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test/org/apache/tomcat/util/scan/TestAbstractInputStreamJar.java

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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.tomcat.util.scan;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.InputStream;
+import java.net.URL;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import org.apache.catalina.util.IOTools;
+import org.apache.catalina.webresources.TomcatURLStreamHandlerFactory;
+import org.apache.tomcat.Jar;
+
+public class TestAbstractInputStreamJar {
+
+    @Before
+    public void register() {
+        TomcatURLStreamHandlerFactory.register();
+    }
+
+
+    @Test
+    public void testNestedJarGetInputStream() throws Exception {
+        File f = new File("test/webresources/war-url-connection.war");
+        StringBuilder sb = new StringBuilder("war:");
+        sb.append(f.toURI().toURL());
+        sb.append("*/WEB-INF/lib/test.jar");
+
+        Jar jar = JarFactory.newInstance(new URL(sb.toString()));
+
+        InputStream is1 = jar.getInputStream("META-INF/resources/index.html");
+        ByteArrayOutputStream baos1 = new ByteArrayOutputStream();
+        IOTools.flow(is1, baos1);
+
+        InputStream is2 = jar.getInputStream("META-INF/resources/index.html");
+        ByteArrayOutputStream baos2 = new ByteArrayOutputStream();
+        IOTools.flow(is2, baos2);
+
+        Assert.assertArrayEquals(baos1.toByteArray(), baos2.toByteArray());
+    }
+}