| <!DOCTYPE html> |
| <html> |
| <head> |
| </head> |
| <body> |
| <script src="../../resources/js-test.js"></script> |
| <script> |
| description("This tests that 'Selection' methods throw exceptions with reasonable messages."); |
| |
| shouldThrow('getSelection().collapse(document.documentElement, -1)', '"IndexSizeError: Failed to execute \'collapse\' on \'Selection\': -1 is not a valid offset."'); |
| |
| getSelection().empty(); |
| shouldThrow('getSelection().collapseToStart()', '"InvalidStateError: Failed to execute \'collapseToStart\' on \'Selection\': there is no selection."'); |
| shouldThrow('getSelection().collapseToEnd()', '"InvalidStateError: Failed to execute \'collapseToEnd\' on \'Selection\': there is no selection."'); |
| |
| shouldThrow('getSelection().setBaseAndExtent(document.documentElement, -1, document.documentElement, 0)', '"IndexSizeError: Failed to execute \'setBaseAndExtent\' on \'Selection\': -1 is not a valid base offset."'); |
| shouldThrow('getSelection().setBaseAndExtent(document.documentElement, 0, document.documentElement, -1)', '"IndexSizeError: Failed to execute \'setBaseAndExtent\' on \'Selection\': -1 is not a valid extent offset."'); |
| |
| shouldThrow('getSelection().collapse(document.documentElement, -1)', '"IndexSizeError: Failed to execute \'collapse\' on \'Selection\': -1 is not a valid offset."'); |
| |
| shouldThrow('getSelection().getRangeAt(-1)', '"IndexSizeError: Failed to execute \'getRangeAt\' on \'Selection\': -1 is not a valid index."'); |
| |
| shouldThrow('getSelection().extend(0, -1)', '"TypeError: Failed to execute \'extend\' on \'Selection\': parameter 1 is not of type \'Node\'."'); |
| shouldThrow('getSelection().extend(document.documentElement, -1)', '"IndexSizeError: Failed to execute \'extend\' on \'Selection\': -1 is not a valid offset."'); |
| shouldThrow('getSelection().extend(document.documentElement, 1000)', '"IndexSizeError: Failed to execute \'extend\' on \'Selection\': 1000 is larger than the given node\'s length."'); |
| </script> |
| </body> |
| </html> |