import { assert } from 'chai';
import { SyntheticWheelEvent, Modifier, Button } from '../../../../../lib/experimental/io/events/SyntheticWheelEvent';

describe('experimental.io.events.SyntheticWheelEvent', () => {
    const e1 = new SyntheticWheelEvent();
    const e2 = new SyntheticWheelEvent(10, 10, 100, 100, Button.Left, Button.Left, Modifier.Shift);
    const e3 = new SyntheticWheelEvent(10, 10, 100, 100, Button.Left, Button.Left, Modifier.Shift);
    const e4 = new SyntheticWheelEvent(-10, -10, 5, -5, Button.Right, Button.Right | Button.Middle, Modifier.Shift | Modifier.Control);

    it('constructor', () => {
        assert.strictEqual(e1.modifiers, Modifier.None);
        assert.strictEqual(e1.deltaX, 0);
        assert.strictEqual(e1.deltaY, 0);
        assert.strictEqual(e1.x, 0);
        assert.strictEqual(e1.y, 0);
        assert.strictEqual(e1.button, Button.None);
        assert.strictEqual(e1.buttons, Button.None);

        assert.strictEqual(e2.modifiers, Modifier.Shift);
        assert.strictEqual(e2.deltaX, 10);
        assert.strictEqual(e2.deltaY, 10);
        assert.strictEqual(e2.x, 100);
        assert.strictEqual(e2.y, 100);
        assert.strictEqual(e2.button, Button.Left);
        assert.strictEqual(e2.buttons, Button.Left);
    });

    it('create', () => {
        assert.deepEqual(SyntheticWheelEvent.create(10, 10, 100, 100, Button.Left, Button.Left, Modifier.Shift), e3);
    });

    it('className', () => {
        assert.strictEqual(e1.className(), SyntheticWheelEvent.className);
    });

    it('testModifier', () => {
        assert.ok(e1.testModifier(Modifier.None));
        assert.ok(e2.testModifier(Modifier.Shift));
        assert.ok(!e2.testModifier(Modifier.None));
        assert.ok(e4.testModifier(Modifier.Shift));
        assert.ok(e4.testModifier(Modifier.Control));
        assert.ok(e4.testModifier(Modifier.Shift | Modifier.Control));
        assert.ok(!e4.testModifier(Modifier.Alt | Modifier.Shift | Modifier.Control));
        assert.ok(!e4.testModifier(Modifier.Alt));
    });

    it('testButton', () => {
        assert.ok(e1.testButton(Button.None));
        assert.ok(e2.testButton(Button.Left));
        assert.ok(!e2.testButton(Button.None));
        assert.ok(e4.testButton(Button.Right));
        assert.ok(e4.testButton(Button.Middle));
        assert.ok(e4.testButton(Button.Right | Button.Middle));
        assert.ok(!e4.testButton(Button.Left | Button.Right | Button.Middle));
        assert.ok(!e4.testButton(Button.Left));
    });
});