LibWeb: Add a test for construction of a PointerEvent

Author: https://github.com/shannonbooth
Commit: https://github.com/SerenityOS/serenity/commit/1e2ddf9848
Pull-request: https://github.com/SerenityOS/serenity/pull/23886
Reviewed-by: https://github.com/kennethmyhra ✅

Tests/LibWeb/Text/expected/UIEvents/PointerEvent-construction.txt

@@ -0,0 +1,40 @@
+Class: PointerEvent
+Parent: Function
+Type: 'pointerdown'
+Bubbles: false
+Cancelable: false
+Client X: 0
+Client Y: 0
+Pointer ID: 0
+Width: 1
+Height: 1
+Pressure: 0
+Tangential Pressure: 0
+Tilt X: 0
+Tilt Y: 0
+Twist: 0
+Altitude Angle: 1.5707963267948966
+Azimuth Angle: 0
+Pointer Type: ''
+Is Primary: false
+Is Trusted: false
+Class: PointerEvent
+Parent: Function
+Type: 'pointerdown'
+Bubbles: true
+Cancelable: true
+Client X: 100
+Client Y: 200
+Pointer ID: 0
+Width: 1
+Height: 1
+Pressure: 0
+Tangential Pressure: 0
+Tilt X: 0
+Tilt Y: 0
+Twist: 0
+Altitude Angle: 0
+Azimuth Angle: 0
+Pointer Type: ''
+Is Primary: false
+Is Trusted: false

Tests/LibWeb/Text/input/UIEvents/PointerEvent-construction.html

@@ -0,0 +1,48 @@
+<script src="../include.js"></script>
+<script>
+    function dumpPointerEvent(event) {
+        println(`Class: ${event.constructor.name}`);
+        println(`Parent: ${Object.getPrototypeOf(event.constructor).constructor.name}`);
+        println(`Type: '${event.type}'`);
+        println(`Bubbles: ${event.bubbles}`);
+        println(`Cancelable: ${event.cancelable}`);
+        println(`Client X: ${event.clientX}`);
+        println(`Client Y: ${event.clientY}`);
+        println(`Pointer ID: ${event.pointerId}`);
+        println(`Width: ${event.width}`);
+        println(`Height: ${event.height}`);
+        println(`Pressure: ${event.pressure}`);
+        println(`Tangential Pressure: ${event.tangentialPressure}`);
+        println(`Tilt X: ${event.tiltX}`);
+        println(`Tilt Y: ${event.tiltY}`);
+        println(`Twist: ${event.twist}`);
+        println(`Altitude Angle: ${event.altitudeAngle}`);
+        println(`Azimuth Angle: ${event.azimuthAngle}`);
+        println(`Pointer Type: '${event.pointerType}'`);
+        println(`Is Primary: ${event.isPrimary}`);
+        println(`Is Trusted: ${event.isTrusted}`);
+    }
+
+    test(() => {
+        dumpPointerEvent(new PointerEvent('pointerdown'));
+
+        dumpPointerEvent(new PointerEvent('pointerdown', {
+            bubbles: true,
+            cancelable: true,
+            clientX: 100,
+            clientY: 200,
+            pointerId: 0,
+            width: 1,
+            height: 1,
+            pressure: 0,
+            tangentialPressure: 0,
+            tiltX: 0,
+            tiltY: 0,
+            twist: 0,
+            altitudeAngle: 0,
+            azimuthAngle: 0,
+            pointerType: "",
+            isPrimary: false
+        }));
+    });
+</script>