@Test
public void testGetTypeAt() {

	RowTypeInfo typeInfo = new RowTypeInfo(typeList);
	assertArrayEquals(new String[]{"f0", "f1", "f2"}, typeInfo.getFieldNames());
	assertEquals(BasicTypeInfo.STRING_TYPE_INFO, typeInfo.getTypeAt("f2"));
	assertEquals(BasicTypeInfo.SHORT_TYPE_INFO, typeInfo.getTypeAt("f1.f0"));
	assertEquals(BasicTypeInfo.BIG_DEC_TYPE_INFO, typeInfo.getTypeAt("f1.1"));
}