TestParsingPsline.java

package test.parser.pst;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.text.ParseException;

import net.sf.latexdraw.models.interfaces.shape.ArrowStyle;
import net.sf.latexdraw.models.interfaces.shape.IPolyline;
import net.sf.latexdraw.models.interfaces.shape.IShape;
import net.sf.latexdraw.view.pst.PSTricksConstants;
import net.sf.latexdraw.parsers.pst.parser.PSTParser;

import org.junit.Test;

public class TestParsingPsline extends TestParsingShape {
	@Test
	public void testBugTwoSameArrows() throws ParseException {
		IPolyline sh = (IPolyline)parser.parsePSTCode("\\psline{<-<}(-0.1,-0.2)(2,5)").get().getShapeAt(0); //$NON-NLS-1$
		assertTrue(PSTParser.errorLogs().isEmpty());
		assertEquals(sh.getArrowAt(0).getArrowStyle(), ArrowStyle.LEFT_ARROW);
		assertEquals(sh.getArrowAt(1).getArrowStyle(), ArrowStyle.LEFT_ARROW);
		assertTrue(sh.getArrowAt(0) != sh.getArrowAt(1));
	}

	@Test
	public void testUnit() throws ParseException {
		IPolyline sh = (IPolyline)parser.parsePSTCode("\\psset{unit=2}\\psline[linewidth=0.3,linestyle=dashed](2,3)(1cm,2cm)").get().getShapeAt(0); //$NON-NLS-1$
		assertTrue(PSTParser.errorLogs().isEmpty());
		assertEquals(2. * 2. * IShape.PPC, sh.getPtAt(0).getX(), 0.0001);
		assertEquals(-3. * 2. * IShape.PPC, sh.getPtAt(0).getY(), 0.0001);
		assertEquals(IShape.PPC, sh.getPtAt(1).getX(), 0.0001);
		assertEquals(-2. * IShape.PPC, sh.getPtAt(1).getY(), 0.0001);
	}

	@Test
	public void testcornersizeParsed() throws ParseException {
		parser.parsePSTCode("\\" + getCommandName() + "[cornersize=relative](5,10)").get().getShapeAt(0); //$NON-NLS-1$ //$NON-NLS-2$
		assertTrue(PSTParser.errorLogs().isEmpty());
	}

	@Test
	public void testLinearcParsed() throws ParseException {
		parser.parsePSTCode("\\" + getCommandName() + "[linearc=0.3cm](5,10)").get().getShapeAt(0); //$NON-NLS-1$ //$NON-NLS-2$
		assertTrue(PSTParser.errorLogs().isEmpty());
	}

	@Test
	public void testMoreThanTwoPointsCoordinates() throws ParseException {
		IPolyline line = (IPolyline)parser.parsePSTCode("\\" + getCommandName() + "(5,10)(6, 7) (1, 2) % foo \n(3, \t4)").get().getShapeAt(0); //$NON-NLS-1$ //$NON-NLS-2$
		assertEquals(4, line.getNbPoints());
		assertEquals(5. * IShape.PPC, line.getPtAt(0).getX(), 0.0001);
		assertEquals(-10. * IShape.PPC, line.getPtAt(0).getY(), 0.0001);
		assertEquals(6. * IShape.PPC, line.getPtAt(1).getX(), 0.0001);
		assertEquals(-7. * IShape.PPC, line.getPtAt(1).getY(), 0.0001);
		assertEquals(1. * IShape.PPC, line.getPtAt(2).getX(), 0.0001);
		assertEquals(-2. * IShape.PPC, line.getPtAt(2).getY(), 0.0001);
		assertEquals(3. * IShape.PPC, line.getPtAt(3).getX(), 0.0001);
		assertEquals(-4. * IShape.PPC, line.getPtAt(3).getY(), 0.0001);
		assertTrue(PSTParser.errorLogs().isEmpty());
	}

	@Test
	public void test1Coordinates() throws ParseException {
		IPolyline line = (IPolyline)parser.parsePSTCode("\\" + getCommandName() + "(5,10)").get().getShapeAt(0); //$NON-NLS-1$ //$NON-NLS-2$
		assertEquals(2, line.getNbPoints());
		assertEquals(0., line.getPtAt(0).getX(), 0.0001);
		assertEquals(0., line.getPtAt(0).getY(), 0.0001);
		assertEquals(5. * IShape.PPC, line.getPtAt(1).getX(), 0.0001);
		assertEquals(-10. * IShape.PPC, line.getPtAt(1).getY(), 0.0001);
		assertTrue(PSTParser.errorLogs().isEmpty());
	}

	@Test
	public void testCoordinatesPt() throws ParseException {
		IPolyline line = (IPolyline)parser.parsePSTCode("\\" + getCommandName() + "(35pt,20pt)(10pt,5pt)").get().getShapeAt(0); //$NON-NLS-1$ //$NON-NLS-2$
		assertEquals(2, line.getNbPoints());
		assertEquals(35. * IShape.PPC / PSTricksConstants.CM_VAL_PT, line.getPtAt(0).getX(), 0.0001);
		assertEquals(-20. * IShape.PPC / PSTricksConstants.CM_VAL_PT, line.getPtAt(0).getY(), 0.0001);
		assertEquals(10. * IShape.PPC / PSTricksConstants.CM_VAL_PT, line.getPtAt(1).getX(), 0.0001);
		assertEquals(-5. * IShape.PPC / PSTricksConstants.CM_VAL_PT, line.getPtAt(1).getY(), 0.0001);
		assertTrue(PSTParser.errorLogs().isEmpty());
	}

	@Test
	public void testCoordinatesMm() throws ParseException {
		IPolyline line = (IPolyline)parser.parsePSTCode("\\" + getCommandName() + "(350mm,200mm)(10mm, 30.3mm)").get().getShapeAt(0); //$NON-NLS-1$ //$NON-NLS-2$
		assertEquals(2, line.getNbPoints());
		assertEquals(35. * IShape.PPC, line.getPtAt(0).getX(), 0.0001);
		assertEquals(-20. * IShape.PPC, line.getPtAt(0).getY(), 0.0001);
		assertEquals(1. * IShape.PPC, line.getPtAt(1).getX(), 0.0001);
		assertEquals(-3.03 * IShape.PPC, line.getPtAt(1).getY(), 0.0001);
		assertTrue(PSTParser.errorLogs().isEmpty());
	}

	@Test
	public void testCoordinatesInch() throws ParseException {
		IPolyline line = (IPolyline)parser.parsePSTCode("\\" + getCommandName() + "(35in,20in)(1.2in,0.2in)").get().getShapeAt(0); //$NON-NLS-1$ //$NON-NLS-2$
		assertEquals(35. * IShape.PPC / 2.54, line.getPtAt(0).getX(), 0.0001);
		assertEquals(-20. * IShape.PPC / 2.54, line.getPtAt(0).getY(), 0.0001);
		assertEquals(1.2 * IShape.PPC / 2.54, line.getPtAt(1).getX(), 0.0001);
		assertEquals(-0.2 * IShape.PPC / 2.54, line.getPtAt(1).getY(), 0.0001);
		assertTrue(PSTParser.errorLogs().isEmpty());
	}

	@Test
	public void testCoordinatesCm() throws ParseException {
		IPolyline line = (IPolyline)parser.parsePSTCode("\\" + getCommandName() + "(35cm,20cm)(1.2cm,2cm)").get().getShapeAt(0); //$NON-NLS-1$ //$NON-NLS-2$
		assertEquals(35. * IShape.PPC, line.getPtAt(0).getX(), 0.0001);
		assertEquals(-20. * IShape.PPC, line.getPtAt(0).getY(), 0.0001);
		assertEquals(1.2 * IShape.PPC, line.getPtAt(1).getX(), 0.0001);
		assertEquals(-2. * IShape.PPC, line.getPtAt(1).getY(), 0.0001);
		assertTrue(PSTParser.errorLogs().isEmpty());
	}

	@Test
	public void testFloatSigns() throws ParseException {
		IPolyline line = (IPolyline)parser.parsePSTCode("\\" + getCommandName() + "(+++35.5,--50.5)(--+12, -1)").get().getShapeAt(0); //$NON-NLS-1$ //$NON-NLS-2$
		assertEquals(35.5 * IShape.PPC, line.getPtAt(0).getX(), 0.0001);
		assertEquals(-50.5 * IShape.PPC, line.getPtAt(0).getY(), 0.0001);
		assertEquals(12. * IShape.PPC, line.getPtAt(1).getX(), 0.0001);
		assertEquals(1. * IShape.PPC, line.getPtAt(1).getY(), 0.0001);
		assertTrue(PSTParser.errorLogs().isEmpty());
	}

	@Test
	public void testCoordinatesFloat2() throws ParseException {
		IPolyline line = (IPolyline)parser.parsePSTCode("\\" + getCommandName() + "(35.5,50.5)(12, 1)").get().getShapeAt(0); //$NON-NLS-1$ //$NON-NLS-2$
		assertEquals(35.5 * IShape.PPC, line.getPtAt(0).getX(), 0.0001);
		assertEquals(-50.5 * IShape.PPC, line.getPtAt(0).getY(), 0.0001);
		assertEquals(12. * IShape.PPC, line.getPtAt(1).getX(), 0.0001);
		assertEquals(-1. * IShape.PPC, line.getPtAt(1).getY(), 0.0001);
		assertTrue(PSTParser.errorLogs().isEmpty());
	}

	@Test(expected = ParseException.class)
	public void testErrorOnNoPoint() throws ParseException {
		parser.parsePSTCode("\\" + getCommandName() + "").get().isEmpty(); //$NON-NLS-1$ //$NON-NLS-2$
	}

	@Override
	public String getCommandName() {
		return "psline"; //$NON-NLS-1$
	}

	@Override
	public String getBasicCoordinates() {
		return "(10,10)(20,20)(30,30)"; //$NON-NLS-1$
	}
}