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Diffstat (limited to '')
| -rw-r--r-- | js/src/tests/non262/Tuple/from/arraylike-to-length-error.js | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/tests/non262/Tuple/from/arraylike-to-length-error.js b/js/src/tests/non262/Tuple/from/arraylike-to-length-error.js new file mode 100644 index 0000000000..fb1c20a5c8 --- /dev/null +++ b/js/src/tests/non262/Tuple/from/arraylike-to-length-error.js @@ -0,0 +1,17 @@ +// |reftest| skip-if(!this.hasOwnProperty("Tuple")) + +/* 9. Let len be ? LengthOfArrayLike(arrayLike). */ + +var arrayLike = { length: {} }; + +arrayLike.length = { + valueOf: function() { + throw new SyntaxError(); + } +}; + +assertThrowsInstanceOf(() => Tuple.from(arrayLike), + SyntaxError, "items has invalid length"); + +reportCompare(0, 0); + |