@Test
public void testKeySet() throws IOException {

	TypedProperties typedProperties = _createTypedProperties(
		"testKey1 = \"testValue1\"\ntestKey2 = \"testValue2\"");
	Set<String> keys = typedProperties.keySet();
	Assert.assertEquals(keys.toString(), 2, keys.size());
	for (String key : keys) {
		Assert.assertNotEquals(null, typedProperties.get(key));
	}
}