third_party/WebKit/LayoutTests/fast/dom/lenient-this.html - Issue 2506393004: binding: Makes non-cross-origin-accessible attrs be accessor props.

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Issue 2506393004: binding: Makes non-cross-origin-accessible attrs be accessor props. (Closed)

Patch Set: Synced. Created 4 years ago

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

2 <title>[LenientThis] test</title>	2 <title>[LenientThis] test</title>

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

4 <script src="../../resources/testharnessreport.js"></script>	4 <script src="../../resources/testharnessreport.js"></script>

5 <script>	5 <script>

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

7 // GlobalEventHandlers.onmouseenter is [LenientThis].	7 // GlobalEventHandlers.onmouseenter is [LenientThis].

8 assert_equals(document.onmouseenter, null, "\|this\| is an appropriate object. ");	8 assert_equals(document.onmouseenter, null, "\|this\| is an appropriate object.") ;

9 assert_equals(Document.prototype.onmouseenter, undefined, "\|this\| is not an appropriate object.");	9 assert_equals(Document.prototype.onmouseenter, undefined, "\|this\| is not an ap propriate object.");

10 Document.prototype.onmouseenter = 'foo'; // must not throw.	10 Document.prototype.onmouseenter = 'foo'; // must not throw.

11 assert_equals(Document.prototype.onmouseenter, undefined, "the value must no t change.");	11 assert_equals(Document.prototype.onmouseenter, undefined, "the value must not change.");

12	12

13 // GlobalEventHandlers.onmousedown is NOT [LenientThis].	13 // GlobalEventHandlers.onmousedown is NOT [LenientThis].

14 assert_equals(document.onmousedown, null, "\|this\| is an appropriate object." );	14 assert_equals(document.onmousedown, null, "\|this\| is an appropriate object.");

15 assert_throws(null, function() {	15 assert_throws(null, function() {

16 Document.prototype.onmousedown;	16 Document.prototype.onmousedown;

17 }, "Document.prototype is invalid as \|this\|.");	17 }, "Document.prototype is invalid as \|this\|.");

18 assert_throws(null, function() {	18 assert_throws(null, function() {

19 Document.prototype.onmousedown = 'foo';	19 Document.prototype.onmousedown = 'foo';

20 }, "Document.prototype is invalid as \|this\|.");	20 }, "Document.prototype is invalid as \|this\|.");

21 });	21 }, "Test [LenientThis] and non-[LenientThis].");

	22

	23 test(function() {

	24 var noop = function() {};

	25 var testPatterns = [

	26 {name: 'document', instance: document, holder: Document.prototype, noninstan ce: window},

	27 {name: 'window', instance: window, holder: window, noninstance: document}

	28 ];

	29 function msg(pattern, text) {

	30 return '[' + pattern.name + '] ' + text;

	31 }

	32 for (var p, i = 0; p = testPatterns[i]; ++i) {

	33 var pd = Object.getOwnPropertyDescriptor(p.holder, 'onmouseleave');

	34 // get

	35 assert_equals(pd.get.call(p.noninstance), undefined, msg(p, 'get: non-instan ce should return undefined.'));

	36 assert_equals(pd.get.call(p.instance), null, msg(p, 'get: instance should re turn null by default.'));

	37

	38 // set

	39 assert_equals(pd.set.call(p.noninstance, noop), undefined, msg(p, 'set: sett er always returns undefined.'));

	40 assert_equals(pd.get.call(p.noninstance), undefined, msg(p, 'set: non-instan ce should returns undefined.'));

	41 assert_equals(pd.set.call(p.instance, noop), undefined, msg(p, 'set: even in stance should return undefined.'));

	42 assert_equals(pd.get.call(p.instance), noop, msg(p, 'set: instance should re turn the assigned function.'));

	43 }

	44

	45 // document specific tests.

	46 pd = Object.getOwnPropertyDescriptor(Document.prototype, 'onmouseleave');

	47 assert_equals(pd.get.call(null), undefined, '[document] get: null is not a val id instance.');

	48 assert_equals(pd.get.call(undefined), undefined, '[document] get: undefined is not a valid instance.');

	49

	50 // window specific tests.

	51 pd = Object.getOwnPropertyDescriptor(window, 'onmouseleave');

	52 assert_equals(pd.get.call(null), noop, '[window] get: null should be interpret ed as the global object.');

	53 assert_equals(pd.get.call(undefined), noop, '[window] get: undefined should be interpreted as the global object.');

	54 assert_equals(pd.set.call(undefined, null), undefined, '[window] set: returns undefined.');

	55 assert_equals(pd.get.call(undefined), null, '[window] set: should be updated.' );

	56 }, "Test with extracted accessors.");

22 </script>	57 </script>

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