| <!DOCTYPE html> |
| <div id="container"></div> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script> |
| |
| test(function() { |
| var proxy = new CompositorProxy(document.getElementById('container'), ['opacity']); |
| assert_throws("NoModificationAllowedError", function() { proxy.opacity = 0.4; }); |
| assert_throws("NoModificationAllowedError", function() { return proxy.opacity; }); |
| }, "This test checks that a compositor proxy cannot be mutated from the main thread."); |
| |
| </script> |
