@Test
public void testCanvasBold() {

    Canvas c = new Canvas(10, 10);
    c.box(0, 0, 10, 10, Canvas.BOLD);
    assertEquals(//
                 "" + "┏━━━━━━━━┓\n" + "┃        ┃\n" + "┃        ┃\n" + "┃        ┃\n" + "┃        ┃\n" + "┃        ┃\n" + "┃        ┃\n" + "┃        ┃\n" + "┃        ┃\n" + "┗━━━━━━━━┛\n" + "", c.toString());
    c.box(2, 2, 6, 6, Canvas.BOLD);
    assertEquals("" + "┏━━━━━━━━┓\n" + "┃        ┃\n" + "┃ ┏━━━━┓ ┃\n" + "┃ ┃    ┃ ┃\n" + "┃ ┃    ┃ ┃\n" + "┃ ┃    ┃ ┃\n" + "┃ ┃    ┃ ┃\n" + "┃ ┗━━━━┛ ┃\n" + "┃        ┃\n" + "┗━━━━━━━━┛\n" + "", c.toString());
    c.box(0, 0, 6, 6, Canvas.BOLD);
    assertEquals("" + "┏━━━━┳━━━┓\n" + "┃    ┃   ┃\n" + "┃ ┏━━╋━┓ ┃\n" + "┃ ┃  ┃ ┃ ┃\n" + "┃ ┃  ┃ ┃ ┃\n" + "┣━╋━━┛ ┃ ┃\n" + "┃ ┃    ┃ ┃\n" + "┃ ┗━━━━┛ ┃\n" + "┃        ┃\n" + "┗━━━━━━━━┛\n" + "", c.toString());
    c.box(6, 6, 4, 4, Canvas.BOLD);
    assertEquals("" + "┏━━━━┳━━━┓\n" + "┃    ┃   ┃\n" + "┃ ┏━━╋━┓ ┃\n" + "┃ ┃  ┃ ┃ ┃\n" + "┃ ┃  ┃ ┃ ┃\n" + "┣━╋━━┛ ┃ ┃\n" + "┃ ┃   ┏╋━┫\n" + "┃ ┗━━━╋┛ ┃\n" + "┃     ┃  ┃\n" + "┗━━━━━┻━━┛\n" + "", c.toString());
}