1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/S15.10.4.1_A2_T2.js b/js/src/tests/test262/built-ins/RegExp/S15.10.4.1_A2_T2.js
new file mode 100644
index 0000000000..16b8117f17
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/S15.10.4.1_A2_T2.js
@@ -0,0 +1,27 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    pattern is an object R whose [[Class]] property is "RegExp" and flags
+    is not undefined. If ToString(pattern) is not a valid flags arguments,
+    then throw a SyntaxError exception
+es5id: 15.10.4.1_A2_T2
+description: >
+    Checking if execution of "new RegExp(pattern, {})", where the
+    pattern is "/1?1/mig", fails
+---*/
+
+try {
+  throw new Test262Error('#1.1: new RegExp(/1?1/mig, {}) throw SyntaxError. Actual: ' + (new RegExp(/1?1/mig, {})));
+} catch (e) {
+  assert.sameValue(
+    e instanceof SyntaxError,
+    true,
+    'The result of evaluating (e instanceof SyntaxError) is expected to be true'
+  );
+}
+
+// TODO: Convert to assert.throws() format.
+
+reportCompare(0, 0);