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Diffstat (limited to 'test/parallel/test-stream-inheritance.js')
| -rw-r--r-- | test/parallel/test-stream-inheritance.js | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/test/parallel/test-stream-inheritance.js b/test/parallel/test-stream-inheritance.js index 2d9a1e83ef..a687ea9da0 100644 --- a/test/parallel/test-stream-inheritance.js +++ b/test/parallel/test-stream-inheritance.js @@ -56,3 +56,8 @@ common.expectsError( message: 'undefined does not inherit from CustomWritable' } ); + +class OtherCustomWritable extends Writable {} + +assert(!(new OtherCustomWritable() instanceof CustomWritable)); +assert(!(new CustomWritable() instanceof OtherCustomWritable)); |