harfbuzz/src/test-algs.cc

78 lines
1.8 KiB
C++

/*
* 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"
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 (3, 8, 1, 2));
assert (8 == hb_max (3, 8, 1, 2));
int x = 1, y = 2;
hb_min (x, 3);
hb_min (3, x, 4);
hb_min (3, x, 4 + 3);
int &z = hb_min (x, y);
z = 3;
assert (x == 3);
return 0;
}