test/jdk/javax/imageio/WriteNullImageTest.java
changeset 47216 71c04702a3d5
parent 45351 f7f615a3aaff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/javax/imageio/WriteNullImageTest.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2003, 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.
+ */
+
+/*
+ * @test
+ * @bug 4954545
+ * @summary This test verifies whether the ImageWriter implementations throw
+ *          IllegalArgumentException when a null image is passed to the write
+ *          method. This is tested for all the image writers available with the
+ *          IIORegistry.
+ */
+
+import java.io.FileOutputStream;
+import java.util.Iterator;
+
+import javax.imageio.ImageIO;
+import javax.imageio.ImageWriter;
+import javax.imageio.spi.IIORegistry;
+import javax.imageio.spi.ImageWriterSpi;
+import javax.imageio.stream.ImageOutputStream;
+
+public class WriteNullImageTest {
+
+    public WriteNullImageTest() {
+        boolean testFailed = false;
+        String failMsg = "FAIL: IllegalArgumentException is not thrown by the " +
+            "ImageWriter when the image passed to the write() method is " +
+            "null, for the image formats: ";
+
+        try {
+            IIORegistry reg = IIORegistry.getDefaultInstance();
+            ImageWriter writer = null;
+            Iterator writerSpiIter = reg.getServiceProviders(ImageWriterSpi.class, true);
+
+            while (writerSpiIter.hasNext()) {
+                ImageWriterSpi writerSpi = (ImageWriterSpi) writerSpiIter.next();
+                writer = writerSpi.createWriterInstance();
+                String names[] = writerSpi.getFormatNames();
+
+                FileOutputStream fos = new FileOutputStream("temp");
+                ImageOutputStream ios = ImageIO.createImageOutputStream(fos);
+                writer.setOutput(ios);
+
+                try {
+                    writer.write(null, null, null);
+                } catch (IllegalArgumentException iae) {
+                    System.out.println("PASS: Expected exception is thrown when null img is passed " +
+                                       "to the write method, for the image format: " + names[0]);
+                    System.out.println("\n");
+                } catch (Exception e) {
+                    testFailed = true;
+                    failMsg = failMsg + names[0] + ", ";
+                }
+            }
+
+        } catch (Exception e) {
+            testFailed = true;
+            throw new RuntimeException("Test Failed. Exception thrown: " + e.toString());
+        }
+        if (testFailed) {
+            failMsg = failMsg.substring(0, failMsg.lastIndexOf(","));
+            throw new RuntimeException(failMsg);
+        }
+    }
+
+    public static void main(String args[]) {
+        WriteNullImageTest test = new WriteNullImageTest();
+    }
+}