8321616: Retire binary test vectors in test/jdk/java/util/zip/ZipFile

8322830: Add test case for ZipFile opening a ZIP with no entries

Backport-of: 26de9e247a6ed1c0b8b247d77514ed16905d7c48

test/jdk/java/util/zip/ZipFile/EnumerateAfterClose.java

@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2000, 2024, 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.
+ */
+
+/* @test
+   @bug 4290060
+   @summary Check if the zip file is closed before access any
+            elements in the Enumeration.
+   @run junit EnumerateAfterClose
+ */
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Enumeration;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+import java.util.zip.ZipOutputStream;
+
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+public class EnumerateAfterClose {
+
+    // ZIP file used in this test
+    private Path zip = Path.of("enum-after-close.zip");
+
+    /**
+     * Create a sample ZIP file for use by this test
+     * @throws IOException if an unexpected IOException occurs
+     */
+    @BeforeEach
+    public void setUp() throws IOException {
+        try (OutputStream out = Files.newOutputStream(zip);
+             ZipOutputStream zo = new ZipOutputStream(out)) {
+            zo.putNextEntry(new ZipEntry("file.txt"));
+            zo.write("hello".getBytes(StandardCharsets.UTF_8));
+        }
+    }
+
+    /**
+     * Delete the ZIP file produced by this test
+     * @throws IOException if an unexpected IOException occurs
+     */
+    @AfterEach
+    public void cleanup() throws IOException {
+        Files.deleteIfExists(zip);
+    }
+
+    /**
+     * Attempting to using a ZipEntry Enumeration after its backing
+     * ZipFile is closed should throw IllegalStateException.
+     *
+     * @throws IOException if an unexpected IOException occurs
+     */
+    @Test
+    public void enumeratingAfterCloseShouldThrowISE() throws IOException {
+        // Retain a reference to an enumeration backed by a closed ZipFile
+        Enumeration e;
+        try (ZipFile zf = new ZipFile(zip.toFile())) {
+            e = zf.entries();
+        }
+        // Using the enumeration after the ZipFile is closed should throw ISE
+        assertThrows(IllegalStateException.class, () -> {
+            if (e.hasMoreElements()) {
+                ZipEntry ze = (ZipEntry)e.nextElement();
+            }
+        });
+    }
+}

test/jdk/java/util/zip/ZipFile/FinalizeInflater.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2024, 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
@@ -24,20 +24,64 @@
 /* @test
    @bug 7003462
    @summary Make sure cached Inflater does not get finalized.
+   @run junit FinalizeInflater
  */
 
-import java.io.File;
-import java.io.InputStream;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
 import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
+import java.util.zip.ZipOutputStream;
 
 public class FinalizeInflater {
 
-    public static void main(String[] args) throws Throwable {
-        try (ZipFile zf = new ZipFile(new File(System.getProperty("test.src", "."), "input.zip")))
-        {
-            ZipEntry ze = zf.getEntry("ReadZip.java");
+    // ZIP file produced by this test
+    private Path zip = Path.of("finalize-inflater.zip");
+
+    /**
+     * Create the sample ZIP used in this test
+     *
+     * @throws IOException if an unexpected IOException occurs
+     */
+    @BeforeEach
+    public void setUp() throws IOException {
+        try (OutputStream out = Files.newOutputStream(zip);
+             ZipOutputStream zo = new ZipOutputStream(out)) {
+            zo.putNextEntry(new ZipEntry("file.txt"));
+            byte[] hello = "hello".getBytes(StandardCharsets.UTF_8);
+            for (int i = 0; i < 100; i++) {
+                zo.write(hello);
+            }
+        }
+    }
+
+    /**
+     * Delete the ZIP file produced by this test
+     *
+     * @throws IOException if an unexpected IOException occurs
+     */
+    @AfterEach
+    public void cleanup() throws IOException {
+        Files.deleteIfExists(zip);
+    }
+
+    /**
+     * A cached Inflater should not be made invalid by finalization
+     *
+     * @throws IOException if an unexpected IOException occurs
+     */
+    @Test
+    public void shouldNotFinalizeInflaterInPool() throws IOException {
+        try (ZipFile zf = new ZipFile(zip.toFile())) {
+            ZipEntry ze = zf.getEntry("file.txt");
             read(zf.getInputStream(ze));
             System.gc();
             System.runFinalization();
@@ -51,15 +95,10 @@ private static void read(InputStream is)
         throws IOException
     {
         Wrapper wrapper = new Wrapper(is);
-        byte[] buffer = new byte[32];
-        try {
-            while(is.read(buffer)>0){}
-        } catch (IOException ioe) {
-            ioe.printStackTrace();
-        }
+        is.readAllBytes();
     }
 
-    static class Wrapper{
+    static class Wrapper {
         InputStream is;
         public Wrapper(InputStream is) {
             this.is = is;