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Copyright (c) 2019 The Khronos Group Inc.
Use of this source code is governed by an MIT-style license that can be
found in the LICENSE.txt file.
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<!DOCTYPE html>
<html>
  <head>
  <meta charset="utf-8">
    <title>Zero Size Canvas Test</title>
    <link rel="stylesheet" href="../../resources/js-test-style.css"/>
    <script src="../../js/js-test-pre.js"></script>
    <script src="../../js/webgl-test-utils.js"> </script>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<script>
"use strict";
description("Tests that a zero size canvas does not fail.");
var wtu = WebGLTestUtils;
var canvas = document.createElement('canvas');
var gl = wtu.create3DContext(canvas);
canvas.width = 0;
canvas.height = 0;
gl.viewport(0, 0, 0, 0);
var program = wtu.setupTexturedQuad(gl);
shouldBeTrue("program != null");
var tex = gl.createTexture();
gl.bindTexture(gl.TEXTURE_2D, tex);
var pixel = new Uint8Array([0, 255, 0, 255]);
gl.texImage2D(
  gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, pixel);
wtu.clearAndDrawUnitQuad(gl);

wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
var successfullyParsed = true;
</script>
<script src="../../js/js-test-post.js"></script>

</body>
</html>
