class DoubleOperationTest extends GroovyTestCase { def x def y void testPlus() { x = 2.1 + 2.1 assert x == 4.2 x = 3 + 2.2 assert x == 5.2 x = 2.2 + 4 assert x == 6.2 y = x + 1 assert y == 7.2 def z = y + x + 1 + 2 assert z == 16.4 } void testMinus() { x = 6 - 2.2 assert x == 3.8 x = 5.8 - 2 assert x == 3.8 y = x - 1 assert y == 2.8 } void testMultiply() { x = 3 * 2.0 assert x == 6.0 x = 3.0 * 2 assert x == 6.0 x = 3.0 * 2.0 assert x == 6.0 y = x * 2 assert y == 12.0 } void testDivide() { x = 80.0 / 4 assert x == 20.0 , "x = " + x x = 80 / 4.0 assert x == 20.0 , "x = " + x y = x / 2 assert y == 10.0 , "y = " + y } void testMethodNotFound() { try { println( Math.sin("foo", 7) ); fail("Should catch a MissingMethodException"); } catch (MissingMethodException mme) { } } void testCoerce() { def xyz = Math.sin(1.1); assert xyz instanceof Double; assert xyz == Math.sin(1.1D); //Note that (7.3F).doubleValue() != 7.3D x = Math.sin(7.3F); assert x instanceof Double; assert x == Math.sin((7.3F).doubleValue()); x = Math.sin(7); assert x instanceof Double; assert x == Math.sin(7.0D); } }
