| 1 | #!/usr/bin/env python2
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| 2 | """
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| 3 | strings.py
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| 4 | """
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| 5 | from __future__ import print_function
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| 6 |
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| 7 | import os
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| 8 | from mycpp import mylib
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| 9 | from mycpp.mylib import log
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| 10 |
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| 11 | from typing import List
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| 12 |
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| 13 | __all__ = ['should', 'not', 'appear', 'in C++']
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| 14 | MYLIST = ['zzyyxx']
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| 15 |
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| 16 |
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| 17 | def banner(s):
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| 18 | # type: (str) -> None
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| 19 | print('')
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| 20 | print('=== %s ===' % s)
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| 21 | print('')
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| 22 |
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| 23 |
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| 24 | class Foo(object):
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| 25 |
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| 26 | def __init__(self):
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| 27 | # type: () -> None
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| 28 | self.s = 'mystr'
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| 29 |
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| 30 |
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| 31 | def TestMethods():
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| 32 | # type: () -> None
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| 33 |
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| 34 | s = 'a1bc'
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| 35 |
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| 36 | if s.startswith(''):
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| 37 | print('empty yes')
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| 38 |
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| 39 | if s.startswith('a1'):
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| 40 | print('a1 yes')
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| 41 |
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| 42 | if not s.startswith('zz'):
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| 43 | print('zz no')
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| 44 |
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| 45 | if s.endswith(''):
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| 46 | print('empty yes')
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| 47 |
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| 48 | if s.endswith('bc'):
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| 49 | print('bc yes')
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| 50 |
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| 51 | if s.endswith('c'):
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| 52 | print('bc yes')
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| 53 |
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| 54 | if not s.endswith('zzzzzz'):
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| 55 | print('zzzzzz no')
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| 56 |
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| 57 | # This file is out of date! It thinks it happens in Python 3, but we have
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| 58 | # it in Python 2.7
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| 59 |
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| 60 | # /home/andy/wedge/oils-for-unix.org/pkg/mypy/0.780/mypy/typeshed/stdlib/2/__builtin__.pyi:509: note: "startswith" of "str" defined here
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| 61 |
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| 62 | # Fixed here - https://github.com/python/typeshed/blob/main/stdlib/builtins.pyi
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| 63 | #
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| 64 | # It can be fixed by patching, gah
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| 65 |
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| 66 | # start pos
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| 67 | #if s.startswith('bc', start=2):
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| 68 | # print('bc YES')
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| 69 |
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| 70 | # find(s, start, end) can be used to implement TokenStartsWith() and
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| 71 | # TokenEndsWith(), TokenEquals(), IsPlusEquals(), TokenContains(), etc.
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| 72 |
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| 73 | s = 'aaa-bb-cc'
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| 74 | substrs = [
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| 75 | 'aa',
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| 76 | 'b',
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| 77 | 'z',
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| 78 | 'aaaa', # too long
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| 79 | '',
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| 80 | ]
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| 81 | for substr in substrs:
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| 82 | for start in xrange(0, len(s)):
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| 83 | pos = s.find(substr, start)
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| 84 | print('%s find %s start:%d => %d' % (s, substr, start, pos))
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| 85 |
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| 86 | print('---')
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| 87 |
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| 88 | for substr in substrs:
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| 89 | for end in xrange(0, len(s)):
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| 90 | pos = s.find(substr, 0, end)
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| 91 | print('%s find %s end:%d => %d' % (s, substr, end, pos))
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| 92 |
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| 93 | print('---')
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| 94 |
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| 95 | # empty string test
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| 96 | for start in xrange(0, 3):
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| 97 | for end in xrange(0, 3):
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| 98 | pos = s.find('', start, end)
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| 99 | print('%s find empty [%d, %d) => %d' % (s, start, end, pos))
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| 100 |
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| 101 |
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| 102 | def TestFormat():
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| 103 | # type: () -> None
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| 104 |
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| 105 | banner('TestFormat')
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| 106 |
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| 107 | print('foo' + 'bar')
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| 108 | print('foo' * 3)
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| 109 | obj = Foo()
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| 110 | print('foo' + obj.s)
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| 111 |
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| 112 | s = 'mystr'
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| 113 | print('[%s]' % s)
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| 114 |
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| 115 | s = 'mystr'
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| 116 | print('[%s, %s]' % (s, 'abc'))
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| 117 |
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| 118 | print('%s: 5%%-100%%' % 'abc')
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| 119 |
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| 120 | print('<a href="foo.html">%s</a>' % 'anchor')
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| 121 |
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| 122 | print("foo? %d" % ('f' in s))
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| 123 | print("str? %d" % ('s' in s))
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| 124 |
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| 125 | print("int 5d %5d" % 35)
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| 126 |
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| 127 | print("'single'")
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| 128 | print('"double"')
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| 129 |
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| 130 | # test escape codes
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| 131 | print("a\tb\nc\td\n")
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| 132 |
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| 133 | x = 'x'
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| 134 | print("%s\tb\n%s\td\n" % (x, x))
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| 135 |
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| 136 | fmt = "%dfoo"
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| 137 | print(fmt % 10)
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| 138 |
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| 139 | fmts = ["foo%d"]
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| 140 | print(fmts[0] % 10)
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| 141 |
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| 142 | print(("foo " + "%s") % "bar")
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| 143 |
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| 144 | # NUL bytes
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| 145 | s = "spam\0%s" % "eggs"
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| 146 |
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| 147 | # TODO: There's a bug here -- we get len == 4 in C++, but it should be 9.
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| 148 | # It's either StrFormat() or the bad JSON literals \u0000
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| 149 | if 0:
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| 150 | print("len(s) = %d" % len(s))
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| 151 | print(s)
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| 152 |
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| 153 | s = "foo%s" % "\0bar"
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| 154 | print("len(s) = %d" % len(s))
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| 155 |
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| 156 | print("%o" % 12345)
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| 157 | print("%17o" % 12345)
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| 158 | print("%017o" % 12345)
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| 159 |
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| 160 | print("%%%d%%%%" % 12345)
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| 161 |
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| 162 | print("%r" % "tab\tline\nline\r\n")
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| 163 |
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| 164 | s = 'a1b2c3d4e5'
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| 165 | # Disable step support
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| 166 | # print(s[0:10:2])
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| 167 | # print(s[1:10:2])
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| 168 | print(s.upper())
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| 169 |
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| 170 |
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| 171 | def TestByteOperations():
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| 172 | # type: () -> None
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| 173 | banner('TestByteOperations')
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| 174 |
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| 175 | s = 'foo' * 10
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| 176 |
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| 177 | i = 0
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| 178 | n = len(s)
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| 179 | total = 0
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| 180 | total2 = 0
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| 181 | while i < n:
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| 182 | byte = ord(s[i])
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| 183 | byte2 = mylib.ByteAt(s, i)
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| 184 |
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| 185 | total += byte
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| 186 | total2 += byte2
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| 187 |
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| 188 | i += 1
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| 189 |
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| 190 | if total != total2:
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| 191 | raise AssertionError()
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| 192 |
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| 193 | print('total = %d' % total)
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| 194 | print('total2 = %d' % total2)
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| 195 |
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| 196 |
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| 197 | def TestBytes2():
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| 198 | # type: () -> None
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| 199 |
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| 200 | banner('TestBytes2')
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| 201 |
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| 202 | b = [] # type: List[int]
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| 203 | ch = [] # type: List[str]
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| 204 | for i in xrange(256):
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| 205 | # Shuffle it a bit, make it a better test
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| 206 | j = 255 - i
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| 207 | if j == 2:
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| 208 | j = 0
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| 209 |
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| 210 | b.append(j)
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| 211 | ch.append(chr(j))
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| 212 |
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| 213 | print('len(b) = %d' % len(b))
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| 214 | print('len(ch) = %d' % len(ch))
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| 215 |
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| 216 | all_bytes = ''.join(ch)
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| 217 |
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| 218 | b2 = mylib.JoinBytes(b)
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| 219 | if all_bytes == b2:
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| 220 | print('EQUAL ==')
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| 221 | else:
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| 222 | raise AssertionError('should be equal')
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| 223 |
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| 224 | n = len(all_bytes)
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| 225 | print('len(all_bytes) = %d' % n)
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| 226 | print('')
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| 227 | #print('[%s]' % all_bytes)
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| 228 |
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| 229 | i = 0
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| 230 | while i < n:
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| 231 | byte = mylib.ByteAt(all_bytes, i)
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| 232 | #log('byte = %d', byte)
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| 233 |
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| 234 | if mylib.ByteEquals(byte, '['):
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| 235 | print('LEFT')
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| 236 | if mylib.ByteEquals(byte, ']'):
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| 237 | print('RIGHT')
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| 238 | if mylib.ByteEquals(byte, '\\'):
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| 239 | print('BACKSLASH')
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| 240 |
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| 241 | # TODO: get rid of JSON crap
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| 242 | #if mylib.ByteEqualsStr(byte, '\xff'):
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| 243 | # print('0xff')
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| 244 |
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| 245 | if mylib.ByteEquals(byte, chr(255)):
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| 246 | print('0xff')
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| 247 |
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| 248 | if mylib.ByteInSet(byte, 'abcXYZ'):
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| 249 | print('abcXYZ')
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| 250 |
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| 251 | i += 1
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| 252 |
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| 253 | print('')
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| 254 |
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| 255 |
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| 256 | def run_tests():
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| 257 | # type: () -> None
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| 258 |
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| 259 | TestFormat()
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| 260 | TestMethods()
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| 261 | TestByteOperations()
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| 262 | TestBytes2()
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| 263 |
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| 264 | print('len(MYLIST) = %d' % len(MYLIST))
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| 265 |
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| 266 |
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| 267 | def run_benchmarks():
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| 268 | # type: () -> None
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| 269 | pass
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| 270 |
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| 271 |
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| 272 | if __name__ == '__main__':
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| 273 | if os.getenv('BENCHMARK'):
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| 274 | log('Benchmarking...')
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| 275 | run_benchmarks()
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| 276 | else:
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| 277 | run_tests()
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