Add Indented syntax tests

spec/indented-syntax/arguments.hrx

@@ -0,0 +1,11 @@
+<===> arguments/function/input.sass
+@function increment($number, $by: 1)
+  @return $number + $by
+
+.header
+  --var: #{increment(2,8)}
+
+<===> arguments/function/output.css
+.header {
+  --var: 10;
+}

spec/indented-syntax/comments.hrx

@@ -0,0 +1,31 @@
+<===> comments/loud/input.sass
+/* Persist */
+a
+  color: blue
+<===> comments/loud/output.css
+/* Persist */
+a {
+  color: blue;
+}
+
+<===>
+================================================================================
+<===> comments/silent/input.sass
+// Disappear
+a
+  color: blue
+// Disappear
+<===> comments/silent/output.css
+a {
+  color: blue;
+}
+
+<===>
+================================================================================
+<===> comments/whitespace/input.sass
+a /* Disappear */
+  color: blue
+<===> comments/whitespace/output.css
+a {
+  color: blue;
+}

spec/indented-syntax/custom-properties.hrx

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+<===> custom-properties/no-interpolation/input.sass
+$b: 1
+a
+  --key: $b
+
+<===> custom-properties/no-interpolation/output.css
+a {
+  --key: $b;
+}
+
+<===>
+================================================================================
+<===> custom-properties/interpolation/input.sass
+$b: 1
+a
+  --key: #{$b}
+
+<===> custom-properties/interpolation/output.css
+a {
+  --key: 1;
+}
+
+<===>
+================================================================================
+<===> custom-properties/interpolation-mix/input.sass
+$b: 1
+a
+  --key: $b #{$b}
+
+<===> custom-properties/interpolation-mix/output.css
+a {
+  --key: $b 1;
+}

spec/indented-syntax/each.hrx

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+<===> each/each/input.sass
+$sizes: 12px, 24px
+
+@each $size in $sizes
+  .size-#{$size}
+    font-size: $size
+
+<===> each/each/output.css
+.size-12px {
+  font-size: 12px;
+}
+.size-24px {
+  font-size: 24px;
+}

spec/indented-syntax/for.hrx

@@ -0,0 +1,24 @@
+<===> for/through/input.sass
+body
+  @for $i from 1 through 3
+    --item-#{$i}: #{$i * 2}
+
+<===> for/through/output.css
+body {
+  --item-1: 2;
+  --item-2: 4;
+  --item-3: 6;
+}
+
+<===>
+================================================================================
+<===> for/to/input.sass
+body
+  @for $i from 1 to 3
+    --item-#{$i}: #{$i * 2}
+
+<===> for/to/output.css
+body {
+  --item-1: 2;
+  --item-2: 4;
+}

spec/indented-syntax/if.hrx

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+<===> if/if/input.sass
+$v: true
+a
+  @if $v
+    value: 1
+
+<===> if/if/output.css
+a {
+  value: 1;
+}
+
+<===>
+================================================================================
+<===> if/if-statement/input.sass
+$v: up
+a
+  @if $v == up
+    value: 1
+
+<===> if/if-statement/output.css
+a {
+  value: 1;
+}
+
+<===>
+================================================================================
+<===> if/if-statement-wrapped/input.sass
+$v: up
+a
+  @if ($v == up)
+    value: 1
+
+<===> if/if-statement-wrapped/output.css
+a {
+  value: 1;
+}

spec/indented-syntax/lists.hrx

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+<===> lists/inline/input.sass
+$list: (1, 2)
+a
+  value: $list
+
+<===> lists/inline/output.css
+a {
+  value: 1, 2;
+}
+
+<===>
+================================================================================
+<===> lists/inline-trailing-comma/input.sass
+$list: 1, 2,
+a
+  value: $list
+
+<===> lists/inline-trailing-comma/output.css
+a {
+  value: 1, 2;
+}
+
+<===>
+================================================================================
+<===> font-face/inline/input.sass
+@font-face
+    font-family: 'Geneva'
+    src: url('fonts/geneva-webfont.eot')
+    src: url('fonts/geneva-webfont.eot?#iefix') format('embedded-opentype'), url('fonts/geneva-webfont.woff') format('woff'), url('fonts/geneva-webfont.ttf') format('truetype')
+    font-weight: normal
+    font-style: normal
+
+<===> font-face/inline/output.css
+@font-face {
+  font-family: "Geneva";
+  src: url("fonts/geneva-webfont.eot");
+  src: url("fonts/geneva-webfont.eot?#iefix") format("embedded-opentype"), url("fonts/geneva-webfont.woff") format("woff"), url("fonts/geneva-webfont.ttf") format("truetype");
+  font-weight: normal;
+  font-style: normal;
+}

spec/indented-syntax/operations.hrx

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+<===> operations/equal/input.sass
+a
+  value: 1 == 1
+
+<===> operations/equal/output.css
+a {
+  value: true;
+}

spec/indented-syntax/selectors.hrx

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+<===> selectors/inline/input.sass
+a .b, .c .d
+    value: 1
+
+<===> selectors/inline/output.css
+a .b, .c .d {
+  value: 1;
+}
+
+<===>
+================================================================================
+<===> selectors/multiline/input.sass
+// Line breaks in selectors after a comma is ignored
+a .b,
+.c .d
+  value: 1
+
+<===> selectors/multiline/output.css
+a .b,
+.c .d {
+  value: 1;
+}
+
+<===>
+================================================================================
+<===> selectors/whitespace/input.sass
+// Whitespace in selectors after a comma is ignored
+a .b,
+        .c .d
+  value: 1
+
+<===> selectors/whitespace/output.css
+a .b,
+.c .d {
+  value: 1;
+}

spec/indented-syntax/style-rules.hrx

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+<===> style-rules/simple/input.sass
+a
+  value: 1
+
+<===> style-rules/simple/output.css
+a {
+  value: 1;
+}
+
+<===>
+================================================================================
+<===> style-rules/nested/input.sass
+a
+  .b
+    value: 1
+
+<===> style-rules/nested/output.css
+a .b {
+  value: 1;
+}
+
+<===>
+================================================================================
+<===> style-rules/nested-non-parent/input.sass
+a
+  font
+    weight: 1
+
+<===> style-rules/nested-non-parent/output.css
+a font {
+  weight: 1;
+}
+
+<===>
+================================================================================
+<===> style-rules/nested-parent/input.sass
+a
+  font:
+    weight: bold
+
+<===> style-rules/nested-parent/output.css
+a {
+  font-weight: bold;
+}