Fix issue #1041. Handles {0} quantifier with max of zero correctly.

src/org/mozilla/javascript/regexp/NativeRegExp.java

@@ -2116,8 +2116,9 @@ && simpleMatch(gData, input, op, program, pc, end, false) < 0) {
                                     pc += getOffset(program, pc);
                                     break switchStatement;
                                 }
-                                if (state.min == 0 && gData.cp == state.index) {
-                                    // matched an empty string, that'll get us nowhere
+                                if (state.min == 0 && (gData.cp == state.index || state.max == 0)) {
+                                    // matched an empty string or an {0} quantifier, that'll get us
+                                    // nowhere
                                     result = false;
                                     continuationPc = state.continuationPc;
                                     continuationOp = state.continuationOp;

testsrc/org/mozilla/javascript/tests/Issue1041Test.java

@@ -0,0 +1,28 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.javascript.tests;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.mozilla.javascript.Context;
+import org.mozilla.javascript.ScriptableObject;
+
+public class Issue1041Test {
+    @Test
+    public void testQuantifierWithMax0() {
+        Context cx = Context.enter();
+        try {
+            ScriptableObject scope = cx.initStandardObjects();
+            Boolean result =
+                    (Boolean) cx.evaluateString(scope, "/ab{0}c/.test('abc')", "<eval>", 1, null);
+            Assert.assertFalse(result);
+
+            result = (Boolean) cx.evaluateString(scope, "/ab{0}c/.test('ac')", "<eval>", 1, null);
+            Assert.assertTrue(result);
+        } finally {
+            Context.exit();
+        }
+    }
+}