1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>Canvas test: type.prototype</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
<body class="show_output">
<h1>type.prototype</h1>
<p class="desc">window.HTMLCanvasElement has prototype, which is { ReadOnly, DontDelete }. prototype has getContext, which is not</p>
<p class="notes">Defined in "Web IDL" (draft)
<p class="output">Actual output:</p>
<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
<ul id="d"></ul>
<script>
var t = async_test("window.HTMLCanvasElement has prototype, which is { ReadOnly, DontDelete }. prototype has getContext, which is not");
_addTest(function(canvas, ctx) {
_assert(window.HTMLCanvasElement.prototype, "window.HTMLCanvasElement.prototype");
_assert(window.HTMLCanvasElement.prototype.getContext, "window.HTMLCanvasElement.prototype.getContext");
window.HTMLCanvasElement.prototype = null;
_assert(window.HTMLCanvasElement.prototype, "window.HTMLCanvasElement.prototype");
delete window.HTMLCanvasElement.prototype;
_assert(window.HTMLCanvasElement.prototype, "window.HTMLCanvasElement.prototype");
window.HTMLCanvasElement.prototype.getContext = 1;
_assertSame(window.HTMLCanvasElement.prototype.getContext, 1, "window.HTMLCanvasElement.prototype.getContext", "1");
delete window.HTMLCanvasElement.prototype.getContext;
_assertSame(window.HTMLCanvasElement.prototype.getContext, undefined, "window.HTMLCanvasElement.prototype.getContext", "undefined");
});
</script>
|
