// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import { assert } from 'chai';
import { createElement, createTextChild, Overlay } from './common.js';
describe('common helper', () => {
    it('can create DOM elements', () => {
        assert.instanceOf(createElement('div', 'test'), HTMLDivElement);
    });
    it('exposes DOM manipulation methods on DOM elements', () => {
        const wrapper = document.createElement('div');
        assert.isTrue(Boolean(wrapper.createChild), 'createChild is available on DOM elements');
        const child = wrapper.createChild('span', 'child');
        assert.instanceOf(child, HTMLSpanElement, 'The right span element got created');
        assert.strictEqual(child.className, 'child', 'The right className got set');
        const textChild = createTextChild(wrapper, 'hello world');
        assert.instanceOf(textChild, Text, 'The right text node got created');
        assert.strictEqual(textChild.textContent, 'hello world', 'The right text content got set');
        assert.isTrue(Boolean(wrapper.removeChildren), 'removeChildren is available on DOM elements');
        wrapper.removeChildren();
        assert.strictEqual(wrapper.childElementCount, 0, 'All children got removed');
    });
    it('sets the right platform', () => {
        const overlay = new Overlay(window);
        const platform = 'mac';
        overlay.setPlatform(platform);
        assert.isTrue(document.body.classList.contains(`platform-${platform}`));
    });
});
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