1 files changed, 201 insertions, 0 deletions
diff --git a/testing/web-platform/tests/screen-capture/getdisplaymedia-capture-controller.https.window.js b/testing/web-platform/tests/screen-capture/getdisplaymedia-capture-controller.https.window.js
new file mode 100644
index 0000000000..fa1fd84b36
--- /dev/null
+++ b/testing/web-platform/tests/screen-capture/getdisplaymedia-capture-controller.https.window.js
@@ -0,0 +1,201 @@
+// META: script=/resources/testdriver.js
+// META: script=/resources/testdriver-vendor.js
+// META: timeout=long
+
+'use strict';
+
+const validFocusBehaviors = ['focus-captured-surface', 'no-focus-change'];
+const validDisplaySurfaces = ['window', 'browser'];
+
+test(() => {
+  assert_own_property(window, 'CaptureController');
+}, 'CaptureController in window');
+
+const stopTracks = stream => stream.getTracks().forEach(track => track.stop());
+
+validFocusBehaviors.forEach(
+    (focusBehavior) => test(
+        (t) => {
+          const controller = new CaptureController();
+          controller.setFocusBehavior(focusBehavior);
+        },
+        `setFocusBehavior("${
+            focusBehavior}") must succeed before capture starts`));
+
+['invalid', null, undefined, {}, true].forEach(
+    (focusBehavior) => test(
+        () => {
+          const controller = new CaptureController();
+          assert_throws_js(
+              TypeError, () => controller.setFocusBehavior(focusBehavior));
+        },
+        `setFocusBehavior("${
+            focusBehavior}") must throw TypeError if focusBehavior is invalid`));
+
+promise_test(async (t) => {
+  const controller = new CaptureController();
+  await test_driver.bless('getDisplayMedia()');
+  const stream = await navigator.mediaDevices.getDisplayMedia({controller});
+  t.add_cleanup(() => stopTracks(stream));
+  assert_equals(stream.getTracks().length, 1);
+  assert_equals(stream.getVideoTracks().length, 1);
+  assert_equals(stream.getAudioTracks().length, 0);
+}, 'getDisplayMedia({controller}) must succeed');
+
+['invalid', null, {}, true].forEach(
+    (controller) => promise_test(
+        async (t) => {
+          await test_driver.bless('getDisplayMedia()');
+          await promise_rejects_js(
+              t, TypeError,
+              navigator.mediaDevices.getDisplayMedia({controller}));
+        },
+        `getDisplayMedia({controller: ${
+            controller}}) must fail with TypeError`));
+
+promise_test(async (t) => {
+  const controller = new CaptureController();
+
+  await test_driver.bless('getDisplayMedia()');
+  const stream = await navigator.mediaDevices.getDisplayMedia({controller});
+  t.add_cleanup(() => stopTracks(stream));
+
+  await test_driver.bless('getDisplayMedia()');
+  const p = navigator.mediaDevices.getDisplayMedia({controller});
+  t.add_cleanup(async () => {
+    try {
+      stopTracks(await p);
+    } catch {
+    }
+  });
+  await promise_rejects_dom(
+      t, 'InvalidStateError', Promise.race([p, Promise.resolve()]),
+      'getDisplayMedia should have returned an already-rejected promise.');
+}, 'getDisplayMedia({controller}) must fail with InvalidStateError if controller is bound');
+
+validDisplaySurfaces.forEach((displaySurface) => {
+  validFocusBehaviors.forEach(
+      (focusBehavior) => promise_test(
+          async (t) => {
+            const controller = new CaptureController();
+            await test_driver.bless('getDisplayMedia()');
+            const stream = await navigator.mediaDevices.getDisplayMedia(
+                {controller, video: {displaySurface}});
+            t.add_cleanup(() => stopTracks(stream));
+            controller.setFocusBehavior(focusBehavior);
+          },
+          `setFocusBehavior("${
+              focusBehavior}") must succeed when window of opportunity is opened if capturing a ${
+              displaySurface}`));
+});
+
+validDisplaySurfaces.forEach((displaySurface) => {
+  validFocusBehaviors.forEach(
+      (focusBehavior) => promise_test(
+          async (t) => {
+            const controller = new CaptureController();
+            await test_driver.bless('getDisplayMedia()');
+            const p = navigator.mediaDevices.getDisplayMedia(
+                {controller, video: {displaySurface}});
+            controller.setFocusBehavior(focusBehavior);
+            const stream = await p;
+            t.add_cleanup(() => stopTracks(stream));
+          },
+          `setFocusBehavior("${
+              focusBehavior}") must succeed when getDisplayMedia promise is pending if capturing a ${
+              displaySurface}`));
+});
+
+validDisplaySurfaces.forEach((displaySurface) => {
+  validFocusBehaviors.forEach(
+      (focusBehavior) => promise_test(
+          async (t) => {
+            const controller = new CaptureController();
+            await test_driver.bless('getDisplayMedia()');
+            const stream = await navigator.mediaDevices.getDisplayMedia(
+                {controller, video: {displaySurface}});
+            stopTracks(stream);
+            assert_throws_dom(
+                'InvalidStateError',
+                () => controller.setFocusBehavior(focusBehavior));
+          },
+          `setFocusBehavior("${
+              focusBehavior}") must throw InvalidStateError when track is stopped if capturing a ${
+              displaySurface}`));
+});
+
+validFocusBehaviors.forEach(
+    (focusBehavior) => promise_test(
+        async (t) => {
+          const controller = new CaptureController();
+          await test_driver.bless('getDisplayMedia()');
+          const stream = await navigator.mediaDevices.getDisplayMedia(
+              {controller, video: {displaySurface: 'monitor'}});
+          t.add_cleanup(() => stopTracks(stream));
+          assert_throws_dom(
+              'InvalidStateError',
+              () => controller.setFocusBehavior(focusBehavior));
+        },
+        `setFocusBehavior("${
+            focusBehavior}") must throw InvalidStateError if capturing a monitor`));
+
+validDisplaySurfaces.forEach((displaySurface) => {
+  validFocusBehaviors.forEach(
+      (focusBehavior) => promise_test(
+          async (t) => {
+            const controller = new CaptureController();
+            await test_driver.bless('getDisplayMedia()');
+            const stream = await navigator.mediaDevices.getDisplayMedia(
+                {controller, video: {displaySurface}});
+            t.add_cleanup(() => stopTracks(stream));
+            await new Promise((resolve) => step_timeout(resolve, 0));
+            assert_throws_dom(
+                'InvalidStateError',
+                () => controller.setFocusBehavior(focusBehavior));
+          },
+          `setFocusBehavior("${
+              focusBehavior}") must throw InvalidStateError when window of opportunity is closed if capturing a ${
+              displaySurface}`));
+});
+
+validDisplaySurfaces.forEach((displaySurface) => {
+  validFocusBehaviors.forEach(
+      (focusBehavior) => promise_test(
+          async (t) => {
+            const controller = new CaptureController();
+            await test_driver.bless('getDisplayMedia()');
+            const stream = await navigator.mediaDevices.getDisplayMedia(
+                {controller, video: {displaySurface}});
+            t.add_cleanup(() => stopTracks(stream));
+            controller.setFocusBehavior(focusBehavior)
+            assert_throws_dom(
+                'InvalidStateError',
+                () => controller.setFocusBehavior(focusBehavior));
+          },
+          `setFocusBehavior("${
+              focusBehavior}") must throw InvalidStateError the second time if capturing a ${
+              displaySurface}`));
+});
+
+validFocusBehaviors.forEach(
+    (focusBehavior) => promise_test(
+        async (t) => {
+          const controller = new CaptureController();
+          const options = {
+            controller: controller,
+            video: {width: {max: 0}},
+          }
+          try {
+            await test_driver.bless('getDisplayMedia()');
+            stopTracks(await navigator.mediaDevices.getDisplayMedia(options));
+          } catch (err) {
+            assert_equals(err.name, 'OverconstrainedError', err.message);
+            assert_throws_dom(
+                'InvalidStateError',
+                () => controller.setFocusBehavior(focusBehavior));
+            return;
+          }
+          assert_unreached('getDisplayMedia should have failed');
+        },
+        `setFocusBehavior("${
+            focusBehavior}") must throw InvalidStateError if getDisplayMedia fails`));