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svelte/test/generator/samples/event-handler-this-methods/_config.js

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export default {
test ( assert, component, target, window ) {
// Click events don't focus elements in JSDOM obviously they would
// in real browsers. More realistically, you'd use this for e.g.
// this.select(), but that's harder to test than this.focus()
const wont = target.querySelector( '.wont-focus' );
const will = target.querySelector( '.will-focus' );
wont.dispatchEvent( new window.MouseEvent( 'click' ) );
assert.equal( window.document.activeElement, window.document.body );
will.dispatchEvent( new window.MouseEvent( 'click' ) );
assert.equal( window.document.activeElement, will );
}
};