Sync from 0947a69192ad6820970902c7c951fb0cf31fcf4bexamples/with-vitest

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diff --git a/test/basic.test.ts b/test/basic.test.ts
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+import { assert, expect, test } from 'vitest';
+
+// Edit an assertion and save to see HMR in action
+
+test('Math.sqrt()', () => {
+	expect(Math.sqrt(4)).toBe(2);
+	expect(Math.sqrt(144)).toBe(12);
+	expect(Math.sqrt(2)).toBe(Math.SQRT2);
+});
+
+test('JSON', () => {
+	const input = {
+		foo: 'hello',
+		bar: 'world',
+	};
+
+	const output = JSON.stringify(input);
+
+	expect(output).eq('{"foo":"hello","bar":"world"}');
+	assert.deepEqual(JSON.parse(output), input, 'matches original');
+});