LayoutTests/fast/dom/custom/attribute-changed-callback.html - Issue 117313008: Update Custom Elements API to new names.

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Issue 117313008: Update Custom Elements API to new names. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Update for forgotten tests. Created 7 years ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2 <script src="../../../resources/testharness.js"></script>	2 <script src="../../../resources/testharness.js"></script>

3 <script src="../../../resources/testharnessreport.js"></script>	3 <script src="../../../resources/testharnessreport.js"></script>

4 <body>	4 <body>

5 <script>	5 <script>

6 test(function () {	6 test(function () {

7 var attributeChangedInvocations = 0;	7 var attributeChangedInvocations = 0;

8 function attributeChanged(_, _, _) {	8 function attributeChanged(_, _, _) {

9 attributeChangedInvocations++;	9 attributeChangedInvocations++;

10 }	10 }

11	11

12 var getterInvocations = 0;	12 var getterInvocations = 0;

13 function getter() {	13 function getter() {

14 getterInvocations++;	14 getterInvocations++;

15 return attributeChanged;	15 return attributeChanged;

16 }	16 }

17	17

18 function failer() {	18 function failer() {

19 assert_unreached('the attribute changed callback must not be retrieved a fter registration');	19 assert_unreached('the attribute changed callback must not be retrieved a fter registration');

20 }	20 }

21	21

22 var proto = Object.create(HTMLElement.prototype, {	22 var proto = Object.create(HTMLElement.prototype, {

23 attributeChangedCallback: {	23 attributeChangedCallback: {

24 get: getter	24 get: getter

25 }	25 }

26 });	26 });

27 var ctor = document.register('x-a', {prototype: proto});	27 var ctor = document.registerElement('x-a', {prototype: proto});

28 assert_equals(getterInvocations, 1, 'the attribute changed callback must hav e been retrieved');	28 assert_equals(getterInvocations, 1, 'the attribute changed callback must hav e been retrieved');

29	29

30 proto.attributeChangedCallback = failer;	30 proto.attributeChangedCallback = failer;

31 var element = new ctor();	31 var element = new ctor();

32 element.setAttribute('a', 'b');	32 element.setAttribute('a', 'b');

33 assert_equals(attributeChangedInvocations, 1, 'the attribute changed callbac k retrieved at registration must be invoked');	33 assert_equals(attributeChangedInvocations, 1, 'the attribute changed callbac k retrieved at registration must be invoked');

34 }, 'transfer attribute changed callback');	34 }, 'transfer attribute changed callback');

35	35

36 test(function () {	36 test(function () {

37 var invocations = [];	37 var invocations = [];

38 function created() {	38 function created() {

39 invocations.push('created');	39 invocations.push('created');

40 }	40 }

41 function attributeChanged(name, oldValue, newValue) {	41 function attributeChanged(name, oldValue, newValue) {

42 invocations.push(name + ': ' + oldValue + ' => ' + newValue);	42 invocations.push(name + ': ' + oldValue + ' => ' + newValue);

43 }	43 }

44	44

45 var proto = Object.create(HTMLElement.prototype);	45 var proto = Object.create(HTMLElement.prototype);

46 proto.createdCallback = created;	46 proto.createdCallback = created;

47 proto.attributeChangedCallback = attributeChanged;	47 proto.attributeChangedCallback = attributeChanged;

48 var B = document.register('x-b', {prototype: proto});	48 var B = document.registerElement('x-b', {prototype: proto});

49	49

50 var b = new B();	50 var b = new B();

51 b.id = 'x';	51 b.id = 'x';

52 assert_array_equals(invocations, ['created', 'id: null => x'], 'setting a re flected attribute should invoke the attributeChanged callback');	52 assert_array_equals(invocations, ['created', 'id: null => x'], 'setting a re flected attribute should invoke the attributeChanged callback');

53	53

54 invocations = [];	54 invocations = [];

55 b.removeAttribute('id');	55 b.removeAttribute('id');

56 assert_array_equals(invocations, ['id: x => null'], 'removing an attribute s hould invoke the attributeChangedCallback');	56 assert_array_equals(invocations, ['id: x => null'], 'removing an attribute s hould invoke the attributeChangedCallback');

57	57

58 invocations = [];	58 invocations = [];

59 b.setAttribute('data-s', 't');	59 b.setAttribute('data-s', 't');

60 assert_array_equals(invocations, ['data-s: null => t'], 'adding an attribute with setAttribute should invoke the attributeChangedCallback');	60 assert_array_equals(invocations, ['data-s: null => t'], 'adding an attribute with setAttribute should invoke the attributeChangedCallback');

61	61

62 invocations = [];	62 invocations = [];

63 b.classList.toggle('u');	63 b.classList.toggle('u');

64 assert_array_equals(invocations, ['class: null => u'], 'adding a class attri bute through classList should invoke the attributeChangedCallback');	64 assert_array_equals(invocations, ['class: null => u'], 'adding a class attri bute through classList should invoke the attributeChangedCallback');

65	65

66 b.setAttribute('data-v', 'w');	66 b.setAttribute('data-v', 'w');

67 invocations = [];	67 invocations = [];

68 b.setAttribute('data-v', 'x');	68 b.setAttribute('data-v', 'x');

69 assert_array_equals(invocations, ['data-v: w => x'], 'changing an attribute with setAttribute should invoke the attributeChangedCallback');	69 assert_array_equals(invocations, ['data-v: w => x'], 'changing an attribute with setAttribute should invoke the attributeChangedCallback');

70	70

71 invocations = [];	71 invocations = [];

72 b.setAttribute('data-v', 'x');	72 b.setAttribute('data-v', 'x');

73 assert_array_equals(invocations, [], 'setting an attribute to the existing v alue with setAttribute should not invoke the attributeChangedCallback');	73 assert_array_equals(invocations, [], 'setting an attribute to the existing v alue with setAttribute should not invoke the attributeChangedCallback');

74 }, 'add, change and remove an attribute');	74 }, 'add, change and remove an attribute');

75 </script>	75 </script>

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