svelte/test/compiler/binding-input-checkbox/_config.js

import * as assert from 'assert';

export default {
	data: {
		foo: true
	},
	html: `<input type="checkbox">\n<p>true</p>`,
	test ( component, target, window ) {
		const input = target.querySelector( 'input' );
		assert.equal( input.checked, true );

		const event = new window.Event( 'change' );

		input.checked = false;
		input.dispatchEvent( event );

		assert.equal( target.innerHTML, `<input type="checkbox">\n<p>false</p>` );

		component.set({ foo: true });
		assert.equal( input.checked, true );
		assert.equal( target.innerHTML, `<input type="checkbox">\n<p>true</p>` );
	}
};