diff --git a/test/src/test/java/scripts/BehaviorTest.java b/test/src/test/java/scripts/BehaviorTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..08621675f67fcc097f1634af6b50dc8cfd2488a8
--- /dev/null
+++ b/test/src/test/java/scripts/BehaviorTest.java
@@ -0,0 +1,43 @@
+/*
+ * The MIT License
+ *
+ * Copyright (c) 2011, CloudBees, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package scripts;
+
+import com.gargoylesoftware.htmlunit.ScriptResult;
+import com.gargoylesoftware.htmlunit.html.HtmlPage;
+import org.jvnet.hudson.test.HudsonTestCase;
+
+/**
+ * @author Kohsuke Kawaguchi
+ */
+public class BehaviorTest extends HudsonTestCase {
+    public void testCssSelectors() throws Exception {
+        HtmlPage p = createWebClient().goTo("self/testCssSelectors");
+        assertEquals(2,asInt(p.executeJavaScript("findElementsBySelector($('test1'),'.a',true).length")));
+        assertEquals(1,asInt(p.executeJavaScript("findElementsBySelector($('test1'),'.a',false).length")));
+    }
+
+    private int asInt(ScriptResult r) {
+        return ((Double)r.getJavaScriptResult()).intValue();
+    }
+}
diff --git a/test/src/test/java/scripts/package-info.java b/test/src/test/java/scripts/package-info.java
new file mode 100644
index 0000000000000000000000000000000000000000..8b419d90ea216bc92cd486436e6f9823b3b6525a
--- /dev/null
+++ b/test/src/test/java/scripts/package-info.java
@@ -0,0 +1,4 @@
+/**
+ * Tests the JavaScript code.
+ */
+package scripts;
\ No newline at end of file
diff --git a/test/src/test/resources/scripts/BehaviorTest/testCssSelectors.jelly b/test/src/test/resources/scripts/BehaviorTest/testCssSelectors.jelly
new file mode 100644
index 0000000000000000000000000000000000000000..e8a4d236fe9be5656a069c99aa0d67d18c0bb36b
--- /dev/null
+++ b/test/src/test/resources/scripts/BehaviorTest/testCssSelectors.jelly
@@ -0,0 +1,36 @@
+<!--
+The MIT License
+
+Copyright (c) 2011, CloudBees, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+-->
+
+<!--
+  Config page
+-->
+<j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form">
+<l:layout title="Testing the effect of validateButton">
+  <l:main-panel>
+    <div id="test1" class="a">
+      <div class="a" />
+    </div>
+  </l:main-panel>
+</l:layout>
+</j:jelly>