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411 lines
14 KiB
Python
411 lines
14 KiB
Python
#!/usr/bin/env python
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# vim:fileencoding=utf-8
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# License: GPL v3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
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from . import BaseTest
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from kitty.fast_data_types import DECAWM, IRM, Cursor, DECCOLM, DECOM
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class TestScreen(BaseTest):
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def test_draw_fast(self):
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s = self.create_screen()
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# Test in line-wrap, non-insert mode
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s.draw('a' * 5)
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self.ae(str(s.line(0)), 'a' * 5)
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self.ae(s.cursor.x, 5), self.ae(s.cursor.y, 0)
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s.draw('b' * 7)
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self.assertTrue(s.linebuf.is_continued(1))
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self.assertTrue(s.linebuf.is_continued(2))
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self.ae(str(s.line(0)), 'a' * 5)
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self.ae(str(s.line(1)), 'b' * 5)
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self.ae(str(s.line(2)), 'b' * 2)
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self.ae(s.cursor.x, 2), self.ae(s.cursor.y, 2)
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s.draw('c' * 15)
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self.ae(str(s.line(0)), 'b' * 5)
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self.ae(str(s.line(1)), 'bbccc')
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# Now test without line-wrap
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s.reset(), s.reset_dirty()
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s.reset_mode(DECAWM)
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s.draw('0123456789')
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self.ae(str(s.line(0)), '01239')
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self.ae(s.cursor.x, 5), self.ae(s.cursor.y, 0)
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s.draw('ab')
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self.ae(str(s.line(0)), '0123b')
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self.ae(s.cursor.x, 5), self.ae(s.cursor.y, 0)
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# Now test in insert mode
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s.reset(), s.reset_dirty()
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s.set_mode(IRM)
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s.draw('12345' * 5)
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s.cursor_back(5)
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self.ae(s.cursor.x, 0), self.ae(s.cursor.y, 4)
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s.reset_dirty()
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s.draw('ab')
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self.ae(str(s.line(4)), 'ab123')
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self.ae((s.cursor.x, s.cursor.y), (2, 4))
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def test_draw_char(self):
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# Test in line-wrap, non-insert mode
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s = self.create_screen()
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s.draw('ココx')
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self.ae(str(s.line(0)), 'ココx')
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self.ae(tuple(map(s.line(0).width, range(5))), (2, 0, 2, 0, 1))
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self.ae(s.cursor.x, 5), self.ae(s.cursor.y, 0)
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s.draw('ニチハ')
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self.ae(str(s.line(0)), 'ココx')
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self.ae(str(s.line(1)), 'ニチ')
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self.ae(str(s.line(2)), 'ハ')
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self.ae(s.cursor.x, 2), self.ae(s.cursor.y, 2)
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s.draw('Ƶ̧\u0308')
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self.ae(str(s.line(2)), 'ハƵ̧\u0308')
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self.ae(s.cursor.x, 3), self.ae(s.cursor.y, 2)
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s.draw('xy'), s.draw('\u0306')
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self.ae(str(s.line(2)), 'ハƵ̧\u0308xy\u0306')
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self.ae(s.cursor.x, 5), self.ae(s.cursor.y, 2)
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s.draw('c' * 15)
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self.ae(str(s.line(0)), 'ニチ')
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# Now test without line-wrap
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s.reset(), s.reset_dirty()
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s.reset_mode(DECAWM)
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s.draw('0\u030612345\u03066789\u0306')
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self.ae(str(s.line(0)), '0\u03061239\u0306')
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self.ae(s.cursor.x, 5), self.ae(s.cursor.y, 0)
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s.draw('ab\u0306')
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self.ae(str(s.line(0)), '0\u0306123b\u0306')
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self.ae(s.cursor.x, 5), self.ae(s.cursor.y, 0)
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# Now test in insert mode
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s.reset(), s.reset_dirty()
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s.set_mode(IRM)
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s.draw('1\u03062345' * 5)
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s.cursor_back(5)
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self.ae(s.cursor.x, 0), self.ae(s.cursor.y, 4)
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s.reset_dirty()
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s.draw('a\u0306b')
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self.ae(str(s.line(4)), 'a\u0306b1\u030623')
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self.ae((s.cursor.x, s.cursor.y), (2, 4))
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def test_char_manipulation(self):
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s = self.create_screen()
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def init():
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s.reset(), s.reset_dirty()
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s.draw('abcde')
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s.cursor.bold = True
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s.cursor_back(4)
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s.reset_dirty()
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self.ae(s.cursor.x, 1)
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init()
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s.insert_characters(2)
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self.ae(str(s.line(0)), 'a bc')
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self.assertTrue(s.line(0).cursor_from(1).bold)
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s.cursor_back(1)
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s.insert_characters(20)
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self.ae(str(s.line(0)), '')
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s.draw('xココ')
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s.cursor_back(5)
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s.reset_dirty()
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s.insert_characters(1)
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self.ae(str(s.line(0)), ' xコ')
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c = Cursor()
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c.italic = True
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s.line(0).apply_cursor(c, 0, 5)
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self.ae(s.line(0).width(2), 2)
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self.assertTrue(s.line(0).cursor_from(2).italic)
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self.assertFalse(s.line(0).cursor_from(2).bold)
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init()
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s.delete_characters(2)
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self.ae(str(s.line(0)), 'ade')
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self.assertTrue(s.line(0).cursor_from(4).bold)
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self.assertFalse(s.line(0).cursor_from(2).bold)
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init()
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s.erase_characters(2)
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self.ae(str(s.line(0)), 'a de')
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self.assertTrue(s.line(0).cursor_from(1).bold)
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self.assertFalse(s.line(0).cursor_from(4).bold)
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s.erase_characters(20)
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self.ae(str(s.line(0)), 'a')
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init()
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s.erase_in_line()
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self.ae(str(s.line(0)), 'a')
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self.assertTrue(s.line(0).cursor_from(1).bold)
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self.assertFalse(s.line(0).cursor_from(0).bold)
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init()
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s.erase_in_line(1)
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self.ae(str(s.line(0)), ' cde')
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init()
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s.erase_in_line(2)
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self.ae(str(s.line(0)), '')
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init()
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s.erase_in_line(2, True)
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self.ae((False, False, False, False, False), tuple(map(lambda i: s.line(0).cursor_from(i).bold, range(5))))
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def test_erase_in_screen(self):
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s = self.create_screen()
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def init():
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s.reset()
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s.draw('12345' * 5)
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s.reset_dirty()
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s.cursor.x, s.cursor.y = 2, 1
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s.cursor.bold = True
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def all_lines(s):
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return tuple(str(s.line(i)) for i in range(s.lines))
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init()
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s.erase_in_display()
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self.ae(all_lines(s), ('12345', '12', '', '', ''))
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init()
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s.erase_in_display(1)
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self.ae(all_lines(s), ('', ' 45', '12345', '12345', '12345'))
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init()
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s.erase_in_display(2)
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self.ae(all_lines(s), ('', '', '', '', ''))
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self.assertTrue(s.line(0).cursor_from(1).bold)
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init()
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s.erase_in_display(2, True)
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self.ae(all_lines(s), ('', '', '', '', ''))
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self.assertFalse(s.line(0).cursor_from(1).bold)
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def test_cursor_movement(self):
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s = self.create_screen()
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s.draw('12345' * 5)
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s.reset_dirty()
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s.cursor_up(2)
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self.ae((s.cursor.x, s.cursor.y), (4, 2))
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s.cursor_up1()
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self.ae((s.cursor.x, s.cursor.y), (0, 1))
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s.cursor_forward(3)
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self.ae((s.cursor.x, s.cursor.y), (3, 1))
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s.cursor_back()
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self.ae((s.cursor.x, s.cursor.y), (2, 1))
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s.cursor_down()
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self.ae((s.cursor.x, s.cursor.y), (2, 2))
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s.cursor_down1(5)
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self.ae((s.cursor.x, s.cursor.y), (0, 4))
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s = self.create_screen()
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s.draw('12345' * 5)
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s.index()
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self.ae(str(s.line(4)), '')
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for i in range(4):
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self.ae(str(s.line(i)), '12345')
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s.draw('12345' * 5)
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s.cursor_up(5)
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s.reverse_index()
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self.ae(str(s.line(0)), '')
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for i in range(1, 5):
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self.ae(str(s.line(i)), '12345')
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def test_resize(self):
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s = self.create_screen(scrollback=6)
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s.draw(''.join([str(i) * s.columns for i in range(s.lines)]))
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s.resize(3, 10)
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self.ae(str(s.line(0)), '0'*5 + '1'*5)
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self.ae(str(s.line(1)), '2'*5 + '3'*5)
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self.ae(str(s.line(2)), '4'*5)
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s.resize(5, 1)
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self.ae(str(s.line(0)), '4')
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hb = s.historybuf
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self.ae(str(hb), '3\n3\n3\n3\n3\n2')
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s = self.create_screen(scrollback=20)
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s.draw(''.join(str(i) * s.columns for i in range(s.lines*2)))
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self.ae(str(s.linebuf), '55555\n66666\n77777\n88888\n99999')
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s.resize(5, 2)
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self.ae(str(s.linebuf), '88\n88\n99\n99\n9')
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def test_cursor_after_resize(self):
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def draw(text, end_line=True):
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s.draw(text)
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if end_line:
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s.linefeed(), s.carriage_return()
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s = self.create_screen()
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draw('123'), draw('123')
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y_before = s.cursor.y
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s.resize(s.lines, s.columns-1)
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self.ae(y_before, s.cursor.y)
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s = self.create_screen(cols=5, lines=8)
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draw('one')
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draw('two three four five |||', end_line=False)
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s.resize(s.lines + 2, s.columns + 2)
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y = s.cursor.y
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self.assertIn('|', str(s.line(y)))
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s = self.create_screen()
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draw('a')
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x_before = s.cursor.x
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s.resize(s.lines - 1, s.columns)
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self.ae(x_before, s.cursor.x)
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def test_tab_stops(self):
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# Taken from vttest/main.c
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s = self.create_screen(cols=80, lines=2)
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s.cursor_position(1, 1)
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s.clear_tab_stop(3)
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for col in range(1, s.columns - 1, 3):
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s.cursor_forward(3)
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s.set_tab_stop()
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s.cursor_position(1, 4)
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for col in range(4, s.columns - 1, 6):
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s.clear_tab_stop(0)
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s.cursor_forward(6)
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s.cursor_position(1, 7)
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s.clear_tab_stop(2)
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s.cursor_position(1, 1)
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for col in range(1, s.columns - 1, 6):
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s.tab()
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s.draw('*')
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s.cursor_position(2, 2)
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for col in range(2, s.columns - 1, 6):
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for i in range(5):
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s.draw(' ')
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s.draw('*')
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self.ae(str(s.line(0)), str(s.line(1)))
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def test_margins(self):
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# Taken from vttest/main.c
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s = self.create_screen(cols=80, lines=24)
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def nl():
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s.carriage_return(), s.linefeed()
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for deccolm in (False, True):
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if deccolm:
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s.resize(24, 132)
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s.set_mode(DECCOLM)
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else:
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s.reset_mode(DECCOLM)
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region = s.lines - 6
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s.set_margins(3, region + 3)
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s.set_mode(DECOM)
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for i in range(26):
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ch = chr(ord('A') + i)
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which = i % 4
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if which == 0:
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s.cursor_position(region + 1, 1), s.draw(ch)
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s.cursor_position(region + 1, s.columns), s.draw(ch.lower())
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nl()
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elif which == 1:
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# Simple wrapping
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s.cursor_position(region, s.columns), s.draw(chr(ord('A') + i - 1).lower() + ch)
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# Backspace at right margin
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s.cursor_position(region + 1, s.columns), s.draw(ch), s.backspace(), s.draw(ch.lower())
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nl()
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elif which == 2:
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# Tab to right margin
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s.cursor_position(region + 1, s.columns), s.draw(ch), s.backspace(), s.backspace(), s.tab(), s.tab(), s.draw(ch.lower())
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s.cursor_position(region + 1, 2), s.backspace(), s.draw(ch), nl()
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else:
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s.cursor_position(region + 1, 1), nl()
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s.cursor_position(region, 1), s.draw(ch)
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s.cursor_position(region, s.columns), s.draw(ch.lower())
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for l in range(2, region + 2):
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c = chr(ord('I') + l - 2)
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self.ae(c + ' ' * (s.columns - 2) + c.lower(), str(s.line(l)))
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s.reset_mode(DECOM)
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def test_sgr(self):
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s = self.create_screen()
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s.select_graphic_rendition(0, 1, 37, 42)
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s.draw('a')
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c = s.line(0).cursor_from(0)
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self.assertTrue(c.bold)
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self.ae(c.bg, (2 << 8) | 1)
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s.cursor_position(2, 1)
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s.select_graphic_rendition(0, 35)
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s.draw('b')
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c = s.line(1).cursor_from(0)
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self.ae(c.fg, (5 << 8) | 1)
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self.ae(c.bg, 0)
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s.cursor_position(2, 2)
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s.select_graphic_rendition(38, 2, 99, 1, 2, 3)
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s.draw('c')
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c = s.line(1).cursor_from(1)
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self.ae(c.fg, (1 << 24) | (2 << 16) | (3 << 8) | 2)
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def test_cursor_hidden(self):
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s = self.create_screen()
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s.toggle_alt_screen()
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s.cursor_visible = False
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s.toggle_alt_screen()
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self.assertFalse(s.cursor_visible)
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def test_dirty_lines(self):
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s = self.create_screen()
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self.assertFalse(s.linebuf.dirty_lines())
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s.draw('a' * (s.columns * 2))
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self.ae(s.linebuf.dirty_lines(), [0, 1])
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self.assertFalse(s.historybuf.dirty_lines())
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while not s.historybuf.count:
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s.draw('a' * (s.columns * 2))
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self.ae(s.historybuf.dirty_lines(), list(range(s.historybuf.count)))
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self.ae(s.linebuf.dirty_lines(), list(range(s.lines)))
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s.cursor.x, s.cursor.y = 0, 1
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s.insert_lines(2)
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self.ae(s.linebuf.dirty_lines(), [0, 3, 4])
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s.draw('a' * (s.columns * s.lines))
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self.ae(s.linebuf.dirty_lines(), list(range(s.lines)))
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s.cursor.x, s.cursor.y = 0, 1
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s.delete_lines(2)
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self.ae(s.linebuf.dirty_lines(), [0, 1, 2])
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s = self.create_screen()
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self.assertFalse(s.linebuf.dirty_lines())
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s.erase_in_line(0, False)
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self.ae(s.linebuf.dirty_lines(), [0])
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s.index(), s.index()
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s.erase_in_display(0, False)
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self.ae(s.linebuf.dirty_lines(), [0, 2, 3, 4])
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s = self.create_screen()
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self.assertFalse(s.linebuf.dirty_lines())
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s.insert_characters(2)
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self.ae(s.linebuf.dirty_lines(), [0])
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s.cursor.y = 1
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s.delete_characters(2)
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self.ae(s.linebuf.dirty_lines(), [0, 1])
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s.cursor.y = 2
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s.erase_characters(2)
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self.ae(s.linebuf.dirty_lines(), [0, 1, 2])
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def test_selection_as_text(self):
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s = self.create_screen()
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for i in range(2 * s.lines):
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if i != 0:
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s.carriage_return(), s.linefeed()
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s.draw(str(i) * s.columns)
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s.start_selection(0, 0, False)
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s.update_selection(4, 4, True)
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expected = ('55555', '\n66666', '\n77777', '\n88888', '\n99999')
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self.ae(s.text_for_selection(), expected)
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s.scroll(2, True)
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self.ae(s.text_for_selection(), expected)
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def test_serialize(self):
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s = self.create_screen()
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s.draw('ab' * s.columns)
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s.carriage_return(), s.linefeed()
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s.draw('c')
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def as_text(as_ansi=False):
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d = []
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s.as_text(d.append, as_ansi)
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return ''.join(d)
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self.ae(as_text(), 'ababababab\nc\n\n')
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self.ae(as_text(True), '\x1b[0mababa\x1b[0mbabab\n\x1b[0mc\n\n')
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