1 files changed, 50 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webrtc-encoded-transform/sframe-transform-buffer-source.html b/testing/web-platform/tests/webrtc-encoded-transform/sframe-transform-buffer-source.html
new file mode 100644
index 0000000000..99b45f22c9
--- /dev/null
+++ b/testing/web-platform/tests/webrtc-encoded-transform/sframe-transform-buffer-source.html
@@ -0,0 +1,50 @@
+<!doctype html>
+<html>
+    <head>
+        <meta charset="utf-8">
+        <script src="/resources/testharness.js"></script>
+        <script src="/resources/testharnessreport.js"></script>
+    </head>
+    <body>
+        <script>
+
+async function getEncryptedData(transform)
+{
+    const chunk = await transform.readable.getReader().read();
+    const value = new Uint8Array(chunk.value);
+    return [...value];
+}
+
+promise_test(async (test) => {
+    const key = await crypto.subtle.importKey("raw", new Uint8Array([143, 77, 43, 10, 72, 19, 37, 67, 236, 219, 24, 93, 26, 165, 91, 178]), "HKDF", false, ["deriveBits", "deriveKey"]);
+    const transform1 = new SFrameTransform;
+    const transform2 = new SFrameTransform;
+    const transform3 = new SFrameTransform;
+
+    await transform1.setEncryptionKey(key);
+    await transform2.setEncryptionKey(key);
+    await transform3.setEncryptionKey(key);
+
+    const buffer1 = new ArrayBuffer(10);
+    const buffer2 = new ArrayBuffer(11);
+    const view1 = new Uint8Array(buffer1);
+    const view2 = new Uint8Array(buffer2, 1);
+    for (let i = 0 ; i < buffer1.byteLength; ++i) {
+        view1[i] = i;
+        view2[i] = i;
+    }
+
+    transform1.writable.getWriter().write(buffer1);
+    transform2.writable.getWriter().write(view1);
+    transform3.writable.getWriter().write(view2);
+
+    const result1 = await getEncryptedData(transform1);
+    const result2 = await getEncryptedData(transform2);
+    const result3 = await getEncryptedData(transform3);
+
+    assert_array_equals(result1, result2, "result2");
+    assert_array_equals(result1, result3, "result3");
+}, "Uint8Array as input to SFrameTransform");
+        </script>
+    </body>
+</html>