1 files changed, 31 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webrtc/RTCDataChannel-send-blob-order.html b/testing/web-platform/tests/webrtc/RTCDataChannel-send-blob-order.html
new file mode 100644
index 0000000000..3fcf116bc8
--- /dev/null
+++ b/testing/web-platform/tests/webrtc/RTCDataChannel-send-blob-order.html
@@ -0,0 +1,31 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>RTCDataChannel.prototype.send for blobs</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="RTCPeerConnection-helper.js"></script>
+<script>
+
+for (const options of [{}, {negotiated: true, id: 0}]) {
+  const mode = `${options.negotiated? "Negotiated d" : "D"}atachannel`;
+
+  promise_test(async t => {
+    const data1 = new Blob(['blob']);
+    const data1Size = data1.size;
+    const data2 = new ArrayBuffer(8);
+    const data2Size = data2.byteLength;
+
+    const [channel1, channel2] = await createDataChannelPair(t, options);
+    channel2.binaryType = "arraybuffer";
+
+    channel1.send(data1);
+    channel1.send(data2);
+
+    let e = await new Promise(r => channel2.onmessage = r);
+    assert_equals(e.data.byteLength, data1Size);
+
+    e = await new Promise(r => channel2.onmessage = r);
+    assert_equals(e.data.byteLength, data2Size);
+  }, `${mode} should send data following the order of the send call`);
+}
+</script>