Groovy example source code file (NullAsBooleanCoercionTest.groovy)

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Java - Groovy tags/keywords

boolean, boolean, groovytestcase, groovytestcase, nullasbooleancoerciontest, nullasbooleancoerciontest

The Groovy NullAsBooleanCoercionTest.groovy source code

package groovy.bugs

/**
 * NullObject has no asBoolean() method,
 * making null.asBoolean() return true instead of false.
 *
 * @author Guillaume Laforge
 */
class NullAsBooleanCoercionTest extends GroovyTestCase {

    void testNullBooleanCoercion() {

        assert !null
        assert !(null as boolean)
        assert !(null as Boolean)
        assert !(null.asBoolean())

    }
}