mirror of
https://github.com/plexusorg/Plex-FAWE.git
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132 lines
4.7 KiB
Java
132 lines
4.7 KiB
Java
package com.sk89q.worldedit;
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import org.junit.*;
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import static org.junit.Assert.*;
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public class VectorTest {
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@Test
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public void collinearityTest() {
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assertCollinear(0,0,0, 0,0,0);
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assertCollinear(0,0,0, 1,0,0);
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assertCollinear(0,0,0, 0,1,0);
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assertCollinear(0,0,0, 0,0,1);
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assertCollinear(1,0,0, 0,0,0);
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assertCollinear(0,1,0, 0,0,0);
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assertCollinear(0,0,1, 0,0,0);
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assertCollinear(1,0,0, 2,0,0);
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assertNotCollinear(1,0,0, 0,1,0);
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assertNotCollinear(2,2,2, 8,4,4);
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assertCollinear(8,2,2, 8,2,2);
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assertNotCollinear(4,2,4, 4,4,4);
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assertNotCollinear(1,1,2, 4,8,2);
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assertNotCollinear(4,1,8, 1,4,4);
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assertCollinear(2,4,2, 1,2,1);
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assertNotCollinear(2,2,4, 1,2,1);
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assertNotCollinear(4,4,1, 4,4,4);
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assertNotCollinear(4,1,4, 1,8,2);
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assertCollinear(8,8,4, 4,4,2);
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assertNotCollinear(2,1,8, 1,1,2);
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assertNotCollinear(8,1,2, 2,1,2);
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assertNotCollinear(4,4,8, 2,2,8);
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assertNotCollinear(8,4,8, 1,4,8);
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assertNotCollinear(2,2,2, 1,4,2);
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assertNotCollinear(1,1,2, 8,8,2);
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assertNotCollinear(4,4,8, 8,4,4);
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assertNotCollinear(1,8,2, 4,4,4);
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assertNotCollinear(8,4,2, 1,2,2);
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assertNotCollinear(1,8,2, 8,1,4);
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assertNotCollinear(4,8,1, 4,8,8);
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assertNotCollinear(8,1,8, 8,8,8);
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assertNotCollinear(8,4,1, 4,2,2);
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assertNotCollinear(4,8,1, 4,2,1);
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assertNotCollinear(8,8,1, 2,4,2);
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assertCollinear(8,1,4, 8,1,4);
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assertNotCollinear(4,1,1, 2,4,8);
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assertNotCollinear(4,2,8, 1,4,1);
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assertNotCollinear(1,8,2, 1,8,1);
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assertNotCollinear(1,1,2, 4,2,2);
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assertCollinear(0,0, 0,0);
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assertCollinear(0,0, 1,0);
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assertCollinear(0,0, 0,1);
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assertCollinear(0,0, 0,0);
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assertCollinear(1,0, 0,0);
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assertCollinear(0,1, 0,0);
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assertCollinear(0,0, 0,0);
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assertCollinear(1,0, 2,0);
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assertNotCollinear(1,0, 0,1);
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assertNotCollinear(2,2, 8,4);
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assertCollinear(8,2, 8,2);
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assertNotCollinear(4,2, 4,4);
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assertNotCollinear(1,1, 4,8);
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assertNotCollinear(4,1, 1,4);
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assertCollinear(2,4, 1,2);
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assertNotCollinear(2,2, 1,2);
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assertCollinear(4,4, 4,4);
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assertNotCollinear(4,1, 1,8);
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assertCollinear(8,8, 4,4);
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assertNotCollinear(2,1, 1,1);
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assertNotCollinear(8,1, 2,1);
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assertCollinear(4,4, 2,2);
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assertNotCollinear(8,4, 1,4);
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assertNotCollinear(2,2, 1,4);
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assertCollinear(1,1, 8,8);
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assertNotCollinear(4,4, 8,4);
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assertNotCollinear(1,8, 4,4);
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assertNotCollinear(8,4, 1,2);
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assertNotCollinear(1,8, 8,1);
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assertCollinear(4,8, 4,8);
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assertNotCollinear(8,1, 8,8);
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assertCollinear(8,4, 4,2);
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assertNotCollinear(4,8, 4,2);
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assertNotCollinear(8,8, 2,4);
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assertCollinear(8,1, 8,1);
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assertNotCollinear(4,1, 2,4);
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assertNotCollinear(4,2, 1,4);
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assertCollinear(1,8, 1,8);
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assertNotCollinear(1,1, 4,2);
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}
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private void assertCollinear(double ax, double ay, double az, double bx, double by, double bz) {
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final Vector a = new Vector(ax,ay,az);
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final Vector b = new Vector(bx,by,bz);
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assertTrue(a.isCollinearWith(b));
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assertTrue(b.isCollinearWith(a));
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assertTrue(a.multiply(-1.0).isCollinearWith(b));
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assertTrue(a.isCollinearWith(b.multiply(-1.0)));
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}
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private void assertNotCollinear(double ax, double ay, double az, double bx, double by, double bz) {
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final Vector a = new Vector(ax,ay,az);
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final Vector b = new Vector(bx,by,bz);
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assertFalse(a.isCollinearWith(b));
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assertFalse(b.isCollinearWith(a));
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assertFalse(a.multiply(-1.0).isCollinearWith(b));
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assertFalse(a.isCollinearWith(b.multiply(-1.0)));
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}
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private void assertCollinear(double ax, double az, double bx, double bz) {
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final Vector2D a = new Vector2D(ax,az);
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final Vector2D b = new Vector2D(bx,bz);
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assertTrue(a.isCollinearWith(b));
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assertTrue(b.isCollinearWith(a));
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assertTrue(a.multiply(-1.0).isCollinearWith(b));
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assertTrue(a.isCollinearWith(b.multiply(-1.0)));
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}
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private void assertNotCollinear(double ax, double az, double bx, double bz) {
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final Vector2D a = new Vector2D(ax,az);
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final Vector2D b = new Vector2D(bx,bz);
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assertFalse(a.isCollinearWith(b));
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assertFalse(b.isCollinearWith(a));
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assertFalse(a.multiply(-1.0).isCollinearWith(b));
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assertFalse(a.isCollinearWith(b.multiply(-1.0)));
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}
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}
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