mirror of https://github.com/python/cpython.git
642 lines
13 KiB
Python
642 lines
13 KiB
Python
# Python test set -- part 1, grammar.
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# This just tests whether the parser accepts them all.
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from test_support import *
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print '1. Parser'
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print '1.1 Tokens'
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print '1.1.1 Backslashes'
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# Backslash means line continuation:
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x = 1 \
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+ 1
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if x <> 2: raise TestFailed, 'backslash for line continuation'
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# Backslash does not means continuation in comments :\
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x = 0
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if x <> 0: raise TestFailed, 'backslash ending comment'
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print '1.1.2 Numeric literals'
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print '1.1.2.1 Plain integers'
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if 0xff <> 255: raise TestFailed, 'hex int'
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if 0377 <> 255: raise TestFailed, 'octal int'
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if 2147483647 != 017777777777: raise TestFailed, 'large positive int'
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try:
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from sys import maxint
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except ImportError:
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maxint = 2147483647
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if maxint == 2147483647:
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if -2147483647-1 != 020000000000: raise TestFailed, 'max negative int'
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# XXX -2147483648
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if 037777777777 != -1: raise TestFailed, 'oct -1'
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if 0xffffffff != -1: raise TestFailed, 'hex -1'
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for s in '2147483648', '040000000000', '0x100000000':
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try:
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x = eval(s)
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except OverflowError:
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continue
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## raise TestFailed, \
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print \
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'No OverflowError on huge integer literal ' + `s`
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elif eval('maxint == 9223372036854775807'):
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if eval('-9223372036854775807-1 != 01000000000000000000000'):
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raise TestFailed, 'max negative int'
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if eval('01777777777777777777777') != -1: raise TestFailed, 'oct -1'
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if eval('0xffffffffffffffff') != -1: raise TestFailed, 'hex -1'
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for s in '9223372036854775808', '02000000000000000000000', \
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'0x10000000000000000':
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try:
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x = eval(s)
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except OverflowError:
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continue
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raise TestFailed, \
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'No OverflowError on huge integer literal ' + `s`
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else:
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print 'Weird maxint value', maxint
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print '1.1.2.2 Long integers'
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x = 0L
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x = 0l
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x = 0xffffffffffffffffL
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x = 0xffffffffffffffffl
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x = 077777777777777777L
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x = 077777777777777777l
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x = 123456789012345678901234567890L
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x = 123456789012345678901234567890l
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print '1.1.2.3 Floating point'
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x = 3.14
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x = 314.
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x = 0.314
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# XXX x = 000.314
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x = .314
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x = 3e14
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x = 3E14
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x = 3e-14
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x = 3e+14
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x = 3.e14
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x = .3e14
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x = 3.1e4
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print '1.1.3 String literals'
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##def assert(s):
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## if not s: raise TestFailed, 'see traceback'
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x = ''; y = ""; assert(len(x) == 0 and x == y)
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x = '\''; y = "'"; assert(len(x) == 1 and x == y and ord(x) == 39)
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x = '"'; y = "\""; assert(len(x) == 1 and x == y and ord(x) == 34)
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x = "doesn't \"shrink\" does it"
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y = 'doesn\'t "shrink" does it'
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assert(len(x) == 24 and x == y)
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x = "does \"shrink\" doesn't it"
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y = 'does "shrink" doesn\'t it'
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assert(len(x) == 24 and x == y)
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x = """
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The "quick"
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brown fox
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jumps over
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the 'lazy' dog.
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"""
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y = '\nThe "quick"\nbrown fox\njumps over\nthe \'lazy\' dog.\n'
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assert(x == y)
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y = '''
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The "quick"
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brown fox
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jumps over
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the 'lazy' dog.
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'''; assert(x == y)
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y = "\n\
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The \"quick\"\n\
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brown fox\n\
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jumps over\n\
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the 'lazy' dog.\n\
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"; assert(x == y)
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y = '\n\
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The \"quick\"\n\
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brown fox\n\
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jumps over\n\
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the \'lazy\' dog.\n\
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'; assert(x == y)
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print '1.2 Grammar'
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print 'single_input' # NEWLINE | simple_stmt | compound_stmt NEWLINE
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# XXX can't test in a script -- this rule is only used when interactive
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print 'file_input' # (NEWLINE | stmt)* ENDMARKER
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# Being tested as this very moment this very module
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print 'expr_input' # testlist NEWLINE
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# XXX Hard to test -- used only in calls to input()
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print 'eval_input' # testlist ENDMARKER
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x = eval('1, 0 or 1')
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print 'funcdef'
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### 'def' NAME parameters ':' suite
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### parameters: '(' [varargslist] ')'
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### varargslist: (fpdef ['=' test] ',')* ('*' NAME [',' ('**'|'*' '*') NAME]
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### | ('**'|'*' '*') NAME)
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### | fpdef ['=' test] (',' fpdef ['=' test])* [',']
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### fpdef: NAME | '(' fplist ')'
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### fplist: fpdef (',' fpdef)* [',']
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### arglist: (argument ',')* (argument | *' test [',' '**' test] | '**' test)
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### argument: [test '='] test # Really [keyword '='] test
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def f1(): pass
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f1()
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f1(*())
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f1(*(), **{})
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def f2(one_argument): pass
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def f3(two, arguments): pass
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def f4(two, (compound, (argument, list))): pass
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def a1(one_arg,): pass
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def a2(two, args,): pass
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def v0(*rest): pass
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def v1(a, *rest): pass
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def v2(a, b, *rest): pass
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def v3(a, (b, c), *rest): pass
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def d01(a=1): pass
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d01()
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d01(1)
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d01(*(1,))
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d01(**{'a':2})
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def d11(a, b=1): pass
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d11(1)
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d11(1, 2)
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d11(1, **{'b':2})
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def d21(a, b, c=1): pass
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d21(1, 2)
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d21(1, 2, 3)
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d21(*(1, 2, 3))
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d21(1, *(2, 3))
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d21(1, 2, *(3,))
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d21(1, 2, **{'c':3})
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def d02(a=1, b=2): pass
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d02()
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d02(1)
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d02(1, 2)
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d02(*(1, 2))
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d02(1, *(2,))
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d02(1, **{'b':2})
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d02(**{'a': 1, 'b': 2})
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def d12(a, b=1, c=2): pass
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d12(1)
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d12(1, 2)
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d12(1, 2, 3)
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def d22(a, b, c=1, d=2): pass
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d22(1, 2)
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d22(1, 2, 3)
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d22(1, 2, 3, 4)
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def d01v(a=1, *rest): pass
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d01v()
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d01v(1)
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d01v(1, 2)
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d01v(*(1, 2, 3, 4))
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d01v(*(1,))
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d01v(**{'a':2})
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def d11v(a, b=1, *rest): pass
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d11v(1)
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d11v(1, 2)
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d11v(1, 2, 3)
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def d21v(a, b, c=1, *rest): pass
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d21v(1, 2)
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d21v(1, 2, 3)
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d21v(1, 2, 3, 4)
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d21v(*(1, 2, 3, 4))
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d21v(1, 2, **{'c': 3})
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def d02v(a=1, b=2, *rest): pass
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d02v()
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d02v(1)
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d02v(1, 2)
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d02v(1, 2, 3)
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d02v(1, *(2, 3, 4))
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d02v(**{'a': 1, 'b': 2})
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def d12v(a, b=1, c=2, *rest): pass
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d12v(1)
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d12v(1, 2)
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d12v(1, 2, 3)
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d12v(1, 2, 3, 4)
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d12v(*(1, 2, 3, 4))
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d12v(1, 2, *(3, 4, 5))
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d12v(1, *(2,), **{'c': 3})
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def d22v(a, b, c=1, d=2, *rest): pass
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d22v(1, 2)
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d22v(1, 2, 3)
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d22v(1, 2, 3, 4)
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d22v(1, 2, 3, 4, 5)
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d22v(*(1, 2, 3, 4))
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d22v(1, 2, *(3, 4, 5))
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d22v(1, *(2, 3), **{'d': 4})
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### stmt: simple_stmt | compound_stmt
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# Tested below
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### simple_stmt: small_stmt (';' small_stmt)* [';']
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print 'simple_stmt'
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x = 1; pass; del x
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### small_stmt: expr_stmt | print_stmt | pass_stmt | del_stmt | flow_stmt | import_stmt | global_stmt | access_stmt | exec_stmt
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# Tested below
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print 'expr_stmt' # (exprlist '=')* exprlist
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1
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1, 2, 3
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x = 1
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x = 1, 2, 3
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x = y = z = 1, 2, 3
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x, y, z = 1, 2, 3
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abc = a, b, c = x, y, z = xyz = 1, 2, (3, 4)
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# NB these variables are deleted below
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print 'print_stmt' # 'print' (test ',')* [test]
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print 1, 2, 3
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print 1, 2, 3,
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print
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print 0 or 1, 0 or 1,
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print 0 or 1
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print 'extended print_stmt' # 'print' '>>' test ','
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import sys
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print >> sys.stdout, 1, 2, 3
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print >> sys.stdout, 1, 2, 3,
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print >> sys.stdout
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print >> sys.stdout, 0 or 1, 0 or 1,
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print >> sys.stdout, 0 or 1
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# test print >> None
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class Gulp:
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def write(self, msg): pass
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def driver():
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oldstdout = sys.stdout
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sys.stdout = Gulp()
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try:
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tellme(Gulp())
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tellme()
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finally:
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sys.stdout = oldstdout
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# we should see this once
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def tellme(file=sys.stdout):
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print >> file, 'hello world'
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driver()
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# we should not see this at all
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def tellme(file=None):
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print >> file, 'goodbye universe'
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driver()
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# syntax errors
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def check_syntax(statement):
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try:
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compile(statement, '<string>', 'exec')
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except SyntaxError:
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pass
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else:
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print 'Missing SyntaxError: "%s"' % statement
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check_syntax('print ,')
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check_syntax('print >> x,')
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print 'del_stmt' # 'del' exprlist
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del abc
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del x, y, (z, xyz)
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print 'pass_stmt' # 'pass'
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pass
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print 'flow_stmt' # break_stmt | continue_stmt | return_stmt | raise_stmt
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# Tested below
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print 'break_stmt' # 'break'
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while 1: break
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print 'continue_stmt' # 'continue'
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i = 1
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while i: i = 0; continue
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print 'return_stmt' # 'return' [testlist]
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def g1(): return
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def g2(): return 1
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g1()
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x = g2()
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print 'raise_stmt' # 'raise' test [',' test]
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try: raise RuntimeError, 'just testing'
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except RuntimeError: pass
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try: raise KeyboardInterrupt
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except KeyboardInterrupt: pass
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print 'import_stmt' # 'import' NAME (',' NAME)* | 'from' NAME 'import' ('*' | NAME (',' NAME)*)
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import sys
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import time, sys
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from time import time
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from sys import *
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from sys import path, argv
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print 'global_stmt' # 'global' NAME (',' NAME)*
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def f():
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global a
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global a, b
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global one, two, three, four, five, six, seven, eight, nine, ten
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print 'exec_stmt' # 'exec' expr ['in' expr [',' expr]]
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def f():
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z = None
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del z
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exec 'z=1+1\n'
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if z <> 2: raise TestFailed, 'exec \'z=1+1\'\\n'
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del z
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exec 'z=1+1'
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if z <> 2: raise TestFailed, 'exec \'z=1+1\''
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z = None
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del z
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exec u'z=1+1\n'
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if z <> 2: raise TestFailed, 'exec u\'z=1+1\'\\n'
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del z
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exec u'z=1+1'
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if z <> 2: raise TestFailed, 'exec u\'z=1+1\''
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f()
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g = {}
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exec 'z = 1' in g
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if g.has_key('__builtins__'): del g['__builtins__']
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if g <> {'z': 1}: raise TestFailed, 'exec \'z = 1\' in g'
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g = {}
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l = {}
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exec 'global a; a = 1; b = 2' in g, l
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if g.has_key('__builtins__'): del g['__builtins__']
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if l.has_key('__builtins__'): del l['__builtins__']
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if (g, l) <> ({'a':1}, {'b':2}): raise TestFailed, 'exec ... in g, l'
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### compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt | funcdef | classdef
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# Tested below
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print 'if_stmt' # 'if' test ':' suite ('elif' test ':' suite)* ['else' ':' suite]
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if 1: pass
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if 1: pass
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else: pass
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if 0: pass
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elif 0: pass
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if 0: pass
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elif 0: pass
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elif 0: pass
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elif 0: pass
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else: pass
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print 'while_stmt' # 'while' test ':' suite ['else' ':' suite]
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while 0: pass
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while 0: pass
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else: pass
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print 'for_stmt' # 'for' exprlist 'in' exprlist ':' suite ['else' ':' suite]
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for i in 1, 2, 3: pass
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for i, j, k in (): pass
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else: pass
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class Squares:
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def __init__(self, max):
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self.max = max
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self.sofar = []
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def __len__(self): return len(self.sofar)
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def __getitem__(self, i):
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if not 0 <= i < self.max: raise IndexError
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n = len(self.sofar)
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while n <= i:
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self.sofar.append(n*n)
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n = n+1
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return self.sofar[i]
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n = 0
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for x in Squares(10): n = n+x
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if n != 285: raise TestFailed, 'for over growing sequence'
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print 'try_stmt'
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### try_stmt: 'try' ':' suite (except_clause ':' suite)+ ['else' ':' suite]
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### | 'try' ':' suite 'finally' ':' suite
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### except_clause: 'except' [expr [',' expr]]
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try:
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1/0
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except ZeroDivisionError:
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pass
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else:
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pass
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try: 1/0
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except EOFError: pass
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except TypeError, msg: pass
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except RuntimeError, msg: pass
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except: pass
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else: pass
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try: 1/0
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except (EOFError, TypeError, ZeroDivisionError): pass
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try: 1/0
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except (EOFError, TypeError, ZeroDivisionError), msg: pass
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try: pass
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finally: pass
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print 'suite' # simple_stmt | NEWLINE INDENT NEWLINE* (stmt NEWLINE*)+ DEDENT
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if 1: pass
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if 1:
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pass
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if 1:
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#
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#
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#
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pass
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pass
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#
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pass
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#
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print 'test'
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### and_test ('or' and_test)*
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### and_test: not_test ('and' not_test)*
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### not_test: 'not' not_test | comparison
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if not 1: pass
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if 1 and 1: pass
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if 1 or 1: pass
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if not not not 1: pass
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if not 1 and 1 and 1: pass
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if 1 and 1 or 1 and 1 and 1 or not 1 and 1: pass
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print 'comparison'
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### comparison: expr (comp_op expr)*
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### comp_op: '<'|'>'|'=='|'>='|'<='|'<>'|'!='|'in'|'not' 'in'|'is'|'is' 'not'
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if 1: pass
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x = (1 == 1)
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if 1 == 1: pass
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if 1 != 1: pass
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if 1 <> 1: pass
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if 1 < 1: pass
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if 1 > 1: pass
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if 1 <= 1: pass
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if 1 >= 1: pass
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if 1 is 1: pass
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if 1 is not 1: pass
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if 1 in (): pass
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if 1 not in (): pass
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if 1 < 1 > 1 == 1 >= 1 <= 1 <> 1 != 1 in 1 not in 1 is 1 is not 1: pass
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print 'binary mask ops'
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x = 1 & 1
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x = 1 ^ 1
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x = 1 | 1
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print 'shift ops'
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x = 1 << 1
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x = 1 >> 1
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x = 1 << 1 >> 1
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print 'additive ops'
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x = 1
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x = 1 + 1
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x = 1 - 1 - 1
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x = 1 - 1 + 1 - 1 + 1
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print 'multiplicative ops'
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x = 1 * 1
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x = 1 / 1
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x = 1 % 1
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x = 1 / 1 * 1 % 1
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print 'unary ops'
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x = +1
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x = -1
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x = ~1
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x = ~1 ^ 1 & 1 | 1 & 1 ^ -1
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x = -1*1/1 + 1*1 - ---1*1
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print 'selectors'
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### trailer: '(' [testlist] ')' | '[' subscript ']' | '.' NAME
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### subscript: expr | [expr] ':' [expr]
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f1()
|
|
f2(1)
|
|
f2(1,)
|
|
f3(1, 2)
|
|
f3(1, 2,)
|
|
f4(1, (2, (3, 4)))
|
|
v0()
|
|
v0(1)
|
|
v0(1,)
|
|
v0(1,2)
|
|
v0(1,2,3,4,5,6,7,8,9,0)
|
|
v1(1)
|
|
v1(1,)
|
|
v1(1,2)
|
|
v1(1,2,3)
|
|
v1(1,2,3,4,5,6,7,8,9,0)
|
|
v2(1,2)
|
|
v2(1,2,3)
|
|
v2(1,2,3,4)
|
|
v2(1,2,3,4,5,6,7,8,9,0)
|
|
v3(1,(2,3))
|
|
v3(1,(2,3),4)
|
|
v3(1,(2,3),4,5,6,7,8,9,0)
|
|
print
|
|
import sys, time
|
|
c = sys.path[0]
|
|
x = time.time()
|
|
x = sys.modules['time'].time()
|
|
a = '01234'
|
|
c = a[0]
|
|
c = a[-1]
|
|
s = a[0:5]
|
|
s = a[:5]
|
|
s = a[0:]
|
|
s = a[:]
|
|
s = a[-5:]
|
|
s = a[:-1]
|
|
s = a[-4:-3]
|
|
|
|
print 'atoms'
|
|
### atom: '(' [testlist] ')' | '[' [testlist] ']' | '{' [dictmaker] '}' | '`' testlist '`' | NAME | NUMBER | STRING
|
|
### dictmaker: test ':' test (',' test ':' test)* [',']
|
|
|
|
x = (1)
|
|
x = (1 or 2 or 3)
|
|
x = (1 or 2 or 3, 2, 3)
|
|
|
|
x = []
|
|
x = [1]
|
|
x = [1 or 2 or 3]
|
|
x = [1 or 2 or 3, 2, 3]
|
|
x = []
|
|
|
|
x = {}
|
|
x = {'one': 1}
|
|
x = {'one': 1,}
|
|
x = {'one' or 'two': 1 or 2}
|
|
x = {'one': 1, 'two': 2}
|
|
x = {'one': 1, 'two': 2,}
|
|
x = {'one': 1, 'two': 2, 'three': 3, 'four': 4, 'five': 5, 'six': 6}
|
|
|
|
x = `x`
|
|
x = `1 or 2 or 3`
|
|
x = x
|
|
x = 'x'
|
|
x = 123
|
|
|
|
### exprlist: expr (',' expr)* [',']
|
|
### testlist: test (',' test)* [',']
|
|
# These have been exercised enough above
|
|
|
|
print 'classdef' # 'class' NAME ['(' testlist ')'] ':' suite
|
|
class B: pass
|
|
class C1(B): pass
|
|
class C2(B): pass
|
|
class D(C1, C2, B): pass
|
|
class C:
|
|
def meth1(self): pass
|
|
def meth2(self, arg): pass
|
|
def meth3(self, a1, a2): pass
|
|
|
|
# list comprehension tests
|
|
nums = [1, 2, 3, 4, 5]
|
|
strs = ["Apple", "Banana", "Coconut"]
|
|
spcs = [" Apple", " Banana ", "Coco nut "]
|
|
|
|
print [s.strip() for s in spcs]
|
|
print [3 * x for x in nums]
|
|
print [x for x in nums if x > 2]
|
|
print [(i, s) for i in nums for s in strs]
|
|
print [(i, s) for i in nums for s in [f for f in strs if "n" in f]]
|
|
try:
|
|
eval("[i, s for i in nums for s in strs]")
|
|
print "FAIL: should have raised a SyntaxError!"
|
|
except SyntaxError:
|
|
print "good: got a SyntaxError as expected"
|
|
|
|
try:
|
|
eval("[x if y]")
|
|
print "FAIL: should have raised a SyntaxError!"
|
|
except SyntaxError:
|
|
print "good: got a SyntaxError as expected"
|
|
|
|
suppliers = [
|
|
(1, "Boeing"),
|
|
(2, "Ford"),
|
|
(3, "Macdonalds")
|
|
]
|
|
|
|
parts = [
|
|
(10, "Airliner"),
|
|
(20, "Engine"),
|
|
(30, "Cheeseburger")
|
|
]
|
|
|
|
suppart = [
|
|
(1, 10), (1, 20), (2, 20), (3, 30)
|
|
]
|
|
|
|
print [
|
|
(sname, pname)
|
|
for (sno, sname) in suppliers
|
|
for (pno, pname) in parts
|
|
for (sp_sno, sp_pno) in suppart
|
|
if sno == sp_sno and pno == sp_pno
|
|
]
|