Merge pull request #795 from mgreter/todo/issue_239

Add todo spec test for libsass issue 239

Author: mgreter

spec/libsass-todo-issues/issue_239/expected_output.css

@@ -0,0 +1,47 @@
+.onecol {
+  width: 5.8011%;
+  width: calc((100% - 11rem) / 12); }
+
+.twocol {
+  width: 14.36464%;
+  width: calc((100% - 5rem) / 6); }
+
+.threecol {
+  width: 22.92818%;
+  width: calc((100% - 3rem) / 4); }
+
+.fourcol {
+  width: 31.49171%;
+  width: calc((100% - 2rem) / 3); }
+
+.fivecol {
+  width: 40.05525%;
+  width: calc((100% - 1.4rem) / 2.4); }
+
+.sixcol {
+  width: 48.61878%;
+  width: calc((100% - 1rem) / 2); }
+
+.sevencol {
+  width: 57.18232%;
+  width: calc((100% - 0.71429rem) / 1.71429); }
+
+.eightcol {
+  width: 65.74586%;
+  width: calc((100% - 0.5rem) / 1.5); }
+
+.ninecol {
+  width: 74.30939%;
+  width: calc((100% - 0.33333rem) / 1.33333); }
+
+.tencol {
+  width: 82.87293%;
+  width: calc((100% - 0.2rem) / 1.2); }
+
+.elevencol {
+  width: 91.43646%;
+  width: calc((100% - 0.09091rem) / 1.09091); }
+
+.twelvecol {
+  width: 100%;
+  width: calc((100% - 0rem) / 1); }

spec/libsass-todo-issues/issue_239/input.scss

@@ -0,0 +1,30 @@
+$gutter: 100% / 36.2;
+    $gutter_em: 1rem; //This needs to be rem to not mess up margins
+
+// This calculate the gutter
+@function col_width($n, $use_calc: false) {
+    $divisor: 12 / $n;
+    @if ($use_calc) {
+        $gutter_offset: $gutter_em * ($divisor - 1);
+        @return calc((100% - #{$gutter_offset}) / #{$divisor});
+    }
+    @else {
+        @return (100% - $gutter * ($divisor - 1)) / $divisor;
+    }
+}
+
+// Each number here becomes a grid: onecol, twocol etc. 
+$grids: one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve;
+$i: 1;
+@each $grid in $grids {
+    .#{$grid}col {
+        width: col_width( $i );
+        width: col_width( $i, true );
+    }
+
+    %#{$grid}col {
+        width: col_width( $i );
+        width: col_width( $i, true );
+    }
+    $i: $i + 1;
+}