BooleanNot: Unterschied zwischen den Versionen

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===Beispiele===
===Beispiele===
   !0    --> true
   !0    --> True
   !1    --> false
   !1    --> False


   !(3+4==6)    --> true
   !(3+4==6)    --> True


====JUnit Tests====
====JUnit Tests====

Version vom 4. Oktober 2017, 14:03 Uhr

Beschreibung

Die Funktion BooleanNot (!) testet ob eine Aussage wahr oder falsch ist.

Syntax

!a

Parameter

  • a - boolean

Return Value

  • Gibt einen Boolean zurück.

Beispiele

 !0    --> True
 !1    --> False
 !(3+4==6)    --> True

JUnit Tests

[Anzeigen]

@Test
public void testBooleanNot1() {
	assertEquals(1, Evaluator.getNumberResult("!0", exerciseVariableMap, fillInVariableMap), 0.0);
}

@Test
public void testBooleanNot2() {
	assertEquals(0, Evaluator.getNumberResult("!1", exerciseVariableMap, fillInVariableMap), 0.0);
}

@Test
public void testBooleanNot3() {
	assertEquals(true, Evaluator.getBooleanResult("!(3+4==6)", exerciseVariableMap, fillInVariableMap));
}

@Test
public void testBooleanNotWithInput1() {
	assertEquals(1, Evaluator.getNumberResult("![pos=1]", exerciseVariableMap, fillInVariableMap), 0.0);
}

@Test
public void testBooleanNotWithInput2() {
	assertEquals(0, Evaluator.getNumberResult("![pos=2]", exerciseVariableMap, fillInVariableMap), 0.0);
}

@Test
public void testBooleanNotWithVariables1() {
	assertEquals(1, Evaluator.getNumberResult("![var=a]", exerciseVariableMap, fillInVariableMap), 0.0);
}

@Test
public void testBooleanNotWithVariables2() {
	assertEquals(0, Evaluator.getNumberResult("![var=b]", exerciseVariableMap, fillInVariableMap), 0.0);
}

@Test
public void testBooleanNotWithExpressions1() {
	assertEquals(0, Evaluator.getNumberResult("!!0", exerciseVariableMap, fillInVariableMap), 0.0);
}

@Test
public void testBooleanNotWithExpressions2() {
	assertEquals(1, Evaluator.getNumberResult("!!!0", exerciseVariableMap, fillInVariableMap), 0.0);
}

@Test(expected=FunctionInvalidArgumentTypeException.class)
public void testBooleanNotWithWrongInputCharacter() {
	Evaluator.getNumberResult("!'a'", exerciseVariableMap, fillInVariableMap);
	fail();
}

Hinweise

  • Wenn der Boolean b true ist gibt !b false zurück.