Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_audioop.py @ 5817:48b94de85bf3 legacy-trunk

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Extensive changes by AMK.
author Guido van Rossum <guido@python.org>
date Thu, 17 Jul 1997 16:29:42 +0000
parents 3e679530afc9
children aedd2d0dcb31
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1 # Test audioop.
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2 import audioop
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3 from test_support import verbose
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4
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5 def gendata1():
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6 return '\0\1\2'
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7
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8 def gendata2():
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9 if verbose:
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10 print 'getsample'
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11 if audioop.getsample('\0\1', 2, 0) == 1:
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12 return '\0\0\0\1\0\2'
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13 else:
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14 return '\0\0\1\0\2\0'
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15
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16 def gendata4():
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17 if verbose:
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18 print 'getsample'
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19 if audioop.getsample('\0\0\0\1', 4, 0) == 1:
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20 return '\0\0\0\0\0\0\0\1\0\0\0\2'
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21 else:
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22 return '\0\0\0\0\1\0\0\0\2\0\0\0'
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23
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24 def testmax(data):
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25 if verbose:
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26 print 'max'
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27 if audioop.max(data[0], 1) <> 2 or \
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28 audioop.max(data[1], 2) <> 2 or \
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29 audioop.max(data[2], 4) <> 2:
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30 return 0
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31 return 1
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32
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33 def testminmax(data):
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34 if verbose:
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35 print 'minmax'
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36 if audioop.minmax(data[0], 1) <> (0, 2) or \
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37 audioop.minmax(data[1], 2) <> (0, 2) or \
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38 audioop.minmax(data[2], 4) <> (0, 2):
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39 return 0
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40 return 1
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41
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42 def testmaxpp(data):
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43 if verbose:
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44 print 'maxpp'
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45 if audioop.maxpp(data[0], 1) <> 0 or \
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46 audioop.maxpp(data[1], 2) <> 0 or \
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47 audioop.maxpp(data[2], 4) <> 0:
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48 return 0
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49 return 1
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50
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51 def testavg(data):
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52 if verbose:
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53 print 'avg'
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54 if audioop.avg(data[0], 1) <> 1 or \
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55 audioop.avg(data[1], 2) <> 1 or \
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56 audioop.avg(data[2], 4) <> 1:
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57 return 0
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58 return 1
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59
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60 def testavgpp(data):
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61 if verbose:
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62 print 'avgpp'
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63 if audioop.avgpp(data[0], 1) <> 0 or \
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64 audioop.avgpp(data[1], 2) <> 0 or \
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65 audioop.avgpp(data[2], 4) <> 0:
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66 return 0
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67 return 1
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68
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69 def testrms(data):
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70 if audioop.rms(data[0], 1) <> 1 or \
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71 audioop.rms(data[1], 2) <> 1 or \
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72 audioop.rms(data[2], 4) <> 1:
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73 return 0
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74 return 1
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75
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76 def testcross(data):
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77 if verbose:
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78 print 'cross'
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79 if audioop.cross(data[0], 1) <> 0 or \
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80 audioop.cross(data[1], 2) <> 0 or \
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81 audioop.cross(data[2], 4) <> 0:
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82 return 0
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83 return 1
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84
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85 def testadd(data):
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86 if verbose:
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87 print 'add'
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88 data2 = []
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89 for d in data:
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90 str = ''
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91 for s in d:
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92 str = str + chr(ord(s)*2)
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93 data2.append(str)
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94 if audioop.add(data[0], data[0], 1) <> data2[0] or \
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95 audioop.add(data[1], data[1], 2) <> data2[1] or \
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96 audioop.add(data[2], data[2], 4) <> data2[2]:
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97 return 0
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98 return 1
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99
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100 def testbias(data):
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101 if verbose:
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102 print 'bias'
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103 # Note: this test assumes that avg() works
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104 d1 = audioop.bias(data[0], 1, 100)
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105 d2 = audioop.bias(data[1], 2, 100)
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106 d4 = audioop.bias(data[2], 4, 100)
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107 if audioop.avg(d1, 1) <> 101 or \
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108 audioop.avg(d2, 2) <> 101 or \
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109 audioop.avg(d4, 4) <> 101:
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110 return 0
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111 return 1
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112
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113 def testlin2lin(data):
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114 if verbose:
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115 print 'lin2lin'
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116 # too simple: we test only the size
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117 for d1 in data:
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118 for d2 in data:
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119 got = len(d1)/3
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120 wtd = len(d2)/3
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121 if len(audioop.lin2lin(d1, got, wtd)) <> len(d2):
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122 return 0
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123 return 1
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124
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125 def testadpcm2lin(data):
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126 # Very cursory test
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127 if audioop.adpcm2lin('\0\0', 1, None) <> ('\0\0\0\0', (0,0)):
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128 return 0
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129 return 1
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130
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131 def testlin2adpcm(data):
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132 if verbose:
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133 print 'lin2adpcm'
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134 # Very cursory test
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135 if audioop.lin2adpcm('\0\0\0\0', 1, None) <> ('\0\0', (0,0)):
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136 return 0
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137 return 1
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138
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139 def testlin2ulaw(data):
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140 if verbose:
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141 print 'lin2ulaw'
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142 if audioop.lin2ulaw(data[0], 1) <> '\377\347\333' or \
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143 audioop.lin2ulaw(data[1], 2) <> '\377\377\377' or \
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144 audioop.lin2ulaw(data[2], 4) <> '\377\377\377':
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145 return 0
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146 return 1
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147
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148 def testulaw2lin(data):
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149 if verbose:
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150 print 'ulaw2lin'
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151 # Cursory
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152 d = audioop.lin2ulaw(data[0], 1)
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153 if audioop.ulaw2lin(d, 1) <> data[0]:
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154 return 0
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155 return 1
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156
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157 def testmul(data):
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158 if verbose:
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159 print 'mul'
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160 data2 = []
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161 for d in data:
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162 str = ''
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163 for s in d:
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164 str = str + chr(ord(s)*2)
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165 data2.append(str)
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166 if audioop.mul(data[0], 1, 2) <> data2[0] or \
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parents: 4795
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167 audioop.mul(data[1],2, 2) <> data2[1] or \
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parents: 4795
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168 audioop.mul(data[2], 4, 2) <> data2[2]:
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169 return 0
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170 return 1
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171
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172 def testratecv(data):
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173 if verbose:
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174 print 'ratecv'
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175 state = None
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176 d1, state = audioop.ratecv(data[0], 1, 1, 8000, 16000, state)
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177 d2, state = audioop.ratecv(data[0], 1, 1, 8000, 16000, state)
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178 if d1 + d2 != '\000\000\001\001\002\001\000\000\001\001\002':
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179 return 0
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180 return 1
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181
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182 def testreverse(data):
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183 if verbose:
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184 print 'reverse'
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185 if audioop.reverse(data[0], 1) <> '\2\1\0':
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186 return 0
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187 return 1
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188
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189 def testtomono(data):
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190 if verbose:
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191 print 'tomono'
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192 data2 = ''
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193 for d in data[0]:
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194 data2 = data2 + d + d
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195 if audioop.tomono(data2, 1, 0.5, 0.5) <> data[0]:
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196 return 0
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197 return 1
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198
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199 def testtostereo(data):
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200 if verbose:
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201 print 'tostereo'
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202 data2 = ''
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203 for d in data[0]:
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204 data2 = data2 + d + d
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205 if audioop.tostereo(data[0], 1, 1, 1) <> data2:
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206 return 0
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diff changeset
207 return 1
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208
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209 def testfindfactor(data):
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210 if verbose:
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diff changeset
211 print 'findfactor'
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parents: 4795
diff changeset
212 if audioop.findfactor(data[1], data[1]) <> 1.0:
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213 return 0
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parents: 4795
diff changeset
214 return 1
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215
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diff changeset
216 def testfindfit(data):
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217 if verbose:
0f10fa752ca9 Updated to include the verbose flag from test_support
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parents: 4795
diff changeset
218 print 'findfit'
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parents: 4795
diff changeset
219 if audioop.findfit(data[1], data[1]) <> (0, 1.0):
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Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4795
diff changeset
220 return 0
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parents: 4795
diff changeset
221 return 1
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parents:
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222
130b04fc54dc Add test code for audioop and rgbimg (includes three binary files!)
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diff changeset
223 def testfindmax(data):
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224 if verbose:
0f10fa752ca9 Updated to include the verbose flag from test_support
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4795
diff changeset
225 print 'findmax'
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parents: 4795
diff changeset
226 if audioop.findmax(data[1], 1) <> 2:
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Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4795
diff changeset
227 return 0
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parents: 4795
diff changeset
228 return 1
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229
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parents:
diff changeset
230 def testgetsample(data):
4876
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diff changeset
231 if verbose:
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Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4795
diff changeset
232 print 'getsample'
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Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4795
diff changeset
233 for i in range(3):
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parents: 4795
diff changeset
234 if audioop.getsample(data[0], 1, i) <> i or \
0f10fa752ca9 Updated to include the verbose flag from test_support
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4795
diff changeset
235 audioop.getsample(data[1], 2, i) <> i or \
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Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4795
diff changeset
236 audioop.getsample(data[2], 4, i) <> i:
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Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4795
diff changeset
237 return 0
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Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4795
diff changeset
238 return 1
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parents:
diff changeset
239
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parents:
diff changeset
240 def testone(name, data):
4876
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parents: 4795
diff changeset
241 try:
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diff changeset
242 func = eval('test'+name)
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Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4795
diff changeset
243 except NameError:
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parents: 4795
diff changeset
244 print 'No test found for audioop.'+name+'()'
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Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4795
diff changeset
245 return
0f10fa752ca9 Updated to include the verbose flag from test_support
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parents: 4795
diff changeset
246 try:
0f10fa752ca9 Updated to include the verbose flag from test_support
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4795
diff changeset
247 rv = func(data)
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Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4795
diff changeset
248 except 'xx':
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parents: 4795
diff changeset
249 print 'Test FAILED for audioop.'+name+'() (with an exception)'
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Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4795
diff changeset
250 return
0f10fa752ca9 Updated to include the verbose flag from test_support
Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
parents: 4795
diff changeset
251 if not rv:
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Roger E. Masse <rmasse@newcnri.cnri.reston.va.us>
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252 print 'Test FAILED for audioop.'+name+'()'
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253
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254 def testall():
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255 data = [gendata1(), gendata2(), gendata4()]
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256 names = dir(audioop)
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257 # We know there is a routine 'add'
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258 routines = []
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259 for n in names:
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260 if type(eval('audioop.'+n)) == type(audioop.add):
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261 routines.append(n)
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262 for n in routines:
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263 testone(n, data)
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264 testall()