Index: third_party/WebKit/LayoutTests/fast/css/atapply/at-apply-cascade-trick.html |
diff --git a/third_party/WebKit/LayoutTests/fast/css/atapply/at-apply-cascade-trick.html b/third_party/WebKit/LayoutTests/fast/css/atapply/at-apply-cascade-trick.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..c7006fe77da5056dcdc37d094efb1bd89d9f17be |
--- /dev/null |
+++ b/third_party/WebKit/LayoutTests/fast/css/atapply/at-apply-cascade-trick.html |
@@ -0,0 +1,39 @@ |
+<!doctype html> |
+<script src="../../../resources/testharness.js"></script> |
+<script src="../../../resources/testharnessreport.js"></script> |
+<style> |
+#e1 { |
+ --props: { |
+ width: 100px; |
+ background-color: red; |
+ } |
+} |
+#e2 { |
+ --props-copy: var(--props); |
+} |
+#e3 { |
+ --props: { |
+ @apply --props-copy; |
+ background-color: green; |
+ height: 200px; |
+ } |
+} |
+#e4 { |
+ @apply --props; |
+} |
+</style> |
+<div id=e1> |
+ <div id=e2> |
+ <div id=e3> |
+ <div id=e4> |
+ </div> |
+ </div> |
+ </div> |
+</div> |
+<script> |
+test(function(){ |
+ assert_equals(getComputedStyle(e4).backgroundColor, "rgb(0, 128, 0)"); |
+ assert_equals(getComputedStyle(e4).width, "100px"); |
+ assert_equals(getComputedStyle(e4).height, "200px"); |
+}, "Custom property sets can be extended with the cascade trick"); |
+</script> |