@Test
public void testIndexOfBusLine() {

	assertEquals(-1, this.network.indexOf(this.line1));
	assertEquals(-1, this.network.indexOf(this.line2));
	assertEquals(-1, this.network.indexOf(new BusLine()));
	initTest();
	assertEquals(0, this.network.indexOf(this.line1));
	assertEquals(1, this.network.indexOf(this.line2));
	assertEquals(-1, this.network.indexOf(new BusLine()));
}