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share/test/unit/Function.js  view on Meta::CPAN

            Y.Assert.areEqual(scope, this, 'Test if "this" is correct');
            Y.Assert.areEqual('bar', this.foo, 'Test if property matches');
            Y.Assert.areEqual('a', a, 'Test passed param');
            Y.Assert.areEqual('b', b, 'Test passed param');
            return z === undefined;
        }, scope);
        // intercepted, but allowed to continue
        rt = cb('a', 'b'); // n 2
        Y.Assert.areEqual('x', rt, 'Test the return value');
        
        // intercepted, and cancelled
        cb('a', 'b', 'z');
        Y.Assert.areEqual(2, scope.n, 'Test the interceptor call count');
    },
    
    // 16
    test_createSequence: function(){
        var scope = {
            foo: 'bar',
            seq: 0
        };
        
        var fn = function(a, b){
            Y.Assert.areEqual(scope, this, 'Test if "this" is correct');
            Y.Assert.areEqual('bar', this.foo, 'Test if property matches');
            Y.Assert.areEqual('a', a, 'Test passed param');
            Y.Assert.areEqual('b', b, 'Test passed param');
            this.seq++;
            return 'x';
        };
        
        var rt = fn.call(scope, 'a', 'b'); // seq 1
        Y.Assert.areEqual('x', rt, 'Test the return value');
        Y.Assert.areEqual(1, scope.seq, 'Test the counter');
        
        var cb = fn.createDelegate(scope).createSequence(fn, scope);
        rt = cb('a', 'b'); // seq 2, 3
        Y.Assert.areEqual('x', rt, 'Test the return value');
        Y.Assert.areEqual(3, scope.seq, 'Test the number of times the sequence was called');
    },
    
    // 9
    test_defer: function(){
        var scope = {
            foo: 'bar',
            n: 0
        };
        
        var fn = function(a, b){
            Y.Assert.areEqual(scope, this, 'Test if "this" is correct');
            Y.Assert.areEqual('bar', this.foo, 'Test if property matches');
            Y.Assert.areEqual('a', a, 'Test passed param');
            Y.Assert.areEqual('b', b, 'Test passed param');
            this.n++;
        };
        
        fn.defer(1, scope, ['a', 'b']);
        fn.defer(2, scope, ['a', 'b']);
        
        setTimeout(function(){
            Y.Assert.areEqual(2, scope.n, 'Test if the counter matches the call timer count');
        }, 4);
    }
    
});