<!DOCTYPE html>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<script src="resources/fake-vr-displays.js"></script>
<script src="file:///gen/layout_test_data/mojo/public/js/mojo_bindings.js"></script>
<script src="file:///gen/device/vr/vr_service.mojom.js"></script>
<script src="resources/mock-vr-service.js"></script>
<script src="resources/test-constants.js"></script>
<script>
let fakeDisplays = fakeVRDisplays();

vr_test( (t) => {
  return navigator.getVRDisplays().then( (displays) => {
    t.step( () => {
      assert_true(displays != null);
      assert_equals(displays.length, 2);
    }, "getVRDisplays returned correct results");
    let pixel = displays[0];
    let fake = displays[1];

    t.step( () => {
      assert_equals(pixel.displayName, "Google, Inc. Daydream View");
      assert_true(pixel.capabilities.canPresent);
      assert_false(pixel.capabilities.hasPosition);
      assert_false(pixel.capabilities.hasExternalDisplay);
      assert_equals(pixel.capabilities.maxLayers, 1);
      assert_approx_equals(pixel.depthNear, 0.01, FLOAT_EPSILON);
      assert_approx_equals(pixel.depthFar, 10000.0, FLOAT_EPSILON);
    }, "Pixel attributes are correct");

    t.step( () => {
      assert_equals(fake.displayName, "FakeVRDisplay");
      assert_false(fake.capabilities.canPresent);
      assert_false(fake.capabilities.hasPosition);
      assert_false(fake.capabilities.hasExternalDisplay);
      assert_equals(fake.capabilities.maxLayers, 0);
      assert_approx_equals(fake.depthNear, 0.01, FLOAT_EPSILON);
      assert_approx_equals(fake.depthFar, 10000.0, FLOAT_EPSILON);
    }, "Fake device attributes are correct");
  }, (err) => {
    t.step( () => {
      assert_unreached("getVRDisplays rejected");
    });
  }).then( () => {
    t.done();
  });
}, [fakeDisplays["Pixel"], fakeDisplays["FakeMagicWindowOnly"]],
"Test that getVRDisplays properly returns two displays");

</script>