mirror of https://github.com/python/cpython
142 lines
3.5 KiB
Python
142 lines
3.5 KiB
Python
from test.test_support import verbose, TestFailed
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if verbose:
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print "Testing whether compiler catches assignment to __debug__"
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try:
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compile('__debug__ = 1', '?', 'single')
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except SyntaxError:
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pass
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import __builtin__
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prev = __builtin__.__debug__
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setattr(__builtin__, '__debug__', 'sure')
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setattr(__builtin__, '__debug__', prev)
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if verbose:
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print 'Running tests on argument handling'
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try:
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exec 'def f(a, a): pass'
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raise TestFailed, "duplicate arguments"
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except SyntaxError:
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pass
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if verbose:
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print "compiling string with syntax error"
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try:
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compile("1+*3", "filename", "exec")
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except SyntaxError, detail:
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if not detail.filename == "filename":
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raise TestFailed, "expected 'filename', got %r" % detail.filename
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try:
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exec 'def f(a = 0, a = 1): pass'
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raise TestFailed, "duplicate keyword arguments"
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except SyntaxError:
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pass
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try:
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exec 'def f(a): global a; a = 1'
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raise TestFailed, "variable is global and local"
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except SyntaxError:
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pass
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if verbose:
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print "testing complex args"
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def comp_args((a, b)):
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print a,b
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comp_args((1, 2))
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def comp_args((a, b)=(3, 4)):
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print a, b
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comp_args((1, 2))
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comp_args()
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def comp_args(a, (b, c)):
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print a, b, c
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comp_args(1, (2, 3))
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def comp_args(a=2, (b, c)=(3, 4)):
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print a, b, c
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comp_args(1, (2, 3))
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comp_args()
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try:
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exec 'def f(a=1, (b, c)): pass'
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raise TestFailed, "non-default args after default"
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except SyntaxError:
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pass
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if verbose:
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print "testing bad float literals"
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def expect_error(s):
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try:
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eval(s)
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raise TestFailed("%r accepted" % s)
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except SyntaxError:
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pass
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expect_error("2e")
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expect_error("2.0e+")
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expect_error("1e-")
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expect_error("3-4e/21")
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if verbose:
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print "testing literals with leading zeroes"
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def expect_same(test_source, expected):
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got = eval(test_source)
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if got != expected:
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raise TestFailed("eval(%r) gave %r, but expected %r" %
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(test_source, got, expected))
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expect_error("077787")
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expect_error("0xj")
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expect_error("0x.")
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expect_error("0e")
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expect_same("0777", 511)
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expect_same("0777L", 511)
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expect_same("000777", 511)
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expect_same("0xff", 255)
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expect_same("0xffL", 255)
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expect_same("0XfF", 255)
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expect_same("0777.", 777)
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expect_same("0777.0", 777)
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expect_same("000000000000000000000000000000000000000000000000000777e0", 777)
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expect_same("0777e1", 7770)
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expect_same("0e0", 0)
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expect_same("0000E-012", 0)
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expect_same("09.5", 9.5)
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expect_same("0777j", 777j)
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expect_same("00j", 0j)
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expect_same("00.0", 0)
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expect_same("0e3", 0)
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expect_same("090000000000000.", 90000000000000.)
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expect_same("090000000000000.0000000000000000000000", 90000000000000.)
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expect_same("090000000000000e0", 90000000000000.)
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expect_same("090000000000000e-0", 90000000000000.)
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expect_same("090000000000000j", 90000000000000j)
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expect_error("090000000000000") # plain octal literal w/ decimal digit
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expect_error("080000000000000") # plain octal literal w/ decimal digit
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expect_error("000000000000009") # plain octal literal w/ decimal digit
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expect_error("000000000000008") # plain octal literal w/ decimal digit
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expect_same("000000000000007", 7)
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expect_same("000000000000008.", 8.)
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expect_same("000000000000009.", 9.)
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## # Verify treatment of unary minus on negative numbers SF bug #660455
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## import warnings
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## warnings.filterwarnings("ignore", "hex/oct constants", FutureWarning)
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## # XXX Of course the following test will have to be changed in Python 2.4
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## expect_same("0xffffffff", -1)
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## expect_same("-0xffffffff", 1)
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