Add a test for network errors with <embed>

domenic · domenic · commit 6ee7adeb6b9d · 2020-07-08T16:53:11.000-04:00
Follows whatwg/html#4247.
diff --git a/html/semantics/embedded-content/the-embed-element/embed-network-error.sub.html b/html/semantics/embedded-content/the-embed-element/embed-network-error.sub.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Network errors with embed elements</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<body>
+<script>
+"use strict";
+
+async_test(t => {
+  const embed = document.createElement("embed");
+  embed.src = "http://bad:url";
+  embed.onload = () => t.done();
+  embed.onerror = t.unreached_func("error event must not fire");
+  document.body.append(embed);
+});
+
+async_test(t => {
+  const embed = document.createElement("embed");
+  embed.src = "//{{hosts[nonexistent][]/";
+  embed.onload = () => t.done();
+  embed.onerror = t.unreached_func("error event must not fire");
+  document.body.append(embed);
+});
+
+async_test(t => {
+  const embed = document.createElement("embed");
+  embed.src = "resources/not-embeddable.html";
+  embed.onload = () => t.done();
+  embed.onerror = t.unreached_func("error event must not fire");
+  document.body.append(embed);
+});
+</script>
diff --git a/html/semantics/embedded-content/the-embed-element/resources/not-embeddable.html b/html/semantics/embedded-content/the-embed-element/resources/not-embeddable.html
@@ -0,0 +1,3 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>I should not be embeddable because of X-Frame-Options</title>
diff --git a/html/semantics/embedded-content/the-embed-element/resources/not-embeddable.html.headers b/html/semantics/embedded-content/the-embed-element/resources/not-embeddable.html.headers
@@ -0,0 +1 @@
+X-Frame-Options: deny

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+<!DOCTYPE html>`
	`2`	`+<meta charset="utf-8">`
	`3`	`+<title>I should not be embeddable because of X-Frame-Options</title>`