Groovy example source code file (Groovy770_Bug.groovy)

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Java - Groovy tags/keywords

comparable, cpair, cpair, groovy770_bug, groovy770_bug, groovytestcase, pair, pair, string, string, util

The Groovy Groovy770_Bug.groovy source code

/**
 * @version $Revision: 2289 $
 */

package groovy.bugs

class Groovy770_Bug extends GroovyTestCase {
     
    void testBug() {
        def a = new Pair(sym:"x")
        def b = new Pair(sym:"y")
        def c = new Pair(sym:"y")

        def l1 = [a, b]
        def l2 = [c]
        println (l1)
        println (l2)
        println (l1 - l2)
        assert l1 - l2 == l1


        a = new CPair(sym:"x")
        b = new CPair(sym:"y")
        c = new CPair(sym:"y")
        l1 = [a, b]
        l2 = [c]
        println (l1)
        println (l2)
        println (l1 - l2)
        assert l1 - l2 == [a]
    }
}

import java.util.*

class Pair {
  String sym
}

class CPair implements Comparable {
  public String sym
  int compareTo(Object o) {
      return sym.compareTo(((CPair) o).sym);
  }
}