Add some missing and passing spec tests

spec/libsass-closed-issues/issue_857/expected.compact.css

@@ -0,0 +1 @@
+#hello { color: red; }

spec/libsass-closed-issues/issue_857/expected.compressed.css

@@ -0,0 +1 @@
+#hello{color:red}

spec/libsass-closed-issues/issue_857/expected.expanded.css

@@ -0,0 +1,3 @@
+#hello {
+  color: red;
+}

spec/libsass-closed-issues/issue_857/expected_output.css

@@ -0,0 +1,2 @@
+#hello {
+  color: red; }

spec/libsass-closed-issues/issue_857/input.scss

@@ -0,0 +1,11 @@
+$list: "item-1" "item-2" "item-3";
+
+#hello {
+  @if length($list) % 2 == 0 {
+    color: blue;
+  }
+
+  @else {
+    color: red;
+  }
+}

spec/libsass-closed-issues/issue_864/expected.compact.css

@@ -0,0 +1 @@
+div { color: #999999; }

spec/libsass-closed-issues/issue_864/expected.compressed.css

@@ -0,0 +1 @@
+div{color:#999}

spec/libsass-closed-issues/issue_864/expected.expanded.css

@@ -0,0 +1,3 @@
+div {
+  color: #999999;
+}

spec/libsass-closed-issues/issue_864/expected_output.css

@@ -0,0 +1,2 @@
+div {
+  color: #999999; }

spec/libsass-closed-issues/issue_864/input.scss

@@ -0,0 +1 @@
+div { color: desaturate(#999, 50%); }

spec/libsass-closed-issues/issue_893/expected.compact.css

@@ -0,0 +1 @@
+.row { margin: -20px; }

spec/libsass-closed-issues/issue_893/expected.compressed.css

@@ -0,0 +1 @@
+.row{margin:-20px}

spec/libsass-closed-issues/issue_893/expected.expanded.css

@@ -0,0 +1,3 @@
+.row {
+  margin: -20px;
+}

spec/libsass-closed-issues/issue_893/expected_output.css

@@ -0,0 +1,2 @@
+.row {
+  margin: -20px; }

spec/libsass-closed-issues/issue_893/input.scss

@@ -0,0 +1,5 @@
+$gutter: 20px;
+
+.row {
+  margin: 0 -$gutter;
+}

spec/libsass-closed-issues/issue_943/expected.compact.css

@@ -0,0 +1,3 @@
+@media (min-width: 10px) { .puppy:hover { display: none; } }
+
+.puppy { background-color: red; }

spec/libsass-closed-issues/issue_943/expected.compressed.css

@@ -0,0 +1 @@
+@media (min-width: 10px){.puppy:hover{display:none}}.puppy{background-color:red}

spec/libsass-closed-issues/issue_943/expected.expanded.css

@@ -0,0 +1,9 @@
+@media (min-width: 10px) {
+  .puppy:hover {
+    display: none;
+  }
+}
+
+.puppy {
+  background-color: red;
+}

spec/libsass-closed-issues/issue_943/expected_output.css

@@ -0,0 +1,6 @@
+@media (min-width: 10px) {
+  .puppy:hover {
+    display: none; } }
+
+.puppy {
+  background-color: red; }

spec/libsass-closed-issues/issue_943/input.scss

@@ -0,0 +1,12 @@
+%dog {
+    @media (min-width: 10px) {
+        &:hover {
+            display: none;
+        }
+    }
+}
+
+.puppy {
+    @extend %dog;
+    background-color: red;
+}

spec/libsass-closed-issues/issue_980/expected.compact.css

@@ -0,0 +1 @@
+.test { value: 16; value: 7; value: 12; }

spec/libsass-closed-issues/issue_980/expected.compressed.css

@@ -0,0 +1 @@
+.test{value:16;value:7;value:12}

spec/libsass-closed-issues/issue_980/expected.expanded.css

@@ -0,0 +1,5 @@
+.test {
+  value: 16;
+  value: 7;
+  value: 12;
+}

spec/libsass-closed-issues/issue_980/expected_output.css

@@ -0,0 +1,4 @@
+.test {
+  value: 16;
+  value: 7;
+  value: 12; }

spec/libsass-closed-issues/issue_980/input.scss

@@ -0,0 +1,13 @@
+@function foo($value, $default: 13, $args...) {
+  $res: $value + $default;
+  @if length($args) != 0 {
+    $res: $res + nth($args, 1);
+  }
+  @return $res;
+}
+
+.test {
+  value: foo(3); // expected: 16
+  value: foo(3, 4); // expected: 7
+  value: foo(3, 4, 5, 6); // expected: 12
+}

spec/libsass-closed-issues/issue_988/expected.compact.css

@@ -0,0 +1 @@
+.foo { content: "Foo-Bar-Baz-Qux"; }

spec/libsass-closed-issues/issue_988/expected.compressed.css

@@ -0,0 +1 @@
+.foo{content:"Foo-Bar-Baz-Qux"}

spec/libsass-closed-issues/issue_988/expected.expanded.css

@@ -0,0 +1,3 @@
+.foo {
+  content: "Foo-Bar-Baz-Qux";
+}

spec/libsass-closed-issues/issue_988/expected_output.css

@@ -0,0 +1,2 @@
+.foo {
+  content: "Foo-Bar-Baz-Qux"; }

spec/libsass-closed-issues/issue_988/input.scss

@@ -0,0 +1,13 @@
+@function str-replace($string, $search, $replace: '') {
+  $index: str-index($string, $search);
+  @if $index {
+    @return str-slice($string, 1, $index - 1) + $replace +
+      str-replace(str-slice($string, $index + str-length($search)), $search, $replace);
+  }
+  @return $string;
+}
+
+$string: 'Foo Bar Baz Qux';
+.foo {
+  content: str-replace($string, ' ', '-');
+}