diff options
Diffstat (limited to 'lib/python2.7/test/test_types.py')
| -rw-r--r-- | lib/python2.7/test/test_types.py | 756 |
1 files changed, 756 insertions, 0 deletions
diff --git a/lib/python2.7/test/test_types.py b/lib/python2.7/test/test_types.py new file mode 100644 index 0000000..60f6d2f --- /dev/null +++ b/lib/python2.7/test/test_types.py @@ -0,0 +1,756 @@ +# Python test set -- part 6, built-in types + +from test.test_support import run_unittest, have_unicode, run_with_locale, \ + check_py3k_warnings +import unittest +import sys +import locale + +class TypesTests(unittest.TestCase): + + def test_truth_values(self): + if None: self.fail('None is true instead of false') + if 0: self.fail('0 is true instead of false') + if 0L: self.fail('0L is true instead of false') + if 0.0: self.fail('0.0 is true instead of false') + if '': self.fail('\'\' is true instead of false') + if not 1: self.fail('1 is false instead of true') + if not 1L: self.fail('1L is false instead of true') + if not 1.0: self.fail('1.0 is false instead of true') + if not 'x': self.fail('\'x\' is false instead of true') + if not {'x': 1}: self.fail('{\'x\': 1} is false instead of true') + def f(): pass + class C: pass + x = C() + if not f: self.fail('f is false instead of true') + if not C: self.fail('C is false instead of true') + if not sys: self.fail('sys is false instead of true') + if not x: self.fail('x is false instead of true') + + def test_boolean_ops(self): + if 0 or 0: self.fail('0 or 0 is true instead of false') + if 1 and 1: pass + else: self.fail('1 and 1 is false instead of true') + if not 1: self.fail('not 1 is true instead of false') + + def test_comparisons(self): + if 0 < 1 <= 1 == 1 >= 1 > 0 != 1: pass + else: self.fail('int comparisons failed') + if 0L < 1L <= 1L == 1L >= 1L > 0L != 1L: pass + else: self.fail('long int comparisons failed') + if 0.0 < 1.0 <= 1.0 == 1.0 >= 1.0 > 0.0 != 1.0: pass + else: self.fail('float comparisons failed') + if '' < 'a' <= 'a' == 'a' < 'abc' < 'abd' < 'b': pass + else: self.fail('string comparisons failed') + if None is None: pass + else: self.fail('identity test failed') + + def test_float_constructor(self): + self.assertRaises(ValueError, float, '') + self.assertRaises(ValueError, float, '5\0') + + def test_zero_division(self): + try: 5.0 / 0.0 + except ZeroDivisionError: pass + else: self.fail("5.0 / 0.0 didn't raise ZeroDivisionError") + + try: 5.0 // 0.0 + except ZeroDivisionError: pass + else: self.fail("5.0 // 0.0 didn't raise ZeroDivisionError") + + try: 5.0 % 0.0 + except ZeroDivisionError: pass + else: self.fail("5.0 % 0.0 didn't raise ZeroDivisionError") + + try: 5 / 0L + except ZeroDivisionError: pass + else: self.fail("5 / 0L didn't raise ZeroDivisionError") + + try: 5 // 0L + except ZeroDivisionError: pass + else: self.fail("5 // 0L didn't raise ZeroDivisionError") + + try: 5 % 0L + except ZeroDivisionError: pass + else: self.fail("5 % 0L didn't raise ZeroDivisionError") + + def test_numeric_types(self): + if 0 != 0L or 0 != 0.0 or 0L != 0.0: self.fail('mixed comparisons') + if 1 != 1L or 1 != 1.0 or 1L != 1.0: self.fail('mixed comparisons') + if -1 != -1L or -1 != -1.0 or -1L != -1.0: + self.fail('int/long/float value not equal') + # calling built-in types without argument must return 0 + if int() != 0: self.fail('int() does not return 0') + if long() != 0L: self.fail('long() does not return 0L') + if float() != 0.0: self.fail('float() does not return 0.0') + if int(1.9) == 1 == int(1.1) and int(-1.1) == -1 == int(-1.9): pass + else: self.fail('int() does not round properly') + if long(1.9) == 1L == long(1.1) and long(-1.1) == -1L == long(-1.9): pass + else: self.fail('long() does not round properly') + if float(1) == 1.0 and float(-1) == -1.0 and float(0) == 0.0: pass + else: self.fail('float() does not work properly') + + def test_float_to_string(self): + def test(f, result): + self.assertEqual(f.__format__('e'), result) + self.assertEqual('%e' % f, result) + + # test all 2 digit exponents, both with __format__ and with + # '%' formatting + for i in range(-99, 100): + test(float('1.5e'+str(i)), '1.500000e{0:+03d}'.format(i)) + + # test some 3 digit exponents + self.assertEqual(1.5e100.__format__('e'), '1.500000e+100') + self.assertEqual('%e' % 1.5e100, '1.500000e+100') + + self.assertEqual(1.5e101.__format__('e'), '1.500000e+101') + self.assertEqual('%e' % 1.5e101, '1.500000e+101') + + self.assertEqual(1.5e-100.__format__('e'), '1.500000e-100') + self.assertEqual('%e' % 1.5e-100, '1.500000e-100') + + self.assertEqual(1.5e-101.__format__('e'), '1.500000e-101') + self.assertEqual('%e' % 1.5e-101, '1.500000e-101') + + self.assertEqual('%g' % 1.0, '1') + self.assertEqual('%#g' % 1.0, '1.00000') + + def test_normal_integers(self): + # Ensure the first 256 integers are shared + a = 256 + b = 128*2 + if a is not b: self.fail('256 is not shared') + if 12 + 24 != 36: self.fail('int op') + if 12 + (-24) != -12: self.fail('int op') + if (-12) + 24 != 12: self.fail('int op') + if (-12) + (-24) != -36: self.fail('int op') + if not 12 < 24: self.fail('int op') + if not -24 < -12: self.fail('int op') + # Test for a particular bug in integer multiply + xsize, ysize, zsize = 238, 356, 4 + if not (xsize*ysize*zsize == zsize*xsize*ysize == 338912): + self.fail('int mul commutativity') + # And another. + m = -sys.maxint - 1 + for divisor in 1, 2, 4, 8, 16, 32: + j = m // divisor + prod = divisor * j + if prod != m: + self.fail("%r * %r == %r != %r" % (divisor, j, prod, m)) + if type(prod) is not int: + self.fail("expected type(prod) to be int, not %r" % + type(prod)) + # Check for expected * overflow to long. + for divisor in 1, 2, 4, 8, 16, 32: + j = m // divisor - 1 + prod = divisor * j + if type(prod) is not long: + self.fail("expected type(%r) to be long, not %r" % + (prod, type(prod))) + # Check for expected * overflow to long. + m = sys.maxint + for divisor in 1, 2, 4, 8, 16, 32: + j = m // divisor + 1 + prod = divisor * j + if type(prod) is not long: + self.fail("expected type(%r) to be long, not %r" % + (prod, type(prod))) + + def test_long_integers(self): + if 12L + 24L != 36L: self.fail('long op') + if 12L + (-24L) != -12L: self.fail('long op') + if (-12L) + 24L != 12L: self.fail('long op') + if (-12L) + (-24L) != -36L: self.fail('long op') + if not 12L < 24L: self.fail('long op') + if not -24L < -12L: self.fail('long op') + x = sys.maxint + if int(long(x)) != x: self.fail('long op') + try: y = int(long(x)+1L) + except OverflowError: self.fail('long op') + if not isinstance(y, long): self.fail('long op') + x = -x + if int(long(x)) != x: self.fail('long op') + x = x-1 + if int(long(x)) != x: self.fail('long op') + try: y = int(long(x)-1L) + except OverflowError: self.fail('long op') + if not isinstance(y, long): self.fail('long op') + + try: 5 << -5 + except ValueError: pass + else: self.fail('int negative shift <<') + + try: 5L << -5L + except ValueError: pass + else: self.fail('long negative shift <<') + + try: 5 >> -5 + except ValueError: pass + else: self.fail('int negative shift >>') + + try: 5L >> -5L + except ValueError: pass + else: self.fail('long negative shift >>') + + def test_floats(self): + if 12.0 + 24.0 != 36.0: self.fail('float op') + if 12.0 + (-24.0) != -12.0: self.fail('float op') + if (-12.0) + 24.0 != 12.0: self.fail('float op') + if (-12.0) + (-24.0) != -36.0: self.fail('float op') + if not 12.0 < 24.0: self.fail('float op') + if not -24.0 < -12.0: self.fail('float op') + + def test_strings(self): + if len('') != 0: self.fail('len(\'\')') + if len('a') != 1: self.fail('len(\'a\')') + if len('abcdef') != 6: self.fail('len(\'abcdef\')') + if 'xyz' + 'abcde' != 'xyzabcde': self.fail('string concatenation') + if 'xyz'*3 != 'xyzxyzxyz': self.fail('string repetition *3') + if 0*'abcde' != '': self.fail('string repetition 0*') + if min('abc') != 'a' or max('abc') != 'c': self.fail('min/max string') + if 'a' in 'abc' and 'b' in 'abc' and 'c' in 'abc' and 'd' not in 'abc': pass + else: self.fail('in/not in string') + x = 'x'*103 + if '%s!'%x != x+'!': self.fail('nasty string formatting bug') + + #extended slices for strings + a = '0123456789' + self.assertEqual(a[::], a) + self.assertEqual(a[::2], '02468') + self.assertEqual(a[1::2], '13579') + self.assertEqual(a[::-1],'9876543210') + self.assertEqual(a[::-2], '97531') + self.assertEqual(a[3::-2], '31') + self.assertEqual(a[-100:100:], a) + self.assertEqual(a[100:-100:-1], a[::-1]) + self.assertEqual(a[-100L:100L:2L], '02468') + + if have_unicode: + a = unicode('0123456789', 'ascii') + self.assertEqual(a[::], a) + self.assertEqual(a[::2], unicode('02468', 'ascii')) + self.assertEqual(a[1::2], unicode('13579', 'ascii')) + self.assertEqual(a[::-1], unicode('9876543210', 'ascii')) + self.assertEqual(a[::-2], unicode('97531', 'ascii')) + self.assertEqual(a[3::-2], unicode('31', 'ascii')) + self.assertEqual(a[-100:100:], a) + self.assertEqual(a[100:-100:-1], a[::-1]) + self.assertEqual(a[-100L:100L:2L], unicode('02468', 'ascii')) + + + def test_type_function(self): + self.assertRaises(TypeError, type, 1, 2) + self.assertRaises(TypeError, type, 1, 2, 3, 4) + + def test_buffers(self): + self.assertRaises(ValueError, buffer, 'asdf', -1) + cmp(buffer("abc"), buffer("def")) # used to raise a warning: tp_compare didn't return -1, 0, or 1 + + self.assertRaises(TypeError, buffer, None) + + a = buffer('asdf') + hash(a) + b = a * 5 + if a == b: + self.fail('buffers should not be equal') + if str(b) != ('asdf' * 5): + self.fail('repeated buffer has wrong content') + if str(a * 0) != '': + self.fail('repeated buffer zero times has wrong content') + if str(a + buffer('def')) != 'asdfdef': + self.fail('concatenation of buffers yields wrong content') + if str(buffer(a)) != 'asdf': + self.fail('composing buffers failed') + if str(buffer(a, 2)) != 'df': + self.fail('specifying buffer offset failed') + if str(buffer(a, 0, 2)) != 'as': + self.fail('specifying buffer size failed') + if str(buffer(a, 1, 2)) != 'sd': + self.fail('specifying buffer offset and size failed') + self.assertRaises(ValueError, buffer, buffer('asdf', 1), -1) + if str(buffer(buffer('asdf', 0, 2), 0)) != 'as': + self.fail('composing length-specified buffer failed') + if str(buffer(buffer('asdf', 0, 2), 0, 5000)) != 'as': + self.fail('composing length-specified buffer failed') + if str(buffer(buffer('asdf', 0, 2), 0, -1)) != 'as': + self.fail('composing length-specified buffer failed') + if str(buffer(buffer('asdf', 0, 2), 1, 2)) != 's': + self.fail('composing length-specified buffer failed') + + try: a[1] = 'g' + except TypeError: pass + else: self.fail("buffer assignment should raise TypeError") + + try: a[0:1] = 'g' + except TypeError: pass + else: self.fail("buffer slice assignment should raise TypeError") + + # array.array() returns an object that does not implement a char buffer, + # something which int() uses for conversion. + import array + try: int(buffer(array.array('c'))) + except TypeError: pass + else: self.fail("char buffer (at C level) not working") + + def test_int__format__(self): + def test(i, format_spec, result): + # just make sure I'm not accidentally checking longs + assert type(i) == int + assert type(format_spec) == str + self.assertEqual(i.__format__(format_spec), result) + self.assertEqual(i.__format__(unicode(format_spec)), result) + + test(123456789, 'd', '123456789') + test(123456789, 'd', '123456789') + + test(1, 'c', '\01') + + # sign and aligning are interdependent + test(1, "-", '1') + test(-1, "-", '-1') + test(1, "-3", ' 1') + test(-1, "-3", ' -1') + test(1, "+3", ' +1') + test(-1, "+3", ' -1') + test(1, " 3", ' 1') + test(-1, " 3", ' -1') + test(1, " ", ' 1') + test(-1, " ", '-1') + + # hex + test(3, "x", "3") + test(3, "X", "3") + test(1234, "x", "4d2") + test(-1234, "x", "-4d2") + test(1234, "8x", " 4d2") + test(-1234, "8x", " -4d2") + test(1234, "x", "4d2") + test(-1234, "x", "-4d2") + test(-3, "x", "-3") + test(-3, "X", "-3") + test(int('be', 16), "x", "be") + test(int('be', 16), "X", "BE") + test(-int('be', 16), "x", "-be") + test(-int('be', 16), "X", "-BE") + + # octal + test(3, "o", "3") + test(-3, "o", "-3") + test(65, "o", "101") + test(-65, "o", "-101") + test(1234, "o", "2322") + test(-1234, "o", "-2322") + test(1234, "-o", "2322") + test(-1234, "-o", "-2322") + test(1234, " o", " 2322") + test(-1234, " o", "-2322") + test(1234, "+o", "+2322") + test(-1234, "+o", "-2322") + + # binary + test(3, "b", "11") + test(-3, "b", "-11") + test(1234, "b", "10011010010") + test(-1234, "b", "-10011010010") + test(1234, "-b", "10011010010") + test(-1234, "-b", "-10011010010") + test(1234, " b", " 10011010010") + test(-1234, " b", "-10011010010") + test(1234, "+b", "+10011010010") + test(-1234, "+b", "-10011010010") + + # alternate (#) formatting + test(0, "#b", '0b0') + test(0, "-#b", '0b0') + test(1, "-#b", '0b1') + test(-1, "-#b", '-0b1') + test(-1, "-#5b", ' -0b1') + test(1, "+#5b", ' +0b1') + test(100, "+#b", '+0b1100100') + test(100, "#012b", '0b0001100100') + test(-100, "#012b", '-0b001100100') + + test(0, "#o", '0o0') + test(0, "-#o", '0o0') + test(1, "-#o", '0o1') + test(-1, "-#o", '-0o1') + test(-1, "-#5o", ' -0o1') + test(1, "+#5o", ' +0o1') + test(100, "+#o", '+0o144') + test(100, "#012o", '0o0000000144') + test(-100, "#012o", '-0o000000144') + + test(0, "#x", '0x0') + test(0, "-#x", '0x0') + test(1, "-#x", '0x1') + test(-1, "-#x", '-0x1') + test(-1, "-#5x", ' -0x1') + test(1, "+#5x", ' +0x1') + test(100, "+#x", '+0x64') + test(100, "#012x", '0x0000000064') + test(-100, "#012x", '-0x000000064') + test(123456, "#012x", '0x000001e240') + test(-123456, "#012x", '-0x00001e240') + + test(0, "#X", '0X0') + test(0, "-#X", '0X0') + test(1, "-#X", '0X1') + test(-1, "-#X", '-0X1') + test(-1, "-#5X", ' -0X1') + test(1, "+#5X", ' +0X1') + test(100, "+#X", '+0X64') + test(100, "#012X", '0X0000000064') + test(-100, "#012X", '-0X000000064') + test(123456, "#012X", '0X000001E240') + test(-123456, "#012X", '-0X00001E240') + + # issue 5782, commas with no specifier type + test(1234, '010,', '00,001,234') + + # make sure these are errors + + # precision disallowed + self.assertRaises(ValueError, 3 .__format__, "1.3") + # sign not allowed with 'c' + self.assertRaises(ValueError, 3 .__format__, "+c") + # format spec must be string + self.assertRaises(TypeError, 3 .__format__, None) + self.assertRaises(TypeError, 3 .__format__, 0) + + # can't have ',' with 'c' + self.assertRaises(ValueError, 3 .__format__, ",c") + + # ensure that only int and float type specifiers work + for format_spec in ([chr(x) for x in range(ord('a'), ord('z')+1)] + + [chr(x) for x in range(ord('A'), ord('Z')+1)]): + if not format_spec in 'bcdoxXeEfFgGn%': + self.assertRaises(ValueError, 0 .__format__, format_spec) + self.assertRaises(ValueError, 1 .__format__, format_spec) + self.assertRaises(ValueError, (-1) .__format__, format_spec) + + # ensure that float type specifiers work; format converts + # the int to a float + for format_spec in 'eEfFgG%': + for value in [0, 1, -1, 100, -100, 1234567890, -1234567890]: + self.assertEqual(value.__format__(format_spec), + float(value).__format__(format_spec)) + + # Issue 6902 + test(123456, "0<20", '12345600000000000000') + test(123456, "1<20", '12345611111111111111') + test(123456, "*<20", '123456**************') + test(123456, "0>20", '00000000000000123456') + test(123456, "1>20", '11111111111111123456') + test(123456, "*>20", '**************123456') + test(123456, "0=20", '00000000000000123456') + test(123456, "1=20", '11111111111111123456') + test(123456, "*=20", '**************123456') + + def test_long__format__(self): + def test(i, format_spec, result): + # make sure we're not accidentally checking ints + assert type(i) == long + assert type(format_spec) == str + self.assertEqual(i.__format__(format_spec), result) + self.assertEqual(i.__format__(unicode(format_spec)), result) + + test(10**100, 'd', '1' + '0' * 100) + test(10**100+100, 'd', '1' + '0' * 97 + '100') + + test(123456789L, 'd', '123456789') + test(123456789L, 'd', '123456789') + + # sign and aligning are interdependent + test(1L, "-", '1') + test(-1L, "-", '-1') + test(1L, "-3", ' 1') + test(-1L, "-3", ' -1') + test(1L, "+3", ' +1') + test(-1L, "+3", ' -1') + test(1L, " 3", ' 1') + test(-1L, " 3", ' -1') + test(1L, " ", ' 1') + test(-1L, " ", '-1') + + test(1L, 'c', '\01') + + # hex + test(3L, "x", "3") + test(3L, "X", "3") + test(1234L, "x", "4d2") + test(-1234L, "x", "-4d2") + test(1234L, "8x", " 4d2") + test(-1234L, "8x", " -4d2") + test(1234L, "x", "4d2") + test(-1234L, "x", "-4d2") + test(-3L, "x", "-3") + test(-3L, "X", "-3") + test(long('be', 16), "x", "be") + test(long('be', 16), "X", "BE") + test(-long('be', 16), "x", "-be") + test(-long('be', 16), "X", "-BE") + + # octal + test(3L, "o", "3") + test(-3L, "o", "-3") + test(65L, "o", "101") + test(-65L, "o", "-101") + test(1234L, "o", "2322") + test(-1234L, "o", "-2322") + test(1234L, "-o", "2322") + test(-1234L, "-o", "-2322") + test(1234L, " o", " 2322") + test(-1234L, " o", "-2322") + test(1234L, "+o", "+2322") + test(-1234L, "+o", "-2322") + + # binary + test(3L, "b", "11") + test(-3L, "b", "-11") + test(1234L, "b", "10011010010") + test(-1234L, "b", "-10011010010") + test(1234L, "-b", "10011010010") + test(-1234L, "-b", "-10011010010") + test(1234L, " b", " 10011010010") + test(-1234L, " b", "-10011010010") + test(1234L, "+b", "+10011010010") + test(-1234L, "+b", "-10011010010") + + # make sure these are errors + + # precision disallowed + self.assertRaises(ValueError, 3L .__format__, "1.3") + # sign not allowed with 'c' + self.assertRaises(ValueError, 3L .__format__, "+c") + # format spec must be string + self.assertRaises(TypeError, 3L .__format__, None) + self.assertRaises(TypeError, 3L .__format__, 0) + # alternate specifier in wrong place + self.assertRaises(ValueError, 1L .__format__, "#+5x") + self.assertRaises(ValueError, 1L .__format__, "+5#x") + + # ensure that only int and float type specifiers work + for format_spec in ([chr(x) for x in range(ord('a'), ord('z')+1)] + + [chr(x) for x in range(ord('A'), ord('Z')+1)]): + if not format_spec in 'bcdoxXeEfFgGn%': + self.assertRaises(ValueError, 0L .__format__, format_spec) + self.assertRaises(ValueError, 1L .__format__, format_spec) + self.assertRaises(ValueError, (-1L) .__format__, format_spec) + + # ensure that float type specifiers work; format converts + # the long to a float + for format_spec in 'eEfFgG%': + for value in [0L, 1L, -1L, 100L, -100L, 1234567890L, -1234567890L]: + self.assertEqual(value.__format__(format_spec), + float(value).__format__(format_spec)) + # Issue 6902 + test(123456L, "0<20", '12345600000000000000') + test(123456L, "1<20", '12345611111111111111') + test(123456L, "*<20", '123456**************') + test(123456L, "0>20", '00000000000000123456') + test(123456L, "1>20", '11111111111111123456') + test(123456L, "*>20", '**************123456') + test(123456L, "0=20", '00000000000000123456') + test(123456L, "1=20", '11111111111111123456') + test(123456L, "*=20", '**************123456') + + @run_with_locale('LC_NUMERIC', 'en_US.UTF8') + def test_float__format__locale(self): + # test locale support for __format__ code 'n' + + for i in range(-10, 10): + x = 1234567890.0 * (10.0 ** i) + self.assertEqual(locale.format('%g', x, grouping=True), format(x, 'n')) + self.assertEqual(locale.format('%.10g', x, grouping=True), format(x, '.10n')) + + @run_with_locale('LC_NUMERIC', 'en_US.UTF8') + def test_int__format__locale(self): + # test locale support for __format__ code 'n' for integers + + x = 123456789012345678901234567890 + for i in range(0, 30): + self.assertEqual(locale.format('%d', x, grouping=True), format(x, 'n')) + + # move to the next integer to test + x = x // 10 + + rfmt = ">20n" + lfmt = "<20n" + cfmt = "^20n" + for x in (1234, 12345, 123456, 1234567, 12345678, 123456789, 1234567890, 12345678900): + self.assertEqual(len(format(0, rfmt)), len(format(x, rfmt))) + self.assertEqual(len(format(0, lfmt)), len(format(x, lfmt))) + self.assertEqual(len(format(0, cfmt)), len(format(x, cfmt))) + + def test_float__format__(self): + # these should be rewritten to use both format(x, spec) and + # x.__format__(spec) + + def test(f, format_spec, result): + assert type(f) == float + assert type(format_spec) == str + self.assertEqual(f.__format__(format_spec), result) + self.assertEqual(f.__format__(unicode(format_spec)), result) + + test(0.0, 'f', '0.000000') + + # the default is 'g', except for empty format spec + test(0.0, '', '0.0') + test(0.01, '', '0.01') + test(0.01, 'g', '0.01') + + # test for issue 3411 + test(1.23, '1', '1.23') + test(-1.23, '1', '-1.23') + test(1.23, '1g', '1.23') + test(-1.23, '1g', '-1.23') + + test( 1.0, ' g', ' 1') + test(-1.0, ' g', '-1') + test( 1.0, '+g', '+1') + test(-1.0, '+g', '-1') + test(1.1234e200, 'g', '1.1234e+200') + test(1.1234e200, 'G', '1.1234E+200') + + + test(1.0, 'f', '1.000000') + + test(-1.0, 'f', '-1.000000') + + test( 1.0, ' f', ' 1.000000') + test(-1.0, ' f', '-1.000000') + test( 1.0, '+f', '+1.000000') + test(-1.0, '+f', '-1.000000') + + # Python versions <= 2.6 switched from 'f' to 'g' formatting for + # values larger than 1e50. No longer. + f = 1.1234e90 + for fmt in 'f', 'F': + # don't do a direct equality check, since on some + # platforms only the first few digits of dtoa + # will be reliable + result = f.__format__(fmt) + self.assertEqual(len(result), 98) + self.assertEqual(result[-7], '.') + self.assertIn(result[:12], ('112340000000', '112339999999')) + f = 1.1234e200 + for fmt in 'f', 'F': + result = f.__format__(fmt) + self.assertEqual(len(result), 208) + self.assertEqual(result[-7], '.') + self.assertIn(result[:12], ('112340000000', '112339999999')) + + + test( 1.0, 'e', '1.000000e+00') + test(-1.0, 'e', '-1.000000e+00') + test( 1.0, 'E', '1.000000E+00') + test(-1.0, 'E', '-1.000000E+00') + test(1.1234e20, 'e', '1.123400e+20') + test(1.1234e20, 'E', '1.123400E+20') + + # No format code means use g, but must have a decimal + # and a number after the decimal. This is tricky, because + # a totaly empty format specifier means something else. + # So, just use a sign flag + test(1e200, '+g', '+1e+200') + test(1e200, '+', '+1e+200') + test(1.1e200, '+g', '+1.1e+200') + test(1.1e200, '+', '+1.1e+200') + + test(1.1e200, '+g', '+1.1e+200') + test(1.1e200, '+', '+1.1e+200') + + # 0 padding + test(1234., '010f', '1234.000000') + test(1234., '011f', '1234.000000') + test(1234., '012f', '01234.000000') + test(-1234., '011f', '-1234.000000') + test(-1234., '012f', '-1234.000000') + test(-1234., '013f', '-01234.000000') + test(-1234.12341234, '013f', '-01234.123412') + test(-123456.12341234, '011.2f', '-0123456.12') + + # issue 5782, commas with no specifier type + test(1.2, '010,.2', '0,000,001.2') + + # 0 padding with commas + test(1234., '011,f', '1,234.000000') + test(1234., '012,f', '1,234.000000') + test(1234., '013,f', '01,234.000000') + test(-1234., '012,f', '-1,234.000000') + test(-1234., '013,f', '-1,234.000000') + test(-1234., '014,f', '-01,234.000000') + test(-12345., '015,f', '-012,345.000000') + test(-123456., '016,f', '-0,123,456.000000') + test(-123456., '017,f', '-0,123,456.000000') + test(-123456.12341234, '017,f', '-0,123,456.123412') + test(-123456.12341234, '013,.2f', '-0,123,456.12') + + # % formatting + test(-1.0, '%', '-100.000000%') + + # format spec must be string + self.assertRaises(TypeError, 3.0.__format__, None) + self.assertRaises(TypeError, 3.0.__format__, 0) + + # other format specifiers shouldn't work on floats, + # in particular int specifiers + for format_spec in ([chr(x) for x in range(ord('a'), ord('z')+1)] + + [chr(x) for x in range(ord('A'), ord('Z')+1)]): + if not format_spec in 'eEfFgGn%': + self.assertRaises(ValueError, format, 0.0, format_spec) + self.assertRaises(ValueError, format, 1.0, format_spec) + self.assertRaises(ValueError, format, -1.0, format_spec) + self.assertRaises(ValueError, format, 1e100, format_spec) + self.assertRaises(ValueError, format, -1e100, format_spec) + self.assertRaises(ValueError, format, 1e-100, format_spec) + self.assertRaises(ValueError, format, -1e-100, format_spec) + + # Alternate formatting is not supported + self.assertRaises(ValueError, format, 0.0, '#') + self.assertRaises(ValueError, format, 0.0, '#20f') + + # Issue 6902 + test(12345.6, "0<20", '12345.60000000000000') + test(12345.6, "1<20", '12345.61111111111111') + test(12345.6, "*<20", '12345.6*************') + test(12345.6, "0>20", '000000000000012345.6') + test(12345.6, "1>20", '111111111111112345.6') + test(12345.6, "*>20", '*************12345.6') + test(12345.6, "0=20", '000000000000012345.6') + test(12345.6, "1=20", '111111111111112345.6') + test(12345.6, "*=20", '*************12345.6') + + def test_format_spec_errors(self): + # int, float, and string all share the same format spec + # mini-language parser. + + # Check that we can't ask for too many digits. This is + # probably a CPython specific test. It tries to put the width + # into a C long. + self.assertRaises(ValueError, format, 0, '1'*10000 + 'd') + + # Similar with the precision. + self.assertRaises(ValueError, format, 0, '.' + '1'*10000 + 'd') + + # And may as well test both. + self.assertRaises(ValueError, format, 0, '1'*1000 + '.' + '1'*10000 + 'd') + + # Make sure commas aren't allowed with various type codes + for code in 'xXobns': + self.assertRaises(ValueError, format, 0, ',' + code) + + def test_internal_sizes(self): + self.assertGreater(object.__basicsize__, 0) + self.assertGreater(tuple.__itemsize__, 0) + + +def test_main(): + with check_py3k_warnings( + ("buffer.. not supported", DeprecationWarning), + ("classic long division", DeprecationWarning)): + run_unittest(TypesTests) + +if __name__ == '__main__': + test_main() |