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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
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parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/arrays/slice-sparse-getter.js')
-rw-r--r--js/src/jit-test/tests/arrays/slice-sparse-getter.js12
1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/arrays/slice-sparse-getter.js b/js/src/jit-test/tests/arrays/slice-sparse-getter.js
new file mode 100644
index 000000000..9416349ce
--- /dev/null
+++ b/js/src/jit-test/tests/arrays/slice-sparse-getter.js
@@ -0,0 +1,12 @@
+// Indexed getters can add new properties that slice should not ignore.
+var arr = [];
+Object.defineProperty(arr, 10000, {get: function() {
+ arr[10001] = 4;
+ return 3;
+}});
+arr[10010] = 6;
+
+var res = arr.slice(8000);
+assertEq(res[2000], 3);
+assertEq(res[2001], 4);
+assertEq(res[2010], 6);