| <!DOCTYPE html> |
| <html> |
| <body> |
| <div></div> |
| <div></div> |
| <script src="../../../resources/js-test-pre.js"></script> |
| <script> |
| description("Checks that Range.compareBoundaryPoints() throw if the compareHow parameter is invalid"); |
| |
| var range = document.createRange(); |
| range.selectNode(document.getElementsByTagName("div")[0]); |
| var sourceRange = document.createRange(); |
| sourceRange.selectNode(document.getElementsByTagName("div")[1]); |
| |
| // Valid values. |
| shouldBe("range.compareBoundaryPoints(Range.START_TO_START, sourceRange)", "-1"); |
| shouldBe("range.compareBoundaryPoints(Range.START_TO_END, sourceRange)", "-1"); |
| shouldBe("range.compareBoundaryPoints(Range.END_TO_END, sourceRange)", "-1"); |
| shouldBe("range.compareBoundaryPoints(Range.END_TO_START, sourceRange)", "-1"); |
| shouldBe("range.compareBoundaryPoints(65536, sourceRange)", "-1"); // 65536 should wrap around to 0. |
| |
| // Invalid values. |
| shouldThrowErrorName("range.compareBoundaryPoints(-1, sourceRange)", "NotSupportedError"); |
| shouldThrowErrorName("range.compareBoundaryPoints(4, sourceRange)", "NotSupportedError"); |
| shouldThrowErrorName("range.compareBoundaryPoints(100, sourceRange)", "NotSupportedError"); |
| shouldThrowErrorName("range.compareBoundaryPoints(65535, sourceRange)", "NotSupportedError"); |
| </script> |
| <script src="../../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
