nur funktionen

CompilerTests.java

/*
Schema für parameter und rückgabewert-typen:
<TYPE>:<NAME> 
Bsp: Parameter= double:a
Bsp: Funktion= boolean:equal(double:a double:b) {...}
Die Funktionen haben als Default double als Rückgabetyp, falls dieser nicht angegeben ist
*/

	@Test
	public void testSimpleFunction() {
		testResult("pi() {3.14159265}" +
				"x = pi() x*=2 x", 6.2831853);
	}
	
	@Test
	public void testFunctionWithDirectParams() {
		testResult("sum (double:a double:b) {" +
				"	z = a + b " +
				"	z" +
				"} sum (2 3)", 5);
	}
	
	@Test
	public void testFunctionWithVariables() {
		testResult("x=5 y=10 " +
				"sum(double:a double:b) {" +
				"	tmp = a + b" +
				"	tmp"+
				"}" +
				"sum(x y)", 15);
	}
	
	@Test
	public void testFunctionWithLocalScope() {
		testResult("x=5 y=10 " +
				"sum(double:a double:b) {" +
				"	x = 999" +
				"	tmp = a + b" +
				"	tmp"+
				"}" +
				"sum(x y) + x", 20);
	}
	
	@Test
	public void testFunctionWithMoreParams() {
		testResult("sum (double:a double:b double:c) {" +
				"	z = a + b + c " +
				"	z" +
				"} sum (2 3 4)", 9);
	}
	
	@Test
	public void testFunctionWithBooleanReturnType() {
		testResult("boolean:equal (double:a double:b ) {" +
				"	z = a == b " +
				"	z" +
				"} equal (4 5)", false);
		
		testResult("boolean:equal (double:a double:b ) {" +
				"	z = a == b " +
				"	z" +
				"} equal (4 4)", true);
	}
	
	@Test
	public void testFunctionWithImplicitDoubleType() {
		testResult("double:sum (double:a double:b) {" +
				"	z = a + b " +
				"	z" +
				"} sum (2 3)", 5);
	}
	
	@Test
	public void testFunctionWithMixedTypes() {
		testResult("boolean:equal (double:a double:b ) {" +
				"	z = a == b " +
				"	z" +
				"} r = equal (4 5) r", false);
		
		testResult("boolean:equal (double:a double:b ) {" +
				"	z = a == b " +
				"	z" +
				"} r = equal (4 5)" +
				"x = 1"+
				"if (r) {" +
				"	x = 42" +
				"} else {" +
				"	x = 13" +
				"} x", 13);
	}