--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/aot/jdk.tools.jaotc.test/src/jdk/tools/jaotc/test/collect/jar/JarSourceProviderTest.java	Thu Jan 05 08:37:10 2017 +0100
@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2017, 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.
+ */
+package jdk.tools.jaotc.test.collect.jar;
+
+import jdk.tools.jaotc.collect.ClassSource;
+import jdk.tools.jaotc.test.collect.FakeFileSupport;
+import jdk.tools.jaotc.test.collect.FakeSearchPath;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.ProviderNotFoundException;
+import java.util.Set;
+
+import static jdk.tools.jaotc.test.collect.Utils.set;
+
+public class JarSourceProviderTest {
+
+    private FakeFileSupport fileSupport;
+    private JarSourceProvider target;
+
+    @Before
+    public void setUp() throws Exception {
+        fileSupport = new FakeFileSupport(set(), set());
+        target = new JarSourceProvider(fileSupport);
+    }
+
+    @Test
+    public void itShouldUseSearchPathToFindPath() {
+        Set<String> visited = set();
+        JarSourceProvider target = new JarSourceProvider(fileSupport);
+        FakeSearchPath searchPath = new FakeSearchPath(null);
+        ClassSource source = target.findSource("hello", searchPath);
+
+        Assert.assertEquals(set("hello"), searchPath.entries);
+    }
+
+    @Test
+    public void itShouldReturnNullIfPathIsNull() {
+        JarSourceProvider target = new JarSourceProvider(fileSupport);
+        ClassSource source = target.findSource("foobar", new FakeSearchPath(null));
+        Assert.assertNull(source);
+    }
+
+    @Test
+    public void itShouldReturnNullIfPathIsDirectory() {
+        fileSupport.addDirectory("hello/foobar");
+        ClassSource source = target.findSource("foobar", new FakeSearchPath("hello/foobar"));
+
+        Assert.assertNull(source);
+        Assert.assertEquals(set("hello/foobar"), fileSupport.getCheckedDirectory());
+    }
+
+    @Test
+    public void itShouldReturnNullIfUnableToMakeJarFileSystem() {
+        fileSupport.setJarFileSystemRoot(null);
+        ClassSource result = target.findSource("foobar", new FakeSearchPath("foo/bar"));
+
+        Assert.assertEquals(set("foo/bar"), fileSupport.getCheckedJarFileSystemRoots());
+        Assert.assertNull(result);
+    }
+
+    @Test
+    public void itShouldReturnNullIfNotValidJarProvider() {
+        fileSupport = new FakeFileSupport(set(), set()) {
+
+            @Override
+            public Path getJarFileSystemRoot(Path jarFile) {
+                super.getJarFileSystemRoot(jarFile);
+                throw new ProviderNotFoundException();
+            }
+        };
+        fileSupport.setJarFileSystemRoot(null);
+        target = new JarSourceProvider(fileSupport);
+
+        ClassSource result = target.findSource("foobar", new FakeSearchPath("foo/bar"));
+
+        Assert.assertEquals(set("foo/bar"), fileSupport.getCheckedJarFileSystemRoots());
+        Assert.assertNull(result);
+    }
+
+    @Test
+    public void itShouldReturnSourceWhenAllIsValid() {
+        fileSupport.setJarFileSystemRoot(Paths.get("some/bar"));
+        ClassSource result = target.findSource("foobar", new FakeSearchPath("this/bar"));
+
+        Assert.assertEquals(set("this/bar"), fileSupport.getClassloaderPaths());
+        Assert.assertEquals("jar:this/bar", result.toString());
+    }
+}