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package test.javafx.scene.shape;

import com.sun.javafx.geom.Path2D;
import com.sun.javafx.geom.PathIterator;
import com.sun.javafx.scene.NodeHelper;
import com.sun.javafx.scene.shape.PathElementHelper;
import com.sun.javafx.sg.prism.NGPath;
import javafx.beans.property.DoubleProperty;
import javafx.beans.property.SimpleDoubleProperty;
import javafx.scene.Group;
import test.javafx.scene.NodeTest;
import javafx.scene.Scene;
import javafx.scene.shape.MoveTo;
import javafx.scene.shape.Path;
import javafx.scene.shape.VLineTo;
import org.junit.Test;

import static org.junit.Assert.*;


public class VLineToTest {

    @Test public void testAddTo() throws Exception {
        Path2D path = new Path2D();
        path.moveTo(0f, 0f);
        final VLineTo vLineTo = new VLineTo(1f);
        PathElementHelper.addTo(vLineTo, path);
        assertEquals(0.0, path.getCurrentPoint().x, 0.0001f);
        assertEquals(1.0, path.getCurrentPoint().y, 0.0001f);
    }

    @Test public void testDoublePropertySynced_Y() {
        double expected = 123.4;
        VLineTo vlineTo = new VLineTo(100.0);
        DoubleProperty v = new SimpleDoubleProperty(100.0);
        vlineTo.yProperty().bind(v);
        Path path = new Path();
        path.getElements().addAll(new MoveTo(1.0, 1.0), vlineTo);
        ((Group)new Scene(new Group()).getRoot()).getChildren().add(path);

        v.set(expected);
        NodeTest.syncNode(path);

        //check
        NGPath pgPath = NodeHelper.getPeer(path);
        Path2D geometry = pgPath.getGeometry();
        float[] coords = new float[6];
        PathIterator it = geometry.getPathIterator(null);
        it.next(); //next is VLineTo segment
        int segType = it.currentSegment(coords);
        assertEquals(segType, PathIterator.SEG_LINETO);
        assertEquals(expected, coords[1], 0.001);
    }

    @Test public void toStringShouldReturnNonEmptyString() {
        String s = new VLineTo().toString();
        assertNotNull(s);
        assertFalse(s.isEmpty());
    }
}
