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Groovy example source code file (Groovy3871Bug.groovy)

This example Groovy source code file (Groovy3871Bug.groovy) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

g3871base, g3871base, g3871child, g3871child, groovy3871bug, groovy3871bug, groovytestcase, string, string

The Groovy Groovy3871Bug.groovy source code

package groovy.bugs

/**
 * Fix for http://jira.codehaus.org/browse/GROOVY-3871
 * @author Guillaume Laforge
 */
class Groovy3871Bug extends GroovyTestCase {

    protected void setUp() {
        super.setUp()
        G3871Base.metaClass = null
        G3871Child.metaClass = null
    }

    protected void tearDown() {
        G3871Base.metaClass = null
        G3871Child.metaClass = null
        super.tearDown();
    }

    void testPropertyMissingInheritanceIssue() {
        // defining a propertyMissing on the base class
        G3871Base.metaClass.propertyMissing = { String name -> name }
        def baseInstance = new G3871Base()
        assert baseInstance.someProp == "someProp"

        // the child class inherits the propertyMissing
        def childInstance = new G3871Child()
        assert childInstance.otherProp == "otherProp"

        // when a propertyMissing is registered for the child
        // it should be used over the inherited one
        G3871Child.metaClass.propertyMissing = { String name -> name.reverse() }
        def otherChildInstance = new G3871Child()
        assert otherChildInstance.otherProp == "porPrehto"
    }
}

/** a dummy base class */
class G3871Base { }

/** a dummy child class */
class G3871Child extends G3871Base { }

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