+++ /dev/null
-# Python test set -- part 1, grammar.\r
-# This just tests whether the parser accepts them all.\r
-\r
-# NOTE: When you run this test as a script from the command line, you\r
-# get warnings about certain hex/oct constants. Since those are\r
-# issued by the parser, you can't suppress them by adding a\r
-# filterwarnings() call to this module. Therefore, to shut up the\r
-# regression test, the filterwarnings() call has been added to\r
-# regrtest.py.\r
-\r
-from test.support import run_unittest, check_syntax_error\r
-import unittest\r
-import sys\r
-# testing import *\r
-from sys import *\r
-\r
-class TokenTests(unittest.TestCase):\r
-\r
- def testBackslash(self):\r
- # Backslash means line continuation:\r
- x = 1 \\r
- + 1\r
- self.assertEquals(x, 2, 'backslash for line continuation')\r
-\r
- # Backslash does not means continuation in comments :\\r
- x = 0\r
- self.assertEquals(x, 0, 'backslash ending comment')\r
-\r
- def testPlainIntegers(self):\r
- self.assertEquals(type(000), type(0))\r
- self.assertEquals(0xff, 255)\r
- self.assertEquals(0o377, 255)\r
- self.assertEquals(2147483647, 0o17777777777)\r
- self.assertEquals(0b1001, 9)\r
- # "0x" is not a valid literal\r
- self.assertRaises(SyntaxError, eval, "0x")\r
- from sys import maxsize\r
- if maxsize == 2147483647:\r
- self.assertEquals(-2147483647-1, -0o20000000000)\r
- # XXX -2147483648\r
- self.assert_(0o37777777777 > 0)\r
- self.assert_(0xffffffff > 0)\r
- self.assert_(0b1111111111111111111111111111111 > 0)\r
- for s in ('2147483648', '0o40000000000', '0x100000000',\r
- '0b10000000000000000000000000000000'):\r
- try:\r
- x = eval(s)\r
- except OverflowError:\r
- self.fail("OverflowError on huge integer literal %r" % s)\r
- elif maxsize == 9223372036854775807:\r
- self.assertEquals(-9223372036854775807-1, -0o1000000000000000000000)\r
- self.assert_(0o1777777777777777777777 > 0)\r
- self.assert_(0xffffffffffffffff > 0)\r
- self.assert_(0b11111111111111111111111111111111111111111111111111111111111111 > 0)\r
- for s in '9223372036854775808', '0o2000000000000000000000', \\r
- '0x10000000000000000', \\r
- '0b100000000000000000000000000000000000000000000000000000000000000':\r
- try:\r
- x = eval(s)\r
- except OverflowError:\r
- self.fail("OverflowError on huge integer literal %r" % s)\r
- else:\r
- self.fail('Weird maxsize value %r' % maxsize)\r
-\r
- def testLongIntegers(self):\r
- x = 0\r
- x = 0xffffffffffffffff\r
- x = 0Xffffffffffffffff\r
- x = 0o77777777777777777\r
- x = 0O77777777777777777\r
- x = 123456789012345678901234567890\r
- x = 0b100000000000000000000000000000000000000000000000000000000000000000000\r
- x = 0B111111111111111111111111111111111111111111111111111111111111111111111\r
-\r
- def testFloats(self):\r
- x = 3.14\r
- x = 314.\r
- x = 0.314\r
- # XXX x = 000.314\r
- x = .314\r
- x = 3e14\r
- x = 3E14\r
- x = 3e-14\r
- x = 3e+14\r
- x = 3.e14\r
- x = .3e14\r
- x = 3.1e4\r
-\r
- def testStringLiterals(self):\r
- x = ''; y = ""; self.assert_(len(x) == 0 and x == y)\r
- x = '\''; y = "'"; self.assert_(len(x) == 1 and x == y and ord(x) == 39)\r
- x = '"'; y = "\""; self.assert_(len(x) == 1 and x == y and ord(x) == 34)\r
- x = "doesn't \"shrink\" does it"\r
- y = 'doesn\'t "shrink" does it'\r
- self.assert_(len(x) == 24 and x == y)\r
- x = "does \"shrink\" doesn't it"\r
- y = 'does "shrink" doesn\'t it'\r
- self.assert_(len(x) == 24 and x == y)\r
- x = """\r
-The "quick"\r
-brown fox\r
-jumps over\r
-the 'lazy' dog.\r
-"""\r
- y = '\nThe "quick"\nbrown fox\njumps over\nthe \'lazy\' dog.\n'\r
- self.assertEquals(x, y)\r
- y = '''\r
-The "quick"\r
-brown fox\r
-jumps over\r
-the 'lazy' dog.\r
-'''\r
- self.assertEquals(x, y)\r
- y = "\n\\r
-The \"quick\"\n\\r
-brown fox\n\\r
-jumps over\n\\r
-the 'lazy' dog.\n\\r
-"\r
- self.assertEquals(x, y)\r
- y = '\n\\r
-The \"quick\"\n\\r
-brown fox\n\\r
-jumps over\n\\r
-the \'lazy\' dog.\n\\r
-'\r
- self.assertEquals(x, y)\r
-\r
- def testEllipsis(self):\r
- x = ...\r
- self.assert_(x is Ellipsis)\r
- self.assertRaises(SyntaxError, eval, ".. .")\r
-\r
-class GrammarTests(unittest.TestCase):\r
-\r
- # single_input: NEWLINE | simple_stmt | compound_stmt NEWLINE\r
- # XXX can't test in a script -- this rule is only used when interactive\r
-\r
- # file_input: (NEWLINE | stmt)* ENDMARKER\r
- # Being tested as this very moment this very module\r
-\r
- # expr_input: testlist NEWLINE\r
- # XXX Hard to test -- used only in calls to input()\r
-\r
- def testEvalInput(self):\r
- # testlist ENDMARKER\r
- x = eval('1, 0 or 1')\r
-\r
- def testFuncdef(self):\r
- ### [decorators] 'def' NAME parameters ['->' test] ':' suite\r
- ### decorator: '@' dotted_name [ '(' [arglist] ')' ] NEWLINE\r
- ### decorators: decorator+\r
- ### parameters: '(' [typedargslist] ')'\r
- ### typedargslist: ((tfpdef ['=' test] ',')*\r
- ### ('*' [tfpdef] (',' tfpdef ['=' test])* [',' '**' tfpdef] | '**' tfpdef)\r
- ### | tfpdef ['=' test] (',' tfpdef ['=' test])* [','])\r
- ### tfpdef: NAME [':' test]\r
- ### varargslist: ((vfpdef ['=' test] ',')*\r
- ### ('*' [vfpdef] (',' vfpdef ['=' test])* [',' '**' vfpdef] | '**' vfpdef)\r
- ### | vfpdef ['=' test] (',' vfpdef ['=' test])* [','])\r
- ### vfpdef: NAME\r
- def f1(): pass\r
- f1()\r
- f1(*())\r
- f1(*(), **{})\r
- def f2(one_argument): pass\r
- def f3(two, arguments): pass\r
- self.assertEquals(f2.__code__.co_varnames, ('one_argument',))\r
- self.assertEquals(f3.__code__.co_varnames, ('two', 'arguments'))\r
- def a1(one_arg,): pass\r
- def a2(two, args,): pass\r
- def v0(*rest): pass\r
- def v1(a, *rest): pass\r
- def v2(a, b, *rest): pass\r
-\r
- f1()\r
- f2(1)\r
- f2(1,)\r
- f3(1, 2)\r
- f3(1, 2,)\r
- v0()\r
- v0(1)\r
- v0(1,)\r
- v0(1,2)\r
- v0(1,2,3,4,5,6,7,8,9,0)\r
- v1(1)\r
- v1(1,)\r
- v1(1,2)\r
- v1(1,2,3)\r
- v1(1,2,3,4,5,6,7,8,9,0)\r
- v2(1,2)\r
- v2(1,2,3)\r
- v2(1,2,3,4)\r
- v2(1,2,3,4,5,6,7,8,9,0)\r
-\r
- def d01(a=1): pass\r
- d01()\r
- d01(1)\r
- d01(*(1,))\r
- d01(**{'a':2})\r
- def d11(a, b=1): pass\r
- d11(1)\r
- d11(1, 2)\r
- d11(1, **{'b':2})\r
- def d21(a, b, c=1): pass\r
- d21(1, 2)\r
- d21(1, 2, 3)\r
- d21(*(1, 2, 3))\r
- d21(1, *(2, 3))\r
- d21(1, 2, *(3,))\r
- d21(1, 2, **{'c':3})\r
- def d02(a=1, b=2): pass\r
- d02()\r
- d02(1)\r
- d02(1, 2)\r
- d02(*(1, 2))\r
- d02(1, *(2,))\r
- d02(1, **{'b':2})\r
- d02(**{'a': 1, 'b': 2})\r
- def d12(a, b=1, c=2): pass\r
- d12(1)\r
- d12(1, 2)\r
- d12(1, 2, 3)\r
- def d22(a, b, c=1, d=2): pass\r
- d22(1, 2)\r
- d22(1, 2, 3)\r
- d22(1, 2, 3, 4)\r
- def d01v(a=1, *rest): pass\r
- d01v()\r
- d01v(1)\r
- d01v(1, 2)\r
- d01v(*(1, 2, 3, 4))\r
- d01v(*(1,))\r
- d01v(**{'a':2})\r
- def d11v(a, b=1, *rest): pass\r
- d11v(1)\r
- d11v(1, 2)\r
- d11v(1, 2, 3)\r
- def d21v(a, b, c=1, *rest): pass\r
- d21v(1, 2)\r
- d21v(1, 2, 3)\r
- d21v(1, 2, 3, 4)\r
- d21v(*(1, 2, 3, 4))\r
- d21v(1, 2, **{'c': 3})\r
- def d02v(a=1, b=2, *rest): pass\r
- d02v()\r
- d02v(1)\r
- d02v(1, 2)\r
- d02v(1, 2, 3)\r
- d02v(1, *(2, 3, 4))\r
- d02v(**{'a': 1, 'b': 2})\r
- def d12v(a, b=1, c=2, *rest): pass\r
- d12v(1)\r
- d12v(1, 2)\r
- d12v(1, 2, 3)\r
- d12v(1, 2, 3, 4)\r
- d12v(*(1, 2, 3, 4))\r
- d12v(1, 2, *(3, 4, 5))\r
- d12v(1, *(2,), **{'c': 3})\r
- def d22v(a, b, c=1, d=2, *rest): pass\r
- d22v(1, 2)\r
- d22v(1, 2, 3)\r
- d22v(1, 2, 3, 4)\r
- d22v(1, 2, 3, 4, 5)\r
- d22v(*(1, 2, 3, 4))\r
- d22v(1, 2, *(3, 4, 5))\r
- d22v(1, *(2, 3), **{'d': 4})\r
-\r
- # keyword argument type tests\r
- try:\r
- str('x', **{b'foo':1 })\r
- except TypeError:\r
- pass\r
- else:\r
- self.fail('Bytes should not work as keyword argument names')\r
- # keyword only argument tests\r
- def pos0key1(*, key): return key\r
- pos0key1(key=100)\r
- def pos2key2(p1, p2, *, k1, k2=100): return p1,p2,k1,k2\r
- pos2key2(1, 2, k1=100)\r
- pos2key2(1, 2, k1=100, k2=200)\r
- pos2key2(1, 2, k2=100, k1=200)\r
- def pos2key2dict(p1, p2, *, k1=100, k2, **kwarg): return p1,p2,k1,k2,kwarg\r
- pos2key2dict(1,2,k2=100,tokwarg1=100,tokwarg2=200)\r
- pos2key2dict(1,2,tokwarg1=100,tokwarg2=200, k2=100)\r
-\r
- # keyword arguments after *arglist\r
- def f(*args, **kwargs):\r
- return args, kwargs\r
- self.assertEquals(f(1, x=2, *[3, 4], y=5), ((1, 3, 4),\r
- {'x':2, 'y':5}))\r
- self.assertRaises(SyntaxError, eval, "f(1, *(2,3), 4)")\r
- self.assertRaises(SyntaxError, eval, "f(1, x=2, *(3,4), x=5)")\r
-\r
- # argument annotation tests\r
- def f(x) -> list: pass\r
- self.assertEquals(f.__annotations__, {'return': list})\r
- def f(x:int): pass\r
- self.assertEquals(f.__annotations__, {'x': int})\r
- def f(*x:str): pass\r
- self.assertEquals(f.__annotations__, {'x': str})\r
- def f(**x:float): pass\r
- self.assertEquals(f.__annotations__, {'x': float})\r
- def f(x, y:1+2): pass\r
- self.assertEquals(f.__annotations__, {'y': 3})\r
- def f(a, b:1, c:2, d): pass\r
- self.assertEquals(f.__annotations__, {'b': 1, 'c': 2})\r
- def f(a, b:1, c:2, d, e:3=4, f=5, *g:6): pass\r
- self.assertEquals(f.__annotations__,\r
- {'b': 1, 'c': 2, 'e': 3, 'g': 6})\r
- def f(a, b:1, c:2, d, e:3=4, f=5, *g:6, h:7, i=8, j:9=10,\r
- **k:11) -> 12: pass\r
- self.assertEquals(f.__annotations__,\r
- {'b': 1, 'c': 2, 'e': 3, 'g': 6, 'h': 7, 'j': 9,\r
- 'k': 11, 'return': 12})\r
- # Check for SF Bug #1697248 - mixing decorators and a return annotation\r
- def null(x): return x\r
- @null\r
- def f(x) -> list: pass\r
- self.assertEquals(f.__annotations__, {'return': list})\r
-\r
- # test MAKE_CLOSURE with a variety of oparg's\r
- closure = 1\r
- def f(): return closure\r
- def f(x=1): return closure\r
- def f(*, k=1): return closure\r
- def f() -> int: return closure\r
-\r
- # Check ast errors in *args and *kwargs\r
- check_syntax_error(self, "f(*g(1=2))")\r
- check_syntax_error(self, "f(**g(1=2))")\r
-\r
- def testLambdef(self):\r
- ### lambdef: 'lambda' [varargslist] ':' test\r
- l1 = lambda : 0\r
- self.assertEquals(l1(), 0)\r
- l2 = lambda : a[d] # XXX just testing the expression\r
- l3 = lambda : [2 < x for x in [-1, 3, 0]]\r
- self.assertEquals(l3(), [0, 1, 0])\r
- l4 = lambda x = lambda y = lambda z=1 : z : y() : x()\r
- self.assertEquals(l4(), 1)\r
- l5 = lambda x, y, z=2: x + y + z\r
- self.assertEquals(l5(1, 2), 5)\r
- self.assertEquals(l5(1, 2, 3), 6)\r
- check_syntax_error(self, "lambda x: x = 2")\r
- check_syntax_error(self, "lambda (None,): None")\r
- l6 = lambda x, y, *, k=20: x+y+k\r
- self.assertEquals(l6(1,2), 1+2+20)\r
- self.assertEquals(l6(1,2,k=10), 1+2+10)\r
-\r
-\r
- ### stmt: simple_stmt | compound_stmt\r
- # Tested below\r
-\r
- def testSimpleStmt(self):\r
- ### simple_stmt: small_stmt (';' small_stmt)* [';']\r
- x = 1; pass; del x\r
- def foo():\r
- # verify statements that end with semi-colons\r
- x = 1; pass; del x;\r
- foo()\r
-\r
- ### small_stmt: expr_stmt | pass_stmt | del_stmt | flow_stmt | import_stmt | global_stmt | access_stmt\r
- # Tested below\r
-\r
- def testExprStmt(self):\r
- # (exprlist '=')* exprlist\r
- 1\r
- 1, 2, 3\r
- x = 1\r
- x = 1, 2, 3\r
- x = y = z = 1, 2, 3\r
- x, y, z = 1, 2, 3\r
- abc = a, b, c = x, y, z = xyz = 1, 2, (3, 4)\r
-\r
- check_syntax_error(self, "x + 1 = 1")\r
- check_syntax_error(self, "a + 1 = b + 2")\r
-\r
- def testDelStmt(self):\r
- # 'del' exprlist\r
- abc = [1,2,3]\r
- x, y, z = abc\r
- xyz = x, y, z\r
-\r
- del abc\r
- del x, y, (z, xyz)\r
-\r
- def testPassStmt(self):\r
- # 'pass'\r
- pass\r
-\r
- # flow_stmt: break_stmt | continue_stmt | return_stmt | raise_stmt\r
- # Tested below\r
-\r
- def testBreakStmt(self):\r
- # 'break'\r
- while 1: break\r
-\r
- def testContinueStmt(self):\r
- # 'continue'\r
- i = 1\r
- while i: i = 0; continue\r
-\r
- msg = ""\r
- while not msg:\r
- msg = "ok"\r
- try:\r
- continue\r
- msg = "continue failed to continue inside try"\r
- except:\r
- msg = "continue inside try called except block"\r
- if msg != "ok":\r
- self.fail(msg)\r
-\r
- msg = ""\r
- while not msg:\r
- msg = "finally block not called"\r
- try:\r
- continue\r
- finally:\r
- msg = "ok"\r
- if msg != "ok":\r
- self.fail(msg)\r
-\r
- def test_break_continue_loop(self):\r
- # This test warrants an explanation. It is a test specifically for SF bugs\r
- # #463359 and #462937. The bug is that a 'break' statement executed or\r
- # exception raised inside a try/except inside a loop, *after* a continue\r
- # statement has been executed in that loop, will cause the wrong number of\r
- # arguments to be popped off the stack and the instruction pointer reset to\r
- # a very small number (usually 0.) Because of this, the following test\r
- # *must* written as a function, and the tracking vars *must* be function\r
- # arguments with default values. Otherwise, the test will loop and loop.\r
-\r
- def test_inner(extra_burning_oil = 1, count=0):\r
- big_hippo = 2\r
- while big_hippo:\r
- count += 1\r
- try:\r
- if extra_burning_oil and big_hippo == 1:\r
- extra_burning_oil -= 1\r
- break\r
- big_hippo -= 1\r
- continue\r
- except:\r
- raise\r
- if count > 2 or big_hippo != 1:\r
- self.fail("continue then break in try/except in loop broken!")\r
- test_inner()\r
-\r
- def testReturn(self):\r
- # 'return' [testlist]\r
- def g1(): return\r
- def g2(): return 1\r
- g1()\r
- x = g2()\r
- check_syntax_error(self, "class foo:return 1")\r
-\r
- def testYield(self):\r
- check_syntax_error(self, "class foo:yield 1")\r
-\r
- def testRaise(self):\r
- # 'raise' test [',' test]\r
- try: raise RuntimeError('just testing')\r
- except RuntimeError: pass\r
- try: raise KeyboardInterrupt\r
- except KeyboardInterrupt: pass\r
-\r
- def testImport(self):\r
- # 'import' dotted_as_names\r
- import sys\r
- import time, sys\r
- # 'from' dotted_name 'import' ('*' | '(' import_as_names ')' | import_as_names)\r
- from time import time\r
- from time import (time)\r
- # not testable inside a function, but already done at top of the module\r
- # from sys import *\r
- from sys import path, argv\r
- from sys import (path, argv)\r
- from sys import (path, argv,)\r
-\r
- def testGlobal(self):\r
- # 'global' NAME (',' NAME)*\r
- global a\r
- global a, b\r
- global one, two, three, four, five, six, seven, eight, nine, ten\r
-\r
- def testNonlocal(self):\r
- # 'nonlocal' NAME (',' NAME)*\r
- x = 0\r
- y = 0\r
- def f():\r
- nonlocal x\r
- nonlocal x, y\r
-\r
- def testAssert(self):\r
- # assert_stmt: 'assert' test [',' test]\r
- assert 1\r
- assert 1, 1\r
- assert lambda x:x\r
- assert 1, lambda x:x+1\r
- try:\r
- assert 0, "msg"\r
- except AssertionError as e:\r
- self.assertEquals(e.args[0], "msg")\r
- else:\r
- if __debug__:\r
- self.fail("AssertionError not raised by assert 0")\r
-\r
- ### compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt | funcdef | classdef\r
- # Tested below\r
-\r
- def testIf(self):\r
- # 'if' test ':' suite ('elif' test ':' suite)* ['else' ':' suite]\r
- if 1: pass\r
- if 1: pass\r
- else: pass\r
- if 0: pass\r
- elif 0: pass\r
- if 0: pass\r
- elif 0: pass\r
- elif 0: pass\r
- elif 0: pass\r
- else: pass\r
-\r
- def testWhile(self):\r
- # 'while' test ':' suite ['else' ':' suite]\r
- while 0: pass\r
- while 0: pass\r
- else: pass\r
-\r
- # Issue1920: "while 0" is optimized away,\r
- # ensure that the "else" clause is still present.\r
- x = 0\r
- while 0:\r
- x = 1\r
- else:\r
- x = 2\r
- self.assertEquals(x, 2)\r
-\r
- def testFor(self):\r
- # 'for' exprlist 'in' exprlist ':' suite ['else' ':' suite]\r
- for i in 1, 2, 3: pass\r
- for i, j, k in (): pass\r
- else: pass\r
- class Squares:\r
- def __init__(self, max):\r
- self.max = max\r
- self.sofar = []\r
- def __len__(self): return len(self.sofar)\r
- def __getitem__(self, i):\r
- if not 0 <= i < self.max: raise IndexError\r
- n = len(self.sofar)\r
- while n <= i:\r
- self.sofar.append(n*n)\r
- n = n+1\r
- return self.sofar[i]\r
- n = 0\r
- for x in Squares(10): n = n+x\r
- if n != 285:\r
- self.fail('for over growing sequence')\r
-\r
- result = []\r
- for x, in [(1,), (2,), (3,)]:\r
- result.append(x)\r
- self.assertEqual(result, [1, 2, 3])\r
-\r
- def testTry(self):\r
- ### try_stmt: 'try' ':' suite (except_clause ':' suite)+ ['else' ':' suite]\r
- ### | 'try' ':' suite 'finally' ':' suite\r
- ### except_clause: 'except' [expr ['as' expr]]\r
- try:\r
- 1/0\r
- except ZeroDivisionError:\r
- pass\r
- else:\r
- pass\r
- try: 1/0\r
- except EOFError: pass\r
- except TypeError as msg: pass\r
- except RuntimeError as msg: pass\r
- except: pass\r
- else: pass\r
- try: 1/0\r
- except (EOFError, TypeError, ZeroDivisionError): pass\r
- try: 1/0\r
- except (EOFError, TypeError, ZeroDivisionError) as msg: pass\r
- try: pass\r
- finally: pass\r
-\r
- def testSuite(self):\r
- # simple_stmt | NEWLINE INDENT NEWLINE* (stmt NEWLINE*)+ DEDENT\r
- if 1: pass\r
- if 1:\r
- pass\r
- if 1:\r
- #\r
- #\r
- #\r
- pass\r
- pass\r
- #\r
- pass\r
- #\r
-\r
- def testTest(self):\r
- ### and_test ('or' and_test)*\r
- ### and_test: not_test ('and' not_test)*\r
- ### not_test: 'not' not_test | comparison\r
- if not 1: pass\r
- if 1 and 1: pass\r
- if 1 or 1: pass\r
- if not not not 1: pass\r
- if not 1 and 1 and 1: pass\r
- if 1 and 1 or 1 and 1 and 1 or not 1 and 1: pass\r
-\r
- def testComparison(self):\r
- ### comparison: expr (comp_op expr)*\r
- ### comp_op: '<'|'>'|'=='|'>='|'<='|'!='|'in'|'not' 'in'|'is'|'is' 'not'\r
- if 1: pass\r
- x = (1 == 1)\r
- if 1 == 1: pass\r
- if 1 != 1: pass\r
- if 1 < 1: pass\r
- if 1 > 1: pass\r
- if 1 <= 1: pass\r
- if 1 >= 1: pass\r
- if 1 is 1: pass\r
- if 1 is not 1: pass\r
- if 1 in (): pass\r
- if 1 not in (): pass\r
- if 1 < 1 > 1 == 1 >= 1 <= 1 != 1 in 1 not in 1 is 1 is not 1: pass\r
-\r
- def testBinaryMaskOps(self):\r
- x = 1 & 1\r
- x = 1 ^ 1\r
- x = 1 | 1\r
-\r
- def testShiftOps(self):\r
- x = 1 << 1\r
- x = 1 >> 1\r
- x = 1 << 1 >> 1\r
-\r
- def testAdditiveOps(self):\r
- x = 1\r
- x = 1 + 1\r
- x = 1 - 1 - 1\r
- x = 1 - 1 + 1 - 1 + 1\r
-\r
- def testMultiplicativeOps(self):\r
- x = 1 * 1\r
- x = 1 / 1\r
- x = 1 % 1\r
- x = 1 / 1 * 1 % 1\r
-\r
- def testUnaryOps(self):\r
- x = +1\r
- x = -1\r
- x = ~1\r
- x = ~1 ^ 1 & 1 | 1 & 1 ^ -1\r
- x = -1*1/1 + 1*1 - ---1*1\r
-\r
- def testSelectors(self):\r
- ### trailer: '(' [testlist] ')' | '[' subscript ']' | '.' NAME\r
- ### subscript: expr | [expr] ':' [expr]\r
-\r
- import sys, time\r
- c = sys.path[0]\r
- x = time.time()\r
- x = sys.modules['time'].time()\r
- a = '01234'\r
- c = a[0]\r
- c = a[-1]\r
- s = a[0:5]\r
- s = a[:5]\r
- s = a[0:]\r
- s = a[:]\r
- s = a[-5:]\r
- s = a[:-1]\r
- s = a[-4:-3]\r
- # A rough test of SF bug 1333982. http://python.org/sf/1333982\r
- # The testing here is fairly incomplete.\r
- # Test cases should include: commas with 1 and 2 colons\r
- d = {}\r
- d[1] = 1\r
- d[1,] = 2\r
- d[1,2] = 3\r
- d[1,2,3] = 4\r
- L = list(d)\r
- L.sort(key=lambda x: x if isinstance(x, tuple) else ())\r
- self.assertEquals(str(L), '[1, (1,), (1, 2), (1, 2, 3)]')\r
-\r
- def testAtoms(self):\r
- ### atom: '(' [testlist] ')' | '[' [testlist] ']' | '{' [dictsetmaker] '}' | NAME | NUMBER | STRING\r
- ### dictsetmaker: (test ':' test (',' test ':' test)* [',']) | (test (',' test)* [','])\r
-\r
- x = (1)\r
- x = (1 or 2 or 3)\r
- x = (1 or 2 or 3, 2, 3)\r
-\r
- x = []\r
- x = [1]\r
- x = [1 or 2 or 3]\r
- x = [1 or 2 or 3, 2, 3]\r
- x = []\r
-\r
- x = {}\r
- x = {'one': 1}\r
- x = {'one': 1,}\r
- x = {'one' or 'two': 1 or 2}\r
- x = {'one': 1, 'two': 2}\r
- x = {'one': 1, 'two': 2,}\r
- x = {'one': 1, 'two': 2, 'three': 3, 'four': 4, 'five': 5, 'six': 6}\r
-\r
- x = {'one'}\r
- x = {'one', 1,}\r
- x = {'one', 'two', 'three'}\r
- x = {2, 3, 4,}\r
-\r
- x = x\r
- x = 'x'\r
- x = 123\r
-\r
- ### exprlist: expr (',' expr)* [',']\r
- ### testlist: test (',' test)* [',']\r
- # These have been exercised enough above\r
-\r
- def testClassdef(self):\r
- # 'class' NAME ['(' [testlist] ')'] ':' suite\r
- class B: pass\r
- class B2(): pass\r
- class C1(B): pass\r
- class C2(B): pass\r
- class D(C1, C2, B): pass\r
- class C:\r
- def meth1(self): pass\r
- def meth2(self, arg): pass\r
- def meth3(self, a1, a2): pass\r
-\r
- # decorator: '@' dotted_name [ '(' [arglist] ')' ] NEWLINE\r
- # decorators: decorator+\r
- # decorated: decorators (classdef | funcdef)\r
- def class_decorator(x): return x\r
- @class_decorator\r
- class G: pass\r
-\r
- def testDictcomps(self):\r
- # dictorsetmaker: ( (test ':' test (comp_for |\r
- # (',' test ':' test)* [','])) |\r
- # (test (comp_for | (',' test)* [','])) )\r
- nums = [1, 2, 3]\r
- self.assertEqual({i:i+1 for i in nums}, {1: 2, 2: 3, 3: 4})\r
-\r
- def testListcomps(self):\r
- # list comprehension tests\r
- nums = [1, 2, 3, 4, 5]\r
- strs = ["Apple", "Banana", "Coconut"]\r
- spcs = [" Apple", " Banana ", "Coco nut "]\r
-\r
- self.assertEqual([s.strip() for s in spcs], ['Apple', 'Banana', 'Coco nut'])\r
- self.assertEqual([3 * x for x in nums], [3, 6, 9, 12, 15])\r
- self.assertEqual([x for x in nums if x > 2], [3, 4, 5])\r
- self.assertEqual([(i, s) for i in nums for s in strs],\r
- [(1, 'Apple'), (1, 'Banana'), (1, 'Coconut'),\r
- (2, 'Apple'), (2, 'Banana'), (2, 'Coconut'),\r
- (3, 'Apple'), (3, 'Banana'), (3, 'Coconut'),\r
- (4, 'Apple'), (4, 'Banana'), (4, 'Coconut'),\r
- (5, 'Apple'), (5, 'Banana'), (5, 'Coconut')])\r
- self.assertEqual([(i, s) for i in nums for s in [f for f in strs if "n" in f]],\r
- [(1, 'Banana'), (1, 'Coconut'), (2, 'Banana'), (2, 'Coconut'),\r
- (3, 'Banana'), (3, 'Coconut'), (4, 'Banana'), (4, 'Coconut'),\r
- (5, 'Banana'), (5, 'Coconut')])\r
- self.assertEqual([(lambda a:[a**i for i in range(a+1)])(j) for j in range(5)],\r
- [[1], [1, 1], [1, 2, 4], [1, 3, 9, 27], [1, 4, 16, 64, 256]])\r
-\r
- def test_in_func(l):\r
- return [0 < x < 3 for x in l if x > 2]\r
-\r
- self.assertEqual(test_in_func(nums), [False, False, False])\r
-\r
- def test_nested_front():\r
- self.assertEqual([[y for y in [x, x + 1]] for x in [1,3,5]],\r
- [[1, 2], [3, 4], [5, 6]])\r
-\r
- test_nested_front()\r
-\r
- check_syntax_error(self, "[i, s for i in nums for s in strs]")\r
- check_syntax_error(self, "[x if y]")\r
-\r
- suppliers = [\r
- (1, "Boeing"),\r
- (2, "Ford"),\r
- (3, "Macdonalds")\r
- ]\r
-\r
- parts = [\r
- (10, "Airliner"),\r
- (20, "Engine"),\r
- (30, "Cheeseburger")\r
- ]\r
-\r
- suppart = [\r
- (1, 10), (1, 20), (2, 20), (3, 30)\r
- ]\r
-\r
- x = [\r
- (sname, pname)\r
- for (sno, sname) in suppliers\r
- for (pno, pname) in parts\r
- for (sp_sno, sp_pno) in suppart\r
- if sno == sp_sno and pno == sp_pno\r
- ]\r
-\r
- self.assertEqual(x, [('Boeing', 'Airliner'), ('Boeing', 'Engine'), ('Ford', 'Engine'),\r
- ('Macdonalds', 'Cheeseburger')])\r
-\r
- def testGenexps(self):\r
- # generator expression tests\r
- g = ([x for x in range(10)] for x in range(1))\r
- self.assertEqual(next(g), [x for x in range(10)])\r
- try:\r
- next(g)\r
- self.fail('should produce StopIteration exception')\r
- except StopIteration:\r
- pass\r
-\r
- a = 1\r
- try:\r
- g = (a for d in a)\r
- next(g)\r
- self.fail('should produce TypeError')\r
- except TypeError:\r
- pass\r
-\r
- self.assertEqual(list((x, y) for x in 'abcd' for y in 'abcd'), [(x, y) for x in 'abcd' for y in 'abcd'])\r
- self.assertEqual(list((x, y) for x in 'ab' for y in 'xy'), [(x, y) for x in 'ab' for y in 'xy'])\r
-\r
- a = [x for x in range(10)]\r
- b = (x for x in (y for y in a))\r
- self.assertEqual(sum(b), sum([x for x in range(10)]))\r
-\r
- self.assertEqual(sum(x**2 for x in range(10)), sum([x**2 for x in range(10)]))\r
- self.assertEqual(sum(x*x for x in range(10) if x%2), sum([x*x for x in range(10) if x%2]))\r
- self.assertEqual(sum(x for x in (y for y in range(10))), sum([x for x in range(10)]))\r
- self.assertEqual(sum(x for x in (y for y in (z for z in range(10)))), sum([x for x in range(10)]))\r
- self.assertEqual(sum(x for x in [y for y in (z for z in range(10))]), sum([x for x in range(10)]))\r
- self.assertEqual(sum(x for x in (y for y in (z for z in range(10) if True)) if True), sum([x for x in range(10)]))\r
- self.assertEqual(sum(x for x in (y for y in (z for z in range(10) if True) if False) if True), 0)\r
- check_syntax_error(self, "foo(x for x in range(10), 100)")\r
- check_syntax_error(self, "foo(100, x for x in range(10))")\r
-\r
- def testComprehensionSpecials(self):\r
- # test for outmost iterable precomputation\r
- x = 10; g = (i for i in range(x)); x = 5\r
- self.assertEqual(len(list(g)), 10)\r
-\r
- # This should hold, since we're only precomputing outmost iterable.\r
- x = 10; t = False; g = ((i,j) for i in range(x) if t for j in range(x))\r
- x = 5; t = True;\r
- self.assertEqual([(i,j) for i in range(10) for j in range(5)], list(g))\r
-\r
- # Grammar allows multiple adjacent 'if's in listcomps and genexps,\r
- # even though it's silly. Make sure it works (ifelse broke this.)\r
- self.assertEqual([ x for x in range(10) if x % 2 if x % 3 ], [1, 5, 7])\r
- self.assertEqual(list(x for x in range(10) if x % 2 if x % 3), [1, 5, 7])\r
-\r
- # verify unpacking single element tuples in listcomp/genexp.\r
- self.assertEqual([x for x, in [(4,), (5,), (6,)]], [4, 5, 6])\r
- self.assertEqual(list(x for x, in [(7,), (8,), (9,)]), [7, 8, 9])\r
-\r
- def test_with_statement(self):\r
- class manager(object):\r
- def __enter__(self):\r
- return (1, 2)\r
- def __exit__(self, *args):\r
- pass\r
-\r
- with manager():\r
- pass\r
- with manager() as x:\r
- pass\r
- with manager() as (x, y):\r
- pass\r
- with manager(), manager():\r
- pass\r
- with manager() as x, manager() as y:\r
- pass\r
- with manager() as x, manager():\r
- pass\r
-\r
- def testIfElseExpr(self):\r
- # Test ifelse expressions in various cases\r
- def _checkeval(msg, ret):\r
- "helper to check that evaluation of expressions is done correctly"\r
- print(x)\r
- return ret\r
-\r
- # the next line is not allowed anymore\r
- #self.assertEqual([ x() for x in lambda: True, lambda: False if x() ], [True])\r
- self.assertEqual([ x() for x in (lambda: True, lambda: False) if x() ], [True])\r
- self.assertEqual([ x(False) for x in (lambda x: False if x else True, lambda x: True if x else False) if x(False) ], [True])\r
- self.assertEqual((5 if 1 else _checkeval("check 1", 0)), 5)\r
- self.assertEqual((_checkeval("check 2", 0) if 0 else 5), 5)\r
- self.assertEqual((5 and 6 if 0 else 1), 1)\r
- self.assertEqual(((5 and 6) if 0 else 1), 1)\r
- self.assertEqual((5 and (6 if 1 else 1)), 6)\r
- self.assertEqual((0 or _checkeval("check 3", 2) if 0 else 3), 3)\r
- self.assertEqual((1 or _checkeval("check 4", 2) if 1 else _checkeval("check 5", 3)), 1)\r
- self.assertEqual((0 or 5 if 1 else _checkeval("check 6", 3)), 5)\r
- self.assertEqual((not 5 if 1 else 1), False)\r
- self.assertEqual((not 5 if 0 else 1), 1)\r
- self.assertEqual((6 + 1 if 1 else 2), 7)\r
- self.assertEqual((6 - 1 if 1 else 2), 5)\r
- self.assertEqual((6 * 2 if 1 else 4), 12)\r
- self.assertEqual((6 / 2 if 1 else 3), 3)\r
- self.assertEqual((6 < 4 if 0 else 2), 2)\r
-\r
-\r
-def test_main():\r
- run_unittest(TokenTests, GrammarTests)\r
-\r
-if __name__ == '__main__':\r
- test_main()\r
projects / mirror_edk2.git / blobdiff