1 files changed, 72 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/browsers/windows/document-domain-removed-iframe.html b/testing/web-platform/tests/html/browsers/windows/document-domain-removed-iframe.html
new file mode 100644
index 0000000000..7403ebfaad
--- /dev/null
+++ b/testing/web-platform/tests/html/browsers/windows/document-domain-removed-iframe.html
@@ -0,0 +1,72 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>document.domain and removed iframe interaction</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<!-- This is a test for https://crbug.com/1095145 where window
+     properties become undefined for document.domain-using removed
+     iframes -->
+
+<div id="log"></div>
+
+<script>
+"use strict";
+
+promise_test(t => {
+  return new Promise(resolve => {
+    const iframe = document.createElement("iframe");
+    iframe.onload = t.step_func(() => {
+      const { contentWindow } = iframe;
+      assert_equals(contentWindow.status, "");
+      resolve();
+    });
+    iframe.src = "/common/blank.html";
+    document.body.append(iframe);
+  });
+}, "No removal, no document.domain");
+
+promise_test(t => {
+  return new Promise(resolve => {
+    const iframe = document.createElement("iframe");
+    iframe.onload = t.step_func(() => {
+      const { contentWindow } = iframe;
+      iframe.remove();
+      assert_equals(contentWindow.status, "");
+      resolve();
+    });
+    iframe.src = "/common/blank.html";
+    document.body.append(iframe);
+  });
+}, "Removal, no document.domain");
+
+promise_test(t => {
+  return new Promise(resolve => {
+    const iframe = document.createElement("iframe");
+    iframe.onload = t.step_func(() => {
+      document.domain = document.domain;
+      const { contentWindow } = iframe;
+      assert_equals(contentWindow.status, "");
+      resolve();
+    });
+    iframe.src = "resources/document-domain-setter.html";
+    document.body.append(iframe);
+  });
+}, "No removal, document.domain");
+
+promise_test(t => {
+  return new Promise(resolve => {
+    const iframe = document.createElement("iframe");
+    iframe.onload = t.step_func(() => {
+      document.domain = document.domain; // technically we already did this above
+      const { contentWindow } = iframe;
+      iframe.remove();
+      assert_equals(contentWindow.status, "");
+      resolve();
+    });
+    iframe.src = "resources/document-domain-setter.html";
+    document.body.append(iframe);
+  });
+}, "Removal, document.domain");
+
+</script>