src/test/groovy/bugs/Groovy9141.groovy

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package groovy.bugs

import groovy.transform.CompileStatic
import org.codehaus.groovy.control.CompilationFailedException
import org.junit.Test

import static groovy.test.GroovyAssert.shouldFail

@CompileStatic
final class Groovy9141 {

    @Test
    void testAbstractMethodWithBodyInClass() {
        def err = shouldFail CompilationFailedException, '''
            abstract class Main {
                abstract void meth() {}
            }
        '''
        assert err =~ / You defined an abstract method\[meth\] with a body. Try removing the method body @ line /
    }

    @Test // not a language requirement but script-level check takes precedence in current implementation
    void testAbstractMethodWithBodyInScript() {
        def err = shouldFail CompilationFailedException, '''
            abstract void meth() {}
        '''
        assert err =~ / You cannot define an abstract method\[meth\] in the script. Try removing the 'abstract' /
    }
}