51 lines
1.7 KiB
Java
51 lines
1.7 KiB
Java
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package lsystem;
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import lsystem.engine.Parser;
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import lsystem.engine.Rewrite;
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import lsystem.screen.gl3d.GLCanvas;
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import lsystem.utils.Pair;
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import org.junit.Test;
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import java.util.Arrays;
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import java.util.List;
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import static org.junit.Assert.*;
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public class TestLSystem {
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@Test
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public void parserTest() {
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GLCanvas joglFrame = new GLCanvas();
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Parser parser = new Parser("X", Arrays.asList("X=XY", "Y=X"), 5);
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List<Pair<String, String>> lSystemRules = parser.parseRules();
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joglFrame.setLSystem(parser.getAxiom(), lSystemRules, parser.getNbIterations());
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System.out.println(joglFrame.getLSystem());
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assertNotNull("L-System should not be null", joglFrame.getLSystem());
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}
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@Test
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public void rewriteTest(){
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Parser parser = new Parser("X", Arrays.asList("X=XY", "Y=X"), 7);
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String result = Rewrite.rewrite(parser.getAxiom(), parser.parseRules(), parser.getNbIterations());
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assertEquals("Not equals", "XYXXYXYXXYXXYXYXXYXYXXYXXYXYXXYXXY", result);
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}
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@Test
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public void incorrectTest() {
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Parser parser = new Parser("X", Arrays.asList("X=XY", "y=X"), 3);
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assertTrue(parser.isCorrect());
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parser = new Parser("X", Arrays.asList("X+XY" , "Y=X"), 3);
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assertFalse(parser.isCorrect());
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parser = new Parser("X", Arrays.asList("X=X++Y", "Y=X"), 3);
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assertTrue(parser.isCorrect());
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try {
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assertNotNull(Parser.parse(Rewrite.rewrite("X", new Parser("X", Arrays.asList("X=XY", "Y=X"), 3).parseRules(), 3)));
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} catch (NumberFormatException err) {
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System.out.println("fail");
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err.printStackTrace();
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fail();
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}
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}
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}
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