Content - c1f2b324d5f237054d584af8cbab26f315ed00aa - 3bbde56/offscreen-canvas/drawing-images-to-the-canvas/2d.drawImage.zerosource.image.html

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Tip revision: e5478286b1bd4e84889619e4c75f017f6021a2d9 authored by Darren Shen on 12 April 2018, 11:59:24 UTC
[css-typed-om] Support offset-rotate.

Tip revision: e547828

2d.drawImage.zerosource.image.html

<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.drawImage.zerosource.image</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/canvas-tests.js"></script>

<h1>2d.drawImage.zerosource.image</h1>
<p class="desc">drawImage with zero-sized source rectangle from image throws INDEX_SIZE_ERR</p>


<script>
var t = async_test("drawImage with zero-sized source rectangle from image 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/red-zerowidth.svg');
    xhr.responseType = 'blob';
    xhr.send();
    xhr.onload = function() {
        resolve(xhr.response);
    };
});
promise.then(function(response) {
    assert_throws("INDEX_SIZE_ERR", function() { ctx.drawImage(response, 0, 0, 100, 50); });
    assert_throws("INDEX_SIZE_ERR", function() { ctx.drawImage(response, 0, 0, 100, 50); });
    assert_throws("INDEX_SIZE_ERR", function() { ctx.drawImage(response, 0, 0, 100, 50); });
    _assertPixel(offscreenCanvas, 50,25, 0,255,0,255, "50,25", "0,255,0,255");
});

t.done();

});
</script>

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