Examples of java.awt.geom.Line2D.intersectsLine()

java.awt.geom.Line2D.intersectsLine()
Tests if the line segment from {@code (x1,y1)} to {@code (x2,y2)} intersects this line segment. @param x1 the X coordinate of the start point of thespecified line segment @param y1 the Y coordinate of the start point of thespecified line segment @param x2 the X coordinate of the end point of thespecified line segment @param y2 the Y coordinate of the end point of thespecified line segment @return if this line segment and the specified line segmentintersect each other; false otherwise. @since 1.2

    harness.check(line1.intersectsLine(1.0, 1.0, 1.0, 0.0));
    harness.check(line1.intersectsLine(0.5, 0.5, 0.5, -0.5));
    harness.check(!line1.intersectsLine(0.0, 1.0, 1.0, 1.0));


    harness.check(line1.intersectsLine(new Line2D.Double(0.0, 0.0, 1.0, 0.0)));
    harness.check(line1.intersectsLine(new Line2D.Double(0.0, 0.0, 1.0, 1.0)));
    harness.check(line1.intersectsLine(new Line2D.Double(1.0, 1.0, 1.0, 0.0)));
    harness.check(line1.intersectsLine(new Line2D.Double(0.5, 0.5, 0.5, -0.5)));
    harness.check(!line1.intersectsLine(new Line2D.Double(0.0, 1.0, 1.0, 1.0)));


    boolean pass = false;

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    harness.check(line1.intersectsLine(0.5, 0.5, 0.5, -0.5));
    harness.check(!line1.intersectsLine(0.0, 1.0, 1.0, 1.0));


    harness.check(line1.intersectsLine(new Line2D.Double(0.0, 0.0, 1.0, 0.0)));
    harness.check(line1.intersectsLine(new Line2D.Double(0.0, 0.0, 1.0, 1.0)));
    harness.check(line1.intersectsLine(new Line2D.Double(1.0, 1.0, 1.0, 0.0)));
    harness.check(line1.intersectsLine(new Line2D.Double(0.5, 0.5, 0.5, -0.5)));
    harness.check(!line1.intersectsLine(new Line2D.Double(0.0, 1.0, 1.0, 1.0)));


    boolean pass = false;
    try {

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    harness.check(!line1.intersectsLine(0.0, 1.0, 1.0, 1.0));


    harness.check(line1.intersectsLine(new Line2D.Double(0.0, 0.0, 1.0, 0.0)));
    harness.check(line1.intersectsLine(new Line2D.Double(0.0, 0.0, 1.0, 1.0)));
    harness.check(line1.intersectsLine(new Line2D.Double(1.0, 1.0, 1.0, 0.0)));
    harness.check(line1.intersectsLine(new Line2D.Double(0.5, 0.5, 0.5, -0.5)));
    harness.check(!line1.intersectsLine(new Line2D.Double(0.0, 1.0, 1.0, 1.0)));


    boolean pass = false;
    try {
      line1.intersectsLine(null);

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    harness.check(line1.intersectsLine(new Line2D.Double(0.0, 0.0, 1.0, 0.0)));
    harness.check(line1.intersectsLine(new Line2D.Double(0.0, 0.0, 1.0, 1.0)));
    harness.check(line1.intersectsLine(new Line2D.Double(1.0, 1.0, 1.0, 0.0)));
    harness.check(line1.intersectsLine(new Line2D.Double(0.5, 0.5, 0.5, -0.5)));
    harness.check(!line1.intersectsLine(new Line2D.Double(0.0, 1.0, 1.0, 1.0)));


    boolean pass = false;
    try {
      line1.intersectsLine(null);
    }

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    harness.check(line1.intersectsLine(new Line2D.Double(0.5, 0.5, 0.5, -0.5)));
    harness.check(!line1.intersectsLine(new Line2D.Double(0.0, 1.0, 1.0, 1.0)));


    boolean pass = false;
    try {
      line1.intersectsLine(null);
    }
    catch (NullPointerException e) {
      pass = true;
    }
    harness.check(pass);

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  implements Testlet
{
  public void test(TestHarness harness)
  {
    Line2D line1 = new Line2D.Double(0.0, 0.0, 1.0, 0.0);
    harness.check(line1.intersectsLine(0.0, 0.0, 1.0, 0.0));
    harness.check(line1.intersectsLine(0.0, 0.0, 1.0, 1.0));
    harness.check(line1.intersectsLine(1.0, 1.0, 1.0, 0.0));
    harness.check(line1.intersectsLine(0.5, 0.5, 0.5, -0.5));
    harness.check(!line1.intersectsLine(0.0, 1.0, 1.0, 1.0));

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{
  public void test(TestHarness harness)
  {
    Line2D line1 = new Line2D.Double(0.0, 0.0, 1.0, 0.0);
    harness.check(line1.intersectsLine(0.0, 0.0, 1.0, 0.0));
    harness.check(line1.intersectsLine(0.0, 0.0, 1.0, 1.0));
    harness.check(line1.intersectsLine(1.0, 1.0, 1.0, 0.0));
    harness.check(line1.intersectsLine(0.5, 0.5, 0.5, -0.5));
    harness.check(!line1.intersectsLine(0.0, 1.0, 1.0, 1.0));


    harness.check(line1.intersectsLine(new Line2D.Double(0.0, 0.0, 1.0, 0.0)));

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  public void test(TestHarness harness)
  {
    Line2D line1 = new Line2D.Double(0.0, 0.0, 1.0, 0.0);
    harness.check(line1.intersectsLine(0.0, 0.0, 1.0, 0.0));
    harness.check(line1.intersectsLine(0.0, 0.0, 1.0, 1.0));
    harness.check(line1.intersectsLine(1.0, 1.0, 1.0, 0.0));
    harness.check(line1.intersectsLine(0.5, 0.5, 0.5, -0.5));
    harness.check(!line1.intersectsLine(0.0, 1.0, 1.0, 1.0));


    harness.check(line1.intersectsLine(new Line2D.Double(0.0, 0.0, 1.0, 0.0)));
    harness.check(line1.intersectsLine(new Line2D.Double(0.0, 0.0, 1.0, 1.0)));

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  {
    Line2D line1 = new Line2D.Double(0.0, 0.0, 1.0, 0.0);
    harness.check(line1.intersectsLine(0.0, 0.0, 1.0, 0.0));
    harness.check(line1.intersectsLine(0.0, 0.0, 1.0, 1.0));
    harness.check(line1.intersectsLine(1.0, 1.0, 1.0, 0.0));
    harness.check(line1.intersectsLine(0.5, 0.5, 0.5, -0.5));
    harness.check(!line1.intersectsLine(0.0, 1.0, 1.0, 1.0));


    harness.check(line1.intersectsLine(new Line2D.Double(0.0, 0.0, 1.0, 0.0)));
    harness.check(line1.intersectsLine(new Line2D.Double(0.0, 0.0, 1.0, 1.0)));
    harness.check(line1.intersectsLine(new Line2D.Double(1.0, 1.0, 1.0, 0.0)));

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    Line2D line1 = new Line2D.Double(0.0, 0.0, 1.0, 0.0);
    harness.check(line1.intersectsLine(0.0, 0.0, 1.0, 0.0));
    harness.check(line1.intersectsLine(0.0, 0.0, 1.0, 1.0));
    harness.check(line1.intersectsLine(1.0, 1.0, 1.0, 0.0));
    harness.check(line1.intersectsLine(0.5, 0.5, 0.5, -0.5));
    harness.check(!line1.intersectsLine(0.0, 1.0, 1.0, 1.0));


    harness.check(line1.intersectsLine(new Line2D.Double(0.0, 0.0, 1.0, 0.0)));
    harness.check(line1.intersectsLine(new Line2D.Double(0.0, 0.0, 1.0, 1.0)));
    harness.check(line1.intersectsLine(new Line2D.Double(1.0, 1.0, 1.0, 0.0)));
    harness.check(line1.intersectsLine(new Line2D.Double(0.5, 0.5, 0.5, -0.5)));

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