Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_parser.py @ 49258:25f809123df6 legacy-trunk

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Issue #3925: Ignores shutil.rmtree error on cygwin too. Reviewed by Benjamin Peterson.
author Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp>
date Sun, 21 Sep 2008 20:48:41 +0000
parents 504e6d030e84
children 6cac2e3077a3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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87b8f0ea50e8 Add a minimal test suite for the parser module.
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1 import parser
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2 import unittest
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3 import sys
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4 from test import test_support
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5
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6 #
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7 # First, we test that we can generate trees from valid source fragments,
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8 # and that these valid trees are indeed allowed by the tree-loading side
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9 # of the parser module.
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10 #
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11
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12 class RoundtripLegalSyntaxTestCase(unittest.TestCase):
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13
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14 def roundtrip(self, f, s):
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15 st1 = f(s)
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16 t = st1.totuple()
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17 try:
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18 st2 = parser.sequence2st(t)
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19 except parser.ParserError, why:
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20 self.fail("could not roundtrip %r: %s" % (s, why))
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21
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22 self.assertEquals(t, st2.totuple(),
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23 "could not re-generate syntax tree")
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24
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25 def check_expr(self, s):
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26 self.roundtrip(parser.expr, s)
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27
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28 def check_suite(self, s):
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29 self.roundtrip(parser.suite, s)
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30
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31 def test_yield_statement(self):
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32 self.check_suite("def f(): yield 1")
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33 self.check_suite("def f(): yield")
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34 self.check_suite("def f(): x += yield")
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35 self.check_suite("def f(): x = yield 1")
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36 self.check_suite("def f(): x = y = yield 1")
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37 self.check_suite("def f(): x = yield")
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38 self.check_suite("def f(): x = y = yield")
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39 self.check_suite("def f(): 1 + (yield)*2")
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40 self.check_suite("def f(): (yield 1)*2")
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41 self.check_suite("def f(): return; yield 1")
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42 self.check_suite("def f(): yield 1; return")
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43 self.check_suite("def f():\n"
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44 " for x in range(30):\n"
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45 " yield x\n")
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46 self.check_suite("def f():\n"
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47 " if (yield):\n"
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48 " yield x\n")
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49
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50 def test_expressions(self):
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51 self.check_expr("foo(1)")
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52 self.check_expr("[1, 2, 3]")
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53 self.check_expr("[x**3 for x in range(20)]")
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54 self.check_expr("[x**3 for x in range(20) if x % 3]")
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55 self.check_expr("[x**3 for x in range(20) if x % 2 if x % 3]")
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56 self.check_expr("list(x**3 for x in range(20))")
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57 self.check_expr("list(x**3 for x in range(20) if x % 3)")
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58 self.check_expr("list(x**3 for x in range(20) if x % 2 if x % 3)")
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59 self.check_expr("foo(*args)")
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60 self.check_expr("foo(*args, **kw)")
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61 self.check_expr("foo(**kw)")
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62 self.check_expr("foo(key=value)")
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63 self.check_expr("foo(key=value, *args)")
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64 self.check_expr("foo(key=value, *args, **kw)")
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65 self.check_expr("foo(key=value, **kw)")
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66 self.check_expr("foo(a, b, c, *args)")
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67 self.check_expr("foo(a, b, c, *args, **kw)")
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68 self.check_expr("foo(a, b, c, **kw)")
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69 self.check_expr("foo(a, *args, keyword=23)")
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70 self.check_expr("foo + bar")
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71 self.check_expr("foo - bar")
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72 self.check_expr("foo * bar")
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73 self.check_expr("foo / bar")
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74 self.check_expr("foo // bar")
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75 self.check_expr("lambda: 0")
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76 self.check_expr("lambda x: 0")
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77 self.check_expr("lambda *y: 0")
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78 self.check_expr("lambda *y, **z: 0")
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79 self.check_expr("lambda **z: 0")
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80 self.check_expr("lambda x, y: 0")
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81 self.check_expr("lambda foo=bar: 0")
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82 self.check_expr("lambda foo=bar, spaz=nifty+spit: 0")
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83 self.check_expr("lambda foo=bar, **z: 0")
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84 self.check_expr("lambda foo=bar, blaz=blat+2, **z: 0")
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85 self.check_expr("lambda foo=bar, blaz=blat+2, *y, **z: 0")
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86 self.check_expr("lambda x, *y, **z: 0")
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87 self.check_expr("(x for x in range(10))")
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88 self.check_expr("foo(x for x in range(10))")
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89
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90 def test_print(self):
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91 self.check_suite("print")
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92 self.check_suite("print 1")
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93 self.check_suite("print 1,")
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94 self.check_suite("print >>fp")
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95 self.check_suite("print >>fp, 1")
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96 self.check_suite("print >>fp, 1,")
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97
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98 def test_simple_expression(self):
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99 # expr_stmt
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100 self.check_suite("a")
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101
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102 def test_simple_assignments(self):
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103 self.check_suite("a = b")
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104 self.check_suite("a = b = c = d = e")
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105
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106 def test_simple_augmented_assignments(self):
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107 self.check_suite("a += b")
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108 self.check_suite("a -= b")
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109 self.check_suite("a *= b")
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110 self.check_suite("a /= b")
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111 self.check_suite("a //= b")
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112 self.check_suite("a %= b")
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113 self.check_suite("a &= b")
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114 self.check_suite("a |= b")
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115 self.check_suite("a ^= b")
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116 self.check_suite("a <<= b")
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117 self.check_suite("a >>= b")
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118 self.check_suite("a **= b")
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119
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120 def test_function_defs(self):
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121 self.check_suite("def f(): pass")
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122 self.check_suite("def f(*args): pass")
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123 self.check_suite("def f(*args, **kw): pass")
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124 self.check_suite("def f(**kw): pass")
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125 self.check_suite("def f(foo=bar): pass")
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126 self.check_suite("def f(foo=bar, *args): pass")
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127 self.check_suite("def f(foo=bar, *args, **kw): pass")
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128 self.check_suite("def f(foo=bar, **kw): pass")
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129
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130 self.check_suite("def f(a, b): pass")
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131 self.check_suite("def f(a, b, *args): pass")
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132 self.check_suite("def f(a, b, *args, **kw): pass")
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133 self.check_suite("def f(a, b, **kw): pass")
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134 self.check_suite("def f(a, b, foo=bar): pass")
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135 self.check_suite("def f(a, b, foo=bar, *args): pass")
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136 self.check_suite("def f(a, b, foo=bar, *args, **kw): pass")
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137 self.check_suite("def f(a, b, foo=bar, **kw): pass")
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138
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139 self.check_suite("@staticmethod\n"
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140 "def f(): pass")
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141 self.check_suite("@staticmethod\n"
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142 "@funcattrs(x, y)\n"
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143 "def f(): pass")
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144 self.check_suite("@funcattrs()\n"
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145 "def f(): pass")
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146
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147 def test_class_defs(self):
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148 self.check_suite("class foo():pass")
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149
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150 def test_import_from_statement(self):
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151 self.check_suite("from sys.path import *")
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152 self.check_suite("from sys.path import dirname")
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153 self.check_suite("from sys.path import (dirname)")
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154 self.check_suite("from sys.path import (dirname,)")
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155 self.check_suite("from sys.path import dirname as my_dirname")
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156 self.check_suite("from sys.path import (dirname as my_dirname)")
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157 self.check_suite("from sys.path import (dirname as my_dirname,)")
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158 self.check_suite("from sys.path import dirname, basename")
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159 self.check_suite("from sys.path import (dirname, basename)")
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160 self.check_suite("from sys.path import (dirname, basename,)")
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161 self.check_suite(
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162 "from sys.path import dirname as my_dirname, basename")
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163 self.check_suite(
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164 "from sys.path import (dirname as my_dirname, basename)")
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165 self.check_suite(
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166 "from sys.path import (dirname as my_dirname, basename,)")
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167 self.check_suite(
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168 "from sys.path import dirname, basename as my_basename")
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169 self.check_suite(
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170 "from sys.path import (dirname, basename as my_basename)")
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171 self.check_suite(
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172 "from sys.path import (dirname, basename as my_basename,)")
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173
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174 def test_basic_import_statement(self):
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175 self.check_suite("import sys")
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176 self.check_suite("import sys as system")
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177 self.check_suite("import sys, math")
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178 self.check_suite("import sys as system, math")
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179 self.check_suite("import sys, math as my_math")
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180
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181 def test_pep263(self):
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182 self.check_suite("# -*- coding: iso-8859-1 -*-\n"
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183 "pass\n")
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184
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185 def test_assert(self):
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186 self.check_suite("assert alo < ahi and blo < bhi\n")
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187
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188 def test_position(self):
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189 # An absolutely minimal test of position information. Better
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190 # tests would be a big project.
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191 code = "def f(x):\n return x + 1\n"
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192 st1 = parser.suite(code)
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193 st2 = st1.totuple(line_info=1, col_info=1)
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194
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195 def walk(tree):
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196 node_type = tree[0]
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197 next = tree[1]
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198 if isinstance(next, tuple):
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199 for elt in tree[1:]:
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200 for x in walk(elt):
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201 yield x
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202 else:
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203 yield tree
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204
39635
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205 terminals = list(walk(st2))
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diff changeset
206 self.assertEqual([
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207 (1, 'def', 1, 0),
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208 (1, 'f', 1, 4),
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209 (7, '(', 1, 5),
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diff changeset
210 (1, 'x', 1, 6),
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211 (8, ')', 1, 7),
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diff changeset
212 (11, ':', 1, 8),
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diff changeset
213 (4, '', 1, 9),
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diff changeset
214 (5, '', 2, -1),
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diff changeset
215 (1, 'return', 2, 4),
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diff changeset
216 (1, 'x', 2, 11),
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diff changeset
217 (14, '+', 2, 13),
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diff changeset
218 (2, '1', 2, 15),
f8a90d1825ce Expose column offset information in parse trees.
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diff changeset
219 (4, '', 2, 16),
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diff changeset
220 (6, '', 2, -1),
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diff changeset
221 (4, '', 2, -1),
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Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
222 (0, '', 2, -1)],
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
223 terminals)
f8a90d1825ce Expose column offset information in parse trees.
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parents: 37623
diff changeset
224
f8a90d1825ce Expose column offset information in parse trees.
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diff changeset
225
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parents:
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226 #
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227 # Second, we take *invalid* trees and make sure we get ParserError
87b8f0ea50e8 Add a minimal test suite for the parser module.
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parents:
diff changeset
228 # rejections for them.
87b8f0ea50e8 Add a minimal test suite for the parser module.
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parents:
diff changeset
229 #
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230
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diff changeset
231 class IllegalSyntaxTestCase(unittest.TestCase):
24957
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232
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diff changeset
233 def check_bad_tree(self, tree, label):
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parents: 15966
diff changeset
234 try:
18670
384b9113a2e0 Use the "st" versions of the "ast" calls in the parser module -- there is
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parents: 18647
diff changeset
235 parser.sequence2st(tree)
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diff changeset
236 except parser.ParserError:
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237 pass
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diff changeset
238 else:
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parents: 15966
diff changeset
239 self.fail("did not detect invalid tree for %r" % label)
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diff changeset
240
5391b9d022ac Convert the parser module test to use PyUnit.
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parents: 15966
diff changeset
241 def test_junk(self):
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parents: 15966
diff changeset
242 # not even remotely valid:
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parents: 15966
diff changeset
243 self.check_bad_tree((1, 2, 3), "<junk>")
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244
18647
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diff changeset
245 def test_illegal_yield_1(self):
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parents: 24364
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246 # Illegal yield statement: def f(): return 1; yield 1
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diff changeset
247 tree = \
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diff changeset
248 (257,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
249 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
250 (285,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
251 (259,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
252 (1, 'def'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
253 (1, 'f'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
254 (260, (7, '('), (8, ')')),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
255 (11, ':'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
256 (291,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
257 (4, ''),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
258 (5, ''),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
259 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
260 (265,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
261 (266,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
262 (272,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
263 (275,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
264 (1, 'return'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
265 (313,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
266 (292,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
267 (293,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
268 (294,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
269 (295,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
270 (297,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
271 (298,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
272 (299,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
273 (300,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
274 (301,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
275 (302, (303, (304, (305, (2, '1')))))))))))))))))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
276 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
277 (265,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
278 (266,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
279 (272,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
280 (276,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
281 (1, 'yield'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
282 (313,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
283 (292,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
284 (293,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
285 (294,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
286 (295,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
287 (297,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
288 (298,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
289 (299,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
290 (300,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
291 (301,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
292 (302,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
293 (303, (304, (305, (2, '1')))))))))))))))))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
294 (4, ''))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
295 (6, ''))))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
296 (4, ''),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
297 (0, ''))))
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
298 self.check_bad_tree(tree, "def f():\n return 1\n yield 1")
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
299
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
300 def test_illegal_yield_2(self):
24957
dc66eb4cd17a Standardize behavior: no docstrings in test functions.
Guido van Rossum <guido@python.org>
parents: 24364
diff changeset
301 # Illegal return in generator: def f(): return 1; yield 1
18647
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
302 tree = \
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
303 (257,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
304 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
305 (265,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
306 (266,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
307 (278,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
308 (1, 'from'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
309 (281, (1, '__future__')),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
310 (1, 'import'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
311 (279, (1, 'generators')))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
312 (4, ''))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
313 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
314 (285,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
315 (259,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
316 (1, 'def'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
317 (1, 'f'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
318 (260, (7, '('), (8, ')')),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
319 (11, ':'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
320 (291,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
321 (4, ''),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
322 (5, ''),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
323 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
324 (265,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
325 (266,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
326 (272,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
327 (275,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
328 (1, 'return'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
329 (313,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
330 (292,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
331 (293,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
332 (294,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
333 (295,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
334 (297,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
335 (298,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
336 (299,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
337 (300,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
338 (301,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
339 (302, (303, (304, (305, (2, '1')))))))))))))))))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
340 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
341 (265,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
342 (266,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
343 (272,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
344 (276,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
345 (1, 'yield'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
346 (313,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
347 (292,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
348 (293,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
349 (294,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
350 (295,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
351 (297,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
352 (298,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
353 (299,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
354 (300,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
355 (301,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
356 (302,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
357 (303, (304, (305, (2, '1')))))))))))))))))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
358 (4, ''))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
359 (6, ''))))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
360 (4, ''),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
361 (0, ''))))
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
362 self.check_bad_tree(tree, "def f():\n return 1\n yield 1")
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
363
18027
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
364 def test_print_chevron_comma(self):
24957
dc66eb4cd17a Standardize behavior: no docstrings in test functions.
Guido van Rossum <guido@python.org>
parents: 24364
diff changeset
365 # Illegal input: print >>fp,
18027
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
366 tree = \
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
367 (257,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
368 (264,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
369 (265,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
370 (266,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
371 (268,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
372 (1, 'print'),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
373 (35, '>>'),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
374 (290,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
375 (291,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
376 (292,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
377 (293,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
378 (295,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
379 (296,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
380 (297,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
381 (298, (299, (300, (301, (302, (303, (1, 'fp')))))))))))))),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
382 (12, ','))),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
383 (4, ''))),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
384 (0, ''))
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
385 self.check_bad_tree(tree, "print >>fp,")
14111
87b8f0ea50e8 Add a minimal test suite for the parser module.
Fred Drake <fdrake@acm.org>
parents:
diff changeset
386
18027
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
387 def test_a_comma_comma_c(self):
24957
dc66eb4cd17a Standardize behavior: no docstrings in test functions.
Guido van Rossum <guido@python.org>
parents: 24364
diff changeset
388 # Illegal input: a,,c
18027
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
389 tree = \
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
390 (258,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
391 (311,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
392 (290,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
393 (291,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
394 (292,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
395 (293,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
396 (295,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
397 (296,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
398 (297,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
399 (298, (299, (300, (301, (302, (303, (1, 'a')))))))))))))),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
400 (12, ','),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
401 (12, ','),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
402 (290,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
403 (291,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
404 (292,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
405 (293,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
406 (295,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
407 (296,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
408 (297,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
409 (298, (299, (300, (301, (302, (303, (1, 'c'))))))))))))))),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
410 (4, ''),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
411 (0, ''))
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
412 self.check_bad_tree(tree, "a,,c")
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
413
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
414 def test_illegal_operator(self):
24957
dc66eb4cd17a Standardize behavior: no docstrings in test functions.
Guido van Rossum <guido@python.org>
parents: 24364
diff changeset
415 # Illegal input: a $= b
18027
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
416 tree = \
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
417 (257,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
418 (264,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
419 (265,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
420 (266,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
421 (267,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
422 (312,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
423 (291,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
424 (292,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
425 (293,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
426 (294,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
427 (296,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
428 (297,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
429 (298,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
430 (299,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
431 (300, (301, (302, (303, (304, (1, 'a'))))))))))))))),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
432 (268, (37, '$=')),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
433 (312,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
434 (291,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
435 (292,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
436 (293,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
437 (294,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
438 (296,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
439 (297,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
440 (298,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
441 (299,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
442 (300, (301, (302, (303, (304, (1, 'b'))))))))))))))))),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
443 (4, ''))),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
444 (0, ''))
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
445 self.check_bad_tree(tree, "a $= b")
14111
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Fred Drake <fdrake@acm.org>
parents:
diff changeset
446
27777
5f6931b8352e Add tests and news entry about parser errors from bug #678518.
Neal Norwitz <nnorwitz@gmail.com>
parents: 27517
diff changeset
447 def test_malformed_global(self):
5f6931b8352e Add tests and news entry about parser errors from bug #678518.
Neal Norwitz <nnorwitz@gmail.com>
parents: 27517
diff changeset
448 #doesn't have global keyword in ast
5f6931b8352e Add tests and news entry about parser errors from bug #678518.
Neal Norwitz <nnorwitz@gmail.com>
parents: 27517
diff changeset
449 tree = (257,
5f6931b8352e Add tests and news entry about parser errors from bug #678518.
Neal Norwitz <nnorwitz@gmail.com>
parents: 27517
diff changeset
450 (264,
5f6931b8352e Add tests and news entry about parser errors from bug #678518.
Neal Norwitz <nnorwitz@gmail.com>
parents: 27517
diff changeset
451 (265,
5f6931b8352e Add tests and news entry about parser errors from bug #678518.
Neal Norwitz <nnorwitz@gmail.com>
parents: 27517
diff changeset
452 (266,
5f6931b8352e Add tests and news entry about parser errors from bug #678518.
Neal Norwitz <nnorwitz@gmail.com>
parents: 27517
diff changeset
453 (282, (1, 'foo'))), (4, ''))),
5f6931b8352e Add tests and news entry about parser errors from bug #678518.
Neal Norwitz <nnorwitz@gmail.com>
parents: 27517
diff changeset
454 (4, ''),
27963
226463445697 Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 27777
diff changeset
455 (0, ''))
27777
5f6931b8352e Add tests and news entry about parser errors from bug #678518.
Neal Norwitz <nnorwitz@gmail.com>
parents: 27517
diff changeset
456 self.check_bad_tree(tree, "malformed global ast")
14111
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Fred Drake <fdrake@acm.org>
parents:
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457
35742
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
458
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
459 class CompileTestCase(unittest.TestCase):
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
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460
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
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461 # These tests are very minimal. :-(
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
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462
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
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463 def test_compile_expr(self):
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
464 st = parser.expr('2 + 3')
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
465 code = parser.compilest(st)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
466 self.assertEquals(eval(code), 5)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
467
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
468 def test_compile_suite(self):
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
469 st = parser.suite('x = 2; y = x + 3')
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
470 code = parser.compilest(st)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
471 globs = {}
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
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472 exec code in globs
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
473 self.assertEquals(globs['y'], 5)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
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474
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
475 def test_compile_error(self):
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
476 st = parser.suite('1 = 3 + 4')
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
477 self.assertRaises(SyntaxError, parser.compilest, st)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
478
42308
6775ee6d89d3 SF patch# 1755885 by Kurt Kaiser: show location of Unicode escape errors.
Guido van Rossum <guido@python.org>
parents: 39683
diff changeset
479 def test_compile_badunicode(self):
6775ee6d89d3 SF patch# 1755885 by Kurt Kaiser: show location of Unicode escape errors.
Guido van Rossum <guido@python.org>
parents: 39683
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480 st = parser.suite('a = u"\U12345678"')
6775ee6d89d3 SF patch# 1755885 by Kurt Kaiser: show location of Unicode escape errors.
Guido van Rossum <guido@python.org>
parents: 39683
diff changeset
481 self.assertRaises(SyntaxError, parser.compilest, st)
6775ee6d89d3 SF patch# 1755885 by Kurt Kaiser: show location of Unicode escape errors.
Guido van Rossum <guido@python.org>
parents: 39683
diff changeset
482 st = parser.suite('a = u"\u1"')
6775ee6d89d3 SF patch# 1755885 by Kurt Kaiser: show location of Unicode escape errors.
Guido van Rossum <guido@python.org>
parents: 39683
diff changeset
483 self.assertRaises(SyntaxError, parser.compilest, st)
6775ee6d89d3 SF patch# 1755885 by Kurt Kaiser: show location of Unicode escape errors.
Guido van Rossum <guido@python.org>
parents: 39683
diff changeset
484
45443
ca5f2f960617 Issue 1881. Increased the stack limit from 500 to 1500. Also added
Facundo Batista <facundobatista@gmail.com>
parents: 42308
diff changeset
485 class ParserStackLimitTestCase(unittest.TestCase):
ca5f2f960617 Issue 1881. Increased the stack limit from 500 to 1500. Also added
Facundo Batista <facundobatista@gmail.com>
parents: 42308
diff changeset
486 """try to push the parser to/over it's limits.
ca5f2f960617 Issue 1881. Increased the stack limit from 500 to 1500. Also added
Facundo Batista <facundobatista@gmail.com>
parents: 42308
diff changeset
487 see http://bugs.python.org/issue1881 for a discussion
ca5f2f960617 Issue 1881. Increased the stack limit from 500 to 1500. Also added
Facundo Batista <facundobatista@gmail.com>
parents: 42308
diff changeset
488 """
ca5f2f960617 Issue 1881. Increased the stack limit from 500 to 1500. Also added
Facundo Batista <facundobatista@gmail.com>
parents: 42308
diff changeset
489 def _nested_expression(self, level):
ca5f2f960617 Issue 1881. Increased the stack limit from 500 to 1500. Also added
Facundo Batista <facundobatista@gmail.com>
parents: 42308
diff changeset
490 return "["*level+"]"*level
ca5f2f960617 Issue 1881. Increased the stack limit from 500 to 1500. Also added
Facundo Batista <facundobatista@gmail.com>
parents: 42308
diff changeset
491
ca5f2f960617 Issue 1881. Increased the stack limit from 500 to 1500. Also added
Facundo Batista <facundobatista@gmail.com>
parents: 42308
diff changeset
492 def test_deeply_nested_list(self):
ca5f2f960617 Issue 1881. Increased the stack limit from 500 to 1500. Also added
Facundo Batista <facundobatista@gmail.com>
parents: 42308
diff changeset
493 e = self._nested_expression(99)
ca5f2f960617 Issue 1881. Increased the stack limit from 500 to 1500. Also added
Facundo Batista <facundobatista@gmail.com>
parents: 42308
diff changeset
494 st = parser.expr(e)
ca5f2f960617 Issue 1881. Increased the stack limit from 500 to 1500. Also added
Facundo Batista <facundobatista@gmail.com>
parents: 42308
diff changeset
495 st.compile()
ca5f2f960617 Issue 1881. Increased the stack limit from 500 to 1500. Also added
Facundo Batista <facundobatista@gmail.com>
parents: 42308
diff changeset
496
ca5f2f960617 Issue 1881. Increased the stack limit from 500 to 1500. Also added
Facundo Batista <facundobatista@gmail.com>
parents: 42308
diff changeset
497 def test_trigger_memory_error(self):
ca5f2f960617 Issue 1881. Increased the stack limit from 500 to 1500. Also added
Facundo Batista <facundobatista@gmail.com>
parents: 42308
diff changeset
498 e = self._nested_expression(100)
45849
3b39b7bb2c07 Note that the stderr output of the test is intentional.
Martin v. Löwis <martin@v.loewis.de>
parents: 45443
diff changeset
499 print >>sys.stderr, "Expecting 's_push: parser stack overflow' in next line"
45443
ca5f2f960617 Issue 1881. Increased the stack limit from 500 to 1500. Also added
Facundo Batista <facundobatista@gmail.com>
parents: 42308
diff changeset
500 self.assertRaises(MemoryError, parser.expr, e)
ca5f2f960617 Issue 1881. Increased the stack limit from 500 to 1500. Also added
Facundo Batista <facundobatista@gmail.com>
parents: 42308
diff changeset
501
20013
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Fred Drake <fdrake@acm.org>
parents: 18670
diff changeset
502 def test_main():
28917
1741af48fd9f Combine the functionality of test_support.run_unittest()
Walter Dörwald <walter@livinglogic.de>
parents: 27963
diff changeset
503 test_support.run_unittest(
1741af48fd9f Combine the functionality of test_support.run_unittest()
Walter Dörwald <walter@livinglogic.de>
parents: 27963
diff changeset
504 RoundtripLegalSyntaxTestCase,
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
505 IllegalSyntaxTestCase,
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
506 CompileTestCase,
45443
ca5f2f960617 Issue 1881. Increased the stack limit from 500 to 1500. Also added
Facundo Batista <facundobatista@gmail.com>
parents: 42308
diff changeset
507 ParserStackLimitTestCase,
28917
1741af48fd9f Combine the functionality of test_support.run_unittest()
Walter Dörwald <walter@livinglogic.de>
parents: 27963
diff changeset
508 )
20013
e3184e46303b Change the PyUnit-based tests to use the test_main() approach. This
Fred Drake <fdrake@acm.org>
parents: 18670
diff changeset
509
e3184e46303b Change the PyUnit-based tests to use the test_main() approach. This
Fred Drake <fdrake@acm.org>
parents: 18670
diff changeset
510
e3184e46303b Change the PyUnit-based tests to use the test_main() approach. This
Fred Drake <fdrake@acm.org>
parents: 18670
diff changeset
511 if __name__ == "__main__":
e3184e46303b Change the PyUnit-based tests to use the test_main() approach. This
Fred Drake <fdrake@acm.org>
parents: 18670
diff changeset
512 test_main()