Groovy example source code file (UnaryMinusOperatorTest.groovy)

This example Groovy source code file (UnaryMinusOperatorTest.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

groovytestcase, groovytestcase, unaryminusoperatortest, unaryminusoperatortest

The Groovy UnaryMinusOperatorTest.groovy source code

package groovy.operator

class UnaryMinusOperatorTest extends GroovyTestCase {

    void testUnaryMinus() {
        def value = -1
        
        assert value == -1
        
        def x = value + 2
        assert x == 1
        
        def y = -value
        assert y == 1
    }   
    
    void testBug() {
        def a = 1
        def b = -a
        
        assert b == -1
    }
    
    void testShellBug() {
        assertScript("""
def a = 1
def b = -a
assert b == -1            
""")
    }
}