1 files changed, 86 insertions, 0 deletions
diff --git a/js/src/tests/non262/RegExp/constructor-IsRegExp.js b/js/src/tests/non262/RegExp/constructor-IsRegExp.js
new file mode 100644
index 0000000000..8c735e4b97
--- /dev/null
+++ b/js/src/tests/non262/RegExp/constructor-IsRegExp.js
@@ -0,0 +1,86 @@
+var BUGNUMBER = 1147817;
+var summary = "RegExp constructor with pattern with @@match.";
+
+print(BUGNUMBER + ": " + summary);
+
+var matchValue;
+var constructorValue;
+
+var matchGet;
+var constructorGet;
+var sourceGet;
+var flagsGet;
+function reset() {
+  matchGet = false;
+  constructorGet = false;
+  sourceGet = false;
+  flagsGet = false;
+}
+var obj = {
+  get [Symbol.match]() {
+    matchGet = true;
+    return matchValue;
+  },
+  get constructor() {
+    constructorGet = true;
+    return constructorValue;
+  },
+  get source() {
+    sourceGet = true;
+    return "foo";
+  },
+  get flags() {
+    flagsGet = true;
+    return "i";
+  },
+  toString() {
+    return "bar";
+  }
+};
+
+matchValue = true;
+constructorValue = function() {};
+
+reset();
+assertEq(RegExp(obj).toString(), "/foo/i");
+assertEq(matchGet, true);
+assertEq(constructorGet, true);
+assertEq(sourceGet, true);
+assertEq(flagsGet, true);
+
+reset();
+assertEq(RegExp(obj, "g").toString(), "/foo/g");
+assertEq(matchGet, true);
+assertEq(constructorGet, false);
+assertEq(sourceGet, true);
+assertEq(flagsGet, false);
+
+matchValue = false;
+constructorValue = function() {};
+
+reset();
+assertEq(RegExp(obj).toString(), "/bar/");
+assertEq(matchGet, true);
+assertEq(constructorGet, false);
+assertEq(sourceGet, false);
+assertEq(flagsGet, false);
+
+reset();
+assertEq(RegExp(obj, "g").toString(), "/bar/g");
+assertEq(matchGet, true);
+assertEq(constructorGet, false);
+assertEq(sourceGet, false);
+assertEq(flagsGet, false);
+
+matchValue = true;
+constructorValue = RegExp;
+
+reset();
+assertEq(RegExp(obj), obj);
+assertEq(matchGet, true);
+assertEq(constructorGet, true);
+assertEq(sourceGet, false);
+assertEq(flagsGet, false);
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);