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-rw-r--r--js/xpconnect/tests/unit/test_bug853709.js30
1 files changed, 30 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_bug853709.js b/js/xpconnect/tests/unit/test_bug853709.js
new file mode 100644
index 0000000000..a59d4707bf
--- /dev/null
+++ b/js/xpconnect/tests/unit/test_bug853709.js
@@ -0,0 +1,30 @@
+function setupChromeSandbox() {
+ this.chromeObj = {a: 2 };
+ this.chromeArr = [4, 2, 1];
+}
+
+function checkDefineThrows(sb, obj, prop, desc) {
+ var result = Cu.evalInSandbox('(function() { try { Object.defineProperty(' + obj + ', "' + prop + '", ' + desc.toSource() + '); return "nothrow"; } catch (e) { return e.toString(); }})();', sb);
+ Assert.notEqual(result, 'nothrow');
+ Assert.ok(!!/denied|prohibited/.exec(result));
+ Assert.ok(result.includes(prop)); // Make sure the prop name is in the error message.
+}
+
+function run_test() {
+ var chromeSB = new Cu.Sandbox(this);
+ var contentSB = new Cu.Sandbox('http://www.example.org');
+ Cu.evalInSandbox('(' + setupChromeSandbox.toSource() + ')()', chromeSB);
+ contentSB.chromeObj = chromeSB.chromeObj;
+ contentSB.chromeArr = chromeSB.chromeArr;
+
+ Assert.equal(Cu.evalInSandbox('chromeObj.a', contentSB), undefined);
+ try {
+ Cu.evalInSandbox('chromeArr[1]', contentSB);
+ Assert.ok(false);
+ } catch (e) { Assert.ok(/denied|insecure/.test(e)); }
+
+ checkDefineThrows(contentSB, 'chromeObj', 'a', {get: function() { return 2; }});
+ checkDefineThrows(contentSB, 'chromeObj', 'a', {configurable: true, get: function() { return 2; }});
+ checkDefineThrows(contentSB, 'chromeObj', 'b', {configurable: true, get: function() { return 2; }, set: function() {}});
+ checkDefineThrows(contentSB, 'chromeArr', '1', {configurable: true, get: function() { return 2; }});
+}