svelte/test/runtime/samples/transition-js-delay/_config.js

export default {
	skip: true, // There's a nullpointer triggered by the test which wasn't caught by mocha for some reason. TODO reenable for Svelte 5
	test({ assert, component, target, raf }) {
		component.visible = true;
		const div = target.querySelector('div');
		assert.equal(div.foo, 0);

		raf.tick(50);
		assert.equal(div.foo, 0);

		raf.tick(100);
		assert.equal(div.foo, 0.5);

		component.visible = false;

		raf.tick(125);
		assert.equal(div.foo, 0.75);

		raf.tick(150);
		assert.equal(div.foo, 1);

		raf.tick(175);
		assert.equal(div.foo, 0.75);

		raf.tick(250);
		assert.equal(div.foo, 0);
	}
};