Groovy example source code file (ClassDuplicationTest.groovy)

This example Groovy source code file (ClassDuplicationTest.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

a, a, classduplicationtest, classduplicationtest, groovytestcase, groovytestcase, missingmethodexception, missingmethodexception

The Groovy ClassDuplicationTest.groovy source code

class ClassDuplicationTest extends GroovyTestCase {
    void testDuplicationOnMethodSignatureTest() {
        def shell1 = new GroovyShell(this.class.classLoader)
        def obj1 = shell1.evaluate("""
            class A {}
            def foo(A a) {}
            return this
        """)
        def shell2 = new GroovyShell(this.class.classLoader)
        def obj2 = shell2.evaluate("""
            class A {}
            return new A()
        """)
        try {
            obj1.foo(obj2)
            assert false
        } catch (MissingMethodException mme) {
            assert mme.toString().contains("A (defined by")
        }     
    }
}