content/canvas/test/chrome/nonchrome_webgl_debug_renderer_info.html

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/content/canvas/test/chrome/nonchrome_webgl_debug_renderer_info.html	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,57 @@
     1.4 +<!DOCTYPE HTML>
     1.5 +<html>
     1.6 +<script>
     1.7 +
     1.8 +// This file has the portion of the test_webgl_renderer_info chrome mochitest
     1.9 +// that has to run as non-chrome to check that this WebGL extension is not exposed to content
    1.10 +
    1.11 +// we can't call the chrome Mochitest ok() function ourselves from non-chrome code.
    1.12 +// So we remote it to the chrome test.
    1.13 +
    1.14 +function ok(res, msg) {
    1.15 +  // Note we post to ourselves as posting to the chrome code doesn't seem to work here.
    1.16 +  // This works by having the chrome code put an event handler on our own window.
    1.17 +  window.postMessage({ subTestFinished: true, result: res, message: msg }, "*");
    1.18 +}
    1.19 +
    1.20 +function messageListener(e) {
    1.21 +  // This is how the chrome test tells us to start running -- we have to wait for this
    1.22 +  // message to avoid running before it's set up its event handler.
    1.23 +  if (e.data == "run") {
    1.24 +    run();
    1.25 +  }
    1.26 +}
    1.27 +
    1.28 +window.addEventListener("message", messageListener, true);
    1.29 +
    1.30 +function run() {
    1.31 +  const UNMASKED_VENDOR_WEBGL = 0x9245;
    1.32 +  const UNMASKED_RENDERER_WEBGL = 0x9246;
    1.33 +
    1.34 +  var canvas = document.createElement("canvas");
    1.35 +  var gl = canvas.getContext("experimental-webgl");
    1.36 +
    1.37 +  ok(!gl.getError(), "getError on newly created WebGL context should return NO_ERROR");
    1.38 +
    1.39 +  ok(!gl.getParameter(UNMASKED_VENDOR_WEBGL) && gl.getError() == gl.INVALID_ENUM,
    1.40 +      "Should not be able to query UNMASKED_VENDOR_WEBGL without having enabled the WEBGL_debug_renderer_info extension");
    1.41 +  ok(!gl.getParameter(UNMASKED_RENDERER_WEBGL) && gl.getError() == gl.INVALID_ENUM,
    1.42 +      "Should not be able to query UNMASKED_RENDERER_WEBGL without having enabled the WEBGL_debug_renderer_info extension");
    1.43 +
    1.44 +  var exts = gl.getSupportedExtensions();
    1.45 +  ok(exts.indexOf("WEBGL_debug_renderer_info") == -1,
    1.46 +      "WEBGL_debug_renderer_info should not be listed by getSupportedExtensions in non-chrome contexts");
    1.47 +  var debugRendererInfoExtension = gl.getExtension("WEBGL_debug_renderer_info");
    1.48 +  ok(!debugRendererInfoExtension,
    1.49 +      "WEBGL_debug_renderer_info should not be available through getExtension in non-chrome contexts");
    1.50 +
    1.51 +  ok(!gl.getParameter(UNMASKED_VENDOR_WEBGL) && gl.getError() == gl.INVALID_ENUM,
    1.52 +      "Should not be able to query UNMASKED_VENDOR_WEBGL if enabling WEBGL_debug_renderer_info failed");
    1.53 +  ok(!gl.getParameter(UNMASKED_RENDERER_WEBGL) && gl.getError() == gl.INVALID_ENUM,
    1.54 +      "Should not be able to query UNMASKED_RENDERER_WEBGL if enabling WEBGL_debug_renderer_info failed");
    1.55 +
    1.56 +  window.postMessage({allTestsFinished: true}, "*");
    1.57 +}
    1.58 +
    1.59 +</script>
    1.60 +</html>
    1.61 \ No newline at end of file

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