mirror of
https://github.com/servo/servo.git
synced 2025-07-12 18:03:49 +01:00
41 lines
1.4 KiB
HTML
41 lines
1.4 KiB
HTML
<!DOCTYPE html>
|
|
<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
|
|
<title>OffscreenCanvas test: 2d.drawImage.zerosource</title>
|
|
<meta name="timeout" content="long">
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
<script src="/common/canvas-tests.js"></script>
|
|
|
|
<h1>2d.drawImage.zerosource</h1>
|
|
<p class="desc">drawImage with zero-sized source rectangle throws INDEX_SIZE_ERR</p>
|
|
|
|
|
|
<script>
|
|
var t = async_test("drawImage with zero-sized source rectangle throws INDEX_SIZE_ERR");
|
|
t.step(function() {
|
|
|
|
var offscreenCanvas = new OffscreenCanvas(100, 50);
|
|
var ctx = offscreenCanvas.getContext('2d');
|
|
|
|
ctx.fillStyle = '#0f0';
|
|
ctx.fillRect(0, 0, 100, 50);
|
|
var promise = new Promise(function(resolve, reject) {
|
|
var xhr = new XMLHttpRequest();
|
|
xhr.open("GET", '/images/green.png');
|
|
xhr.responseType = 'blob';
|
|
xhr.send();
|
|
xhr.onload = function() {
|
|
resolve(xhr.response);
|
|
};
|
|
});
|
|
promise.then(function(response) {
|
|
assert_throws("INDEX_SIZE_ERR", function() { ctx.drawImage(response, 10, 10, 0, 1, 0, 0, 100, 50); });
|
|
assert_throws("INDEX_SIZE_ERR", function() { ctx.drawImage(response, 10, 10, 1, 0, 0, 0, 100, 50); });
|
|
assert_throws("INDEX_SIZE_ERR", function() { ctx.drawImage(response, 10, 10, 0, 0, 0, 0, 100, 50); });
|
|
_assertPixelApprox(offscreenCanvas, 50,25, 0,255,0,255, "50,25", "0,255,0,255", 2);
|
|
});
|
|
|
|
t.done();
|
|
|
|
});
|
|
</script>
|