| This is a testharness.js-based test. |
| FAIL the windowControlsOverlay object should exist on the navigator object assert_idl_attribute: property "windowControlsOverlay" not found in prototype chain |
| FAIL visible should be a member of the windowControlsOverlay object assert_idl_attribute: provided value is not an object |
| FAIL visible should be false Cannot read property 'visible' of undefined |
| FAIL getBoundingClientRect should be a method of the windowControlsOverlay object assert_idl_attribute: provided value is not an object |
| FAIL getBoundingClientRect return type should be DOMRect Cannot read property 'getBoundingClientRect' of undefined |
| FAIL getBoundingClientRect should return a empty DOMRect Cannot read property 'getBoundingClientRect' of undefined |
| Harness: the test ran to completion. |
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