From 105bc9603ea1c74711aa2ca689f0aae4ae4308e8 Mon Sep 17 00:00:00 2001
From: rishab <kumarjharishab@gmail.com>
Date: Sat, 5 Apr 2025 16:59:03 +0530
Subject: [PATCH 1/2] added unit tests for Pmatrix 3D
---
core/test/processing/core/TestPMatrix3D.java | 226 +++++++++++++++++++
1 file changed, 226 insertions(+)
create mode 100644 core/test/processing/core/TestPMatrix3D.java
diff --git a/core/test/processing/core/TestPMatrix3D.java b/core/test/processing/core/TestPMatrix3D.java
new file mode 100644
index 000000000..db4a7530a
--- /dev/null
+++ b/core/test/processing/core/TestPMatrix3D.java
@@ -0,0 +1,226 @@
+package processing.core;
+
+import static org.junit.Assert.*;
+import org.junit.Test;
+
+public class TestPMatrix3D {
+
+ @Test
+ public void testConstructorsResetAndGet() {
+ PMatrix3D m = new PMatrix3D();
+ float[] vals = m.get(null);
+ assertEquals(1, vals[0], 1e-6);
+ assertEquals(1, vals[5], 1e-6);
+ assertEquals(1, vals[10], 1e-6);
+ assertEquals(1, vals[15], 1e-6);
+
+ m.m00 = 2;
+ m.reset();
+ vals = m.get(null);
+ assertEquals(1, vals[0], 1e-6);
+ }
+
+ @Test
+ public void testSetAndGetMethods() {
+ PMatrix3D m = new PMatrix3D();
+ float[] source = {
+ 2, 3, 4, 5,
+ 6, 7, 8, 9,
+ 10,11,12,13,
+ 14,15,16,17
+ };
+ m.set(source);
+ float[] target = m.get(null);
+ for (int i = 0; i < 16; i++) {
+ assertEquals(source[i], target[i], 1e-6);
+ }
+
+ m.set(1, 2, 3, 4, 5, 6);
+ target = m.get(null);
+ assertEquals(1, target[0], 1e-6);
+ assertEquals(2, target[1], 1e-6);
+ assertEquals(0, target[2], 1e-6);
+ assertEquals(3, target[3], 1e-6);
+
+ PMatrix2D m2d = new PMatrix2D(1, 2, 3, 4, 5, 6);
+ m.set(m2d);
+ target = m.get(null);
+ assertEquals(1, target[0], 1e-6);
+ assertEquals(2, target[1], 1e-6);
+ assertEquals(0, target[2], 1e-6);
+ assertEquals(3, target[3], 1e-6);
+ }
+
+ @Test
+ public void testTranslate() {
+ PMatrix3D m = new PMatrix3D();
+ m.translate(0, 0, 0);
+ float[] original = new PMatrix3D().get(null);
+ float[] result = m.get(null);
+ for (int i = 0; i < 16; i++) {
+ assertEquals(original[i], result[i], 1e-6);
+ }
+
+ m.reset();
+ m.translate(10, -5, 3);
+ result = m.get(null);
+ assertEquals(10, result[3], 1e-6);
+ assertEquals(-5, result[7], 1e-6);
+ assertEquals(3, result[11], 1e-6);
+ assertEquals(1, result[15], 1e-6);
+ }
+
+ @Test
+ public void testRotateAndShear() {
+ PMatrix3D m = new PMatrix3D();
+ m.reset();
+ m.rotate(0);
+ float[] original = new PMatrix3D().get(null);
+ float[] result = m.get(null);
+ for (int i = 0; i < 16; i++) {
+ assertEquals(original[i], result[i], 1e-6);
+ }
+
+ m.reset();
+ m.rotateZ((float) Math.PI / 2);
+ result = m.get(null);
+ assertEquals(0, result[0], 1e-6);
+ assertEquals(-1, result[1], 1e-6);
+ assertEquals(1, result[4], 1e-6);
+ assertEquals(0, result[5], 1e-6);
+
+ m.reset();
+ m.shearX((float) Math.PI / 4);
+ result = m.get(null);
+ float expectedT = (float) Math.tan(Math.PI / 4);
+ assertEquals(expectedT, result[1], 1e-6);
+
+ m.reset();
+ m.shearY((float) Math.PI / 4);
+ result = m.get(null);
+ assertEquals(expectedT, result[4], 1e-6);
+ }
+
+ @Test
+ public void testScale() {
+ PMatrix3D m = new PMatrix3D();
+ m.reset();
+ m.scale(1);
+ float[] original = new PMatrix3D().get(null);
+ float[] result = m.get(null);
+ for (int i = 0; i < 16; i++) {
+ assertEquals(original[i], result[i], 1e-6);
+ }
+
+ m.reset();
+ m.scale(2, 3, 4);
+ result = m.get(null);
+ assertEquals(2, result[0], 1e-6);
+ assertEquals(3, result[5], 1e-6);
+ assertEquals(4, result[10], 1e-6);
+
+ m.reset();
+ m.scale(0, 1, 1);
+ result = m.get(null);
+ assertEquals(0, result[0], 1e-6);
+ }
+
+ @Test
+ public void testApplyAndPreApply() {
+ PMatrix3D m = new PMatrix3D();
+ m.reset();
+ PMatrix3D n = new PMatrix3D(
+ 2, 3, 4, 5,
+ 6, 7, 8, 9,
+ 10,11,12,13,
+ 14,15,16,17
+ );
+ m.apply(n);
+ float[] result = m.get(null);
+ float[] expected = n.get(null);
+ for (int i = 0; i < 16; i++) {
+ assertEquals(expected[i], result[i], 1e-6);
+ }
+
+ m.reset();
+ m.preApply(n);
+ result = m.get(null);
+ for (int i = 0; i < 16; i++) {
+ assertEquals(expected[i], result[i], 1e-6);
+ }
+ }
+
+ @Test
+ public void testMultMethods() {
+ PMatrix3D m = new PMatrix3D();
+ m.reset();
+ PVector p = new PVector(1, 2, 3);
+ PVector resultP = m.mult(p, null);
+ assertEquals(1, resultP.x, 1e-6);
+ assertEquals(2, resultP.y, 1e-6);
+ assertEquals(3, resultP.z, 1e-6);
+
+ float[] vec3 = {1, 2, 3};
+ float[] out3 = m.mult(vec3, new float[3]);
+ assertEquals(1, out3[0], 1e-6);
+ assertEquals(2, out3[1], 1e-6);
+ assertEquals(3, out3[2], 1e-6);
+
+ float[] vec4 = {1, 2, 3, 4};
+ float[] out4 = m.mult(vec4, new float[4]);
+ for (int i = 0; i < 4; i++) {
+ assertEquals(vec4[i], out4[i], 1e-6);
+ }
+
+ try {
+ m.mult(vec3, vec3);
+ fail("Expected RuntimeException for identical source and target arrays.");
+ } catch (RuntimeException e) {
+ // Exception expected.
+ }
+
+ m.reset();
+ m.translate(10, 20, 30);
+ float x = m.multX(1, 2, 3);
+ float y = m.multY(1, 2, 3);
+ float z = m.multZ(1, 2, 3);
+ float w = m.multW(1, 2, 3);
+ assertEquals(1 + 10, x, 1e-6);
+ assertEquals(2 + 20, y, 1e-6);
+ assertEquals(3 + 30, z, 1e-6);
+ assertEquals(1, w, 1e-6);
+ }
+
+ @Test
+ public void testTransposeAndDeterminant() {
+ PMatrix3D m = new PMatrix3D(
+ 2, 3, 4, 5,
+ 6, 7, 8, 9,
+ 10,11,12,13,
+ 14,15,16,17
+ );
+ float det = m.determinant();
+ m.transpose();
+ float det2 = m.determinant();
+ assertEquals(det, det2, 1e-6);
+ }
+
+ @Test
+ public void testInvert() {
+ PMatrix3D m = new PMatrix3D();
+ m.reset();
+ boolean inverted = m.invert();
+ assertTrue(inverted);
+ float[] result = m.get(null);
+ PMatrix3D identity = new PMatrix3D();
+ float[] idArr = identity.get(null);
+ for (int i = 0; i < 16; i++) {
+ assertEquals(idArr[i], result[i], 1e-6);
+ }
+
+ m.reset();
+ m.scale(0, 1, 1);
+ inverted = m.invert();
+ assertFalse(inverted);
+ }
+}
From 588390f6fb72460f3e4f1deac33c3670401534e7 Mon Sep 17 00:00:00 2001
From: rishab <kumarjharishab@gmail.com>
Date: Sat, 5 Apr 2025 17:04:25 +0530
Subject: [PATCH 2/2] added unit tests for Pmatrix 3D
---
.../processing/core/{TestPMatrix3D.java => PMatrix3DTest.java} | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
rename core/test/processing/core/{TestPMatrix3D.java => PMatrix3DTest.java} (99%)
diff --git a/core/test/processing/core/TestPMatrix3D.java b/core/test/processing/core/PMatrix3DTest.java
similarity index 99%
rename from core/test/processing/core/TestPMatrix3D.java
rename to core/test/processing/core/PMatrix3DTest.java
index db4a7530a..7cb03a63a 100644
--- a/core/test/processing/core/TestPMatrix3D.java
+++ b/core/test/processing/core/PMatrix3DTest.java
@@ -3,7 +3,7 @@
import static org.junit.Assert.*;
import org.junit.Test;
-public class TestPMatrix3D {
+public class PMatrix3DTest {
@Test
public void testConstructorsResetAndGet() {