List of usage examples for org.jfree.data.xy VectorSeries clear
public void clear()
From source file:org.jfree.data.xy.VectorSeriesTest.java
/** * Some checks for the clear() method./* w w w . j av a2 s. c o m*/ */ @Test public void testClear() { VectorSeries s1 = new VectorSeries("S1"); s1.addChangeListener(this); s1.clear(); assertNull(this.lastEvent); assertTrue(s1.isEmpty()); s1.add(1.0, 2.0, 3.0, 4.0); assertFalse(s1.isEmpty()); s1.clear(); assertNotNull(this.lastEvent); assertTrue(s1.isEmpty()); }