1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/latin1/index.js b/js/src/jit-test/tests/latin1/index.js
new file mode 100644
index 0000000000..4a8a930280
--- /dev/null
+++ b/js/src/jit-test/tests/latin1/index.js
@@ -0,0 +1,26 @@
+function test() {
+    var arr = new Int8Array(400);
+    var idx = "384";
+
+    arr[idx] = 9;
+    assertEq(arr[idx], 9);
+    arr[idx] = 10;
+    assertEq(arr[384], 10);
+
+    idx = "512";
+    assertEq(arr[idx], undefined);
+    assertEq(arr[(() => "byteLength")()], 400);
+
+    var o = {};
+    Object.defineProperty(o, idx, {value: 123});
+    assertEq(o[512], 123);
+
+    var propLatin1 = "foobar";
+    o[propLatin1] = 3;
+    assertEq(o.foobar, 3);
+
+    var propTwoByte = "foobar\u1200";
+    o[propTwoByte] = 4;
+    assertEq(o.foobar\u1200, 4);
+}
+test();