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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /js/src/jit-test/tests/arrays/setelem-one-past-nonwritable-length.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/arrays/setelem-one-past-nonwritable-length.js')
-rw-r--r--js/src/jit-test/tests/arrays/setelem-one-past-nonwritable-length.js20
1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/arrays/setelem-one-past-nonwritable-length.js b/js/src/jit-test/tests/arrays/setelem-one-past-nonwritable-length.js
new file mode 100644
index 000000000..7ea5971c0
--- /dev/null
+++ b/js/src/jit-test/tests/arrays/setelem-one-past-nonwritable-length.js
@@ -0,0 +1,20 @@
+function f(arr, i, v)
+{
+ arr[i] = v;
+}
+
+function test()
+{
+ // Use a much-greater capacity than the eventual non-writable length.
+ var a = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15];
+ Object.defineProperty(a, "length", { writable: false, value: 6 });
+
+ for (var i = 0; i < 100; i++)
+ f(a, a.length, i);
+
+ assertEq(a.hasOwnProperty(6), false);
+ assertEq(a[6], undefined);
+ assertEq(a.length, 6);
+}
+
+test();