1 files changed, 49 insertions, 0 deletions
diff --git a/preact/compat/test/browser/createElement.test.js b/preact/compat/test/browser/createElement.test.js
new file mode 100644
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+++ b/preact/compat/test/browser/createElement.test.js
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+import React, { createElement, render } from 'preact/compat';
+import { setupScratch, teardown } from '../../../test/_util/helpers';
+import { getSymbol } from './testUtils';
+
+describe('compat createElement()', () => {
+	/** @type {HTMLDivElement} */
+	let scratch;
+
+	beforeEach(() => {
+		scratch = setupScratch();
+	});
+
+	afterEach(() => {
+		teardown(scratch);
+	});
+
+	it('should normalize vnodes', () => {
+		let vnode = (
+			<div a="b">
+				<a>t</a>
+			</div>
+		);
+
+		const $$typeof = getSymbol('react.element', 0xeac7);
+		expect(vnode).to.have.property('$$typeof', $$typeof);
+		expect(vnode).to.have.property('type', 'div');
+		expect(vnode)
+			.to.have.property('props')
+			.that.is.an('object');
+		expect(vnode.props).to.have.property('children');
+		expect(vnode.props.children).to.have.property('$$typeof', $$typeof);
+		expect(vnode.props.children).to.have.property('type', 'a');
+		expect(vnode.props.children)
+			.to.have.property('props')
+			.that.is.an('object');
+		expect(vnode.props.children.props).to.eql({ children: 't' });
+	});
+
+	it('should not normalize text nodes', () => {
+		String.prototype.capFLetter = function() {
+			return this.charAt(0).toUpperCase() + this.slice(1);
+		};
+		let vnode = <div>hi buddy</div>;
+
+		render(vnode, scratch);
+
+		expect(scratch.innerHTML).to.equal('<div>hi buddy</div>');
+	});
+});