groovy/modules/classic/src/test/groovy/DefaultParamTest.groovy

class DefaultParamTest extends GroovyTestCase {

    void testDefaultParameters() {
    
    	value = doSomething("X", "Y", "Z")
    	assert value == "X-Y-Z"
    	
    	value = doSomething("X", "Y")
    	assert value == "X-Y-defC"
    	
    	value = doSomething("X")
    	assert value == "X-defB-defC"
    	
    	shouldFail { doSomething() }
    }

    void testDefaultTypedParameters() {
    	value = doTypedSomething("X", "Y", "Z")
    	assert value == "X-Y-Z"
    	
    	value = doTypedSomething("X", "Y")
    	assert value == "X-Y-defC"
    	
    	value = doTypedSomething("X")
    	assert value == "X-defB-defC"
    	
    	value = doTypedSomething()
    	assert value == "defA-defB-defC"
    }


	doSomething(a, b = 'defB', c = 'defC') {
		println "Called with a: ${a}, b ${b}, c ${c}"
		
		return a + "-" + b + "-" + c
	}

	String doTypedSomething(String a = 'defA', String b = 'defB', String c = 'defC') {
		println "Called typed method with a: ${a}, b ${b}, c ${c}"
		
		return a + "-" + b + "-" + c
	}
}