git.gag.com Git - debian/openrocket/blob - core/test/net/sf/openrocket/optimization/rocketoptimization/modifiers/TestGenericModifier.java

   1 package net.sf.openrocket.optimization.rocketoptimization.modifiers;
   2
   3 import static net.sf.openrocket.util.MathUtil.EPSILON;
   4 import static org.junit.Assert.assertEquals;
   5 import net.sf.openrocket.document.OpenRocketDocument;
   6 import net.sf.openrocket.document.Simulation;
   7 import net.sf.openrocket.optimization.general.OptimizationException;
   8 import net.sf.openrocket.rocketcomponent.Rocket;
   9 import net.sf.openrocket.unit.UnitGroup;
  10
  11 import org.junit.Assert;
  12 import org.junit.Before;
  13 import org.junit.Test;
  14
  15 public class TestGenericModifier {
  16
  17         private TestValue value;
  18         private GenericModifier<TestValue> gm;
  19         private Simulation sim;
  20
  21         @Before
  22         public void setup() {
  23                 value = new TestValue();
  24                 Rocket rocket = new Rocket();
  25
  26                 sim = new Simulation(new OpenRocketDocument(rocket), rocket);
  27
  28                 Object related = new Object();
  29
  30                 gm = new GenericModifier<TestGenericModifier.TestValue>("Test modifier", "Description", related,
  31                                 UnitGroup.UNITS_NONE, 2.0, TestValue.class, "value") {
  32                         @Override
  33                         protected TestValue getModifiedObject(Simulation simulation) {
  34                                 Assert.assertTrue(simulation == sim);
  35                                 return value;
  36                         }
  37                 };
  38
  39                 gm.setMinValue(0.5);
  40                 gm.setMaxValue(5.5);
  41         }
  42
  43         @Test
  44         public void testGetCurrentValue() throws OptimizationException {
  45                 value.d = 1.0;
  46                 assertEquals(2.0, gm.getCurrentSIValue(sim), EPSILON);
  47                 value.d = 2.0;
  48                 assertEquals(4.0, gm.getCurrentSIValue(sim), EPSILON);
  49         }
  50
  51         @Test
  52         public void testGetCurrentScaledValue() throws OptimizationException {
  53                 value.d = 0.0;
  54                 assertEquals(-0.1, gm.getCurrentScaledValue(sim), EPSILON);
  55                 value.d = 1.0;
  56                 assertEquals(0.3, gm.getCurrentScaledValue(sim), EPSILON);
  57                 value.d = 2.0;
  58                 assertEquals(0.7, gm.getCurrentScaledValue(sim), EPSILON);
  59                 value.d = 3.0;
  60                 assertEquals(1.1, gm.getCurrentScaledValue(sim), EPSILON);
  61         }
  62
  63         @Test
  64         public void testModify() throws OptimizationException {
  65                 value.d = 0.0;
  66                 gm.modify(sim, -0.5);
  67                 assertEquals(-1.0, value.d, EPSILON);
  68
  69                 gm.modify(sim, 0.0);
  70                 assertEquals(0.25, value.d, EPSILON);
  71
  72                 gm.modify(sim, 0.5);
  73                 assertEquals(1.5, value.d, EPSILON);
  74
  75                 gm.modify(sim, 1.0);
  76                 assertEquals(2.75, value.d, EPSILON);
  77
  78                 gm.modify(sim, 1.5);
  79                 assertEquals(4.0, value.d, EPSILON);
  80         }
  81
  82         public void testSingularRange() throws OptimizationException {
  83                 gm.setMinValue(1.0);
  84                 gm.setMaxValue(1.0);
  85                 value.d = 0.5;
  86                 assertEquals(0.0, gm.getCurrentScaledValue(sim), EPSILON);
  87                 value.d = 1.0;
  88                 assertEquals(0.5, gm.getCurrentScaledValue(sim), EPSILON);
  89                 value.d = 1.00001;
  90                 assertEquals(1.0, gm.getCurrentScaledValue(sim), EPSILON);
  91         }
  92
  93         public class TestValue {
  94                 private double d;
  95
  96                 public double getValue() {
  97                         return d;
  98                 }
  99
 100                 public void setValue(double value) {
 101                         this.d = value;
 102                 }
 103         }
 104
 105 }