1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/non262/RegExp/test-trailing.js b/js/src/tests/non262/RegExp/test-trailing.js
new file mode 100644
index 0000000000..7cb910ee62
--- /dev/null
+++ b/js/src/tests/non262/RegExp/test-trailing.js
@@ -0,0 +1,31 @@
+var BUGNUMBER = 1304737;
+var summary = "Trailing .* should not be ignored on matchOnly match.";
+
+print(BUGNUMBER + ": " + summary);
+
+function test(r, lastIndexIsZero) {
+    r.lastIndex = 0;
+    r.test("foo");
+    assertEq(r.lastIndex, lastIndexIsZero ? 0 : 3);
+
+    r.lastIndex = 0;
+    r.test("foo\nbar");
+    assertEq(r.lastIndex, lastIndexIsZero ? 0 : 3);
+
+    var input = "foo" + ".bar".repeat(20000);
+    r.lastIndex = 0;
+    r.test(input);
+    assertEq(r.lastIndex, lastIndexIsZero ? 0 : input.length);
+
+    r.lastIndex = 0;
+    r.test(input + "\nbaz");
+    assertEq(r.lastIndex, lastIndexIsZero ? 0 : input.length);
+}
+
+test(/f.*/, true);
+test(/f.*/g, false);
+test(/f.*/y, false);
+test(/f.*/gy, false);
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);