--- /dev/null	2016-10-26 14:59:28.000000000 -0700
+++ new/test/tools/launcher/modules/classpath/JavaClassPathTest.java	2016-10-26 14:59:28.000000000 -0700
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+import jdk.testlibrary.JDKToolFinder;
+import jdk.testlibrary.OutputAnalyzer;
+import jdk.testlibrary.ProcessTools;
+import org.testng.annotations.BeforeTest;
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+
+import static org.testng.Assert.assertTrue;
+
+/**
+ * @test
+ * @bug 8168205
+ * @summary Test the default class path if -Djava.class.path is set
+ * @library /lib/testlibrary
+ * @modules jdk.compiler
+ * @build CompilerUtils jdk.testlibrary.*
+ * @run testng JavaClassPathTest
+ */
+
+public class JavaClassPathTest {
+    private static String JAVA_TOOL = JDKToolFinder.getJDKTool("java");
+
+    private static final Path SRC_DIR = Paths.get(System.getProperty("test.src"),
+                                                  "src");
+    private static final Path MODS_DIR = Paths.get("mods");
+    private static final String TEST_MODULE = "m";
+    private static final String TEST_MAIN = "jdk.test.Main";
+
+    @BeforeTest
+    public void setup() throws Exception {
+        boolean compiled = CompilerUtils.compile(SRC_DIR.resolve(TEST_MODULE),
+                                                 MODS_DIR.resolve(TEST_MODULE));
+        assertTrue(compiled, "module " + TEST_MODULE + " did not compile");
+
+        // add the class and a resource to the current working directory
+        Path file = Paths.get("jdk/test/Main.class");
+        Files.createDirectories(file.getParent());
+        Files.copy(MODS_DIR.resolve(TEST_MODULE).resolve(file), file);
+
+        Path res = Paths.get("jdk/test/res.properties");
+        Files.createFile(res);
+    }
+
+    @DataProvider(name = "classpath")
+    public Object[][] classpath() {
+        return new Object[][]{
+            // true indicates that class path default to current working directory
+            { "",                              true  },
+            { "-Djava.class.path",             true  },
+            { "-Djava.class.path=",            true  },
+            { "-Djava.class.path=.",           true  },
+        };
+    }
+
+    @Test(dataProvider = "classpath")
+    public void testUnnamedModule(String option, boolean expected) throws Throwable {
+
+        List<String> cmds = new ArrayList<>();
+        cmds.add(JAVA_TOOL);
+        if (!option.isEmpty()) {
+            cmds.add(option);
+        }
+        cmds.add(TEST_MAIN);
+        cmds.add(Boolean.toString(expected));
+
+        assertTrue(execute(cmds).getExitValue() == 0);
+    }
+
+    @DataProvider(name = "moduleAndClassPath")
+    public Object[][] moduleAndClassPath() {
+        return new Object[][]{
+            // true indicates that class path default to current working directory
+            { "",                              false  },
+            { "-Djava.class.path",             false  },
+            { "-Djava.class.path=",            false  },
+            { "-Djava.class.path=.",           true   },
+        };
+    }
+
+    @Test(dataProvider = "moduleAndClassPath")
+    public void testNamedModule(String option, boolean expected) throws Throwable {
+        String javapath = JDKToolFinder.getJDKTool("java");
+
+        List<String> cmds = new ArrayList<>();
+        cmds.add(javapath);
+        if (!option.isEmpty()) {
+            cmds.add(option);
+        }
+        cmds.add("--module-path");
+        cmds.add(MODS_DIR.toString());
+        cmds.add("-m");
+        cmds.add(TEST_MODULE + "/" + TEST_MAIN);
+        cmds.add(Boolean.toString(expected));
+
+        assertTrue(execute(cmds).getExitValue() == 0);
+    }
+
+    private OutputAnalyzer execute(List<String> cmds) throws Throwable {
+        ProcessBuilder pb = new ProcessBuilder(cmds);
+        Map<String,String> env = pb.environment();
+        // remove CLASSPATH environment variable
+        String value = env.remove("CLASSPATH");
+        return ProcessTools.executeCommand(pb)
+                           .outputTo(System.out)
+                           .errorTo(System.out);
+    }
+
+}