Merge branch 'main' into ml

src/test/java/schule/ngb/zm/ColorTest.java

@@ -17,9 +17,9 @@ class ColorTest {
 		assertEquals(255, c.getAlpha());
 
 		c = Color.BLUE;
-		assertEquals(0, c.getRed());
-		assertEquals(0, c.getGreen());
-		assertEquals(255, c.getBlue());
+		assertEquals(49, c.getRed());
+		assertEquals(197, c.getGreen());
+		assertEquals(244, c.getBlue());
 		assertEquals(255, c.getAlpha());
 
 		c = new Color(50, 133, 64, 33);
@@ -28,7 +28,7 @@ class ColorTest {
 		assertEquals(64, c.getBlue());
 		assertEquals(33, c.getAlpha());
 
-		c = new Color(255, 0, 0);
+		c = new Color(240, 80, 37);
 		assertEquals(Color.RED, c);
 
 		c = new Color(33, 50);
@@ -97,8 +97,9 @@ class ColorTest {
 		assertEquals(c1, c2);
 
 		Color yellow = new Color(255, 255, 0);
-		assertEquals(java.awt.Color.YELLOW, yellow);
-		assertNotEquals(java.awt.Color.YELLOW, Color.YELLOW);
+		assertNotEquals(java.awt.Color.YELLOW, yellow);
+		assertEquals(yellow, java.awt.Color.YELLOW);
+		assertNotEquals(Color.YELLOW, java.awt.Color.YELLOW);
 	}
 
 	@Test
@@ -132,7 +133,7 @@ class ColorTest {
 
 	@Test
 	void getRGBColor() {
-		Color c1 = Color.getRGBColor(0xFFFF0000);
+		Color c1 = Color.getRGBColor(0xFFF05025);
 		assertEquals(Color.RED, c1);
 	}
 
@@ -157,7 +158,7 @@ class ColorTest {
 		Color c;
 		float[] hsl;
 
-		c = Color.RED;
+		c = new Color(255, 0, 0);
 		hsl = Color.RGBtoHSL(c.getRGBA(), null);
 		assertArrayEquals(new float[]{0f,1f,.5f}, hsl, 0.0001f);
 
@@ -183,28 +184,37 @@ class ColorTest {
 	@Test
 	void getRGBA() {
 		Color yellow = new Color(255, 255, 0);
-		assertEquals(java.awt.Color.YELLOW.getRGB(), Color.YELLOW.getRGBA());
+		assertEquals(java.awt.Color.YELLOW.getRGB(), yellow.getRGBA());
 	}
 
 	@Test
 	void getRed() {
+		Color clr = new Color(123, 92, 0);
+		assertEquals(123, clr.getRed());
 	}
 
 	@Test
 	void getGreen() {
+		Color clr = new Color(123, 92, 0);
+		assertEquals(92, clr.getGreen());
 	}
 
 	@Test
 	void getBlue() {
+		Color clr = new Color(123, 92, 0);
+		assertEquals(0, clr.getBlue());
 	}
 
 	@Test
 	void getAlpha() {
+		Color clr = new Color(123, 92, 0);
+		assertEquals(255, clr.getAlpha());
+		Color clr2 = new Color(123, 92, 0, 45);
+		assertEquals(45, clr2.getAlpha());
 	}
 
 	@Test
 	void getJavaColor() {
-		assertEquals(java.awt.Color.YELLOW, Color.YELLOW.getJavaColor());
 		assertEquals(new java.awt.Color(255, 31, 124), new Color(255, 31, 124).getJavaColor());
 	}
 
@@ -212,16 +222,8 @@ class ColorTest {
 	void brighter() {
 	}
 
-	@Test
-	void testBrighter() {
-	}
-
 	@Test
 	void darker() {
 	}
 
-	@Test
-	void testDarker() {
-	}
-
 }

src/test/java/schule/ngb/zm/ConstantsTest.java

@@ -71,23 +71,23 @@ class ConstantsTest {
 	}
 
 	@Test
-	void b() {
-		assertTrue(Constants.getBool(true));
-		assertFalse(Constants.getBool(false));
-		assertTrue(Constants.getBool(1));
-		assertFalse(Constants.getBool(0));
-		assertTrue(Constants.getBool(4.0));
-		assertFalse(Constants.getBool(0.0));
-		assertTrue(Constants.getBool(4.0f));
-		assertFalse(Constants.getBool(0.0f));
-		assertTrue(Constants.getBool(4L));
-		assertFalse(Constants.getBool(0L));
-		assertTrue(Constants.getBool("true"));
-		assertTrue(Constants.getBool("True"));
-		assertFalse(Constants.getBool("1"));
-		assertFalse(Constants.getBool("false"));
-		assertFalse(Constants.getBool("yes"));
-		assertFalse(Constants.getBool("no"));
+	void asBool() {
+		assertTrue(Constants.asBool(true));
+		assertFalse(Constants.asBool(false));
+		assertTrue(Constants.asBool(1));
+		assertFalse(Constants.asBool(0));
+		assertTrue(Constants.asBool(4.0));
+		assertFalse(Constants.asBool(0.0));
+		assertTrue(Constants.asBool(4.0f));
+		assertFalse(Constants.asBool(0.0f));
+		assertTrue(Constants.asBool(4L));
+		assertFalse(Constants.asBool(0L));
+		assertTrue(Constants.asBool("true"));
+		assertTrue(Constants.asBool("True"));
+		assertFalse(Constants.asBool("1"));
+		assertFalse(Constants.asBool("false"));
+		assertFalse(Constants.asBool("yes"));
+		assertFalse(Constants.asBool("no"));
 	}
 
 	@Test
@@ -128,4 +128,45 @@ class ConstantsTest {
 		assertEquals(.8f, Math.abs(t/(t+f)), .01f);
 	}
 
+	@Test
+	void noise() {
+		double lastNoise = -1.0;
+		for( int i = 0; i < 100; i++ ) {
+			double thisNoise = Constants.noise(i * 0.005);
+
+			assertInRange(thisNoise);
+			assertNotEquals(lastNoise, thisNoise);
+			assertEquals(thisNoise, Constants.noise(i * 0.005), 0.0001);
+
+			lastNoise = thisNoise;
+		}
+
+		lastNoise = -1.0;
+		for( int i = 0; i < 100; i++ ) {
+			double thisNoise = Constants.noise(i * 0.005, 0.1);
+
+			assertInRange(thisNoise);
+			assertNotEquals(lastNoise, thisNoise);
+			assertEquals(thisNoise, Constants.noise(i * 0.005, 0.1), 0.0001);
+
+			lastNoise = thisNoise;
+		}
+
+		lastNoise = -1.0;
+		for( int i = 0; i < 100; i++ ) {
+			double thisNoise = Constants.noise(i * 0.005, 5.5, 100.0/(i+1));
+
+			assertInRange(thisNoise);
+			assertNotEquals(lastNoise, thisNoise);
+			assertEquals(thisNoise, Constants.noise(i * 0.005, 5.5, 100.0/(i+1)), 0.0001);
+
+			lastNoise = thisNoise;
+		}
+	}
+
+	private void assertInRange( double d ) {
+		assertFalse(Double.isNaN(d), "Noise value can't be NaN.");
+		assertTrue(0.0 <= d && 1.0 >= d, "Noise should be in Range 0 to 1. Was <" + d + ">.");
+	}
+
 }

src/test/java/schule/ngb/zm/TestAttraction.java

@@ -38,7 +38,7 @@ public class TestAttraction extends Zeichenmaschine {
         posC = new Vector(200, 100);
         velC = new Vector(1, 14);
 
-        drawing.translate(width /2, height /2);
+        drawing.translate(canvasWidth /2, canvasHeight /2);
         drawing.shear(0.1, 0.5);
 
         recht = new Rectangle(50, 50, 150, 75);
@@ -84,7 +84,7 @@ public class TestAttraction extends Zeichenmaschine {
 
         shapes.clear();
 				double x = recht.getX();
-        x = (x+100*delta)% width;
+        x = (x+100*delta)% canvasWidth;
 				recht.setX(x);
     }
 

src/test/java/schule/ngb/zm/TestShapes.java

@@ -7,7 +7,6 @@ import schule.ngb.zm.shapes.Rectangle;
 import schule.ngb.zm.shapes.Shape;
 
 import java.awt.geom.Point2D;
-import java.util.Random;
 
 public class TestShapes extends Zeichenmaschine {
 
@@ -65,7 +64,7 @@ public class TestShapes extends Zeichenmaschine {
 
 	public void shapePositions() {
 		int pad = 24;
-		Rectangle bounds = new Rectangle(pad, pad, width-pad, height-pad);
+		Rectangle bounds = new Rectangle(pad, pad, canvasWidth -pad, canvasHeight -pad);
 
 		Rectangle[] rects = new Rectangle[5];
 		for( int i = 0; i < rects.length; i++ ) {

src/test/java/schule/ngb/zm/util/FileLoaderTest.java

@@ -0,0 +1,81 @@
+package schule.ngb.zm.util;
+
+import org.junit.jupiter.api.Test;
+
+import java.nio.charset.StandardCharsets;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class FileLoaderTest {
+
+	@Test
+	void loadLines() {
+		String[] data;
+		List<String> lines;
+
+		data = new String[]{
+			"Header1,Header2,Header3",
+			"1.1,1.2,1.3",
+			"2.1,2.2,2.3",
+			"3.1,3.2,3.3"
+		};
+
+		lines = FileLoader.loadLines("data_comma.csv");
+		assertEquals(data.length, lines.size());
+		for( int i = 0; i < lines.size(); i++ ) {
+			assertEquals(data[i], lines.get(i));
+		}
+
+		data = new String[]{
+			"Nöme;Häder2;Straße",
+			"1.1;1.2;1.3",
+			"2.1;2.2;2.3",
+			"3.1;3.2;3.3"
+		};
+
+		lines = FileLoader.loadLines("data_semicolon_latin.csv", FileLoader.ISO_8859_1);
+		assertEquals(data.length, lines.size());
+		for( int i = 0; i < lines.size(); i++ ) {
+			assertEquals(data[i], lines.get(i));
+		}
+	}
+
+	@Test
+	void loadText() {
+		String data;
+		String text;
+
+		data = "Header1,Header2,Header3\n" +
+			"1.1,1.2,1.3\n" +
+			"2.1,2.2,2.3\n" +
+			"3.1,3.2,3.3\n";
+		text = FileLoader.loadText("data_comma.csv");
+		assertEquals(data, text);
+
+		data = "Nöme;Häder2;Straße\n" +
+			"1.1;1.2;1.3\n" +
+			"2.1;2.2;2.3\n" +
+			"3.1;3.2;3.3\n";
+		text = FileLoader.loadText("data_semicolon_latin.csv", FileLoader.ISO_8859_1);
+		assertEquals(data, text);
+	}
+
+	@Test
+	void loadCsv() {
+		double[][] data;
+		double[][] csv;
+
+		data = new double[][]{
+			{1.1,1.2,1.3},
+			{2.1,2.2,2.3},
+			{3.1,3.2,3.3}
+		};
+		csv = FileLoader.loadDoubles("data_comma.csv", ',', true);
+		assertArrayEquals(data, csv);
+
+		csv = FileLoader.loadDoubles("data_semicolon_latin.csv", ';', true, FileLoader.ISO_8859_1);
+		assertArrayEquals(data, csv);
+	}
+
+}

src/test/java/schule/ngb/zm/util/NoiseTest.java

@@ -0,0 +1,126 @@
+package schule.ngb.zm.util;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class NoiseTest {
+
+	@Test
+	void noise() {
+		int N = 1000;
+
+		Noise perlin = new Noise();
+		Noise perlin1 = new Noise(1001);
+		Noise perlin2 = new Noise(2002);
+		Noise perlin3 = new Noise(2002);
+
+		int pp1 = 0, p1p2 = 0;
+		for( int i = 1; i < N; i++ ) {
+			double x = i * 0.005;
+
+			assertInRange(perlin.noise(x));
+			assertInRange(perlin1.noise(x));
+			assertInRange(perlin2.noise(x));
+			if( perlin.noise(x) == perlin1.noise(x) ) {
+				pp1++;
+			}
+			if( perlin1.noise(x) == perlin2.noise(x) ) {
+				p1p2++;
+			}
+			assertEquals(perlin2.noise(x), perlin3.noise(x), "perlin2 and perlin3 should be equal for input " + x);
+		}
+		assertTrue(pp1 < N * 0.75, "perlin and perlin1 should not be equal more than 75% (was " + pp1 / 1000.0 + ")");
+		assertTrue(p1p2 < N * 0.75, "perlin1 and perlin2 should not be equal more than 75% (was " + p1p2 / 1000.0 + ")");
+	}
+
+	private void assertInRange( double d ) {
+		assertTrue(0.0 <= d && 1.0 >= d);
+	}
+
+	private void assertInRange( double d, double min, double max ) {
+		assertTrue(min <= d && max >= d);
+	}
+
+	@Test
+	void noise2d() {
+		int N = 100;
+
+		Noise perlin = new Noise();
+		Noise perlin1 = new Noise(1001);
+		Noise perlin2 = new Noise(2002);
+		Noise perlin3 = new Noise(2002);
+
+		int pp1 = 0, p1p2 = 0;
+		for( int i = 1; i < N; i++ ) {
+			for( int j = 0; j < N; j++ ) {
+				double x = i * 0.005;
+				double y = j * 0.001;
+
+				assertInRange(perlin.noise(x, y));
+				assertInRange(perlin1.noise(x, y));
+				assertInRange(perlin2.noise(x, y));
+				if( perlin.noise(x, y) == perlin1.noise(x, y) ) {
+					pp1++;
+				}
+				if( perlin1.noise(x, y) == perlin2.noise(x, y) ) {
+					p1p2++;
+				}
+				assertEquals(perlin2.noise(x, y), perlin3.noise(x, y), "perlin2 and perlin3 should be equal for input " + x + "," + y);
+			}
+		}
+		assertTrue(pp1 < N * N * 0.75, "perlin and perlin1 should not be equal more than 75% (was " + (pp1 / 1.0 * N * N) + ")");
+		assertTrue(p1p2 < N * N * 0.75, "perlin1 and perlin2 should not be equal more than 75% (was " + (p1p2 / 1.0 * N * N) + ")");
+	}
+
+	@Test
+	void noise3d() {
+		int N = 100;
+
+		Noise perlin = new Noise();
+		Noise perlin1 = new Noise(1001);
+		Noise perlin2 = new Noise(2002);
+		Noise perlin3 = new Noise(2002);
+
+		int pp1 = 0, p1p2 = 0;
+		for( int i = 1; i < N; i++ ) {
+			for( int j = 0; j < N; j++ ) {
+				for( int k = 0; k < N; k++ ) {
+					double x = i * 0.005;
+					double y = j * 0.001;
+					double z = k * 0.004;
+
+					assertInRange(perlin.noise(x, y, z));
+					assertInRange(perlin1.noise(x, y, z));
+					assertInRange(perlin2.noise(x, y, z));
+					if( perlin.noise(x, y, z) == perlin1.noise(x, y, z) ) {
+						pp1++;
+					}
+					if( perlin1.noise(x, y, z) == perlin2.noise(x, y, z) ) {
+						p1p2++;
+					}
+					assertEquals(perlin2.noise(x, y, z), perlin3.noise(x, y, z), "perlin2 and perlin3 should be equal for input " + x + "," + y);
+				}
+			}
+		}
+		assertTrue(pp1 < N * N * N* 0.75, "perlin and perlin1 should not be equal more than 75% (was " + (pp1 / 1.0 * N * N * N) + ")");
+		assertTrue(p1p2 < N * N * N * 0.75, "perlin1 and perlin2 should not be equal more than 75% (was " + (p1p2 / 1.0 * N * N * N) + ")");
+	}
+
+	@Test
+	void range() {
+		Noise perlin = new Noise(1001);
+		perlin.setRange(100, 255);
+
+		for( int i = 0; i < 1000; i++ ) {
+			assertInRange(perlin.noise(i * 0.005), 100, 255);
+		}
+
+		perlin.setRange(-100, 100);
+
+		for( int i = 0; i < 1000; i++ ) {
+			assertInRange(perlin.noise(i * 0.005), -100, 100);
+		}
+	}
+
+}

src/test/resources/data_comma.csv

@@ -0,0 +1,4 @@
+Header1,Header2,Header3
+1.1,1.2,1.3
+2.1,2.2,2.3
+3.1,3.2,3.3

src/test/resources/data_semicolon.csv

@@ -0,0 +1,4 @@
+Header1;Header2;Header3
+1.1;1.2;1.3
+2.1;2.2;2.3
+3.1;3.2;3.3

src/test/resources/data_semicolon_latin.csv

@@ -0,0 +1,4 @@
+Nöme;Häder2;Straße
+1.1;1.2;1.3
+2.1;2.2;2.3
+3.1;3.2;3.3