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Pull LinearInterpolator.main() into a JUnit test.

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This commit is contained in:
Kevin Ruland 2012-07-10 17:53:34 +00:00
parent f191e47f5b
commit 44b1593955
2 changed files with 32 additions and 12 deletions
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12
core/src/net/sf/openrocket/util/LinearInterpolator.java
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@ -113,16 +113,4 @@ public class LinearInterpolator implements Cloneable {
}
}
public static void main(String[] args) {
LinearInterpolator interpolator = new LinearInterpolator(
new double[] {1, 1.5, 2, 4, 5},
new double[] {0, 1, 0, 2, 2}
);
for (double x=0; x < 6; x+=0.1) {
System.out.printf("%.1f: %.2f\n", x, interpolator.getValue(x));
}
}
}

32
core/test/net/sf/openrocket/util/LinearInterpolatorTest.java Normal file
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@ -0,0 +1,32 @@
package net.sf.openrocket.util;
import static org.junit.Assert.*;
import org.junit.Test;
public class LinearInterpolatorTest {
@Test
public void oldMainTest() {
LinearInterpolator interpolator = new LinearInterpolator(
new double[] {1, 1.5, 2, 4, 5},
new double[] {0, 1, 0, 2, 2}
);
double[] answer = new double[] {
/* x=0 */ 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00,
/* x=1 */ 0.00, 0.20, 0.40, 0.60, 0.80, 1.00, 0.80, 0.60, 0.40, 0.20,
/* x=2 */ 0.00, 0.10, 0.20, 0.30, 0.40, 0.50, 0.60, 0.70, 0.80, 0.90,
/* x=3 */ 1.00, 1.10, 1.20, 1.30, 1.40, 1.50, 1.60, 1.70, 1.80, 1.90,
/* x=4 */ 2.00, 2.00, 2.00, 2.00, 2.00, 2.00, 2.00, 2.00, 2.00, 2.00,
/* x=5 */ 2.00, 2.00, 2.00, 2.00, 2.00, 2.00, 2.00, 2.00, 2.00, 2.00,
/* x=6 */ 2.00
};
double x = 0;
for (int i=0; i < answer.length; i++) {
assertEquals( "Answer wrong for x = " + x , answer[i], interpolator.getValue(x), 0.01 );
x+= 0.1;
}
}
}