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===Beispiele===
===Beispiele===
  <math>2+3==5</math>   --> returns ''true''
  2+3==5    --> returns true
 
  'world of math' == 'world of math'    --> returns ''true''
  'world of math' == 'world of math'    --> returns true
 
====JUnit Tests====
<span class="mw-customtoggle-myDivision">[Anzeigen]</span>
<syntaxhighlight lang="java" class="mw-collapsible mw-collapsed" id="mw-customcollapsible-myDivision">
@BeforeClass
public static void beforeTest() throws FunctionNotImplementedException, UndefinedFillInVariableException,
UndefinedExerciseVariableException, ParserException, ErroneousFillInVariableException, ErroneousExerciseVariableException {
equalFillInVariableMap.put(1, ExpressionParser.parse("7", null, null));
equalFillInVariableMap.put(2, ExpressionParser.parse("2", null, null));
 
equalExerciseVariableMap.put("a", ExpressionParser.parse("7", null, null));
equalExerciseVariableMap.put("b", ExpressionParser.parse("2", null, null));
}
 
@Test
public void testEqual0() {
assertTrue(Evaluator.getBooleanResult("1 == 1.0", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test
public void testEqual1() {
assertTrue(Evaluator.getBooleanResult("1/2 == 0.5", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test
public void testEqual2() {
assertTrue(Evaluator.getBooleanResult("0.7 == 7/10", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test
public void testEqual3() {
assertTrue(Evaluator.getBooleanResult("4/2 == 2", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test
public void testEqual4() {
assertTrue(Evaluator.getBooleanResult("'world of math' == 'world of math'", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test
public void testEqual5() {
assertTrue(Evaluator.getBooleanResult("'' == ''", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test
public void testEqual6() {
assertTrue(!Evaluator.getBooleanResult("'' == 1", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test
public void testEqual7() {
assertTrue(!Evaluator.getBooleanResult("1 = ''", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test
public void testEqual8() {
assertTrue(Evaluator.getBooleanResult("1 = '1'", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test
public void testEqualWithVariables1() {
assertTrue(Evaluator.getBooleanResult("[var=a] == 7", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test
public void testEqualWithVariables2() {
assertTrue(Evaluator.getBooleanResult("2 == [var=b]", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test
public void testEqualWithInput1() {
assertTrue(Evaluator.getBooleanResult("[pos=1] == 7", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test
public void testEqualWithInput2() {
assertTrue(Evaluator.getBooleanResult("2 == [pos=2]", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test
public void testEqualWithEncapsulation1() {
assertTrue(!Evaluator.getBooleanResult("1 == (1 == 0)", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test
public void testEqualWithEncapsulation2() {
assertTrue(!Evaluator.getBooleanResult("1 == (1 == (1 == 0))", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test
public void testEqualWithEncapsulation3() {
assertTrue(!Evaluator.getBooleanResult("1 == (1 == (1 == (1 == (1 == 0))))", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test
public void testEqualWithEncapsulation4() {
assertTrue(Evaluator.getBooleanResult("1 == (1 == (1 == (1 == (1 == 1))))", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test
public void testEqualWithEncapsulation5() {
assertTrue(!Evaluator.getBooleanResult("((((1 == 0) == 1) == 1) == 1) == 1", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test
public void testEqualWithEncapsulation6() {
assertTrue(Evaluator.getBooleanResult("((((1 == 1) == 1) == 1) == 1) == 1", equalExerciseVariableMap, equalFillInVariableMap));
}
 
@Test(expected=ParserException.class)
public void testEqualWithWrongInputCharacter() {
Evaluator.getBooleanResult("1 == ab", equalExerciseVariableMap, equalFillInVariableMap);
fail();
}
 
@Test (expected=UndefinedExerciseVariableException.class)
public void testEqualWithMissingExcerciseVariable() {
Evaluator.getBooleanResult("[var=j] == 2", equalExerciseVariableMap, equalFillInVariableMap);
fail();
}
 
@Test (expected=UndefinedFillInVariableException.class)
public void testEqualWithMissingInput() {
Evaluator.getBooleanResult("[pos=42] == 2", equalExerciseVariableMap, equalFillInVariableMap);
fail();
}
</syntaxhighlight>


===Hinweise===
===Hinweise===

Version vom 25. September 2018, 09:25 Uhr

Beschreibung

Die Funktionen equal vergleicht zwei Ausdrücke auf Gleichheit miteinander. Wenn die beiden Ausdrücke übereinstimmen gibt die Funktion true zurück, ansonsten false.

Syntax

 a == b
 equal(a,b)

Parameter

Return Value

  • Gibt einen Boolean zurück.

Beispiele

2+3==5    --> returns true

'world of math' == 'world of math'    --> returns true

Hinweise

  • Die Funktion equal kann auch mit einfachen mathematischen Operationen umgehen, wie z.B. 2+3.
Abgerufen von „https://wiki.uni-due.de/jack/index.php?title=Equal&oldid=2760“