FYI: BufferedImage constructor tests

FYI: BufferedImage constructor tests

[David Gilbert]

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This patch (committed) adds some checks for the BufferedImage(int, int, 
int) constructor, to cover a fix I committed to GNU Classpath earlier today:

2006-07-11  David Gilbert  <david.gilbert@object-refinery.com>

    * gnu/testlet/java/awt/image/BufferedImage/constructors.java: New file.

Regards,

Dave

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Index: gnu/testlet/java/awt/image/BufferedImage/constructors.java
===================================================================
RCS file: gnu/testlet/java/awt/image/BufferedImage/constructors.java
diff -N gnu/testlet/java/awt/image/BufferedImage/constructors.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ gnu/testlet/java/awt/image/BufferedImage/constructors.java	11 Jul 2006 09:29:23 -0000
@@ -0,0 +1,115 @@
+/* constructors.java -- some checks for the constructors in the BufferedImage
+       class.
+   Copyright (C) 2006 David Gilbert <david.gilbert@object-refinery.com>
+This file is part of Mauve.
+
+Mauve is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+Mauve 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with Mauve; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+*/
+
+// Tags: JDK1.4
+
+package gnu.testlet.java.awt.image.BufferedImage;
+
+import gnu.testlet.TestHarness;
+import gnu.testlet.Testlet;
+
+import java.awt.color.ColorSpace;
+import java.awt.image.BufferedImage;
+import java.awt.image.ColorModel;
+import java.awt.image.ComponentColorModel;
+
+public class constructors implements Testlet 
+{
+  public void test(TestHarness harness)
+  {
+    testConstructor1(harness);
+    testConstructor2(harness);
+    testConstructor3(harness);
+  }
+ 
+  public void testConstructor1(TestHarness harness) 
+  {
+    harness.checkPoint("(int, int, int)");
+    
+    // TYPE_BYTE_GRAY
+    BufferedImage image = new BufferedImage(10, 20, 
+            BufferedImage.TYPE_BYTE_GRAY);
+    harness.check(image.getWidth(), 10);
+    harness.check(image.getHeight(), 20);
+    harness.check(image.getType(), BufferedImage.TYPE_BYTE_GRAY);
+    ColorModel cm = image.getColorModel();
+    harness.check(cm instanceof ComponentColorModel);
+    harness.check(cm.getColorSpace(), 
+            ColorSpace.getInstance(ColorSpace.CS_GRAY));
+    
+    // TYPE_USHORT_GRAY
+    image = new BufferedImage(10, 20, BufferedImage.TYPE_USHORT_GRAY);
+    harness.check(image.getWidth(), 10);
+    harness.check(image.getHeight(), 20);
+    harness.check(image.getType(), BufferedImage.TYPE_USHORT_GRAY);
+    cm = image.getColorModel();
+    harness.check(cm instanceof ComponentColorModel);
+    harness.check(cm.getColorSpace(), 
+            ColorSpace.getInstance(ColorSpace.CS_GRAY));
+    
+    // try zero width
+    boolean pass = false;
+    try
+    {
+      image = new BufferedImage(0, 20, BufferedImage.TYPE_BYTE_GRAY);
+    }
+    catch (IllegalArgumentException e) 
+    {
+      pass = true;
+    }
+    harness.check(pass);
+    
+    // try zero height
+    pass = false;
+    try
+    {
+      image = new BufferedImage(10, 0, BufferedImage.TYPE_BYTE_GRAY);
+    }
+    catch (IllegalArgumentException e) 
+    {
+      pass = true;
+    }
+    harness.check(pass);
+    
+    // try bad type
+    pass = false;
+    try
+    {
+      image = new BufferedImage(10, 20, 666);
+    }
+    catch (IllegalArgumentException e) 
+    {
+      pass = true;
+    }
+    harness.check(pass);
+  }
+  
+  public void testConstructor2(TestHarness harness) 
+  {
+    harness.checkPoint("(int, int, int, IndexColorModel)");
+  }
+  
+  public void testConstructor3(TestHarness harness) 
+  {
+    harness.checkPoint("(ColorModel, WritableRaster, boolean, Hashtable)");
+  }
+}