diff options
Diffstat (limited to 'js/src/jit-test/tests/for-of/semantics-05.js')
| -rw-r--r-- | js/src/jit-test/tests/for-of/semantics-05.js | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/for-of/semantics-05.js b/js/src/jit-test/tests/for-of/semantics-05.js new file mode 100644 index 000000000..be5bd7f6e --- /dev/null +++ b/js/src/jit-test/tests/for-of/semantics-05.js @@ -0,0 +1,8 @@ +// Deleting String.prototype.iterator makes for-of stop working on strings. + +load(libdir + "asserts.js"); +load(libdir + "iteration.js"); + +delete String.prototype[Symbol.iterator]; +assertThrowsInstanceOf(function () { for (var v of "abc") ; }, TypeError); +assertThrowsInstanceOf(function () { for (var v of new String("abc")) ; }, TypeError); |