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Groovy example source code file (Groovy3426Bug.groovy)

This example Groovy source code file (Groovy3426Bug.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

class, groovy3426bug, groovy3426classproxymetaclass, groovy3426classproxymetaclass, groovy3426foo, groovy3426foo, groovytestcase, metaclass, metaclass, metaclassregistry, object, object, proxymetaclass, string

The Groovy Groovy3426Bug.groovy source code

package groovy.bugs

class Groovy3426Bug extends GroovyTestCase {

    MetaClassRegistry registry
    MetaClass originalMetaClass

    void setUp() {
        registry = GroovySystem.metaClassRegistry
        originalMetaClass = registry.getMetaClass(Groovy3426Foo)
    }

    void tearDown() {
        registry.setMetaClass(Groovy3426Foo, originalMetaClass)
    }

    void testCallSiteShouldBeUpdatedAfterOriginalMetaClassIsRestored() {
        def getFoo = { -> Groovy3426Foo.get() }

        MetaClass mc = new Groovy3426ClassProxyMetaClass(registry, Groovy3426Foo, originalMetaClass)
        registry.setMetaClass(Groovy3426Foo, mc)

        assert 'static' == Groovy3426Foo.get()
        assert 'static' == getFoo()

        registry.setMetaClass(Groovy3426Foo, originalMetaClass)

        assert 'foo' == Groovy3426Foo.get()
        assert 'foo' == getFoo()
    }

}

class Groovy3426Foo {
    static get() { 'foo' }
}

class Groovy3426ClassProxyMetaClass extends ProxyMetaClass {
    Groovy3426ClassProxyMetaClass(MetaClassRegistry metaClassRegistry, Class aClass, MetaClass adaptee) {
        super(metaClassRegistry, aClass, adaptee)
    }
    public Object invokeStaticMethod(final Object aClass, final String method, final Object[] arguments) {
        'static'
    }
}

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