def test_delete_all(self):
b = Buffer('test')
b.write('a\n')
b.delete(0, 0, 'a\n', -1)
assert_equal(b.text, '')
b.insert(0, 0, 'a', 0)
assert_equal(b.text, 'a')
def test_delete_3(self):
b = Buffer('test')
b.write('1234567890\nabcdefghij\nABCDEFGHIJ')
b.delete(0, 10, 'abcdefghij\n', -1)
assert_equal(b.text, '1234567890\nABCDEFGHIJ')
b.delete(0, 4, '567890\nABCD', -1)
assert_equal(b.text, '1234EFGHIJ')
def test_delete_4(self):
b = Buffer('test')
assert_equal(b.text, '')
assert_equal(b.lines, [''])
b.lines.append('asdf')
assert_equal(b.text, 'asdf\n')
assert_equal(b.lines, ['asdf', ''])
b.delete(0, 0, 'asdf', 0)
assert_equal(b.text, '\n')
assert_equal(b.lines, ['', ''])
b.insert(0, 0, '\n', 1)
assert_equal(b.text, '\n\n')
assert_equal(b.lines, ['', '', ''])
b.delete(1, 0, '\n', -1)
assert_equal(b.text, '\n')
assert_equal(b.lines, ['', ''])
def test_delete(self):
b = Buffer('test')
b.write('1234567890\n')
b.delete(0, 0, '1', 0)
assert_equal(b.text, '234567890\n')
b.delete(0, 4, '6', 0)
assert_equal(b.text, '23457890\n')
b.delete(0, 7, '0', 0)
assert_equal(b.text, '2345789\n')
b.delete(0, 3, '57', 0)
assert_equal(b.text, '23489\n')
b.delete(0, 5, '\n', -1)
assert_equal(b.text, '23489')
def test_delete_2(self):
b = Buffer('test')
b.write('123\n456\n789\n')
b.delete(1, 1, '56\n789\n', -2)
assert_equal(b.text, '123\n4')
