# Python test set -- part 1, grammar. # This just tests whether the parser accepts them all. from test_support import * print '1. Parser' print '1.1 Tokens' print '1.1.1 Backslashes' # Backslash means line continuation: x = 1 \ + 1 if x <> 2: raise TestFailed, 'backslash for line continuation' # Backslash does not means continuation in comments :\ x = 0 if x <> 0: raise TestFailed, 'backslash ending comment' print '1.1.2 Numeric literals' print '1.1.2.1 Plain integers' if 0xff <> 255: raise TestFailed, 'hex int' if 0377 <> 255: raise TestFailed, 'octal int' if 2147483647 != 017777777777: raise TestFailed, 'max positive int' if -2147483647-1 != 020000000000: raise TestFailed, 'max negative int' # XXX -2147483648 if 037777777777 != -1: raise TestFailed, 'oct -1' if 0xffffffff != -1: raise TestFailed, 'hex -1' for s in '2147483648', '040000000000', '0x100000000': try: x = eval(s) except OverflowError: continue raise TestFailed, 'No OverflowError on huge integer literal ' + `s` print '1.1.2.2 Long integers' x = 0L x = 0l x = 0xffffffffffffffffL x = 0xffffffffffffffffl x = 077777777777777777L x = 077777777777777777l x = 123456789012345678901234567890L x = 123456789012345678901234567890l print '1.1.2.3 Floating point' x = 3.14 x = 314. x = 0.314 # XXX x = 000.314 x = .314 x = 3e14 x = 3E14 x = 3e-14 x = 3e+14 x = 3.e14 x = .3e14 x = 3.1e4 print '1.2 Grammar' print 'single_input' # NEWLINE | simple_stmt | compound_stmt NEWLINE # XXX can't test in a script -- this rule is only used when interactive print 'file_input' # (NEWLINE | stmt)* ENDMARKER # Being tested as this very moment this very module print 'expr_input' # testlist NEWLINE # XXX Hard to test -- used only in calls to input() print 'eval_input' # testlist ENDMARKER x = eval('1, 0 or 1') print 'funcdef' ### 'def' NAME parameters ':' suite ### parameters: '(' [varargslist] ')' ### varargslist: (fpdef ',')* ('+'|'*') NAME | fpdef (',' fpdef)* [','] ### fpdef: NAME | '(' fplist ')' ### fplist: fpdef (',' fpdef)* [','] def f1(): pass def f2(one_argument): pass def f3(two, arguments): pass def f4(two, (compound, (argument, list))): pass def a1(one_arg,): pass def a2(two, args,): pass def v0(*rest): pass def v1(a, *rest): pass def v2(a, b, *rest): pass def v3(a, (b, c), *rest): pass ### stmt: simple_stmt | compound_stmt # Tested below ### simple_stmt: small_stmt (';' small_stmt)* [';'] print 'simple_stmt' x = 1; pass; del x ### small_stmt: expr_stmt | print_stmt | pass_stmt | del_stmt | flow_stmt | import_stmt # Tested below print 'expr_stmt' # (exprlist '=')* exprlist 1 1, 2, 3 x = 1 x = 1, 2, 3 x = y = z = 1, 2, 3 x, y, z = 1, 2, 3 abc = a, b, c = x, y, z = xyz = 1, 2, (3, 4) # NB these variables are deleted below print 'print_stmt' # 'print' (test ',')* [test] print 1, 2, 3 print 1, 2, 3, print print 0 or 1, 0 or 1, print 0 or 1 print 'del_stmt' # 'del' exprlist del abc del x, y, (z, xyz) print 'pass_stmt' # 'pass' pass print 'flow_stmt' # break_stmt | continue_stmt | return_stmt | raise_stmt # Tested below print 'break_stmt' # 'break' while 1: break print 'continue_stmt' # 'continue' i = 1 while i: i = 0; continue print 'return_stmt' # 'return' [testlist] def g1(): return def g2(): return 1 g1() x = g2() print 'raise_stmt' # 'raise' test [',' test] try: raise RuntimeError, 'just testing' except RuntimeError: pass try: raise KeyboardInterrupt except KeyboardInterrupt: pass print 'import_stmt' # 'import' NAME (',' NAME)* | 'from' NAME 'import' ('*' | NAME (',' NAME)*) [1] import sys [2] import time, math [3] from time import sleep [4] from sys import * [5] from math import sin, cos [6] print 'global_stmt' # 'global' NAME (',' NAME)* def f(): global a global a, b global one, two, three, four, five, six, seven, eight, nine, ten ### compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt | funcdef | classdef # Tested below print 'if_stmt' # 'if' test ':' suite ('elif' test ':' suite)* ['else' ':' suite] if 1: pass if 1: pass else: pass if 0: pass elif 0: pass if 0: pass elif 0: pass elif 0: pass elif 0: pass else: pass print 'while_stmt' # 'while' test ':' suite ['else' ':' suite] while 0: pass while 0: pass else: pass print 'for_stmt' # 'for' exprlist 'in' exprlist ':' suite ['else' ':' suite] [1] for i in 1, 2, 3: pass [2] for i, j, k in (): pass else: pass [3] print 'try_stmt' # 'try' ':' suite (except_clause ':' suite)+ | 'try' ':' suite 'finally' ':' suite ### except_clause: 'except' [expr [',' expr]] try: 1/0 except ZeroDivisionError: pass try: 1/0 except EOFError: pass except TypeError, msg: pass except RuntimeError, msg: pass except: pass try: pass finally: pass print 'suite' # simple_stmt | NEWLINE INDENT NEWLINE* (stmt NEWLINE*)+ DEDENT if 1: pass if 1: pass if 1: # # # pass pass # pass # print 'test' ### and_test ('or' and_test)* ### and_test: not_test ('and' not_test)* ### not_test: 'not' not_test | comparison if not 1: pass if 1 and 1: pass if 1 or 1: pass if not not not 1: pass if not 1 and 1 and 1: pass if 1 and 1 or 1 and 1 and 1 or not 1 and 1: pass print 'comparison' ### comparison: expr (comp_op expr)* ### comp_op: '<'|'>'|'=='|'>='|'<='|'<>'|'!='|'in'|'not' 'in'|'is'|'is' 'not' if 1: pass x = (1 == 1) if 1 == 1: pass if 1 != 1: pass if 1 <> 1: pass if 1 < 1: pass if 1 > 1: pass if 1 <= 1: pass if 1 >= 1: pass if 1 is 1: pass if 1 is not 1: pass if 1 in (): pass if 1 not in (): pass if 1 < 1 > 1 == 1 >= 1 <= 1 <> 1 in 1 not in 1 is 1 is not 1: pass print 'binary mask ops' x = 1 & 1 x = 1 ^ 1 x = 1 | 1 print 'shift ops' x = 1 << 1 x = 1 >> 1 x = 1 << 1 >> 1 print 'additive ops' x = 1 x = 1 + 1 x = 1 - 1 - 1 x = 1 - 1 + 1 - 1 + 1 print 'multiplicative ops' x = 1 * 1 x = 1 / 1 x = 1 % 1 x = 1 / 1 * 1 % 1 print 'unary ops' x = +1 x = -1 x = ~1 x = ~1 ^ 1 & 1 | 1 & 1 ^ -1 x = -1*1/1 + 1*1 - ---1*1 print 'selectors' ### trailer: '(' [testlist] ')' | '[' subscript ']' | '.' NAME ### subscript: expr | [expr] ':' [expr] 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 parameters ['=' baselist] ':' suite ### baselist: atom arguments (',' atom arguments)* ### arguments: '(' [testlist] ')' 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