| <!DOCTYPE html> |
| <body> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script src="resources/gamepad-helpers.js"></script> |
| <script> |
| |
| function testGamepadStateOneConnected() { |
| // To pass this test, Gamepad 0 should have the values set in |
| // connectGamepads. |
| let gamepad = navigator.getGamepads()[0]; |
| assert_equals(gamepad.id, 'MockStick 3000'); |
| assert_equals(gamepad.buttons.length, 2); |
| assert_equals(gamepad.buttons[0].value, 1.0); |
| assert_true(gamepad.buttons[0].pressed); |
| assert_equals(gamepad.buttons[1].value, 0.0); |
| assert_false(gamepad.buttons[1].pressed); |
| assert_equals(gamepad.axes.length, 2); |
| assert_equals(gamepad.axes[0], 0.5); |
| assert_equals(gamepad.axes[1], -1.0); |
| } |
| |
| function testNoChangeReturnsSameObjects() { |
| // Check that accessing gamepad state fetches the same objects until their |
| // values change. |
| assert_equals(navigator.getGamepads(), |
| navigator.getGamepads(), 'gamepad arrays differ'); |
| assert_equals(navigator.getGamepads()[0], |
| navigator.getGamepads()[0], 'gamepad objects differ'); |
| assert_equals(navigator.getGamepads()[0].axes, |
| navigator.getGamepads()[0].axes, 'axes arrays differ'); |
| assert_equals(navigator.getGamepads()[0].buttons, |
| navigator.getGamepads()[0].buttons, 'gamepad buttons differ'); |
| } |
| |
| function testSameValueUpdateReturnsSameObjects() { |
| // Test that updates with the same value do not cause a new gamepad object |
| // to be returned. |
| let gamepadBefore = navigator.getGamepads()[0]; |
| gamepadController.setAxisCount(0, gamepadBefore.axes.length); |
| gamepadController.setButtonCount(0, gamepadBefore.buttons.length); |
| let gamepadAfter = navigator.getGamepads()[0]; |
| assert_equals( |
| gamepadBefore, gamepadAfter, |
| "expected same gamepad after same-value setAxisCount/setButtonCount"); |
| assert_equals( |
| gamepadBefore.timestamp, gamepadAfter.timestamp, |
| "expected same timestamp after same-value setAxisCount/setButtonCount"); |
| assert_equals( |
| gamepadBefore.axes, gamepadAfter.axes, |
| "expected same axes after same-value setAxisCount/setButtonCount"); |
| assert_equals( |
| gamepadBefore.buttons, gamepadAfter.buttons, |
| "expected same buttons after same-value setAxisCount/setButtonCount"); |
| |
| gamepadBefore = navigator.getGamepads()[0]; |
| gamepadController.setAxisData(0, 0, gamepadBefore.axes[0]); |
| gamepadController.setButtonData(0, 1, gamepadBefore.buttons[1].value); |
| gamepadAfter = navigator.getGamepads()[0]; |
| assert_equals( |
| gamepadBefore, gamepadAfter, |
| "expected same gamepad after same-value setAxisData/setButtonData"); |
| assert_equals( |
| gamepadBefore.timestamp, gamepadAfter.timestamp, |
| "expected same timestamp after same-value setAxisData/setButtonData"); |
| assert_equals( |
| gamepadBefore.axes, gamepadAfter.axes, |
| "expected same axes after same-value setAxisData/setButtonData"); |
| assert_equals( |
| gamepadBefore.buttons, gamepadAfter.buttons, |
| "expected same buttons after same-value setAxisData/setButtonData"); |
| } |
| |
| function testDifferentValueUpdateReturnsNewObjects() { |
| // Test that changing an axis value causes a new gamepad object to be |
| // returned. |
| // TODO(crbug.com/855760): Check that the buttons array is preserved. |
| gamepadBefore = navigator.getGamepads()[0]; |
| gamepadController.setAxisData(0, 0, gamepadBefore.axes[0] + 0.1); |
| gamepadAfter = navigator.getGamepads()[0]; |
| assert_not_equals(gamepadBefore, gamepadAfter, |
| "expected new gamepad after new-value setAxisData"); |
| assert_not_equals(gamepadBefore.timestamp, |
| gamepadAfter.timestamp, |
| "expected new timestamp after new-value setAxisData"); |
| assert_not_equals(gamepadBefore.axes, gamepadAfter.axes, |
| "expected new axes after new-value setAxisData"); |
| |
| // Test that changing a button value causes a new gamepad object to be |
| // returned. |
| // TODO(crbug.com/855760): Check that the axes array is preserved. |
| gamepadBefore = navigator.getGamepads()[0]; |
| gamepadController.setButtonData(0, 0, gamepadBefore.buttons[0].value + 0.1); |
| gamepadAfter = navigator.getGamepads()[0]; |
| assert_not_equals(gamepadBefore, gamepadAfter, |
| "expected new gamepad after new-value setButtonData"); |
| assert_not_equals(gamepadBefore.timestamp, |
| gamepadAfter.timestamp, |
| "expected new timestamp after new-value setButtonData"); |
| assert_not_equals(gamepadBefore.buttons, gamepadAfter.buttons, |
| "expected new buttons after new-value setButtonData"); |
| |
| // Test that changing a button value and an axis value causes a new gamepad |
| // object to be returned. |
| gamepadBefore = navigator.getGamepads()[0]; |
| gamepadController.setAxisData(0, 0, gamepadBefore.axes[0] - 0.1); |
| gamepadController.setButtonData(0, 0, gamepadBefore.buttons[0].value - 0.1); |
| gamepadAfter = navigator.getGamepads()[0]; |
| assert_not_equals( |
| gamepadBefore, gamepadAfter, |
| "expected new gamepad after new-value setAxisData/setButtonData"); |
| assert_not_equals( |
| gamepadBefore.timestamp, gamepadAfter.timestamp, |
| "expected new timestamp after new-value setAxisData/setButtonData"); |
| assert_not_equals( |
| gamepadBefore.axes, gamepadAfter.axes, |
| "expected new axes after new-value setAxisData/setButtonData"); |
| assert_not_equals( |
| gamepadBefore.buttons, gamepadAfter.buttons, |
| "expected new buttons after new-value setAxisData/setButtonData"); |
| } |
| |
| promise_test(async () => { |
| // First disconnect all gamepads. |
| disconnectGamepads(); |
| testGamepadStateAllDisconnected(); |
| |
| // Simulate a gamepad connection and verify the state changes as expected. |
| let connectPromise = ongamepadconnected(); |
| connectGamepads(1); |
| await connectPromise; |
| testGamepadStateOneConnected(); |
| |
| // Chrome has different internal behavior depending on whether a gamepad |
| // event listener is registered. Exercise both paths to verify that the |
| // state changes are handled correctly in either case. |
| let disconnectListener = (e) => {}; |
| |
| window.addEventListener('gamepaddisconnected', disconnectListener); |
| testNoChangeReturnsSameObjects(); |
| testSameValueUpdateReturnsSameObjects(); |
| testDifferentValueUpdateReturnsNewObjects(); |
| |
| window.removeEventListener('gamepaddisconnected', disconnectListener); |
| testNoChangeReturnsSameObjects(); |
| testSameValueUpdateReturnsSameObjects(); |
| testDifferentValueUpdateReturnsNewObjects(); |
| |
| // Disconnect all gamepads to end the test. |
| let disconnectPromise = ongamepaddisconnected(); |
| disconnectGamepads(); |
| await disconnectPromise; |
| testGamepadStateAllDisconnected(); |
| }, "Typical polling access to gamepads contents."); |
| |
| </script> |
| </body> |
