| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../../resources/js-test.js"></script> |
| </head> |
| <body> |
| <script> |
| description('Check stepUp() and stepDown() behavior for number type.'); |
| |
| var input = document.createElement('input'); |
| var changeEventCounter = 0; |
| input.onchange = function() { ++changeEventCounter; }; |
| |
| function setInputAttributes(min, max, step, value) { |
| input.min = min; |
| input.max = max; |
| input.step = step; |
| input.value = value; |
| } |
| |
| function stepUp(value, step, max, optionalStepCount) { |
| setInputAttributes(null, max, step, value); |
| if (typeof optionalStepCount != "undefined") |
| input.stepUp(optionalStepCount); |
| else |
| input.stepUp(); |
| return input.value; |
| } |
| |
| function stepDown(value, step, min, optionalStepCount) { |
| setInputAttributes(min, null, step, value); |
| if (typeof optionalStepCount != "undefined") |
| input.stepDown(optionalStepCount); |
| else |
| input.stepDown(); |
| return input.value; |
| } |
| |
| function stepUpExplicitBounds(min, max, step, value, stepCount) { |
| setInputAttributes(min, max, step, value); |
| if (typeof stepCount !== 'undefined') |
| input.stepUp(stepCount); |
| else |
| input.stepUp(); |
| return input.value; |
| } |
| |
| function stepDownExplicitBounds(min, max, step, value, stepCount) { |
| setInputAttributes(min, max, step, value); |
| if (typeof stepCount !== 'undefined') |
| input.stepDown(stepCount); |
| else |
| input.stepDown(); |
| return input.value; |
| } |
| |
| debug('Number type'); |
| input.type = 'number'; |
| debug('Invalid value'); |
| shouldBeEqualToString('stepUp("", null, null)', '1'); |
| shouldBeEqualToString('stepDown("", null, null)', '-1'); |
| debug('Non-number arguments'); |
| shouldBe('stepUp("0", null, null, "0")', '"0"'); |
| shouldBe('stepDown("0", null, null, "0")', '"0"'); |
| shouldBe('stepUp("0", null, null, "foo")', '"0"'); |
| shouldBe('stepDown("0", null, null, "foo")', '"0"'); |
| shouldBe('stepUp("0", null, null, null)', '"0"'); |
| shouldBe('stepDown("0", null, null, null)', '"0"'); |
| debug('Normal cases'); |
| shouldBe('stepUp("0", null, null)', '"1"'); |
| shouldBe('stepUp("1", null, null, 2)', '"3"'); |
| shouldBe('stepUp("3", null, null, -1)', '"2"'); |
| shouldBe('stepDown("2", null, null)', '"1"'); |
| shouldBe('stepDown("1", null, null, 2)', '"-1"'); |
| shouldBe('stepDown("-1", null, null, -1)', '"0"'); |
| // According to Web IDL specification, 2147483648 here is converted to |
| // -2147483648. So, stepDown(2147483648) is equivalent to stepUp(2147483648). |
| shouldBeEqualToString('stepDown("0", "1", null, 2147483648)', '2147483648'); |
| debug('Extra arguments'); |
| shouldBe('input.value = "0"; input.min = null; input.step = null; input.stepUp(1, 2); input.value', '"1"'); |
| shouldBe('input.value = "1"; input.stepDown(1, 3); input.value', '"0"'); |
| debug('Invalid step value'); |
| shouldBe('stepUp("0", "foo", null)', '"1"'); |
| shouldBe('stepUp("1", "0", null)', '"2"'); |
| shouldBe('stepUp("2", "-1", null)', '"3"'); |
| debug('Step=any'); |
| shouldThrow('stepUp("0", "any", null)'); |
| shouldThrow('stepDown("0", "any", null)'); |
| debug('Step=any corner case'); |
| shouldThrow('stepUpExplicitBounds("0", "100", "any", "1.5", "1")'); |
| shouldThrow('stepDownExplicitBounds("0", "100", "any", "1.5", "1")'); |
| debug('Overflow/underflow'); |
| shouldBe('stepDown("1", "1", "0")', '"0"'); |
| shouldBeEqualToString('stepDown("0", "1", "0")', '0'); |
| shouldBeEqualToString('stepDown("1", "1", "0", 2)', '0'); |
| shouldBeEqualToString('stepDown("1", "1.797693134862315e+308", "", 2)', '-1.797693134862315e+308'); |
| shouldBeEqualToString('stepUp("-1", "1", "0")', '0'); |
| shouldBeEqualToString('stepUp("0", "1", "0")', '0'); |
| shouldBeEqualToString('stepUp("-1", "1", "0", 2)', '0'); |
| shouldBeEqualToString('stepUp("1", "1.797693134862315e+308", "", 2)', '1.797693134862315e+308'); |
| debug('stepDown()/stepUp() for stepMismatch values'); |
| shouldBeEqualToString('stepUpExplicitBounds("0", "", "2", "1"); input.value', '2'); |
| shouldBeEqualToString('stepUp("1", "2", "")', '2'); |
| shouldBeEqualToString('input.stepDown(); input.value', '0'); |
| shouldBeEqualToString('input.min = "0"; stepUp("9", "10", "", 9)', '90'); |
| shouldBeEqualToString('stepDown("19", "10", "0")', '10'); |
| shouldBeEqualToString('stepUp("89", "10", "99")', '90'); |
| debug('Huge value and small step'); |
| shouldBe('input.min = ""; stepUp("1e+308", "1", "", 999999)', '"1e+308"'); |
| shouldBe('input.max = ""; stepDown("1e+308", "1", "", 999999)', '"1e+308"'); |
| debug('Fractional numbers'); |
| shouldBe('input.min = ""; stepUp("0", "0.33333333333333333", "", 3)', '"1"'); |
| shouldBe('stepUp("1", "0.1", "", 10)', '"2"'); |
| shouldBe('input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.value', '"3"'); |
| shouldBe('input.min = "0"; stepUp("0", "0.003921568627450980", "1", 255)', '"1"'); |
| shouldBe('for (var i = 0; i < 255; i++) { input.stepDown(); }; input.value', '"0"'); |
| debug('Rounding'); |
| shouldBe('stepUp("5.005", "0.005", "", 2)', '"5.015"'); |
| shouldBe('stepUp("5.005", "0.005", "", 11)', '"5.06"'); |
| shouldBe('stepUp("5.005", "0.005", "", 12)', '"5.065"'); |
| shouldBe('stepUpExplicitBounds("4", "9", "0.005", "5.005", 2)', '"5.015"'); |
| shouldBe('stepUpExplicitBounds("4", "9", "0.005", "5.005", 11)', '"5.06"'); |
| shouldBe('stepUpExplicitBounds("4", "9", "0.005", "5.005", 12)', '"5.065"'); |
| |
| debug(''); |
| debug('This test should not dispatch any |change| events.'); |
| shouldBe('changeEventCounter', '0'); |
| </script> |
| </body> |
| </html> |
