1 files changed, 52 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_navigation_download_allow_downloads.sub.tentative.html b/testing/web-platform/tests/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_navigation_download_allow_downloads.sub.tentative.html
new file mode 100644
index 0000000000..6b3b3104ef
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_navigation_download_allow_downloads.sub.tentative.html
@@ -0,0 +1,52 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Navigation resulted download in sandbox is allowed by allow-downloads.</title>
+<meta name="timeout" content="long" />
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#attr-iframe-sandbox">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#the-iframe-element">
+<script src="/resources/testharness.js"></script>
+<script src='/resources/testharnessreport.js'></script>
+<script src="support/iframe_sandbox_download_helper.js"></script>
+<body>
+<script>
+"use strict";
+
+async_test(t => {
+    const token = "{{$id:uuid()}}";
+    var iframe = document.createElement("iframe");
+    iframe.srcdoc = "<a>Download</a>";
+    iframe.sandbox = "allow-same-origin allow-downloads";
+    iframe.onload = t.step_func(function () {
+        iframe.contentWindow.addEventListener(
+            "unload", t.unreached_func("Unexpected navigation."));
+        var anchor = iframe.contentDocument.getElementsByTagName('a')[0];
+        // Set |finish-delay| to let the server stream a response over a  period
+        // of time, so it's able to catch potential download cancellation by
+        // detecting a socket close.
+        anchor.href = "support/download_stash.py?token=" + token + "&finish-delay=" + StreamDownloadFinishDelay();
+        anchor.click();
+        AssertDownloadSuccess(t, token, StreamDownloadFinishDelay() + DownloadVerifyDelay());
+    });
+
+    document.body.appendChild(iframe);
+}, "Navigation resulted download in sandbox is allowed by allow-downloads.");
+
+async_test(t => {
+    const token = "{{$id:uuid()}}";
+    var iframe = document.createElement("iframe");
+
+    const folder = location.origin+"/html/semantics/embedded-content/the-iframe-element/";
+    const href = `${folder}support/download_stash.py?token=${token}&finish-delay=${StreamDownloadFinishDelay() }`;
+    const objectDoc =`<a href="${href}">download</a>
+    <${"script"}> document.querySelector("a").click(); </${"script"}>`;
+
+    iframe.srcdoc = `<object data='data:text/html,${objectDoc}'></object>`;
+    iframe.sandbox = "allow-same-origin  allow-scripts allow-downloads";
+    iframe.addEventListener("load",()=>{
+        AssertDownloadSuccess(t, token, StreamDownloadFinishDelay() + DownloadVerifyDelay());
+    })
+    document.body.appendChild(iframe);
+}, "Navigation resulted download in sandbox from <object> is allowed by allow-downloads.");
+
+</script>
+</body>