Attachment 151 Details for Bug 407 – jUnit4 test of the bug (corrected)

jUnit4 test of the bug (corrected)

TransformFeedbackVeryingsBugTest.java (text/plain), 3.59 KB, created by mateushek on 2010-08-18 14:51:02 CEST

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Creator: mateushek

Created: 2010-08-18 14:51:02 CEST

Size: 3.59 KB

patch

obsolete

>package impaspav.glsl;
>
>import java.io.ByteArrayOutputStream;
>import java.io.PrintStream;
>
>import javax.media.opengl.GL3;
>import javax.media.opengl.GLCapabilities;
>import javax.media.opengl.GLContext;
>import javax.media.opengl.GLDrawable;
>import javax.media.opengl.GLDrawableFactory;
>import javax.media.opengl.GLProfile;
>
>import org.junit.After;
>import org.junit.Assert;
>import org.junit.Before;
>import org.junit.Test;
>
>import com.jogamp.newt.Display;
>import com.jogamp.newt.NewtFactory;
>import com.jogamp.newt.Screen;
>import com.jogamp.newt.Window;
>import com.jogamp.opengl.util.glsl.ShaderUtil;
>
>public class TransformFeedbackVeryingsBugTest {
>
>	static {
>		 //NativeUtil.preloadNativeLibs(); // internal method
>		GLProfile.initSingleton();
>	}
>
>	private GLContext context;
>	private String VERTEX_SHADER_TEXT;
>
>	@Before
>	public void setUp() {
>		VERTEX_SHADER_TEXT = 
>				  "#version 330                           \n"
>				+ "                                       \n"
>				+ "out vec4 Position;                     \n"
>				+ "                                       \n"
>				+ "void main() {                          \n"
>				+ "  Position = vec4(1.0, 1.0, 1.0, 1.0); \n"
>				+ "}                                      \n";
>		
>		GLCapabilities caps;
>		Window window;
>		GLDrawable drawable;
>
>		GLProfile glp = GLProfile.get(GLProfile.GL3);
>		caps = new GLCapabilities(glp);
>
>		caps.setOnscreen(true);
>		caps.setDoubleBuffered(true);
>
>		Display display = NewtFactory.createDisplay(null); // local display
>		Screen screen = NewtFactory.createScreen(display, 0); // screen 0
>
>		window = NewtFactory.createWindow(screen, caps, true);
>		window.setSize(800, 600);
>		window.setVisible(true);
>
>		drawable = GLDrawableFactory.getFactory(glp).createGLDrawable(window);
>		drawable.setRealized(true);
>
>		context = drawable.createContext(null);
>
>		context.makeCurrent();
>	}
>
>	@After
>	public void tearDown() {
>		context.release();
>	}
>	
>	private int getShader(GL3 gl, String text, int type) {
>		int shaderProgram = gl.glCreateProgram();
>		
>		int vertShader = gl.glCreateShader(type);
>		
>		String[] lines = new String[] { text };
>		int[] lengths = new int[] { lines[0].length() };
>		gl.glShaderSource(vertShader, lines.length, lines, lengths, 0);
>		gl.glCompileShader(vertShader);
>		gl.glAttachShader(shaderProgram, vertShader);
>		
>		return shaderProgram;
>	}
>
>	@Test
>	public void testGlTransformFeedbackVaryings_WhenVarNameOK() {
>		// given
>		
>		GL3 gl = context.getGL().getGL3();
>		int shaderProgram = getShader(gl, VERTEX_SHADER_TEXT, GL3.GL_VERTEX_SHADER);
>		String[] vars = new String[] { "Position" };
>
>		// when
>
>		gl.glTransformFeedbackVaryings(shaderProgram, 1, vars, GL3.GL_SEPARATE_ATTRIBS);
>		gl.glLinkProgram(shaderProgram);
>
>		// then
>
>		Assert.assertTrue(ShaderUtil.isProgramValid(gl, shaderProgram, System.out));
>		Assert.assertEquals(GL3.GL_NO_ERROR, gl.glGetError());
>	}
>
>	@Test
>	public void testGlTransformFeedbackVaryings_WhenVarNameWrong() {
>		// given
>		
>		GL3 gl = context.getGL().getGL3();
>		int shaderProgram = getShader(gl, VERTEX_SHADER_TEXT, GL3.GL_VERTEX_SHADER);
>		String[] vars = new String[] { "PPPosition" };
>		
>		// when
>
>		gl.glTransformFeedbackVaryings(shaderProgram, 1, vars, GL3.GL_SEPARATE_ATTRIBS);
>		gl.glLinkProgram(shaderProgram);
>
>		// then
>
>		ByteArrayOutputStream baos = new ByteArrayOutputStream();
>		Assert.assertFalse(ShaderUtil.isProgramValid(gl, shaderProgram, new PrintStream(baos)));
>		Assert.assertEquals(GL3.GL_NO_ERROR, gl.glGetError());
>		Assert.assertTrue(baos.toString().contains("(named PPPosition)"));
>	}
>}

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