1 files changed, 153 insertions, 0 deletions
diff --git a/testing/web-platform/tests/mediacapture-streams/MediaStreamTrack-getCapabilities.https.html b/testing/web-platform/tests/mediacapture-streams/MediaStreamTrack-getCapabilities.https.html
new file mode 100644
index 0000000000..b67a8d5156
--- /dev/null
+++ b/testing/web-platform/tests/mediacapture-streams/MediaStreamTrack-getCapabilities.https.html
@@ -0,0 +1,153 @@
+<!doctype html>
+<title>MediaStreamTrack and InputDeviceInfo GetCapabilities</title>
+<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 src=permission-helper.js></script>
+<script>
+
+const audioProperties = [
+  {name: "sampleRate", type: "number"},
+  {name: "sampleSize", type: "number"},
+  {name: "echoCancellation", type: "boolean"},
+  {name: "autoGainControl", type: "boolean"},
+  {name: "noiseSuppression", type: "boolean"},
+  {name: "latency", type: "number"},
+  {name: "channelCount", type: "number"},
+  {name: "deviceId", type: "string"},
+  {name: "groupId", type: "string"}
+];
+
+const videoProperties = [
+  {name: "width", type: "number"},
+  {name: "height", type: "number"},
+  {name: "aspectRatio", type: "number"},
+  {name: "frameRate", type: "number"},
+  {name: "facingMode", type: "enum-any", validValues: ["user", "environment", "left", "right"]},
+  {name: "resizeMode", type: "enum-all", validValues: ["none", "crop-and-scale"]},
+  {name: "deviceId", type: "string"},
+  {name: "groupId", type: "string"},
+];
+
+function verifyBooleanCapability(capability) {
+  assert_less_than_equal(capability.length, 2);
+  capability.forEach(c => assert_equals(typeof c, "boolean"));
+}
+
+function verifyNumberCapability(capability) {
+    assert_equals(typeof capability, "object");
+    assert_equals(Object.keys(capability).length, 2);
+    assert_true(capability.hasOwnProperty('min'));
+    assert_true(capability.hasOwnProperty('max'));
+    assert_less_than_equal(capability.min, capability.max);
+}
+
+// Verify that any value provided by an enum capability is in the set of valid
+// values.
+function verifyEnumAnyCapability(capability, enumMembers) {
+  capability.forEach(c => {
+    assert_equals(typeof c, "string");
+    assert_in_array(c, enumMembers);
+  });
+}
+
+// Verify that all required values are supported by a capability.
+function verifyEnumAllCapability(capability, enumMembers, testNamePrefix) {
+  enumMembers.forEach(member => {
+    test(() => {
+      assert_in_array(member, capability);
+    }, testNamePrefix + " Value: " + member);
+  });
+}
+
+function testCapabilities(capabilities, property, testNamePrefix) {
+  let testName = testNamePrefix + " " + property.name;
+  test(() => {
+    assert_true(capabilities.hasOwnProperty(property.name));
+  }, testName + " property present.");
+
+  const capability = capabilities[property.name];
+  testName += " properly supported.";
+  if (property.type == "string") {
+    test(() => {
+      assert_equals(typeof capability, "string");
+    }, testName);
+  }
+
+  if (property.type == "boolean") {
+    test(() => {
+      verifyBooleanCapability(capability);
+    }, testName);
+  }
+
+  if (property.type == "number") {
+    test(() => {
+      verifyNumberCapability(capability);
+    }, testName);
+  }
+
+  if (property.type.startsWith("enum")) {
+    test(() => {
+      verifyEnumAnyCapability(capability, property.validValues);
+    }, testName);
+
+    if (property.type == "enum-all") {
+      verifyEnumAllCapability(capability, property.validValues, testName);
+    }
+  }
+}
+
+{
+  audioProperties.forEach((property, i) => {
+    promise_test(async t => {
+      if (i === 0) await setMediaPermission("granted", ["microphone"]);
+      const stream = await navigator.mediaDevices.getUserMedia({audio: true});
+      t.add_cleanup(() => stream.getAudioTracks()[0].stop());
+      const audioCapabilities = stream.getAudioTracks()[0].getCapabilities();
+      testCapabilities(audioCapabilities, property, "Audio track getCapabilities()");
+    }, "Setup audio MediaStreamTrack getCapabilities() test for " + property.name);
+  });
+
+  videoProperties.forEach(property => {
+    promise_test(async t => {
+      const stream = await navigator.mediaDevices.getUserMedia({video: true});
+      t.add_cleanup(() => stream.getVideoTracks()[0].stop());
+      const audioCapabilities = stream.getVideoTracks()[0].getCapabilities();
+      testCapabilities(audioCapabilities, property, "Video track getCapabilities()");
+    }, "Setup video MediaStreamTrack getCapabilities() test for " + property.name);
+  });
+}
+
+{
+  audioProperties.forEach(property => {
+    promise_test(async t => {
+      const devices = await navigator.mediaDevices.enumerateDevices();
+      for (const device of devices) {
+        // Test only one device.
+        if (device.kind == "audioinput") {
+          assert_inherits(device, "getCapabilities");
+          const capabilities = device.getCapabilities();
+          testCapabilities(capabilities, property, "Audio device getCapabilities()");
+          break;
+        }
+      }
+    }, "Setup audio InputDeviceInfo getCapabilities() test for " + property.name);
+  });
+
+  videoProperties.forEach(property => {
+    promise_test(async t => {
+      const devices = await navigator.mediaDevices.enumerateDevices();
+      for (const device of devices) {
+        // Test only one device.
+        if (device.kind == "videoinput") {
+          assert_inherits(device, "getCapabilities");
+          const capabilities = device.getCapabilities();
+          testCapabilities(capabilities, property, "Video device getCapabilities()");
+          break;
+        }
+      }
+    }, "Setup video InputDeviceInfo getCapabilities() test for " + property.name);
+  });
+}
+</script>