import java.math.BigDecimal; import java.math.BigInteger; class BigDecimalOperationTest extends GroovyTestCase { def x, y void testPlus() { x = 0.1 + 1.1 assert x instanceof BigDecimal; assert x == 1.2 x = 3 + 2.2 assert x == 5.2 assert x instanceof BigDecimal; x = 2.2 + 4 assert x instanceof BigDecimal; assert x == 6.2 y = x + 1 assert y instanceof BigDecimal; assert y == 7.2 def z = y + x + 1 + 2 assert z instanceof BigDecimal; assert z == 16.4 } void testMinus() { x = 1.1-0.01 assert x == 1.09 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 y = 11 * 3.333 assert y == 36.663 , "y = " + y y = 3.333 * 11 assert y == 36.663 , "y = " + y } 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 assert y == 10 , "y = " + y y = 34 / 3.000 assert y == 11.3333333333 , "y = " + y y = 34.00000000000 / 3 assert y == 11.33333333333 , "y = " + y } BigDecimal echoX ( BigDecimal x, BigDecimal y) {x} // test for Groovy-1250 void testBigDecimalCoerce() { assert echoX(9.95, 1.0) == echoX(9.95, 1) } }