from __future__ import division, absolute_import, print_function

from numpy.testing import *
from numpy import array
from numpy.compat import long
import util

class TestReturnInteger(util.F2PyTest):
    def check_function(self, t):
        assert_( t(123)==123, repr(t(123)))
        assert_( t(123.6)==123)
        assert_( t(long(123))==123)
        assert_( t('123')==123)
        assert_( t(-123)==-123)
        assert_( t([123])==123)
        assert_( t((123,))==123)
        assert_( t(array(123))==123)
        assert_( t(array([123]))==123)
        assert_( t(array([[123]]))==123)
        assert_( t(array([123], 'b'))==123)
        assert_( t(array([123], 'h'))==123)
        assert_( t(array([123], 'i'))==123)
        assert_( t(array([123], 'l'))==123)
        assert_( t(array([123], 'B'))==123)
        assert_( t(array([123], 'f'))==123)
        assert_( t(array([123], 'd'))==123)

        #assert_raises(ValueError, t, array([123],'S3'))
        assert_raises(ValueError, t, 'abc')

        assert_raises(IndexError, t, [])
        assert_raises(IndexError, t, ())

        assert_raises(Exception, t, t)
        assert_raises(Exception, t, {})

        if t.__doc__.split()[0] in ['t8', 's8']:
            assert_raises(OverflowError, t, 100000000000000000000000)
            assert_raises(OverflowError, t, 10000000011111111111111.23)

class TestF77ReturnInteger(TestReturnInteger):
    code = """
       function t0(value)
         integer value
         integer t0
         t0 = value
       end
       function t1(value)
         integer*1 value
         integer*1 t1
         t1 = value
       end
       function t2(value)
         integer*2 value
         integer*2 t2
         t2 = value
       end
       function t4(value)
         integer*4 value
         integer*4 t4
         t4 = value
       end
       function t8(value)
         integer*8 value
         integer*8 t8
         t8 = value
       end

       subroutine s0(t0,value)
         integer value
         integer t0
cf2py    intent(out) t0
         t0 = value
       end
       subroutine s1(t1,value)
         integer*1 value
         integer*1 t1
cf2py    intent(out) t1
         t1 = value
       end
       subroutine s2(t2,value)
         integer*2 value
         integer*2 t2
cf2py    intent(out) t2
         t2 = value
       end
       subroutine s4(t4,value)
         integer*4 value
         integer*4 t4
cf2py    intent(out) t4
         t4 = value
       end
       subroutine s8(t8,value)
         integer*8 value
         integer*8 t8
cf2py    intent(out) t8
         t8 = value
       end
    """

    @dec.slow
    def test_all(self):
        for name in "t0,t1,t2,t4,t8,s0,s1,s2,s4,s8".split(","):
            self.check_function(getattr(self.module, name))


class TestF90ReturnInteger(TestReturnInteger):
    suffix = ".f90"
    code = """
module f90_return_integer
  contains
       function t0(value)
         integer :: value
         integer :: t0
         t0 = value
       end function t0
       function t1(value)
         integer(kind=1) :: value
         integer(kind=1) :: t1
         t1 = value
       end function t1
       function t2(value)
         integer(kind=2) :: value
         integer(kind=2) :: t2
         t2 = value
       end function t2
       function t4(value)
         integer(kind=4) :: value
         integer(kind=4) :: t4
         t4 = value
       end function t4
       function t8(value)
         integer(kind=8) :: value
         integer(kind=8) :: t8
         t8 = value
       end function t8

       subroutine s0(t0,value)
         integer :: value
         integer :: t0
!f2py    intent(out) t0
         t0 = value
       end subroutine s0
       subroutine s1(t1,value)
         integer(kind=1) :: value
         integer(kind=1) :: t1
!f2py    intent(out) t1
         t1 = value
       end subroutine s1
       subroutine s2(t2,value)
         integer(kind=2) :: value
         integer(kind=2) :: t2
!f2py    intent(out) t2
         t2 = value
       end subroutine s2
       subroutine s4(t4,value)
         integer(kind=4) :: value
         integer(kind=4) :: t4
!f2py    intent(out) t4
         t4 = value
       end subroutine s4
       subroutine s8(t8,value)
         integer(kind=8) :: value
         integer(kind=8) :: t8
!f2py    intent(out) t8
         t8 = value
       end subroutine s8
end module f90_return_integer
    """

    @dec.slow
    def test_all(self):
        for name in "t0,t1,t2,t4,t8,s0,s1,s2,s4,s8".split(","):
            self.check_function(getattr(self.module.f90_return_integer, name))

if __name__ == "__main__":
    import nose
    nose.runmodule()
