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import platform
import pytest

from . import util
from numpy.testing import assert_equal

@pytest.mark.skipif(

    platform.system() == 'Darwin',

    reason="Prone to error when run with numpy/f2py/tests on mac os, "

           "but not when run in isolation")
class TestMultiline(util.F2PyTest):
    suffix = ".pyf"
    module_name = "multiline"
    code = """

python module {module}

    usercode '''

void foo(int* x) {{

    char dummy = ';';

    *x = 42;

}}

'''

    interface

        subroutine foo(x)

            intent(c) foo

            integer intent(out) :: x

        end subroutine foo

    end interface

end python module {module}

    """.format(module=module_name)

    def test_multiline(self):
        assert_equal(self.module.foo(), 42)


@pytest.mark.skipif(

    platform.system() == 'Darwin',

    reason="Prone to error when run with numpy/f2py/tests on mac os, "

           "but not when run in isolation")
class TestCallstatement(util.F2PyTest):
    suffix = ".pyf"
    module_name = "callstatement"
    code = """

python module {module}

    usercode '''

void foo(int* x) {{

}}

'''

    interface

        subroutine foo(x)

            intent(c) foo

            integer intent(out) :: x

            callprotoargument int*

            callstatement {{ &

                ; &

                x = 42; &

            }}

        end subroutine foo

    end interface

end python module {module}

    """.format(module=module_name)

    def test_callstatement(self):
        assert_equal(self.module.foo(), 42)