1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/tests/non262/RegExp/flags-param-handling.js b/js/src/tests/non262/RegExp/flags-param-handling.js
new file mode 100644
index 0000000000..e47799601a
--- /dev/null
+++ b/js/src/tests/non262/RegExp/flags-param-handling.js
@@ -0,0 +1,18 @@
+assertEq(RegExp(/foo/my).flags, "my");
+assertEq(RegExp(/foo/, "gi").flags, "gi");
+assertEq(RegExp(/foo/my, "gi").flags, "gi");
+assertEq(RegExp(/foo/my, "").flags, "");
+assertEq(RegExp(/foo/my, undefined).flags, "my");
+assertThrowsInstanceOf(() => RegExp(/foo/my, null), SyntaxError);
+assertThrowsInstanceOf(() => RegExp(/foo/my, "foo"), SyntaxError);
+
+assertEq(/a/.compile("b", "gi").flags, "gi");
+assertEq(/a/.compile(/b/my).flags, "my");
+assertEq(/a/.compile(/b/my, undefined).flags, "my");
+assertThrowsInstanceOf(() => /a/.compile(/b/my, "gi"), TypeError);
+assertThrowsInstanceOf(() => /a/.compile(/b/my, ""), TypeError);
+assertThrowsInstanceOf(() => /a/.compile(/b/my, null), TypeError);
+assertThrowsInstanceOf(() => /a/.compile(/b/my, "foo"), TypeError);
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);