Example usage for org.jfree.data.general DefaultPieDataset getIndex

Introduction

In this page you can find the example usage for org.jfree.data.general DefaultPieDataset getIndex.

Prototype

@Override
public int getIndex(Comparable key) 

Source Link

Document

Returns the index for a key, or -1 if the key is not recognised.

Usage

From source file:org.jfree.data.general.DefaultPieDatasetTest.java

/**
 * Some checks for the getIndex() method.
 *//*from  ww w  .  ja v a2s . co  m*/
public void testGetIndex() {
    DefaultPieDataset d = new DefaultPieDataset();
    d.setValue("A", 1.0);
    d.setValue("B", 2.0);
    assertEquals(0, d.getIndex("A"));
    assertEquals(1, d.getIndex("B"));
    assertEquals(-1, d.getIndex("XX"));

    boolean pass = false;
    try {
        d.getIndex(null);
    } catch (IllegalArgumentException e) {
        pass = true;
    }
    assertTrue(pass);
}

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