| <!DOCTYPE html> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| |
| <script> |
| function assert_throws_with_message(e, f, m) { |
| try { |
| f(); |
| } catch(exception) { |
| assert_equals(exception.name, e); |
| assert_equals(exception.message, m); |
| } |
| } |
| |
| test(function() { |
| assert_throws_with_message('TypeError', |
| function() { |
| document.documentElement.animate([ |
| {offset: 0.6}, |
| {offset: 0.4} |
| ]); |
| }, |
| "Failed to execute 'animate' on 'Element': Keyframes with specified offsets are not sorted" |
| ); |
| |
| assert_throws_with_message('TypeError', |
| function() { |
| document.documentElement.animate([ |
| {offset: 'a donkey'} |
| ]); |
| }, |
| "Failed to execute 'animate' on 'Element': Non numeric offset provided" |
| ); |
| |
| assert_throws_with_message('TypeError', |
| function() { |
| document.documentElement.animate([ |
| {offset: -1} |
| ]); |
| }, |
| "Failed to execute 'animate' on 'Element': Offsets provided outside the range [0, 1]" |
| ); |
| }); |
| </script> |
