| <!doctype html> |
| <meta charset="utf-8" /> |
| <title>Geolocation Test: heading is null when stationary</title> |
| <link rel="help" href="https://www.w3.org/TR/geolocation/#c9" /> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/testdriver.js?feature=bidi"></script> |
| <script src="/resources/testdriver-vendor.js"></script> |
| |
| <script> |
| const latitude = 51.478; |
| const longitude = -0.166; |
| const accuracy = 100; |
| |
| promise_setup(async () => { |
| await test_driver.set_permission({ name: "geolocation" }, "granted"); |
| }); |
| |
| promise_test(async (t) => { |
| t.add_cleanup(async () => { |
| await test_driver.bidi.emulation.set_geolocation_override({ |
| coordinates: null, |
| }); |
| }); |
| |
| // Set geolocation with speed = 0 (stationary) |
| await test_driver.bidi.emulation.set_geolocation_override({ |
| coordinates: { |
| latitude, |
| longitude, |
| accuracy, |
| speed: 0, |
| }, |
| }); |
| |
| const position = await new Promise((resolve, reject) => { |
| navigator.geolocation.getCurrentPosition(resolve, reject); |
| }); |
| |
| // When stationary (speed is 0), heading must be null, not NaN |
| assert_equals( |
| position.coords.heading, |
| null, |
| "heading must be null when device is stationary (speed is 0)", |
| ); |
| assert_equals(position.coords.speed, 0, "speed should be 0"); |
| }, "heading is null when stationary (speed is 0)"); |
| |
| promise_test(async (t) => { |
| t.add_cleanup(async () => { |
| await test_driver.bidi.emulation.set_geolocation_override({ |
| coordinates: null, |
| }); |
| }); |
| |
| // Set geolocation with speed > 0 (moving) and a heading |
| await test_driver.bidi.emulation.set_geolocation_override({ |
| coordinates: { |
| latitude, |
| longitude, |
| accuracy, |
| speed: 10, |
| heading: 90, |
| }, |
| }); |
| |
| const position = await new Promise((resolve, reject) => { |
| navigator.geolocation.getCurrentPosition(resolve, reject); |
| }); |
| |
| // When moving (speed > 0), heading should be the specified value |
| assert_equals( |
| position.coords.heading, |
| 90, |
| "heading should be 90 when moving", |
| ); |
| assert_equals(position.coords.speed, 10, "speed should be 10"); |
| }, "heading has a value when moving (speed > 0)"); |
| </script> |
