diff options
Diffstat (limited to 'src/test/com/jogamp')
3 files changed, 431 insertions, 3 deletions
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestPMVMatrix01NEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestPMVMatrix01NEWT.java new file mode 100644 index 000000000..6c16cfcc1 --- /dev/null +++ b/src/test/com/jogamp/opengl/test/junit/jogl/acore/TestPMVMatrix01NEWT.java @@ -0,0 +1,378 @@ +/** + * Copyright 2012 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.acore; + +import java.nio.FloatBuffer; + +import javax.media.opengl.GL2ES1; +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 javax.media.opengl.fixedfunc.GLMatrixFunc; + +import org.junit.AfterClass; +import org.junit.Assert; +import org.junit.BeforeClass; +import org.junit.Test; + +import com.jogamp.common.os.Platform; +import com.jogamp.opengl.test.junit.util.MiscUtils; +import com.jogamp.opengl.test.junit.util.UITestCase; +import com.jogamp.opengl.util.PMVMatrix; + +public class TestPMVMatrix01NEWT extends UITestCase { + + static final float epsilon = 0.00001f; + // Translated xyz 123 - Normal - In column major order ! + static FloatBuffer translated123N = FloatBuffer.wrap( new float[] { 1.0f, 0.0f, 0.0f, 0.0f, + 0.0f, 1.0f, 0.0f, 0.0f, + 0.0f, 0.0f, 1.0f, 0.0f, + 1.0f, 2.0f, 3.0f, 1.0f } ); + + // Translated xyz 123 - Inverse - In column major order ! + static FloatBuffer translated123I = FloatBuffer.wrap( new float[] { 1.0f, 0.0f, 0.0f, 0.0f, + 0.0f, 1.0f, 0.0f, 0.0f, + 0.0f, 0.0f, 1.0f, 0.0f, + -1.0f, -2.0f, -3.0f, 1.0f } ); + + // Translated xyz 123 - Inverse and Transposed - In column major order ! + static FloatBuffer translated123IT = FloatBuffer.wrap( new float[] { 1.0f, 0.0f, 0.0f, -1.0f, + 0.0f, 1.0f, 0.0f, -2.0f, + 0.0f, 0.0f, 1.0f, -3.0f, + 0.0f, 0.0f, 0.0f, 1.0f } ); + + /** + * Test using traditional access workflow, i.e. 1) operation 2) get-matrix references + * <p> + * The Mvi and Mvit dirty-bits and request-mask will be validated. + * </p> + */ + @SuppressWarnings("deprecation") + @Test + public void test01MviUpdateTraditionalAccess() { + FloatBuffer p, mv, mvi, mvit; + boolean b; + final PMVMatrix pmv = new PMVMatrix(true); + // System.err.println("P0: "+pmv.toString()); + + Assert.assertTrue("Dirty bits clean, "+pmv.toString(), 0 != pmv.getDirtyBits()); + Assert.assertEquals("Request bits not zero, "+pmv.toString(), 0, pmv.getRequestMask()); + + // + // Action #0 + // + final FloatBuffer ident; + { + pmv.glMatrixMode(GLMatrixFunc.GL_PROJECTION); + pmv.glLoadIdentity(); + ident = pmv.glGetPMatrixf(); + + pmv.glMatrixMode(GLMatrixFunc.GL_MODELVIEW); + pmv.glLoadIdentity(); + } + Assert.assertTrue("Modified bits zero", 0 != pmv.getModifiedBits()); // clear & test + Assert.assertTrue("Dirty bits clean, "+pmv.toString(), 0 != pmv.getDirtyBits()); + Assert.assertEquals("Request bits not zero, "+pmv.toString(), 0, pmv.getRequestMask()); + + // + // Action #1 + // + pmv.glTranslatef(1f, 2f, 3f); // all dirty ! + Assert.assertTrue("Modified bits zero", 0 != pmv.getModifiedBits()); // clear & test + Assert.assertTrue("Dirty bits clean, "+pmv.toString(), 0 != pmv.getDirtyBits()); + Assert.assertEquals("Request bits not zero, "+pmv.toString(), 0, pmv.getRequestMask()); + // System.err.println("P1: "+pmv.toString()); + + b = pmv.update(); // will not clean dirty bits, since no request has been made -> false + Assert.assertEquals("Update has been perfomed, but non requested", false, b); + Assert.assertTrue("Dirty bits clean, "+pmv.toString(), 0 != pmv.getDirtyBits()); + Assert.assertEquals("Request bits not zero, "+pmv.toString(), 0, pmv.getRequestMask()); + // System.err.println("P2: "+pmv.toString()); + + // + // Get + // + p = pmv.glGetPMatrixf(); + MiscUtils.assertFloatBufferEquals("P not identity, "+pmv.toString(), ident, p, epsilon); + mv = pmv.glGetMvMatrixf(); + MiscUtils.assertFloatBufferEquals("Mv not translated123, "+pmv.toString(), translated123N, mv, epsilon); + mvi = pmv.glGetMviMatrixf(); + MiscUtils.assertFloatBufferEquals("Mvi not translated123, "+pmv.toString(), translated123I, mvi, epsilon); + Assert.assertEquals("Remaining dirty bits not Mvit, "+pmv.toString(), PMVMatrix.DIRTY_INVERSE_TRANSPOSED_MODELVIEW, pmv.getDirtyBits()); + Assert.assertEquals("Request bit Mvi not set, "+pmv.toString(), PMVMatrix.DIRTY_INVERSE_MODELVIEW, pmv.getRequestMask()); + // System.err.println("P3: "+pmv.toString()); + + mvit = pmv.glGetMvitMatrixf(); + MiscUtils.assertFloatBufferEquals("Mvit not translated123, "+pmv.toString()+pmv.toString(), translated123IT, mvit, epsilon); + Assert.assertTrue("Dirty bits not clean, "+pmv.toString(), 0 == pmv.getDirtyBits()); + Assert.assertEquals("Request bits Mvi and Mvit not set, "+pmv.toString(), PMVMatrix.DIRTY_INVERSE_MODELVIEW | PMVMatrix.DIRTY_INVERSE_TRANSPOSED_MODELVIEW, pmv.getRequestMask()); + // System.err.println("P4: "+pmv.toString()); + + // + // Action #2 + // + pmv.glLoadIdentity(); // all dirty + Assert.assertTrue("Modified bits zero", 0 != pmv.getModifiedBits()); // clear & test + Assert.assertTrue("Dirty bits clean, "+pmv.toString(), 0 != pmv.getDirtyBits()); + Assert.assertEquals("Request bits Mvi and Mvit not set, "+pmv.toString(), PMVMatrix.DIRTY_INVERSE_MODELVIEW | PMVMatrix.DIRTY_INVERSE_TRANSPOSED_MODELVIEW, pmv.getRequestMask()); + MiscUtils.assertFloatBufferEquals("P not identity, "+pmv.toString(), ident, p, epsilon); + MiscUtils.assertFloatBufferEquals("Mv not identity, "+pmv.toString(), ident, mv, epsilon); + MiscUtils.assertFloatBufferNotEqual("Mvi already identity w/o update, "+pmv.toString(), ident, mvi, epsilon); + MiscUtils.assertFloatBufferNotEqual("Mvit already identity w/o update, "+pmv.toString(), ident, mvit, epsilon); + MiscUtils.assertFloatBufferEquals("Mvi not translated123, "+pmv.toString()+pmv.toString(), translated123I, mvi, epsilon); + MiscUtils.assertFloatBufferEquals("Mvit not translated123, "+pmv.toString()+pmv.toString(), translated123IT, mvit, epsilon); + + b = pmv.update(); // will clean dirty bits, since request has been made -> true + Assert.assertEquals("Update has not been perfomed, but requested", true, b); + Assert.assertTrue("Dirty bits not clean, "+pmv.toString(), 0 == pmv.getDirtyBits()); + Assert.assertEquals("Request bits Mvi and Mvit not set, "+pmv.toString(), PMVMatrix.DIRTY_INVERSE_MODELVIEW | PMVMatrix.DIRTY_INVERSE_TRANSPOSED_MODELVIEW, pmv.getRequestMask()); + MiscUtils.assertFloatBufferEquals("Mvi not identity after update, "+pmv.toString(), ident, mvi, epsilon); + MiscUtils.assertFloatBufferEquals("Mvit not identity after update, "+pmv.toString(), ident, mvit, epsilon); + } + + /** + * Test using shader access workflow, i.e. 1) get-matrix references 2) operations + * <p> + * The Mvi and Mvit dirty-bits and request-mask will be validated. + * </p> + */ + @SuppressWarnings("deprecation") + @Test + public void test02MviUpdateShaderAccess() { + final FloatBuffer p, mv, mvi, mvit; + boolean b; + final PMVMatrix pmv = new PMVMatrix(true); + // System.err.println("P0: "+pmv.toString()); + + Assert.assertTrue("Dirty bits clean, "+pmv.toString(), 0 != pmv.getDirtyBits()); + Assert.assertEquals("Request bits not zero, "+pmv.toString(), 0, pmv.getRequestMask()); + + // + // Action #0 + // + final FloatBuffer ident; + { + pmv.glMatrixMode(GLMatrixFunc.GL_PROJECTION); + pmv.glLoadIdentity(); + ident = pmv.glGetPMatrixf(); + + pmv.glMatrixMode(GLMatrixFunc.GL_MODELVIEW); + pmv.glLoadIdentity(); + } + // System.err.println("P0: "+pmv.toString()); + Assert.assertTrue("Modified bits zero", 0 != pmv.getModifiedBits()); // clear & test + Assert.assertTrue("Dirty bits clean, "+pmv.toString(), 0 != pmv.getDirtyBits()); + Assert.assertEquals("Request bits not zero, "+pmv.toString(), 0, pmv.getRequestMask()); + // System.err.println("P1: "+pmv.toString()); + + // + // Get + // + p = pmv.glGetPMatrixf(); + MiscUtils.assertFloatBufferEquals("P not identity, "+pmv.toString(), ident, p, epsilon); + mv = pmv.glGetMvMatrixf(); + MiscUtils.assertFloatBufferEquals("Mv not identity, "+pmv.toString(), ident, mv, epsilon); + Assert.assertTrue("Dirty bits clean, "+pmv.toString(), 0 != pmv.getDirtyBits()); + Assert.assertEquals("Request bits not zero, "+pmv.toString(), 0, pmv.getRequestMask()); + + mvi = pmv.glGetMviMatrixf(); + MiscUtils.assertFloatBufferEquals("Mvi not identity, "+pmv.toString(), ident, mvi, epsilon); + Assert.assertEquals("Remaining dirty bits not Mvit, "+pmv.toString(), PMVMatrix.DIRTY_INVERSE_TRANSPOSED_MODELVIEW, pmv.getDirtyBits()); + Assert.assertEquals("Request bit Mvi not set, "+pmv.toString(), PMVMatrix.DIRTY_INVERSE_MODELVIEW, pmv.getRequestMask()); + + mvit = pmv.glGetMvitMatrixf(); + MiscUtils.assertFloatBufferEquals("Mvi not identity, "+pmv.toString(), ident, mvit, epsilon); + Assert.assertTrue("Dirty bits not clean, "+pmv.toString(), 0 == pmv.getDirtyBits()); + Assert.assertEquals("Request bits Mvi and Mvit not set, "+pmv.toString(), PMVMatrix.DIRTY_INVERSE_MODELVIEW | PMVMatrix.DIRTY_INVERSE_TRANSPOSED_MODELVIEW, pmv.getRequestMask()); + + // + // Action #1 + // + pmv.glTranslatef(1f, 2f, 3f); // all dirty ! + Assert.assertTrue("Modified bits zero", 0 != pmv.getModifiedBits()); // clear & test + Assert.assertTrue("Dirty bits clean, "+pmv.toString(), 0 != pmv.getDirtyBits()); + MiscUtils.assertFloatBufferEquals("P not identity, "+pmv.toString()+pmv.toString(), ident, p, epsilon); + MiscUtils.assertFloatBufferEquals("Mv not translated123, "+pmv.toString()+pmv.toString(), translated123N, mv, epsilon); + MiscUtils.assertFloatBufferNotEqual("Mvi already translated123 w/o update, "+pmv.toString()+pmv.toString(), translated123I, mvi, epsilon); + MiscUtils.assertFloatBufferNotEqual("Mvit already translated123 w/o update, "+pmv.toString()+pmv.toString(), translated123IT, mvit, epsilon); + MiscUtils.assertFloatBufferEquals("Mvi not identity, "+pmv.toString()+pmv.toString(), ident, mvi, epsilon); + MiscUtils.assertFloatBufferEquals("Mvit not identity, "+pmv.toString()+pmv.toString(), ident, mvit, epsilon); + + b = pmv.update(); // will clean dirty bits, since all requests has been made -> true + Assert.assertEquals("Update has not been perfomed, but requested", true, b); + Assert.assertTrue("Dirty bits not clean, "+pmv.toString(), 0 == pmv.getDirtyBits()); + Assert.assertEquals("Request bits Mvi and Mvit not set, "+pmv.toString(), PMVMatrix.DIRTY_INVERSE_MODELVIEW | PMVMatrix.DIRTY_INVERSE_TRANSPOSED_MODELVIEW, pmv.getRequestMask()); + MiscUtils.assertFloatBufferEquals("Mvi not translated123, "+pmv.toString()+pmv.toString(), translated123I, mvi, epsilon); + MiscUtils.assertFloatBufferEquals("Mvit not translated123, "+pmv.toString()+pmv.toString(), translated123IT, mvit, epsilon); + // System.err.println("P2: "+pmv.toString()); + } + + @SuppressWarnings("unused") + @Test + public void test03MvTranslate() { + final FloatBuffer pmvMv, pmvMvi, pmvMvit; + { + final PMVMatrix pmv = new PMVMatrix(true); + pmv.glMatrixMode(GLMatrixFunc.GL_PROJECTION); + pmv.glLoadIdentity(); + pmv.glMatrixMode(GLMatrixFunc.GL_MODELVIEW); + pmv.glLoadIdentity(); + pmv.glTranslatef(5f, 6f, 7f); + + pmvMv = pmv.glGetMvMatrixf(); + pmvMvi = pmv.glGetMviMatrixf(); + pmvMvit = pmv.glGetMvitMatrixf(); + } + + final FloatBuffer glMv = FloatBuffer.allocate(16); + { + GL2ES1 gl = dc.glc.getGL().getGL2ES1(); + gl.glMatrixMode(GLMatrixFunc.GL_PROJECTION); + gl.glLoadIdentity(); + gl.glMatrixMode(GLMatrixFunc.GL_MODELVIEW); + gl.glLoadIdentity(); + gl.glTranslatef(5f, 6f, 7f); + + gl.glGetFloatv(GLMatrixFunc.GL_MODELVIEW_MATRIX, glMv); + } + // System.err.println(PMVMatrix.matrixToString(null, "%10.5f", glMv, pmvMv).toString()); + + MiscUtils.assertFloatBufferEquals("Arrays not equal, expected"+Platform.NEWLINE+PMVMatrix.matrixToString(null, "%10.5f", glMv).toString()+ + ", actual"+Platform.NEWLINE+PMVMatrix.matrixToString(null, "%10.5f", pmvMv).toString(), + glMv, pmvMv, epsilon); + + // System.err.println("pmvMvi: "+Platform.NEWLINE+PMVMatrix.matrixToString(null, "%10.5f", pmvMvi)); + // System.err.println("pmvMvit: "+Platform.NEWLINE+PMVMatrix.matrixToString(null, "%10.5f", pmvMvit)); + } + + @SuppressWarnings("unused") + @Test + public void test04MvTranslateRotate() { + final FloatBuffer pmvMv, pmvMvi, pmvMvit; + { + final PMVMatrix pmv = new PMVMatrix(true); + pmv.glMatrixMode(GLMatrixFunc.GL_PROJECTION); + pmv.glLoadIdentity(); + pmv.glMatrixMode(GLMatrixFunc.GL_MODELVIEW); + pmv.glLoadIdentity(); + pmv.glTranslatef(5f, 6f, 7f); + pmv.glRotatef(90f, 1f, 0f, 0f); + + pmvMv = pmv.glGetMvMatrixf(); + pmvMvi = pmv.glGetMviMatrixf(); + pmvMvit = pmv.glGetMvitMatrixf(); + } + + final FloatBuffer glMv = FloatBuffer.allocate(16); + { + GL2ES1 gl = dc.glc.getGL().getGL2ES1(); + gl.glMatrixMode(GLMatrixFunc.GL_PROJECTION); + gl.glLoadIdentity(); + gl.glMatrixMode(GLMatrixFunc.GL_MODELVIEW); + gl.glLoadIdentity(); + gl.glTranslatef(5f, 6f, 7f); + gl.glRotatef(90f, 1f, 0f, 0f); + + gl.glGetFloatv(GLMatrixFunc.GL_MODELVIEW_MATRIX, glMv); + } + // System.err.println(PMVMatrix.matrixToString(null, "%10.5f", glMv, pmvMv).toString()); + + MiscUtils.assertFloatBufferEquals("Arrays not equal, expected"+Platform.NEWLINE+PMVMatrix.matrixToString(null, "%10.5f", glMv).toString()+ + ", actual"+Platform.NEWLINE+PMVMatrix.matrixToString(null, "%10.5f", pmvMv).toString(), + glMv, pmvMv, epsilon); + + // System.err.println("pmvMvi: "+Platform.NEWLINE+PMVMatrix.matrixToString(null, "%10.5f", pmvMvi)); + // System.err.println("pmvMvit: "+Platform.NEWLINE+PMVMatrix.matrixToString(null, "%10.5f", pmvMvit)); + } + + static DrawableContext dc; + + @BeforeClass + public static void setup() throws Throwable { + try { + dc = createOffscreenDrawableAndCurrentFFPContext(); + } catch (Throwable t) { + setTestSupported(false); + throw t; + } + } + + @AfterClass + public static void cleanup() { + destroyDrawableContext(dc); + } + + static class DrawableContext { + DrawableContext(GLDrawable d, GLContext glc) { + this.d = d; + this.glc = glc; + } + GLDrawable d; + GLContext glc; + } + + private static DrawableContext createOffscreenDrawableAndCurrentFFPContext() throws Throwable { + GLProfile glp = GLProfile.getMaxFixedFunc(true); + GLCapabilities glCaps = new GLCapabilities(glp); + glCaps.setOnscreen(false); + glCaps.setPBuffer(true); + GLDrawableFactory factory = GLDrawableFactory.getFactory(glp); + GLDrawable d = factory.createOffscreenDrawable(null, glCaps, null, 64, 64); + d.setRealized(true); + GLContext glc = null; + try { + glc = d.createContext(null); + Assert.assertTrue("Context could not be made current", GLContext.CONTEXT_NOT_CURRENT < glc.makeCurrent()); + return new DrawableContext(d, glc); + } catch (Throwable t) { + if(null != glc) { + glc.destroy(); + } + d.setRealized(false); + throw t; + } + } + + private static void destroyDrawableContext(DrawableContext dc) { + if(null != dc.glc) { + dc.glc.destroy(); + dc.glc = null; + } + if(null != dc.d) { + dc.d.setRealized(false); + dc.d = null; + } + } + + public static void main(String args[]) { + org.junit.runner.JUnitCore.main(TestPMVMatrix01NEWT.class.getName()); + } +} diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/GearsObjectES2.java b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/GearsObjectES2.java index 82485ea1a..bb526e350 100644 --- a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/GearsObjectES2.java +++ b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/GearsObjectES2.java @@ -26,7 +26,6 @@ import javax.media.opengl.GL; import javax.media.opengl.GL2ES2; import javax.media.opengl.GLUniformData; - import com.jogamp.opengl.test.junit.jogl.demos.GearsObject; import com.jogamp.opengl.util.GLArrayDataServer; import com.jogamp.opengl.util.PMVMatrix; @@ -89,8 +88,11 @@ public class GearsObjectES2 extends GearsObject { pmvMatrix.glPushMatrix(); pmvMatrix.glTranslatef(x, y, 0f); pmvMatrix.glRotatef(angle, 0f, 0f, 1f); - pmvMatrix.update(); - st.uniform(gl, pmvMatrixUniform); + if( pmvMatrix.update() ) { + st.uniform(gl, pmvMatrixUniform); + } else { + throw new InternalError("PMVMatrix.update() returns false after mutable operations"); + } colorUniform.setData(color); st.uniform(gl, colorUniform); diff --git a/src/test/com/jogamp/opengl/test/junit/util/MiscUtils.java b/src/test/com/jogamp/opengl/test/junit/util/MiscUtils.java index 9cbeabb85..c230f0aa1 100644 --- a/src/test/com/jogamp/opengl/test/junit/util/MiscUtils.java +++ b/src/test/com/jogamp/opengl/test/junit/util/MiscUtils.java @@ -30,6 +30,7 @@ package com.jogamp.opengl.test.junit.util; import java.lang.reflect.*; +import java.nio.FloatBuffer; public class MiscUtils { public static int atoi(String str, int def) { @@ -50,6 +51,53 @@ public class MiscUtils { return def; } + public static void assertFloatBufferEquals(String errmsg, FloatBuffer expected, FloatBuffer actual, float delta) { + if(null == expected && null == actual) { + return; + } + String msg = null != errmsg ? errmsg + " " : ""; + if(null == expected) { + throw new AssertionError(msg+"; Expected is null, but actual not: "+actual); + } + if(null == actual) { + throw new AssertionError(msg+"; Actual is null, but expected not: "+expected); + } + if(expected.remaining() != actual.remaining()) { + throw new AssertionError(msg+"; Expected has "+expected.remaining()+" remaining, but actual has "+actual.remaining()); + } + final int a0 = expected.position(); + final int b0 = actual.position(); + for(int i=0; i<expected.remaining(); i++) { + final float ai = expected.get(a0 + i); + final float bi = actual.get(b0 + i); + final float daibi = Math.abs(ai - bi); + if( daibi > delta ) { + throw new AssertionError(msg+"; Expected @ ["+a0+"+"+i+"] has "+ai+", but actual @ ["+b0+"+"+i+"] has "+bi+", it's delta "+daibi+" > "+delta); + } + } + } + + public static void assertFloatBufferNotEqual(String errmsg, FloatBuffer expected, FloatBuffer actual, float delta) { + if(null == expected || null == actual) { + return; + } + if(expected.remaining() != actual.remaining()) { + return; + } + String msg = null != errmsg ? errmsg + " " : ""; + final int a0 = expected.position(); + final int b0 = actual.position(); + for(int i=0; i<expected.remaining(); i++) { + final float ai = expected.get(a0 + i); + final float bi = actual.get(b0 + i); + final float daibi = Math.abs(ai - bi); + if( daibi > delta ) { + return; + } + } + throw new AssertionError(msg+"; Expected and actual are equal."); + } + public static boolean setFieldIfExists(Object instance, String fieldName, Object value) { try { Field f = instance.getClass().getField(fieldName); 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