Add tests files from https://github.com/P233/Syntax-highlighting-for-…

…Sass

tests/syntax_test.SCSS

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+// SYNTAX TEST "Packages/Syntax-Highlighting-for-Sass/Syntaxes/SCSS.sublime-syntax"
+
+/*
+  block comment
+*/
+
+/*
+  block comment contains #{ $variable }
+*/
+
+/*
+  block comment contains #{ function($variable) + "escap\e" + -.5em }
+*/
+
+// line comment
+
+// line comment contains #{ $variable }
+
+// line comment contains #{ function($variable) + "escap\e" + -.5em }
+
+
+// id selectors
+#id {}
+
+#id-#{$variable}-selector {}
+
+#id-#{$variable}-#{$variable} {}
+
+#id-#{$variable}-selector,
+#another-id-selector {}
+
+#id-#{$variable}-selector, #another-id-selector {}
+
+#id:hover::before {}
+
+#id:not(body)::before {} // body should be highlighted as type selector not value
+
+#id:not(body):not(#id):not(.class):not(:first-child) {}
+
+#id:not(#{$variable})::before {}
+
+
+.class {}
+
+.class-#{$variable}-selector {}
+
+.class-#{$variable}-#{$variable} {}
+
+.class-#{$variable}-selector,
+.another-class-selector {}
+
+.class-#{$variable}-selector, .another-class-selector {}
+
+.class:haver::before {}
+
+.class:not(body)::before {}
+
+.class:not(body):not(#id):not(.class):not(:first-child) {}
+
+.class:not(#{$variable})::before {}
+
+
+#id.class:nth-of-type(2n) {}
+
+.class#id:nth-child(2n-1) {}
+.class#id:nth-child(2n+1) {}
+.class#id:nth-child(2n - 1) {}
+
+
+#id .class,
+#id > .class,
+#id ~ .class,
+#id + .class {}
+
+
+*,
+*::before,
+*::after {}
+
+
+#{$variable}::before {}
+
+##{$variable}-selector::before {}
+
+.#{$variable}-selector::before {}
+
+
+[attr] {}
+a[title] {} // title should be highlighted as attribution, not type selector
+a[href=""] {}
+a[href=ab-_a123c] {}
+a[href*=""] {}
+a[href^=""] {}
+a[href$=""] {}
+a[data-*=""] {}
+a[data~=""] {}
+a[data|=""] {}
+
+
+%placeholder {}
+
+@extend %placeholder-a1o_321;
+
+%#{$variable}-placeholder {} // Interpoluation in placeholder selector
+
+
+::-webkit-selection {}
+::selection {}
+
+
+.block {
+  &.class {}
+  &::before {}
+
+  &__element {}
+  &--modifier {}
+  &__element--#{$modifier} {}
+
+  &#{$variable} {}
+
+  &:not(&-#{$variable}) {}
+}
+
+
+:root {
+  --css-variable_123: 20px;
+}
+
+body {
+  padding: var(--css-variable_123);
+  proprety-#{$variable}: value;
+  #{$var}-proprety: value;
+  proprety-#{$var}-proprety: value;
+}
+
+
+$variable: 123px;
+$variable123: #fff;
+$va1ri2ab3le-321a: #ABCDEF !default;
+$_va1ri_2ab3le_321a: inline !important;
+$variable: function($variable);
+
+$map: (
+  body: (
+    width-1: 200px * $variable #{$variable} 'stirng',
+    height: (
+      "key": 200px * $variable #{$variable} 'stirng' function(),
+      key: (
+        "key": 200px * $variable #{$variable} 'stirng' function()
+      )
+    )
+  )
+);
+
+
+$map: (
+  key-1: #000,
+  key-2: (
+    key-3: 123px
+  )
+);
+
+body {
+  content: "double quoted string";
+  content: 'single quoted string';
+  content: "broken double quoted string will not be highlighted;
+  content: 'broken single quoted string will not be highlighted;
+  content: "double quoted string contains \escape";
+  content: 'single quoted string contains \escape';
+  content: "double quoted string contains #{ $variable }";
+  content: 'single quoted string contains #{ $variable }';
+  content: "double quoted string contains #{ function($variable) + -.5em }";
+  content: 'single quoted string contains #{ function($variable) + -.5em }';
+}
+
+body {
+  width: 123px;
+  width: .123px;
+  width: -321.123px;
+  width: -.123px;
+  width: -#{$number}px;
+  width: -$variable;
+  width: -($variable * 2);
+  width: 20px+20px;
+  width: auto;
+
+  background: url(../../assets/image.pn
+  background: url(../../assets/image.png);
+
+  content: attr(data-att
+  content: attr(data-attr);
+}
+
+
+a {
+  text-align: center; display: block; line-height: 1.5; background: red;
+}
+
+
+@mixin mixin() {}
+@mixin mixin-123_1eaf2u () {}
+
+@function function($a, $b, $c...) {}
+
+@include mixin() {}
+@include mixin-123_1eaf2u {}
+
+@else if {}
+@if not {}
+@if $a or $b {}
+
+@media only screen and (max-width: 100px) and (min-width: 50px) {}
+
+@media print {}
+
+
+// TODO
+
+body {
+  background-image: url(if($bootstrap-sass-asset-helper, twbs-image-path("#{$file-1x}"), "#{$file-1x}"));
+}
+
+body::before {
+  content '
+multiple line string
+';
+}
+
+#fff {
+  box-shadow: 0 0 0 #fff,
+    0 0 0 #fff,
+    0 0 0 #fff;
+}