src/test/groovy/bugs/Groovy9153.groovy

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package groovy.bugs

import groovy.transform.CompileStatic
import org.codehaus.groovy.ast.expr.ConstantExpression
import org.junit.Test

import static groovy.test.GroovyAssert.assertScript

@CompileStatic
final class Groovy9153 {

    @Test
    void testConstantExpressionNULL() {
        assertScript '''
            @groovy.transform.CompileStatic
            File tempDir() {
                return File.createTempDir()
            }
        '''
        assert ConstantExpression.NULL.getNodeMetaData().isEmpty()
    }
}