Method utils

tests/java/PathTest.java:288–315

()

    }

    public void utils() {
        assertEquals(false, Path.isLineDegenerate(new Point(0, 0), new Point(10, 0), false));
        assertEquals(true, Path.isLineDegenerate(new Point(0, 0), new Point(0, 0), true));
        assertEquals(true, Path.isLineDegenerate(new Point(0, 0), new Point(0, 0), false));
        assertEquals(false, Path.isLineDegenerate(new Point(0, 0), new Point(0, 1e-13f), true));
        // assertEquals(true, Path.isLineDegenerate(new Point(0, 0), new Point(0, 1e-13f), false));

        assertEquals(false, Path.isQuadDegenerate(new Point(0, 0), new Point(10, 0), new Point(0, 0), false));
        assertEquals(true, Path.isQuadDegenerate(new Point(0, 0), new Point(0, 0), new Point(0, 0), false));

        assertEquals(false, Path.isCubicDegenerate(new Point(0, 0), new Point(10, 0), new Point(0, 0), new Point(0, 0), false));
        assertEquals(true, Path.isCubicDegenerate(new Point(0, 0), new Point(0, 0), new Point(0, 0), new Point(0, 0), false));        

        assertArrayEquals(new Point[] {new Point(0, 20), new Point(6.666667f, 13.333334f)},
            Path.convertConicToQuads(new Point(0, 20), new Point(20, 0), new Point(40, 20), 0.5f, 1));
        assertArrayEquals(new Point[] {new Point(0, 20), new Point(3.0940108f, 16.905989f), new Point(8.452994f, 15.119661f), new Point(13.811978f, 13.333334f)},
            Path.convertConicToQuads(new Point(0, 20), new Point(20, 0), new Point(40, 20), 0.5f, 2));

        try (Path p = new Path().lineTo(40, 40)) {
            var g1 = p.getGenerationId();
            p.lineTo(10, 40);
            var g2 = p.getGenerationId();
            assertNotEquals(g1, g2);
            p.setFillMode(PathFillMode.EVEN_ODD);
            var g3 = p.getGenerationId();
            assertEquals(g2, g3);
        }
    }

    public void serialize() {
        try (Path p = new Path().lineTo(40, 40).lineTo(40, 0).lineTo(0, 40).lineTo(0, 0).closePath();) {