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1# Copyright David Abrahams 2004. Distributed under the Boost
2# Software License, Version 1.0. (See accompanying
3# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
4from __future__ import print_function
5"""
6>>> from args_ext import *
7
8>>> raw(3, 4, foo = 'bar', baz = 42)
9((3, 4), {'foo': 'bar', 'baz': 42})
10
11   Prove that we can handle empty keywords and non-keywords
12
13>>> raw(3, 4)
14((3, 4), {})
15
16>>> raw(foo = 'bar')
17((), {'foo': 'bar'})
18
19>>> f(x= 1, y = 3, z = 'hello')
20(1, 3.0, 'hello')
21
22>>> f(z = 'hello', x = 3, y = 2.5)
23(3, 2.5, 'hello')
24
25>>> f(1, z = 'hi', y = 3)
26(1, 3.0, 'hi')
27
28>>> try: f(1, 2, 'hello', bar = 'baz')
29... except TypeError: pass
30... else: print('expected an exception: unknown keyword')
31
32
33   Exercise the functions using default stubs
34
35>>> f1(z = 'nix', y = .125, x = 2)
36(2, 0.125, 'nix')
37>>> f1(y = .125, x = 2)
38(2, 0.125, 'wow')
39>>> f1(x = 2)
40(2, 4.25, 'wow')
41>>> f1()
42(1, 4.25, 'wow')
43
44>>> f2(z = 'nix', y = .125, x = 2)
45(2, 0.125, 'nix')
46>>> f2(y = .125, x = 2)
47(2, 0.125, 'wow')
48>>> f2(x = 2)
49(2, 4.25, 'wow')
50>>> f2()
51(1, 4.25, 'wow')
52
53>>> f3(z = 'nix', y = .125, x = 2)
54(2, 0.125, 'nix')
55>>> f3(y = .125, x = 2)
56(2, 0.125, 'wow')
57>>> f3(x = 2)
58(2, 4.25, 'wow')
59>>> f3()
60(1, 4.25, 'wow')
61
62   Member function tests
63
64>>> q = X()
65>>> q.f(x= 1, y = 3, z = 'hello')
66(1, 3.0, 'hello')
67
68>>> q.f(z = 'hello', x = 3, y = 2.5)
69(3, 2.5, 'hello')
70
71>>> q.f(1, z = 'hi', y = 3)
72(1, 3.0, 'hi')
73
74>>> try: q.f(1, 2, 'hello', bar = 'baz')
75... except TypeError: pass
76... else: print('expected an exception: unknown keyword')
77
78   Exercise member functions using default stubs
79
80>>> q.f1(z = 'nix', y = .125, x = 2)
81(2, 0.125, 'nix')
82>>> q.f1(y = .125, x = 2)
83(2, 0.125, 'wow')
84>>> q.f1(x = 2)
85(2, 4.25, 'wow')
86>>> q.f1()
87(1, 4.25, 'wow')
88>>> q.f2.__doc__.splitlines()[1]
89'f2( (X)self [, (int)x [, (float)y [, (str)z]]]) -> tuple :'
90
91>>> q.f2.__doc__.splitlines()[2]
92"    f2's docstring"
93
94>>> X.f.__doc__.splitlines()[1:5]
95['f( (X)self, (int)x, (float)y, (str)z) -> tuple :', "    This is X.f's docstring", '', '    C++ signature :']
96
97>>> xfuncs = (X.inner0, X.inner1, X.inner2, X.inner3, X.inner4, X.inner5)
98>>> for f in xfuncs:
99...    print(f(q,1).value(), end=' ')
100...    print(f(q, n = 1).value(), end=' ')
101...    print(f(q, n = 0).value(), end=' ')
102...    print(f.__doc__.splitlines()[1:5])
1031 1 0 ['inner0( (X)self, (bool)n) -> Y :', '    docstring', '', '    C++ signature :']
1041 1 0 ['inner1( (X)self, (bool)n) -> Y :', '    docstring', '', '    C++ signature :']
1051 1 0 ['inner2( (X)self, (bool)n) -> Y :', '    docstring', '', '    C++ signature :']
1061 1 0 ['inner3( (X)self, (bool)n) -> Y :', '    docstring', '', '    C++ signature :']
1071 1 0 ['inner4( (X)self, (bool)n) -> Y :', '    docstring', '', '    C++ signature :']
1081 1 0 ['inner5( (X)self, (bool)n) -> Y :', '    docstring', '', '    C++ signature :']
109
110>>> x = X(a1 = 44, a0 = 22)
111>>> x.inner0(0).value()
11222
113>>> x.inner0(1).value()
11444
115
116>>> x = X(a0 = 7)
117>>> x.inner0(0).value()
1187
119>>> x.inner0(1).value()
1201
121
122>>> inner(n = 1, self = q).value()
1231
124
125>>> y = Y(value = 33)
126>>> y.raw(this = 1, that = 'the other')[1]
127{'this': 1, 'that': 'the other'}
128
129"""
130def run(args = None):
131    import sys
132    import doctest
133
134    if args is not None:
135        sys.argv = args
136    return doctest.testmod(sys.modules.get(__name__))
137
138if __name__ == '__main__':
139    print("running...")
140    import sys
141    status = run()[0]
142    if (status == 0): print("Done.")
143    import args_ext
144    help(args_ext)
145    sys.exit(status)
146
147
148
149