Example usage for org.jfree.data KeyToGroupMap clone

Introduction

In this page you can find the example usage for org.jfree.data KeyToGroupMap clone.

Prototype

@Override
public Object clone() throws CloneNotSupportedException 

Source Link

Document

Returns a clone of the map.

Usage

From source file:org.jfree.data.KeyToGroupMapTest.java

/**
 * Confirm that cloning works.//ww w .  ja  v  a 2  s .co m
 */
@Test
public void testCloning() throws CloneNotSupportedException {
    KeyToGroupMap m1 = new KeyToGroupMap("Test");
    m1.mapKeyToGroup("K1", "G1");
    KeyToGroupMap m2 = (KeyToGroupMap) m1.clone();
    assertTrue(m1 != m2);
    assertTrue(m1.getClass() == m2.getClass());
    assertTrue(m1.equals(m2));

    // a small check for independence
    m1.mapKeyToGroup("K1", "G2");
    assertFalse(m1.equals(m2));
    m2.mapKeyToGroup("K1", "G2");
    assertTrue(m1.equals(m2));
}

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