michael@0: // nactuals > nformals
michael@0: function testOverflow() {
michael@0:     var called = false;
michael@0:     function f(a) {
michael@0:         assertEq(a, 173);
michael@0:         assertEq(arguments.length, 2);
michael@0:         assertEq(arguments[0], a);
michael@0:         assertEq(arguments[1], a);
michael@0:         called = true;
michael@0:     }
michael@0: 
michael@0:     for (var i=0; i<10; i++)
michael@0:         [173, 173, 173].sort(f);
michael@0:     assertEq(called, true);
michael@0: }
michael@0: testOverflow();
michael@0: 
michael@0: // nactuals == nformals
michael@0: function testEqual() {
michael@0:     var called = false;
michael@0:     function f(a, b) {
michael@0:         assertEq(a, 173);
michael@0:         assertEq(arguments.length, 2);
michael@0:         assertEq(arguments[0], a);
michael@0:         assertEq(arguments[1], b);
michael@0:         called = true;
michael@0:     }
michael@0: 
michael@0:     for (var i=0; i<10; i++)
michael@0:         [173, 173, 173].sort(f);
michael@0:     assertEq(called, true);
michael@0: }
michael@0: testEqual();
michael@0: 
michael@0: // nactuals < nformals
michael@0: function testUnderflow() {
michael@0:     var called = false;
michael@0:     function f(a, b, c) {
michael@0:         assertEq(a, 173);
michael@0:         assertEq(c, undefined);
michael@0:         assertEq(arguments.length, 2);
michael@0:         assertEq(arguments[0], a);
michael@0:         assertEq(arguments[1], b);
michael@0:         called = true;
michael@0:     }
michael@0: 
michael@0:     for (var i=0; i<10; i++)
michael@0:         [173, 173, 173].sort(f);
michael@0:     assertEq(called, true);
michael@0: }
michael@0: testUnderflow();
michael@0: 
michael@0: function testUnderflowMany() {
michael@0:     var called = 0;
michael@0:     function f(a, b, c, d, e, f, g, h) {
michael@0:         assertEq(a, 173);
michael@0:         assertEq(arguments.length, 3);
michael@0:         assertEq(arguments[0], a);
michael@0:         assertEq(arguments[1] < 3, true);
michael@0:         assertEq(c.length, 3);
michael@0:         assertEq(d, undefined);
michael@0:         assertEq(e, undefined);
michael@0:         assertEq(f, undefined);
michael@0:         assertEq(g, undefined);
michael@0:         assertEq(h, undefined);
michael@0:         called += 1;
michael@0:     }
michael@0: 
michael@0:     for (var i=0; i<10; i++)
michael@0:         [173, 173, 173].map(f);
michael@0:     assertEq(called, 30);
michael@0: }
michael@0: testUnderflowMany();