<!DOCTYPE html>
<html>
  <head>
  <meta charset="utf-8">
    <title>Zero Size Canvas Test</title>
    <script src="../../../resources/js-test.js"></script>
    <script src="resources/webgl-test.js"> </script>
    <script src="resources/webgl-test-utils.js"> </script>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<script>
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.drawQuad(gl);

glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
</script>
</body>
</html>