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/*
* Copyright (c) 2022 Balazs Scheidler <bazsi77@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include <criterion/criterion.h>
#include "generic-number.h"
#include <math.h>
Test(generic_number, test_set_signed_int_retrieves_the_value_specified)
{
GenericNumber gn;
gn_set_int64(&gn, 1);
cr_assert_eq(gn_as_int64(&gn), 1);
gn_set_int64(&gn, -1);
cr_assert_eq(gn_as_int64(&gn), -1);
gn_set_int64(&gn, G_MAXINT64);
cr_assert_eq(gn_as_int64(&gn), G_MAXINT64);
gn_set_int64(&gn, G_MININT64);
cr_assert_eq(gn_as_int64(&gn), G_MININT64);
}
Test(generic_number, test_set_double_retrieves_the_value_specified)
{
GenericNumber gn;
gn_set_double(&gn, 1.0, -1);
cr_assert_float_eq(gn_as_double(&gn), 1.0, DBL_EPSILON);
gn_set_double(&gn, -1.0, -1);
cr_assert_float_eq(gn_as_double(&gn), -1.0, DBL_EPSILON);
}
Test(generic_number, test_integer_is_converted_to_double)
{
GenericNumber gn;
gn_set_int64(&gn, -5000);
cr_assert_float_eq(gn_as_double(&gn), -5000.0, DBL_EPSILON);
}
Test(generic_number, test_double_is_converted_to_integer_by_rounding)
{
GenericNumber gn;
gn_set_double(&gn, 1.5, -1);
cr_assert_eq(gn_as_int64(&gn), 2);
gn_set_double(&gn, -1.5, -1);
cr_assert_eq(gn_as_int64(&gn), -2);
}
Test(generic_number, test_double_outside_of_the_int64_range_is_represented_as_extremal_values)
{
GenericNumber gn;
gn_set_double(&gn, ((gdouble) G_MAXINT64) + 1.0, -1);
cr_assert_eq(gn_as_int64(&gn), G_MAXINT64);
gn_set_double(&gn, ((gdouble) G_MAXINT64) + 1e6, -1);
cr_assert_eq(gn_as_int64(&gn), G_MAXINT64);
gn_set_double(&gn, ((gdouble) G_MININT64) - 1e6, -1);
cr_assert_eq(gn_as_int64(&gn), G_MININT64);
gn_set_double(&gn, ((gdouble) G_MININT64) - 1.0, -1);
cr_assert_eq(gn_as_int64(&gn), G_MININT64);
}
Test(generic_number, test_set_nan_becomes_a_nan)
{
GenericNumber gn;
gn_set_nan(&gn);
cr_assert(gn_is_nan(&gn));
/* NAN requires _GNU_SOURCE */
gn_set_double(&gn, (gdouble) NAN, -1);
cr_assert(gn_is_nan(&gn));
}
Test(generic_number, test_nan_operation_is_zero_triggers_an_abort, .signal=SIGABRT)
{
GenericNumber gn;
gn_set_nan(&gn);
gn_is_zero(&gn);
cr_assert(FALSE, "Should not be reached");
}
Test(generic_number, test_nan_operation_compare_triggers_an_abort, .signal=SIGABRT)
{
GenericNumber gn1, gn2;
gn_set_nan(&gn1);
gn_set_double(&gn2, 0.0, -1);
gn_compare(&gn1, &gn2);
cr_assert(FALSE, "Should not be reached");
}
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