Added unit test for bug 417; bug already gone

I added a unit test for bug 417 (error loading grayscale texture
with TextureIO). The test works fine, so the bug must have been
fixed unknowingly after submission.

3 files changed, 150 insertions, 1 deletions

diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/texture/TestGrayTextureFromFileAWTBug417.java b/src/test/com/jogamp/opengl/test/junit/jogl/texture/TestGrayTextureFromFileAWTBug417.java
new file mode 100644
index 000000000..8b47d5598
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/texture/TestGrayTextureFromFileAWTBug417.java
@@ -0,0 +1,146 @@
+/**
+ * Copyright 2010 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+ 
+package com.jogamp.opengl.test.junit.jogl.texture;
+
+import com.jogamp.opengl.test.junit.jogl.util.texture.gl2.TextureGL2ListenerDraw1;
+
+import com.jogamp.opengl.test.junit.util.UITestCase;
+
+import javax.imageio.ImageIO;
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLException;
+import javax.media.opengl.GLProfile;
+import javax.media.opengl.GLCapabilities;
+import javax.media.opengl.awt.GLCanvas;
+import com.jogamp.opengl.util.texture.TextureData;
+import com.jogamp.opengl.util.texture.TextureIO;
+import com.jogamp.opengl.util.texture.awt.AWTTextureIO;
+import com.jogamp.opengl.util.Animator;
+
+import java.awt.Frame;
+import java.awt.image.BufferedImage;
+
+import java.io.File;
+import java.io.IOException;
+import org.junit.Assert;
+import org.junit.After;
+import org.junit.Assume;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+/**
+ * Unit test for bug 417, which shows a GLException when reading a grayscale texture.
+ * Couldn't duplicate the failure, so it must have been fixed unknowingly sometime
+ * after the bug was submitted.
+ * @author Wade Walker
+ */
+public class TestGrayTextureFromFileAWTBug417 extends UITestCase {
+    static GLProfile glp;
+    static GLCapabilities caps;
+    File textureFile;
+
+    @BeforeClass
+    public static void initClass() {
+        GLProfile.initSingleton(true);
+        glp = GLProfile.get(GLProfile.GL2GL3);
+        Assert.assertNotNull(glp);
+        caps = new GLCapabilities(glp);
+        Assert.assertNotNull(caps);
+    }
+
+    @Before
+    public void initTest() {
+        textureFile = new File( "src/test/com/jogamp/opengl/test/junit/jogl/texture/grayscale_texture.png" );
+        Assert.assertNotNull(textureFile);
+    }
+
+    @After
+    public void cleanupTest() {
+        textureFile=null;
+    }
+
+    @Test
+    public void test1() throws InterruptedException {
+        GLCanvas glCanvas = new GLCanvas(caps);
+
+        Frame frame = new Frame("Texture Test");
+        Assert.assertNotNull(frame);
+        frame.add(glCanvas);
+        frame.setSize( 256, 128 );
+
+        // load texture from file inside current GL context to match the way
+        // the bug submitter was doing it
+        glCanvas.addGLEventListener(new TextureGL2ListenerDraw1( null ) {
+            @Override
+            public void init(GLAutoDrawable drawable) {
+                try {
+                    setTexture( TextureIO.newTexture( textureFile, true ) );
+                }
+                catch(GLException glexception) {
+                    glexception.printStackTrace();
+                    Assume.assumeNoException(glexception);
+                }
+                catch(IOException ioexception) {
+                    ioexception.printStackTrace();
+                    Assume.assumeNoException(ioexception);
+                }
+            }
+        });
+
+        Animator animator = new Animator(glCanvas);
+        frame.setVisible(true);
+        animator.start();
+
+        Thread.sleep(500); // 500 ms
+
+        animator.stop();
+        frame.setVisible(false);
+        frame.remove(glCanvas);
+        glCanvas=null;
+        Assert.assertNotNull(frame);
+        frame.dispose();
+        frame=null;
+    }
+
+    public static void main(String args[]) throws IOException {
+        String tstname = TestGrayTextureFromFileAWTBug417.class.getName();
+        org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(new String[] {
+            tstname,
+            "filtertrace=true",
+            "haltOnError=false",
+            "haltOnFailure=false",
+            "showoutput=true",
+            "outputtoformatters=true",
+            "logfailedtests=true",
+            "logtestlistenerevents=true",
+            "formatter=org.apache.tools.ant.taskdefs.optional.junit.PlainJUnitResultFormatter",
+            "formatter=org.apache.tools.ant.taskdefs.optional.junit.XMLJUnitResultFormatter,TEST-"+tstname+".xml" } );
+    }
+}
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/texture/grayscale_texture.png b/src/test/com/jogamp/opengl/test/junit/jogl/texture/grayscale_texture.png
new file mode 100755
index 000000000..dac0f13de
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/texture/grayscale_texture.png
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/gl2/TextureGL2ListenerDraw1.java b/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/gl2/TextureGL2ListenerDraw1.java
index b41dde645..649a3b19a 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/gl2/TextureGL2ListenerDraw1.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/util/texture/gl2/TextureGL2ListenerDraw1.java
@@ -32,7 +32,6 @@ import com.jogamp.opengl.util.texture.Texture;
 import com.jogamp.opengl.util.texture.TextureCoords;
 import com.jogamp.opengl.util.texture.TextureData;
 import com.jogamp.opengl.util.texture.TextureIO;
-import javax.media.opengl.GL;
 import javax.media.opengl.GL2ES1;
 import javax.media.opengl.GL2;
 import javax.media.opengl.GLAutoDrawable;
@@ -54,6 +53,10 @@ public class TextureGL2ListenerDraw1 implements GLEventListener {
         }
     }
 
+    public void setTexture( Texture texture ) {
+        this.texture = texture;
+    }
+
     public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
         GL2 gl = drawable.getGL().getGL2();
         gl.glMatrixMode(GL2ES1.GL_PROJECTION);