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<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<meta charset="UTF-8">
<title>OffscreenCanvas test: 2d.imageData.get.invalid</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<h1>2d.imageData.get.invalid</h1>
<p class="desc">Verify getImageData() behavior in invalid cases.</p>
<script>
var t = async_test("Verify getImageData() behavior in invalid cases.");
var t_pass = t.done.bind(t);
var t_fail = t.step_func(function(reason) {
throw reason;
});
t.step(function() {
var canvas = new OffscreenCanvas(100, 50);
var ctx = canvas.getContext('2d');
imageData = ctx.getImageData(0,0,2,2);
var testValues = [NaN, true, false, "\"garbage\"", "-1",
"0", "1", "2", Infinity, -Infinity,
-5, -0.5, 0, 0.5, 5,
5.4, 255, 256, null, undefined];
var testResults = [0, 1, 0, 0, 0,
0, 1, 2, 255, 0,
0, 0, 0, 0, 5,
5, 255, 255, 0, 0];
for (var i = 0; i < testValues.length; i++) {
imageData.data[0] = testValues[i];
_assert(imageData.data[0] == testResults[i], "imageData.data[\""+(0)+"\"] == testResults[\""+(i)+"\"]");
}
imageData.data['foo']='garbage';
_assert(imageData.data['foo'] == 'garbage', "imageData.data['foo'] == 'garbage'");
imageData.data[-1]='garbage';
_assert(imageData.data[-1] == undefined, "imageData.data[-1] == undefined");
imageData.data[17]='garbage';
_assert(imageData.data[17] == undefined, "imageData.data[\""+(17)+"\"] == undefined");
t.done();
});
</script>
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