Index: third_party/WebKit/LayoutTests/shadow-dom/slots-dom-mutation.html |
diff --git a/third_party/WebKit/LayoutTests/shadow-dom/slots-dom-mutation.html b/third_party/WebKit/LayoutTests/shadow-dom/slots-dom-mutation.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..0f7f390ec3c88943886316422bc75942d686956e |
--- /dev/null |
+++ b/third_party/WebKit/LayoutTests/shadow-dom/slots-dom-mutation.html |
@@ -0,0 +1,53 @@ |
+<!DOCTYPE html> |
+<script src="../resources/testharness.js"></script> |
+<script src="../resources/testharnessreport.js"></script> |
+<script src="resources/shadow-dom.js"></script> |
+<div id="host"> |
+ <template data-mode="open"> |
+ <slot id="slot1" name="slot1"> |
+ <div id="fallback1"></div> |
+ </slot> |
+ <slot id="slot2" name="slot2"> |
+ <div id="fallback2"></div> |
+ </slot> |
+ </template> |
+ <div id="child1" slot="slot1"></div> |
+</div> |
+<script> |
+'use strict'; |
+ |
+let n = createTestTree(host); |
+removeWhiteSpaceOnlyTextNodes(n.host); |
+ |
+test(() => { |
+ assert_array_equals(n.slot1.assignedNodes({ flatten: true }), [n.child1]); |
+ assert_array_equals(n.slot2.assignedNodes({ flatten: true }), [n.fallback2]); |
+}, "Slot's distributed nodes"); |
+ |
+test(() => { |
+ // Insert |
+ const slot0 = document.createElement('slot'); |
+ slot0.setAttribute('name', 'slot1'); |
+ n.host.shadowRoot.insertBefore(slot0, n.slot1); |
+ |
+ assert_array_equals(slot0.assignedNodes({ flatten: true }), [n.child1]); |
+ assert_array_equals(n.slot1.assignedNodes({ flatten: true }), [n.fallback1]); |
+ assert_array_equals(n.slot2.assignedNodes({ flatten: true }), [n.fallback2]); |
+ |
+ // Remove |
+ n.host.shadowRoot.removeChild(slot0); |
+ assert_array_equals(n.slot1.assignedNodes({ flatten: true }), [n.child1]); |
+ assert_array_equals(n.slot2.assignedNodes({ flatten: true }), [n.fallback2]); |
+}, "Slot's distributed nodes after inserting/removeing a slot."); |
+ |
+test(() => { |
+ // Attribute change |
+ n.slot1.setAttribute('name', 'slot-foo'); |
+ assert_array_equals(n.slot1.assignedNodes({ flatten: true }), [n.fallback1]); |
+ assert_array_equals(n.slot2.assignedNodes({ flatten: true }), [n.fallback2]); |
+ |
+ n.child1.setAttribute('slot', 'slot-foo'); |
+ assert_array_equals(n.slot1.assignedNodes({ flatten: true }), [n.child1]); |
+ assert_array_equals(n.slot2.assignedNodes({ flatten: true }), [n.fallback2]); |
+}, "Slot's distributed nodes after the attribute is changed."); |
+</script> |