@Test
public void unescape(){

	try {
		SeparatorConverter.unescape("");
		fail();
	} catch(IllegalArgumentException iae){
		// Ignored
	}
	assertEquals(" ", SeparatorConverter.unescape(" "));
	assertEquals(",", SeparatorConverter.unescape(","));
	assertEquals(";", SeparatorConverter.unescape(";"));
	assertEquals("\t", SeparatorConverter.unescape("\t"));
	assertEquals("\t", SeparatorConverter.unescape("\\t"));
	try {
		SeparatorConverter.unescape("\\");
		fail();
	} catch(IllegalArgumentException iae){
		// Ignored
	}
	assertEquals("\\", SeparatorConverter.unescape("\\\\"));
	try {
		SeparatorConverter.unescape("\\x");
		fail();
	} catch(IllegalArgumentException iae){
		//Ignored
	}
	assertEquals("\\x", SeparatorConverter.unescape("\\\\x"));
}