From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 js/src/tests/ecma_6/RegExp/constructor-regexp.js | 61 ++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 js/src/tests/ecma_6/RegExp/constructor-regexp.js

(limited to 'js/src/tests/ecma_6/RegExp/constructor-regexp.js')

diff --git a/js/src/tests/ecma_6/RegExp/constructor-regexp.js b/js/src/tests/ecma_6/RegExp/constructor-regexp.js
new file mode 100644
index 000000000..419b02713
--- /dev/null
+++ b/js/src/tests/ecma_6/RegExp/constructor-regexp.js
@@ -0,0 +1,61 @@
+var BUGNUMBER = 1130860;
+var summary = "RegExp constructor shouldn't invoke source/flags getters on argument RegExp instance.";
+
+print(BUGNUMBER + ": " + summary);
+
+// same-compartment
+var a = /foo/;
+var flagsCalled = false;
+var sourceCalled = false;
+Object.defineProperty(a, "source", { get: () => {
+  sourceCalled = true;
+  return "bar";
+}});
+Object.defineProperty(a, "flags", { get: () => {
+  flagsCalled = true;
+  return "i";
+}});
+
+assertEq(a.source, "bar");
+assertEq(a.flags, "i");
+assertEq(sourceCalled, true);
+assertEq(flagsCalled, true);
+
+sourceCalled = false;
+flagsCalled = false;
+assertEq(new RegExp(a).source, "foo");
+assertEq(sourceCalled, false);
+assertEq(flagsCalled, false);
+
+// cross-compartment
+var g = newGlobal();
+var b = g.eval(`
+var b = /foo2/;
+var flagsCalled = false;
+var sourceCalled = false;
+Object.defineProperty(b, "source", { get: () => {
+  sourceCalled = true;
+  return "bar2";
+}});
+Object.defineProperty(b, "flags", { get: () => {
+  flagsCalled = true;
+  return "i";
+}});
+b;
+`);
+
+assertEq(b.source, "bar2");
+assertEq(b.flags, "i");
+assertEq(g.eval("sourceCalled;"), true);
+assertEq(g.eval("flagsCalled;"), true);
+
+g.eval(`
+sourceCalled = false;
+flagsCalled = false;
+`);
+assertEq(new RegExp(b).source, "foo2");
+assertEq(g.eval("sourceCalled;"), false);
+assertEq(g.eval("flagsCalled;"), false);
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);
-- 
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