py

    @staticmethod
    def cut_as_subline(s, base_depth):
        if len(s)<base_depth:
            return s
        return s[base_depth+1:]


    def test_cut_as_subline(self):
        #code:aaa
        # i0         indent0
        #  i1        indent1
        #   i2       indent2
        #a           no-indent
        #            blank
        #            indent0 and spaceonly
        #            indent1 and spaceonly

        base_depth = 0

        # 混乱してる！ちょっとまって……🐰🐰

        e = 'i0'
        a = dobu.Indent.cut_as_subline(' i0', base_depth=base_depth)
        self.assertEqual(e, a)
        e = ' i1'
        a = dobu.Indent.cut_as_subline('  i1', base_depth=base_depth)
        self.assertEqual(e, a)
        e = '  i2'
        a = dobu.Indent.cut_as_subline('   i2', base_depth=base_depth)
        self.assertEqual(e, a)
        e = 'a'
        a = dobu.Indent.cut_as_subline('a', base_depth=base_depth)
        self.assertEqual(e, a)
        e = ''
        a = dobu.Indent.cut_as_subline('', base_depth=base_depth)
        self.assertEqual(e, a)
        e = ' '
        a = dobu.Indent.cut_as_subline(' ', base_depth=base_depth)
        self.assertEqual(e, a)
        e = ' '
        a = dobu.Indent.cut_as_subline('  ', base_depth=base_depth)
        self.assertEqual(e, a)