4 <script src="../../../resources/js-test.js"></script>
8 description('Check stepUp() and stepDown() behavior for number type.');
10 var input = document.createElement('input');
12 function setInputAttributes(min, max, step, value) {
19 function stepUp(value, step, max, optionalStepCount) {
20 setInputAttributes(null, max, step, value);
21 if (typeof optionalStepCount != "undefined")
22 input.stepUp(optionalStepCount);
28 function stepDown(value, step, min, optionalStepCount) {
29 setInputAttributes(min, null, step, value);
30 if (typeof optionalStepCount != "undefined")
31 input.stepDown(optionalStepCount);
37 function stepUpExplicitBounds(min, max, step, value, stepCount) {
38 setInputAttributes(min, max, step, value);
39 if (typeof stepCount !== 'undefined')
40 input.stepUp(stepCount);
46 function stepDownExplicitBounds(min, max, step, value, stepCount) {
47 setInputAttributes(min, max, step, value);
48 if (typeof stepCount !== 'undefined')
49 input.stepDown(stepCount);
56 input.type = 'number';
57 debug('Invalid value');
58 shouldBeEqualToString('stepUp("", null, null)', '1');
59 shouldBeEqualToString('stepDown("", null, null)', '-1');
60 debug('Non-number arguments');
61 shouldBe('stepUp("0", null, null, "0")', '"0"');
62 shouldBe('stepDown("0", null, null, "0")', '"0"');
63 shouldBe('stepUp("0", null, null, "foo")', '"0"');
64 shouldBe('stepDown("0", null, null, "foo")', '"0"');
65 shouldBe('stepUp("0", null, null, null)', '"0"');
66 shouldBe('stepDown("0", null, null, null)', '"0"');
67 debug('Normal cases');
68 shouldBe('stepUp("0", null, null)', '"1"');
69 shouldBe('stepUp("1", null, null, 2)', '"3"');
70 shouldBe('stepUp("3", null, null, -1)', '"2"');
71 shouldBe('stepDown("2", null, null)', '"1"');
72 shouldBe('stepDown("1", null, null, 2)', '"-1"');
73 shouldBe('stepDown("-1", null, null, -1)', '"0"');
74 debug('Extra arguments');
75 shouldBe('input.value = "0"; input.min = null; input.step = null; input.stepUp(1, 2); input.value', '"1"');
76 shouldBe('input.value = "1"; input.stepDown(1, 3); input.value', '"0"');
77 debug('Invalid step value');
78 shouldBe('stepUp("0", "foo", null)', '"1"');
79 shouldBe('stepUp("1", "0", null)', '"2"');
80 shouldBe('stepUp("2", "-1", null)', '"3"');
82 shouldThrow('stepUp("0", "any", null)');
83 shouldThrow('stepDown("0", "any", null)');
84 debug('Step=any corner case');
85 shouldThrow('stepUpExplicitBounds("0", "100", "any", "1.5", "1")');
86 shouldThrow('stepDownExplicitBounds("0", "100", "any", "1.5", "1")');
87 debug('Overflow/underflow');
88 shouldBe('stepDown("1", "1", "0")', '"0"');
89 shouldBeEqualToString('stepDown("0", "1", "0")', '0');
90 shouldBeEqualToString('stepDown("1", "1", "0", 2)', '0');
91 shouldBeEqualToString('stepDown("1", "3.40282346e+38", "", 2)', '-3.40282346e+38');
92 shouldBeEqualToString('stepUp("-1", "1", "0")', '0');
93 shouldBeEqualToString('stepUp("0", "1", "0")', '0');
94 shouldBeEqualToString('stepUp("-1", "1", "0", 2)', '0');
95 shouldBeEqualToString('stepUp("1", "3.40282346e+38", "", 2)', '3.40282346e+38');
96 debug('stepDown()/stepUp() for stepMismatch values');
97 shouldBeEqualToString('stepUpExplicitBounds("0", "", "2", "1"); input.value', '2');
98 shouldBeEqualToString('stepUp("1", "2", "")', '2');
99 shouldBeEqualToString('input.stepDown(); input.value', '0');
100 shouldBeEqualToString('input.min = "0"; stepUp("9", "10", "", 9)', '90');
101 shouldBeEqualToString('stepDown("19", "10", "0")', '10');
102 shouldBeEqualToString('stepUp("89", "10", "99")', '90');
103 debug('Huge value and small step');
104 shouldBe('input.min = ""; stepUp("1e+38", "1", "", 999999)', '"1e+38"');
105 shouldBe('input.max = ""; stepDown("1e+38", "1", "", 999999)', '"1e+38"');
106 debug('Fractional numbers');
107 shouldBe('input.min = ""; stepUp("0", "0.33333333333333333", "", 3)', '"1"');
108 shouldBe('stepUp("1", "0.1", "", 10)', '"2"');
109 shouldBe('input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.stepUp(); input.value', '"3"');
110 shouldBe('input.min = "0"; stepUp("0", "0.003921568627450980", "1", 255)', '"1"');
111 shouldBe('for (var i = 0; i < 255; i++) { input.stepDown(); }; input.value', '"0"');
113 shouldBe('stepUp("5.005", "0.005", "", 2)', '"5.015"');
114 shouldBe('stepUp("5.005", "0.005", "", 11)', '"5.06"');
115 shouldBe('stepUp("5.005", "0.005", "", 12)', '"5.065"');
116 shouldBe('stepUpExplicitBounds("4", "9", "0.005", "5.005", 2)', '"5.015"');
117 shouldBe('stepUpExplicitBounds("4", "9", "0.005", "5.005", 11)', '"5.06"');
118 shouldBe('stepUpExplicitBounds("4", "9", "0.005", "5.005", 12)', '"5.065"');