1 files changed, 46 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/bfcache/resources/common.js b/testing/web-platform/tests/html/semantics/embedded-content/bfcache/resources/common.js
new file mode 100644
index 0000000000..5bb9642a83
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/bfcache/resources/common.js
@@ -0,0 +1,46 @@
+'use strict';
+
+async function loadBfCacheTestHelperResources() {
+  await loadScript('/common/utils.js');
+  await loadScript('/common/dispatcher/dispatcher.js');
+  await loadScript(
+      '/html/browsers/browsing-the-web/back-forward-cache/resources/helper.sub.js');
+}
+await loadBfCacheTestHelperResources();
+
+// Runs BFCache tests for embed elements, specifically <embed> and <object>.
+// 1. Attaches the target element to first page.
+// 2. Navigates away, then back via bfcache if this case is supported by the
+//    browser.
+// @param {Object}  testCase - The target element's attributes to test with.
+export function runBfcacheTestForEmbeds(testCase) {
+  assert_implements(runBfcacheTest, '`runBfcacheTest()` is unavailable.');
+  assert_implements(originSameOrigin, '`originSameOrigin` is unavailable.');
+
+  const tags = [
+    {'name': 'embed', 'srcAttr': 'src'},
+    {'name': 'object', 'srcAttr': 'data'},
+  ];
+  for (const tag of tags) {
+    runBfcacheTest(
+        {
+          targetOrigin: originSameOrigin,
+          shouldBeCached: true,
+          funcBeforeNavigation: (tag, attrs) => {
+            let e = document.createElement(tag.name);
+            // Only sets defined attributes to match the intended test behavior
+            // like embedded-type-only.html test.
+            if ('type' in attrs) {
+              e.type = attrs.type;
+            }
+            if ('src' in attrs) {
+              e[tag.srcAttr] = attrs.src;
+            }
+            document.body.append(e);
+          },
+          argsBeforeNavigation: [tag, testCase]
+        },
+        `Page with <${tag.name} ` +
+            `type=${testCase.type} ${tag.srcAttr}=${testCase.src}>`);
+  }
+}