def test_save_cursor(): # a) cursor position screen = Screen(10, 10) screen.save_cursor() screen.cursor.x, screen.cursor.y = 3, 5 screen.save_cursor() screen.cursor.x, screen.cursor.y = 4, 4 screen.restore_cursor() assert screen.cursor.x == 3 assert screen.cursor.y == 5 screen.restore_cursor() assert screen.cursor.x == 0 assert screen.cursor.y == 0 # b) modes screen = Screen(10, 10) screen.set_mode(mo.DECAWM, mo.DECOM) screen.save_cursor() screen.reset_mode(mo.DECAWM) screen.restore_cursor() assert mo.DECAWM in screen.mode assert mo.DECOM in screen.mode # c) attributes screen = Screen(10, 10) screen.select_graphic_rendition(4) screen.save_cursor() screen.select_graphic_rendition(24) assert screen.cursor.attrs == screen.default_char screen.restore_cursor() assert screen.cursor.attrs != screen.default_char assert screen.cursor.attrs == Char(" ", underscore=True)
def test_draw(): # ``DECAWM`` on (default). screen = Screen(3, 3) assert mo.DECAWM in screen.mode map(screen.draw, "abc") assert screen.display == ["abc", " ", " "] assert (screen.cursor.y, screen.cursor.x) == (0, 3) # ... one` more character -- now we got a linefeed! screen.draw("a") assert (screen.cursor.y, screen.cursor.x) == (1, 1) # ``DECAWM`` is off. screen = Screen(3, 3) screen.reset_mode(mo.DECAWM) map(screen.draw, "abc") assert screen.display == ["abc", " ", " "] assert (screen.cursor.y, screen.cursor.x) == (0, 3) # No linefeed is issued on the end of the line ... screen.draw("a") assert screen.display == ["aba", " ", " "] assert (screen.cursor.y, screen.cursor.x) == (0, 3) # ``IRM`` mode is on, expecting new characters to move the old ones # instead of replacing them. screen.set_mode(mo.IRM) screen.cursor_position() screen.draw("x") assert screen.display == ["xab", " ", " "] screen.cursor_position() screen.draw("y") assert screen.display == ["yxa", " ", " "]