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-rw-r--r--js/xpconnect/tests/unit/test_bug1021312.js16
1 files changed, 16 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_bug1021312.js b/js/xpconnect/tests/unit/test_bug1021312.js
new file mode 100644
index 000000000..90009ed14
--- /dev/null
+++ b/js/xpconnect/tests/unit/test_bug1021312.js
@@ -0,0 +1,16 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const Cu = Components.utils;
+function run_test() {
+ let sb = new Cu.Sandbox(this);
+ var called = false;
+
+ Cu.exportFunction(function(str) { do_check_true(/someString/.test(str)); called = true; },
+ sb, { defineAs: "func" });
+ // Do something weird with the string to make sure that it doesn't get interned.
+ Cu.evalInSandbox("var str = 'someString'; for (var i = 0; i < 10; ++i) str += i;", sb);
+ Cu.evalInSandbox("func(str);", sb);
+ do_check_true(called);
+}