1 files changed, 83 insertions, 0 deletions
diff --git a/dom/canvas/test/chrome/nonchrome_webgl_debug_renderer_info.html b/dom/canvas/test/chrome/nonchrome_webgl_debug_renderer_info.html
new file mode 100644
index 000000000..4668f2baf
--- /dev/null
+++ b/dom/canvas/test/chrome/nonchrome_webgl_debug_renderer_info.html
@@ -0,0 +1,83 @@
+<!DOCTYPE HTML>
+<html>
+<script>
+
+
+// This file has the portion of the test_webgl_renderer_info chrome mochitest
+// that has to run as non-chrome to check that this WebGL extension is not exposed to content
+
+// we can't call the chrome Mochitest ok() function ourselves from non-chrome code.
+// So we remote it to the chrome test.
+
+function ok(res, msg) {
+  // Note we post to ourselves as posting to the chrome code doesn't seem to work here.
+  // This works by having the chrome code put an event handler on our own window.
+  window.postMessage({ subTestFinished: true, result: res, message: msg }, "*");
+}
+
+function messageListener(e) {
+  // This is how the chrome test tells us to start running -- we have to wait for this
+  // message to avoid running before it's set up its event handler.
+  if (e.data.run) {
+    var canBeUnprivileged = e.data.canBeUnprivileged;
+    run(canBeUnprivileged);
+  }
+}
+
+window.addEventListener("message", messageListener, true);
+
+function run(canBeUnprivileged) {
+  const UNMASKED_VENDOR_WEBGL = 0x9245;
+  const UNMASKED_RENDERER_WEBGL = 0x9246;
+
+  var canvas = document.createElement("canvas");
+  var gl = canvas.getContext("experimental-webgl");
+
+  ok(!gl.getError(), "getError on newly created WebGL context should return NO_ERROR");
+
+  ok(!gl.getParameter(UNMASKED_VENDOR_WEBGL) && gl.getError() == gl.INVALID_ENUM,
+      "Should not be able to query UNMASKED_VENDOR_WEBGL without having enabled the"
+      + " WEBGL_debug_renderer_info extension");
+  ok(!gl.getParameter(UNMASKED_RENDERER_WEBGL) && gl.getError() == gl.INVALID_ENUM,
+      "Should not be able to query UNMASKED_RENDERER_WEBGL without having enabled the"
+      + " WEBGL_debug_renderer_info extension");
+
+  var exts = gl.getSupportedExtensions();
+  if (canBeUnprivileged) {
+    ok(exts.indexOf("WEBGL_debug_renderer_info") != -1,
+       "WEBGL_debug_renderer_info should be listed by getSupportedExtensions in"
+       + " non-chrome contexts on non-RELEASE_OR_BETAs");
+
+    var ext = gl.getExtension("WEBGL_debug_renderer_info");
+    ok(!!ext,
+       "WEBGL_debug_renderer_info should be available through getExtension in non-chrome"
+       + " contexts on non-RELEASE_OR_BETAs");
+
+    ok(gl.getParameter(UNMASKED_VENDOR_WEBGL) && gl.getError() == gl.NO_ERROR,
+       "Should be able to query UNMASKED_VENDOR_WEBGL if enabling"
+       + " WEBGL_debug_renderer_info succeeded");
+    ok(gl.getParameter(UNMASKED_RENDERER_WEBGL) && gl.getError() == gl.NO_ERROR,
+       "Should be able to query UNMASKED_RENDERER_WEBGL if enabling"
+       + " WEBGL_debug_renderer_info succeeded");
+  } else {
+    ok(exts.indexOf("WEBGL_debug_renderer_info") == -1,
+       "WEBGL_debug_renderer_info should not be listed by getSupportedExtensions in"
+       + " non-chrome contexts");
+    var ext = gl.getExtension("WEBGL_debug_renderer_info");
+    ok(!ext,
+       "WEBGL_debug_renderer_info should not be available through getExtension in"
+       + " non-chrome contexts");
+
+    ok(!gl.getParameter(UNMASKED_VENDOR_WEBGL) && gl.getError() == gl.INVALID_ENUM,
+        "Should not be able to query UNMASKED_VENDOR_WEBGL if enabling"
+        + " WEBGL_debug_renderer_info failed");
+    ok(!gl.getParameter(UNMASKED_RENDERER_WEBGL) && gl.getError() == gl.INVALID_ENUM,
+        "Should not be able to query UNMASKED_RENDERER_WEBGL if enabling"
+        + " WEBGL_debug_renderer_info failed");
+
+  }
+  window.postMessage({allTestsFinished: true}, "*");
+}
+
+</script>
+</html>