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/*
* Copyright © 2019 Facebook, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Facebook Author(s): Behdad Esfahbod
*/
#include "hb.hh"
#include "hb-algs.hh"
#include "hb-set.hh"
static char *
test_func (int a, char **b)
{
return b ? b[a] : nullptr;
}
struct A
{
void a () {}
};
int
main (int argc, char **argv)
{
int i = 1;
auto p = hb_pair (1, i);
p.second = 2;
assert (i == 2);
const int c = 3;
auto pc = hb_pair (1, c);
assert (pc.second == 3);
auto q = p;
assert (&q != &p);
q.second = 4;
assert (i == 4);
hb_invoke (test_func, 0, nullptr);
A a;
hb_invoke (&A::a, a);
assert (1 == hb_min (8, 1));
assert (8 == hb_max (8, 1));
int x = 1, y = 2;
hb_min (x, 3);
hb_min (3, x);
hb_min (x, 4 + 3);
int &z = hb_min (x, y);
z = 3;
assert (x == 3);
hb_pair_t<const int*, int> xp = hb_pair_t<int *, long> (nullptr, 0);
xp = hb_pair_t<int *, double> (nullptr, 1);
xp = hb_pair_t<const int*, int> (nullptr, 1);
assert (3 == hb_partial (hb_min, 3) (4));
assert (3 == hb_partial<1> (hb_min, 4) (3));
auto M0 = hb_partial<2> (hb_max, 0);
assert (M0 (-2) == 0);
assert (M0 (+2) == 2);
assert (hb_add (2) (5) == 7);
assert (hb_add (5) (2) == 7);
x = 1;
assert (++hb_inc (x) == 3);
assert (x == 3);
hb_set_t set1 {1};
hb_set_t set2 {2};
assert (hb_hash (set1) != hb_hash (set2));
assert (hb_hash (set1) == hb_hash (hb_set_t {1}));
assert (hb_hash (set1) != hb_hash (hb_set_t {}));
assert (hb_hash (set1) != hb_hash (hb_set_t {2}));
assert (hb_hash (set2) == hb_hash (hb_set_t {2}));
/* hb_hash, unlike std::hash, dereferences pointers. */
assert (hb_hash (set1) == hb_hash (&set1));
assert (hb_hash (set1) == hb_hash (hb::shared_ptr<hb_set_t> {hb_set_reference (&set1)}));
assert (hb_hash (set1) == hb_hash (hb::unique_ptr<hb_set_t> {hb_set_reference (&set1)}));
return 0;
}
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