Groovy example source code file (DownUpStepTest.groovy)

This example Groovy source code file (DownUpStepTest.groovy) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Groovy tags/keywords

downupsteptest, downupsteptest, groovytestcase, groovytestcase

The Groovy DownUpStepTest.groovy source code

package groovy

public class DownUpStepTest extends GroovyTestCase {

    void testDownto() {
        def z = []
        (10.5).downto(5.9) { z << it }
        assertEquals( [10.5, 9.5, 8.5, 7.5, 6.5], z)
    }

    void testBigIntegerDowntoBigDecimal() {
        def z = []
        10G.downto(5.9G) { z << it }
        assertEquals( [10G, 9G, 8G, 7G, 6G], z)
    }

    void testUpto() {
        def z = 0.0
        (3.1).upto(7.2) { z += it }
        assert z == 3.1 + 4.1 + 5.1 + 6.1 + 7.1
        assert z == 25.5
    }

    void testStep() {
        def z = 0.0
        (1.2).step(3.9, 0.1) { z += it }
        assert z == 67.5
    }

    void testDownStep() {
        def z = 0.0
        (3.8).step(1.1, -0.1) { z += it }
        assert z == 67.5
    }
}