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-rw-r--r--testing/web-platform/tests/html/semantics/forms/form-submission-0/resources/getactionurl-iframe.html14
1 files changed, 14 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/forms/form-submission-0/resources/getactionurl-iframe.html b/testing/web-platform/tests/html/semantics/forms/form-submission-0/resources/getactionurl-iframe.html
new file mode 100644
index 0000000000..116371a995
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/forms/form-submission-0/resources/getactionurl-iframe.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<body>
+<script>
+ const form = document.createElement('form');
+ document.body.appendChild(form);
+ form.action = `data:text/html,
+ <!DOCTYPE html>
+ <body>
+ <script>
+ window.top.postMessage('PASS', '*');
+ <\/script>
+ `;
+ form.submit();
+</script>