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Groovy example source code file (Groovy3801Bug.groovy)

This example Groovy source code file (Groovy3801Bug.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

groovy3801a, groovy3801a, groovy3801b, groovy3801b, groovy3801bug, groovy3801bug, groovy3801c, groovy3801c, groovyclassloader, groovytestcase

The Groovy Groovy3801Bug.groovy source code

package groovy.bugs

class Groovy3801Bug extends GroovyTestCase {
    void testMainMethodSignature() {
        def gcl = new GroovyClassLoader()
        def clazz

        clazz = gcl.parseClass( """
            class Groovy3801A {
                static main(args) {}
            }
        """, 'Groovy3801A.groovy'
        )
        def stdMainMethod = clazz.getMethods().find {it.name == 'main'}
        assert stdMainMethod.returnType.toString().contains('void')

        clazz = gcl.parseClass( """
            class Groovy3801B {
                static def main(args) {}
            }
        """, 'Groovy3801B.groovy'
        )
        stdMainMethod = clazz.getMethods().find {it.name == 'main'}
        assert stdMainMethod.returnType.toString().contains('void')

        clazz = gcl.parseClass( """
            class Groovy3801C {
                static main() {}
            }
        """, 'Groovy3801C.groovy'
        )
        def nonStdMainMethod = clazz.getMethods().find {it.name == 'main'}
        assert nonStdMainMethod.returnType.toString().contains('java.lang.Object')
    }
}

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