1 files changed, 81 insertions, 0 deletions
diff --git a/src/test/java/org/apache/commons/compress/archivers/ExceptionMessageTest.java b/src/test/java/org/apache/commons/compress/archivers/ExceptionMessageTest.java
new file mode 100644
index 000000000..e64d79265
--- /dev/null
+++ b/src/test/java/org/apache/commons/compress/archivers/ExceptionMessageTest.java
@@ -0,0 +1,81 @@
+package org.apache.commons.compress.archivers;
+
+import static org.junit.Assert.*;
+import org.junit.Test;
+
+/*
+ * 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.
+ */
+public class ExceptionMessageTest {
+
+    private static final String ARCHIVER_NULL_MESSAGE = "Archivername must not be null.";
+
+    private static final String INPUTSTREAM_NULL_MESSAGE = "InputStream must not be null.";
+
+    private static final String OUTPUTSTREAM_NULL_MESSAGE = "OutputStream must not be null.";
+
+
+    @Test
+    public void testMessageWhenArchiverNameIsNull_1(){
+        try{
+            new ArchiveStreamFactory().createArchiveInputStream(null, System.in);
+            fail("Should raise an IllegalArgumentException.");
+        }catch (final IllegalArgumentException e) {
+            assertEquals(ARCHIVER_NULL_MESSAGE, e.getMessage());
+        } catch (final ArchiveException e) {
+            fail("ArchiveException not expected");
+        }
+    }
+
+    @Test
+    public void testMessageWhenInputStreamIsNull(){
+        try{
+            new ArchiveStreamFactory().createArchiveInputStream("zip", null);
+            fail("Should raise an IllegalArgumentException.");
+        }catch (final IllegalArgumentException e) {
+            assertEquals(INPUTSTREAM_NULL_MESSAGE, e.getMessage());
+        } catch (final ArchiveException e) {
+            fail("ArchiveException not expected");
+        }
+    }
+
+    @Test
+    public void testMessageWhenArchiverNameIsNull_2(){
+        try{
+            new ArchiveStreamFactory().createArchiveOutputStream(null, System.out);
+            fail("Should raise an IllegalArgumentException.");
+        } catch (final IllegalArgumentException e) {
+            assertEquals(ARCHIVER_NULL_MESSAGE, e.getMessage());
+        } catch (final ArchiveException e){
+            fail("ArchiveException not expected");
+        }
+    }
+
+    @Test
+    public void testMessageWhenOutputStreamIsNull(){
+        try{
+            new ArchiveStreamFactory().createArchiveOutputStream("zip", null);
+            fail("Should raise an IllegalArgumentException.");
+        } catch (final IllegalArgumentException e) {
+            assertEquals(OUTPUTSTREAM_NULL_MESSAGE, e.getMessage());
+        } catch (final ArchiveException e) {
+            fail("ArchiveException not expected");
+        }
+    }
+
+}
+\ No newline at end of file