symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_format.py
author johnathan.white@2718R8BGH51.accenture.com
Mon, 08 Mar 2010 18:45:03 +0000
changeset 46 b6935a90ca64
parent 1 2fb8b9db1c86
permissions -rw-r--r--
Modify framebuffer and NGA framebuffer to read screen size from board model dtb file. Optimise memory usuage of frame buffer Add example minigui application with hooks to profiler (which writes results to S:\). Modified NGA framebuffer to run its own dfc queue at high priority

import sys
from test.test_support import verbose, have_unicode, TestFailed
import test.test_support as test_support
import unittest

maxsize = test_support.MAX_Py_ssize_t

# test string formatting operator (I am not sure if this is being tested
# elsewhere but, surely, some of the given cases are *not* tested because
# they crash python)
# test on unicode strings as well

overflowok = 1
overflowrequired = 0


def testformat(formatstr, args, output=None, limit=None):
    if verbose:
        if output:
            print "%s %% %s =? %s ..." %\
                (repr(formatstr), repr(args), repr(output)),
        else:
            print "%s %% %s works? ..." % (repr(formatstr), repr(args)),
    try:
        result = formatstr % args
    except OverflowError:
        if not overflowok:
            raise
        if verbose:
            print 'overflow (this is fine)'
    else:
        if overflowrequired:
            if verbose:
                print 'no'
            print "overflow expected on %s %% %s" % \
                  (repr(formatstr), repr(args))
        elif output and limit is None and result != output:
            if verbose:
                print 'no'
            print "%s %% %s == %s != %s" % \
                  (repr(formatstr), repr(args), repr(result), repr(output))
        # when 'limit' is specified, it determines how many characters
        # must match exactly; lengths must always match.
        # ex: limit=5, '12345678' matches '12345___'
        # (mainly for floating point format tests for which an exact match
        # can't be guaranteed due to rounding and representation errors)
        elif output and limit is not None and (
                len(result)!=len(output) or result[:limit]!=output[:limit]):
            if verbose:
                print 'no'
            print "%s %% %s == %s != %s" % \
                  (repr(formatstr), repr(args), repr(result), repr(output))
        else:
            if verbose:
                print 'yes'


def testboth(formatstr, *args):
    testformat(formatstr, *args)
    if have_unicode:
        testformat(unicode(formatstr), *args)


class FormatTest(unittest.TestCase):
    def test_format(self):
        testboth("%.1d", (1,), "1")
        testboth("%.*d", (sys.maxint,1))  # expect overflow
        testboth("%.100d", (1,), '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001')
        testboth("%#.117x", (1,), '0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001')
        testboth("%#.118x", (1,), '0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001')

        testboth("%f", (1.0,), "1.000000")
        # these are trying to test the limits of the internal magic-number-length
        # formatting buffer, if that number changes then these tests are less
        # effective
        testboth("%#.*g", (109, -1.e+49/3.))
        testboth("%#.*g", (110, -1.e+49/3.))
        testboth("%#.*g", (110, -1.e+100/3.))

        # test some ridiculously large precision, expect overflow
        testboth('%12.*f', (123456, 1.0))

        # check for internal overflow validation on length of precision
        overflowrequired = 1
        testboth("%#.*g", (110, -1.e+100/3.))
        testboth("%#.*G", (110, -1.e+100/3.))
        testboth("%#.*f", (110, -1.e+100/3.))
        testboth("%#.*F", (110, -1.e+100/3.))
        overflowrequired = 0

        # Formatting of long integers. Overflow is not ok
        overflowok = 0
        testboth("%x", 10L, "a")
        testboth("%x", 100000000000L, "174876e800")
        testboth("%o", 10L, "12")
        testboth("%o", 100000000000L, "1351035564000")
        testboth("%d", 10L, "10")
        testboth("%d", 100000000000L, "100000000000")

        big = 123456789012345678901234567890L
        testboth("%d", big, "123456789012345678901234567890")
        testboth("%d", -big, "-123456789012345678901234567890")
        testboth("%5d", -big, "-123456789012345678901234567890")
        testboth("%31d", -big, "-123456789012345678901234567890")
        testboth("%32d", -big, " -123456789012345678901234567890")
        testboth("%-32d", -big, "-123456789012345678901234567890 ")
        testboth("%032d", -big, "-0123456789012345678901234567890")
        testboth("%-032d", -big, "-123456789012345678901234567890 ")
        testboth("%034d", -big, "-000123456789012345678901234567890")
        testboth("%034d", big, "0000123456789012345678901234567890")
        testboth("%0+34d", big, "+000123456789012345678901234567890")
        testboth("%+34d", big, "   +123456789012345678901234567890")
        testboth("%34d", big, "    123456789012345678901234567890")
        testboth("%.2d", big, "123456789012345678901234567890")
        testboth("%.30d", big, "123456789012345678901234567890")
        testboth("%.31d", big, "0123456789012345678901234567890")
        testboth("%32.31d", big, " 0123456789012345678901234567890")
        testboth("%d", float(big), "123456________________________", 6)

        big = 0x1234567890abcdef12345L  # 21 hex digits
        testboth("%x", big, "1234567890abcdef12345")
        testboth("%x", -big, "-1234567890abcdef12345")
        testboth("%5x", -big, "-1234567890abcdef12345")
        testboth("%22x", -big, "-1234567890abcdef12345")
        testboth("%23x", -big, " -1234567890abcdef12345")
        testboth("%-23x", -big, "-1234567890abcdef12345 ")
        testboth("%023x", -big, "-01234567890abcdef12345")
        testboth("%-023x", -big, "-1234567890abcdef12345 ")
        testboth("%025x", -big, "-0001234567890abcdef12345")
        testboth("%025x", big, "00001234567890abcdef12345")
        testboth("%0+25x", big, "+0001234567890abcdef12345")
        testboth("%+25x", big, "   +1234567890abcdef12345")
        testboth("%25x", big, "    1234567890abcdef12345")
        testboth("%.2x", big, "1234567890abcdef12345")
        testboth("%.21x", big, "1234567890abcdef12345")
        testboth("%.22x", big, "01234567890abcdef12345")
        testboth("%23.22x", big, " 01234567890abcdef12345")
        testboth("%-23.22x", big, "01234567890abcdef12345 ")
        testboth("%X", big, "1234567890ABCDEF12345")
        testboth("%#X", big, "0X1234567890ABCDEF12345")
        testboth("%#x", big, "0x1234567890abcdef12345")
        testboth("%#x", -big, "-0x1234567890abcdef12345")
        testboth("%#.23x", -big, "-0x001234567890abcdef12345")
        testboth("%#+.23x", big, "+0x001234567890abcdef12345")
        testboth("%# .23x", big, " 0x001234567890abcdef12345")
        testboth("%#+.23X", big, "+0X001234567890ABCDEF12345")
        testboth("%#-+.23X", big, "+0X001234567890ABCDEF12345")
        testboth("%#-+26.23X", big, "+0X001234567890ABCDEF12345")
        testboth("%#-+27.23X", big, "+0X001234567890ABCDEF12345 ")
        testboth("%#+27.23X", big, " +0X001234567890ABCDEF12345")
        # next one gets two leading zeroes from precision, and another from the
        # 0 flag and the width
        testboth("%#+027.23X", big, "+0X0001234567890ABCDEF12345")
        # same, except no 0 flag
        testboth("%#+27.23X", big, " +0X001234567890ABCDEF12345")
        testboth("%x", float(big), "123456_______________", 6)

        big = 012345670123456701234567012345670L  # 32 octal digits
        testboth("%o", big, "12345670123456701234567012345670")
        testboth("%o", -big, "-12345670123456701234567012345670")
        testboth("%5o", -big, "-12345670123456701234567012345670")
        testboth("%33o", -big, "-12345670123456701234567012345670")
        testboth("%34o", -big, " -12345670123456701234567012345670")
        testboth("%-34o", -big, "-12345670123456701234567012345670 ")
        testboth("%034o", -big, "-012345670123456701234567012345670")
        testboth("%-034o", -big, "-12345670123456701234567012345670 ")
        testboth("%036o", -big, "-00012345670123456701234567012345670")
        testboth("%036o", big, "000012345670123456701234567012345670")
        testboth("%0+36o", big, "+00012345670123456701234567012345670")
        testboth("%+36o", big, "   +12345670123456701234567012345670")
        testboth("%36o", big, "    12345670123456701234567012345670")
        testboth("%.2o", big, "12345670123456701234567012345670")
        testboth("%.32o", big, "12345670123456701234567012345670")
        testboth("%.33o", big, "012345670123456701234567012345670")
        testboth("%34.33o", big, " 012345670123456701234567012345670")
        testboth("%-34.33o", big, "012345670123456701234567012345670 ")
        testboth("%o", big, "12345670123456701234567012345670")
        testboth("%#o", big, "012345670123456701234567012345670")
        testboth("%#o", -big, "-012345670123456701234567012345670")
        testboth("%#.34o", -big, "-0012345670123456701234567012345670")
        testboth("%#+.34o", big, "+0012345670123456701234567012345670")
        testboth("%# .34o", big, " 0012345670123456701234567012345670")
        testboth("%#+.34o", big, "+0012345670123456701234567012345670")
        testboth("%#-+.34o", big, "+0012345670123456701234567012345670")
        testboth("%#-+37.34o", big, "+0012345670123456701234567012345670  ")
        testboth("%#+37.34o", big, "  +0012345670123456701234567012345670")
        # next one gets one leading zero from precision
        testboth("%.33o", big, "012345670123456701234567012345670")
        # base marker shouldn't change that, since "0" is redundant
        testboth("%#.33o", big, "012345670123456701234567012345670")
        # but reduce precision, and base marker should add a zero
        testboth("%#.32o", big, "012345670123456701234567012345670")
        # one leading zero from precision, and another from "0" flag & width
        testboth("%034.33o", big, "0012345670123456701234567012345670")
        # base marker shouldn't change that
        testboth("%0#34.33o", big, "0012345670123456701234567012345670")
        testboth("%o", float(big), "123456__________________________", 6)

        # Some small ints, in both Python int and long flavors).
        testboth("%d", 42, "42")
        testboth("%d", -42, "-42")
        testboth("%d", 42L, "42")
        testboth("%d", -42L, "-42")
        testboth("%d", 42.0, "42")
        testboth("%#x", 1, "0x1")
        testboth("%#x", 1L, "0x1")
        testboth("%#X", 1, "0X1")
        testboth("%#X", 1L, "0X1")
        testboth("%#x", 1.0, "0x1")
        testboth("%#o", 1, "01")
        testboth("%#o", 1L, "01")
        testboth("%#o", 0, "0")
        testboth("%#o", 0L, "0")
        testboth("%o", 0, "0")
        testboth("%o", 0L, "0")
        testboth("%d", 0, "0")
        testboth("%d", 0L, "0")
        testboth("%#x", 0, "0x0")
        testboth("%#x", 0L, "0x0")
        testboth("%#X", 0, "0X0")
        testboth("%#X", 0L, "0X0")

        testboth("%x", 0x42, "42")
        testboth("%x", -0x42, "-42")
        testboth("%x", 0x42L, "42")
        testboth("%x", -0x42L, "-42")
        testboth("%x", float(0x42), "42")

        testboth("%o", 042, "42")
        testboth("%o", -042, "-42")
        testboth("%o", 042L, "42")
        testboth("%o", -042L, "-42")
        testboth("%o", float(042), "42")

        # Test exception for unknown format characters
        if verbose:
            print 'Testing exceptions'

        def test_exc(formatstr, args, exception, excmsg):
            try:
                testformat(formatstr, args)
            except exception, exc:
                if str(exc) == excmsg:
                    if verbose:
                        print "yes"
                else:
                    if verbose: print 'no'
                    print 'Unexpected ', exception, ':', repr(str(exc))
            except:
                if verbose: print 'no'
                print 'Unexpected exception'
                raise
            else:
                raise TestFailed, 'did not get expected exception: %s' % excmsg

        test_exc('abc %a', 1, ValueError,
                 "unsupported format character 'a' (0x61) at index 5")
        if have_unicode:
            test_exc(unicode('abc %\u3000','raw-unicode-escape'), 1, ValueError,
                     "unsupported format character '?' (0x3000) at index 5")

        test_exc('%d', '1', TypeError, "%d format: a number is required, not str")
        test_exc('%g', '1', TypeError, "float argument required, not str")
        test_exc('no format', '1', TypeError,
                 "not all arguments converted during string formatting")
        test_exc('no format', u'1', TypeError,
                 "not all arguments converted during string formatting")
        test_exc(u'no format', '1', TypeError,
                 "not all arguments converted during string formatting")
        test_exc(u'no format', u'1', TypeError,
                 "not all arguments converted during string formatting")

        class Foobar(long):
            def __oct__(self):
                # Returning a non-string should not blow up.
                return self + 1

        test_exc('%o', Foobar(), TypeError,
                 "expected string or Unicode object, long found")

        if maxsize == 2**31-1:
            # crashes 2.2.1 and earlier:
            try:
                "%*d"%(maxsize, -127)
            except MemoryError:
                pass
            else:
                raise TestFailed, '"%*d"%(maxsize, -127) should fail'

def test_main():
    test_support.run_unittest(FormatTest)


if __name__ == "__main__":
    unittest.main()