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