1 files changed, 99 insertions, 0 deletions
diff --git a/testing/web-platform/meta/shadow-dom/slotchange-event.html.ini b/testing/web-platform/meta/shadow-dom/slotchange-event.html.ini
new file mode 100644
index 000000000..434e7d9ba
--- /dev/null
+++ b/testing/web-platform/meta/shadow-dom/slotchange-event.html.ini
@@ -0,0 +1,99 @@
+[slotchange-event.html]
+  type: testharness
+  expected: ERROR
+  [slotchange event must fire on a default slot element inside an open shadow root  in a document]
+    expected: FAIL
+
+  [slotchange event must fire on a default slot element inside a closed shadow root  in a document]
+    expected: FAIL
+
+  [slotchange event must fire on a default slot element inside an open shadow root  not in a document]
+    expected: FAIL
+
+  [slotchange event must fire on a default slot element inside a closed shadow root  not in a document]
+    expected: FAIL
+
+  [slotchange event must fire on a named slot element insidean open shadow root  in a document]
+    expected: FAIL
+
+  [slotchange event must fire on a named slot element insidea closed shadow root  in a document]
+    expected: FAIL
+
+  [slotchange event must fire on a named slot element insidean open shadow root  not in a document]
+    expected: FAIL
+
+  [slotchange event must fire on a named slot element insidea closed shadow root  not in a document]
+    expected: FAIL
+
+  [slotchange event must not fire on a slot element inside an open shadow root  in a document when another slot's assigned nodes change]
+    expected: FAIL
+
+  [slotchange event must not fire on a slot element inside a closed shadow root  in a document when another slot's assigned nodes change]
+    expected: FAIL
+
+  [slotchange event must not fire on a slot element inside an open shadow root  not in a document when another slot's assigned nodes change]
+    expected: FAIL
+
+  [slotchange event must not fire on a slot element inside a closed shadow root  not in a document when another slot's assigned nodes change]
+    expected: FAIL
+
+  [slotchange event must not fire on a slot element inside an open shadow root  in a document when the shadow host was mutated before the slot was inserted or after the slot was removed]
+    expected: FAIL
+
+  [slotchange event must not fire on a slot element inside a closed shadow root  in a document when the shadow host was mutated before the slot was inserted or after the slot was removed]
+    expected: FAIL
+
+  [slotchange event must not fire on a slot element inside an open shadow root  not in a document when the shadow host was mutated before the slot was inserted or after the slot was removed]
+    expected: FAIL
+
+  [slotchange event must not fire on a slot element inside a closed shadow root  not in a document when the shadow host was mutated before the slot was inserted or after the slot was removed]
+    expected: FAIL
+
+  [slotchange event must fire on a slot element inside an open shadow root  in a document even if the slot was removed immediately after the assigned nodes were mutated]
+    expected: FAIL
+
+  [slotchange event must fire on a slot element inside a closed shadow root  in a document even if the slot was removed immediately after the assigned nodes were mutated]
+    expected: FAIL
+
+  [slotchange event must fire on a slot element inside an open shadow root  not in a document even if the slot was removed immediately after the assigned nodes were mutated]
+    expected: FAIL
+
+  [slotchange event must fire on a slot element inside a closed shadow root  not in a document even if the slot was removed immediately after the assigned nodes were mutated]
+    expected: FAIL
+
+  [slotchange event must fire on a slot element inside an open shadow root  in a document when innerHTML modifies the children of the shadow host]
+    expected: FAIL
+
+  [slotchange event must fire on a slot element inside a closed shadow root  in a document when innerHTML modifies the children of the shadow host]
+    expected: FAIL
+
+  [slotchange event must fire on a slot element inside an open shadow root  not in a document when innerHTML modifies the children of the shadow host]
+    expected: FAIL
+
+  [slotchange event must fire on a slot element inside a closed shadow root  not in a document when innerHTML modifies the children of the shadow host]
+    expected: FAIL
+
+  [slotchange event must fire on a slot element inside an open shadow root  in a document when nested slots's contents change]
+    expected: FAIL
+
+  [slotchange event must fire on a slot element inside a closed shadow root  in a document when nested slots's contents change]
+    expected: FAIL
+
+  [slotchange event must fire on a slot element inside an open shadow root  not in a document when nested slots's contents change]
+    expected: FAIL
+
+  [slotchange event must fire on a slot element inside a closed shadow root  not in a document when nested slots's contents change]
+    expected: FAIL
+
+  [slotchange event must fire at the end of current microtask after mutation observers are invoked inside an open shadow root  in a document when slots's contents change]
+    expected: FAIL
+
+  [slotchange event must fire at the end of current microtask after mutation observers are invoked inside a closed shadow root  in a document when slots's contents change]
+    expected: FAIL
+
+  [slotchange event must fire at the end of current microtask after mutation observers are invoked inside an open shadow root  not in a document when slots's contents change]
+    expected: FAIL
+
+  [slotchange event must fire at the end of current microtask after mutation observers are invoked inside a closed shadow root  not in a document when slots's contents change]
+    expected: FAIL
+