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-rw-r--r--js/src/tests/non262/RegExp/constructor-ordering-2.js21
1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/non262/RegExp/constructor-ordering-2.js b/js/src/tests/non262/RegExp/constructor-ordering-2.js
new file mode 100644
index 0000000000..21a6bbeca7
--- /dev/null
+++ b/js/src/tests/non262/RegExp/constructor-ordering-2.js
@@ -0,0 +1,21 @@
+// Make sure that we don't ToString the second argument until /after/ doing
+// the appropriate subclassing lookups
+
+var didLookup = false;
+
+var re = /a/;
+var flags = { toString() { assertEq(didLookup, true); return "g"; } };
+var newRe = Reflect.construct(RegExp, [re, flags],
+ Object.defineProperty(function(){}.bind(null), "prototype", {
+ get() {
+ didLookup = true;
+ return RegExp.prototype;
+ }
+}));
+
+assertEq(Object.getPrototypeOf(newRe), RegExp.prototype);
+assertEq(didLookup, true);
+
+
+if (typeof reportCompare === 'function')
+ reportCompare(0,0,"OK");