1 files changed, 57 insertions, 0 deletions
diff --git a/testing/web-platform/tests/mediacapture-streams/parallel-capture-requests.https.html b/testing/web-platform/tests/mediacapture-streams/parallel-capture-requests.https.html
new file mode 100644
index 0000000000..301515d1bd
--- /dev/null
+++ b/testing/web-platform/tests/mediacapture-streams/parallel-capture-requests.https.html
@@ -0,0 +1,57 @@
+<!doctype html>
+<html>
+<head>
+<title>Parallel capture requests</title>
+</head>
+<body>
+<button id="button">User gesture</button>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script>
+async function getDisplayMedia(constraints) {
+  const p = new Promise(r => button.onclick = r);
+  await test_driver.click(button);
+  await p;
+  return navigator.mediaDevices.getDisplayMedia(constraints);
+}
+
+promise_test(function() {
+  const getUserMediaPromise =
+        navigator.mediaDevices.getUserMedia({audio: true, video:true});
+  const getDisplayMediaPromise =
+        getDisplayMedia({video: true, audio: true});
+  return Promise.all([getUserMediaPromise, getDisplayMediaPromise])
+      .then(function(s) {
+        assert_greater_than_equal(s[0].getTracks().length, 1);
+        assert_less_than_equal(s[0].getTracks().length, 2);
+        assert_equals(s[0].getVideoTracks().length, 1);
+        assert_less_than_equal(s[0].getAudioTracks().length, 1);
+        assert_greater_than_equal(s[1].getTracks().length, 1);
+        assert_less_than_equal(s[1].getTracks().length, 2);
+        assert_equals(s[1].getVideoTracks().length, 1);
+        assert_less_than_equal(s[1].getAudioTracks().length, 1);
+      });
+}, 'getDisplayMedia() and parallel getUserMedia()');
+
+promise_test(function() {
+  const getDisplayMediaPromise =
+        getDisplayMedia({video: true, audio: true});
+  const getUserMediaPromise =
+        navigator.mediaDevices.getUserMedia({audio: true, video:true});
+  return Promise.all([getDisplayMediaPromise, getUserMediaPromise])
+      .then(function(s) {
+        assert_greater_than_equal(s[0].getTracks().length, 1);
+        assert_less_than_equal(s[0].getTracks().length, 2);
+        assert_equals(s[0].getVideoTracks().length, 1);
+        assert_less_than_equal(s[0].getAudioTracks().length, 1);
+        assert_greater_than_equal(s[1].getTracks().length, 1);
+        assert_less_than_equal(s[1].getTracks().length, 2);
+        assert_equals(s[1].getVideoTracks().length, 1);
+        assert_less_than_equal(s[1].getAudioTracks().length, 1);
+      });
+}, 'getUserMedia() and parallel getDisplayMedia()');
+</script>
+</body>
+</html>