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_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_insert(self):
b = Buffer('test')
assert_equal(b.text, '', 'wrong initial text')
b.insert(0, 0, 'hello', 0)
assert_equal(b.text, 'hello', 'wrong text after simple insert')
b.insert(0, 0, 'bye ', 0)
assert_equal(b.text, 'bye hello', 'wrong text after simple insert')
b.insert(0, len('bye hello'), '\n', 1)
assert_equal(b.text, 'bye hello\n', 'wrong text after newline insert')
b.insert(1, 0, 'newline', 0)
assert_equal(b.text, 'bye hello\nnewline', 'wrong text after second insert')
b.insert(0, 3, 'embolimo\nkeimeno\n', 2)
assert_equal(b.text, 'byeembolimo\nkeimeno\n hello\nnewline')
def test_insert_2(self):
b = Buffer('test')
b.insert(0, 0, 'minime', 0)
b.insert(0, 4, '\n', 1)
assert_equal(b.text, 'mini\nme')
b.insert(0, 2, 'mee\nmoo', 1)
assert_equal(b.text, 'mimee\nmooni\nme')
