| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| // These are a regression tests for |
| // https://bugs.chromium.org/p/chromium/issues/detail?id=719763. Checking the |
| // message text of exceptions is not normally good practice but here it is the |
| // only way to verify that the bug is fixed. |
| |
| test(() => { |
| try { |
| new ReadableStream({}, {highWaterMark: NaN}); |
| assert_unreached('constructing with invalid highWaterMark should throw'); |
| } catch (e) { |
| assert_equals( |
| e.message, |
| 'Failed to construct \'ReadableStream\': ' + |
| 'A queuing strategy\'s highWaterMark property must be a nonnegative,' + |
| ' non-NaN number', |
| 'message should be relevant'); |
| } |
| }, 'ReadableStream RangeError on invalid highWaterMark should have an ' + |
| 'appropriate message'); |
| |
| test(() => { |
| try { |
| new WritableStream({}, {highWaterMark: NaN}); |
| assert_unreached('constructing with invalid highWaterMark should throw'); |
| } catch (e) { |
| assert_equals( |
| e.message, |
| 'Failed to construct \'WritableStream\': ' + |
| 'A queuing strategy\'s highWaterMark property must be a nonnegative,' + |
| ' non-NaN number', |
| 'message should be relevant'); |
| } |
| }, 'WritableStream RangeError on invalid highWaterMark should have an ' + |
| 'appropriate message'); |
| </script> |
