cappuccino/Tests/Objective-J/PassByReferenceTest.j

@import <OJUnit/OJTestCase.j>

var addRef = function(aRef)
    {
        @deref(aRef) += 1;
    },
    subtractRef = function(aRef)
    {
        @deref(aRef) -= 1;
    },
    multiplyRef = function(aRef)
    {
        @deref(aRef) *= 2;
    },
    divideRef = function(aRef)
    {
        @deref(aRef) /= 2;
    },
    setRef = function(aRef)
    {
        @deref(aRef) = 5;
    },
    getRef = function(aRef)
    {
        return @deref(aRef)
    };

@implementation PassByReferenceTest : OJTestCase

- (void)testGetByReference
{
    var x = -1;

    [self assert:-1 equals:@deref(@ref(x))];
    [self assert:-1 equals:getRef(@ref(x))];
}

- (void)testSetByReference
{
    var x = -1;

    setRef(@ref(x));

    [self assert:5 equals:x];
}

- (void)testAddByReference
{
    var x = -1;

    addRef(@ref(x));

    [self assert:0 equals:x];
}

- (void)testSubtractByReference
{
    var x = -1;

    subtractRef(@ref(x));

    [self assert:-2 equals:x];
}

- (void)testMultiplyByReference
{
    var x = -1;

    multiplyRef(@ref(x));

    [self assert:-2 equals:x];
}

- (void)testDivideByReference
{
    var x = -1;

    divideRef(@ref(x));

    [self assert:-0.5 equals:x];
}

@end