.css
 a {
   b: rgba(152, 105, 93, 0.7);
 }
@@ -242,6 +302,11 @@ a {
 a {b: adjust-color(black, $hue: 12, $saturation: 24%, $lightness: 48%, $alpha: -0.7)}
 
 <===> alpha_arg/output.css
+a {
+  b: rgba(151.776, 104.7744, 93.024, 0.3);
+}
+
+<===> alpha_arg/output-libsass.css
 a {
   b: rgba(152, 105, 93, 0.3);
 }
@@ -253,6 +318,11 @@ a {
 a {b: adjust-color(black, $hue: 12, $saturation: 24%, $lightness: 48%, $alpha: 0.7)}
 
 <===> alpha_arg_above_max/output.css
+a {
+  b: rgb(151.776, 104.7744, 93.024);
+}
+
+<===> alpha_arg_above_max/output-libsass.css
 a {
   b: #98695d;
 }
@@ -263,6 +333,11 @@ a {
 a {b: adjust-color($color: black, $hue: 12, $saturation: 24%, $lightness: 48%)}
 
 <===> named/output.css
+a {
+  b: rgb(151.776, 104.7744, 93.024);
+}
+
+<===> named/output-libsass.css
 a {
   b: #98695d;
 }

spec/core_functions/color/adjust_color/hwb.hrx

@@ -10,7 +10,7 @@ a {b: adjust-color(#cc6666, $whiteness: 100%)}
 
 <===> whiteness/max/output.css
 a {
-  b: #d5d5d5;
+  b: rgb(212.5, 212.5, 212.5);
 }
 
 <===>
@@ -20,7 +20,7 @@ a {b: adjust-color(#cc6666, $whiteness: 60%)}
 
 <===> whiteness/max_remaining/output.css
 a {
-  b: #d5d5d5;
+  b: rgb(212.5, 212.5, 212.5);
 }
 
 <===>
@@ -80,7 +80,7 @@ a {b: adjust-color(#993333, $blackness: 100%)}
 
 <===> blackness/max/output.css
 a {
-  b: #2b2b2b;
+  b: rgb(42.5, 42.5, 42.5);
 }
 
 <===>
@@ -90,7 +90,7 @@ a {b: adjust-color(#993333, $blackness: 60%)}
 
 <===> blackness/max_remaining/output.css
 a {
-  b: #2b2b2b;
+  b: rgb(42.5, 42.5, 42.5);
 }
 
 <===>

spec/core_functions/color/adjust_color/units.hrx

@@ -57,7 +57,7 @@ a {b: adjust-color(red, $hue: 60rad)}
 
 <===> hue/angle/output.css
 a {
-  b: #00b4ff;
+  b: rgb(0, 179.576224164, 255);
 }
 
 <===>
@@ -66,6 +66,11 @@ a {
 a {b: adjust-color(red, $saturation: -10%)}
 
 <===> saturation/percent/output.css
+a {
+  b: rgb(242.25, 12.75, 12.75);
+}
+
+<===> saturation/percent/output-libsass.css
 a {
   b: #f20d0d;
 }
@@ -76,6 +81,11 @@ a {
 a {b: adjust-color(red, $saturation: -10)}
 
 <===> saturation/unitless/output.css
+a {
+  b: rgb(242.25, 12.75, 12.75);
+}
+
+<===> saturation/unitless/output-libsass.css
 a {
   b: #f20d0d;
 }
@@ -93,12 +103,19 @@ More info: https://sass-lang.com/d/function-units
   '
     input.scss 1:7  root stylesheet
 
+<===> saturation/unitless/warning-libsass
+
 <===>
 ================================================================================
 <===> saturation/unknown/input.scss
 a {b: adjust-color(red, $saturation: -10in)}
 
 <===> saturation/unknown/output.css
+a {
+  b: rgb(242.25, 12.75, 12.75);
+}
+
+<===> saturation/unknown/output-libsass.css
 a {
   b: #f20d0d;
 }
@@ -116,6 +133,8 @@ More info: https://sass-lang.com/d/function-units
   '
     input.scss 1:7  root stylesheet
 
+<===> saturation/unknown/warning-libsass
+
 <===>
 ================================================================================
 <===> lightness/percent/input.scss