harfbuzz/src/test-map.cc

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/*
* Copyright © 2021 Behdad Esfahbod
*
* 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.
*/
#include "hb.hh"
#include "hb-map.hh"
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#include "hb-set.hh"
#include <string>
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int
main (int argc, char **argv)
{
/* Test copy constructor. */
{
hb_map_t v1;
v1.set (1, 2);
hb_map_t v2 {v1};
assert (v1.get_population () == 1);
assert (v2.get_population () == 1);
assert (v1[1] == 2);
assert (v2[1] == 2);
}
/* Test copy assignment. */
{
hb_map_t v1;
v1.set (1, 2);
hb_map_t v2 = v1;
assert (v1.get_population () == 1);
assert (v2.get_population () == 1);
assert (v1[1] == 2);
assert (v2[1] == 2);
}
/* Test move constructor. */
{
hb_map_t s {};
s.set (1, 2);
hb_map_t v (std::move (s));
assert (s.get_population () == 0);
assert (v.get_population () == 1);
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}
/* Test move assignment. */
{
hb_map_t s {};
s.set (1, 2);
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hb_map_t v;
v = std::move (s);
assert (s.get_population () == 0);
assert (v.get_population () == 1);
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}
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/* Test initializing from iterable. */
{
hb_map_t s;
s.set (1, 2);
s.set (3, 4);
hb_vector_t<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> v (s);
hb_map_t v0 (v);
hb_map_t v1 (s);
hb_map_t v2 (std::move (s));
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assert (s.get_population () == 0);
assert (v0.get_population () == 2);
assert (v1.get_population () == 2);
assert (v2.get_population () == 2);
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}
/* Test call fini() twice. */
{
hb_map_t s;
for (int i = 0; i < 16; i++)
s.set(i, i+1);
s.fini();
}
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/* Test initializing from iterator. */
{
hb_map_t s;
s.set (1, 2);
s.set (3, 4);
hb_map_t v (hb_iter (s));
assert (v.get_population () == 2);
}
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/* Test initializing from initializer list and swapping. */
{
using pair_t = hb_pair_t<hb_codepoint_t, hb_codepoint_t>;
hb_map_t v1 {pair_t{1,2}, pair_t{4,5}};
hb_map_t v2 {pair_t{3,4}};
hb_swap (v1, v2);
assert (v1.get_population () == 1);
assert (v2.get_population () == 2);
}
/* Test class key / value types. */
{
hb_hashmap_t<hb_bytes_t, int> m1;
hb_hashmap_t<int, hb_bytes_t> m2;
hb_hashmap_t<hb_bytes_t, hb_bytes_t> m3;
assert (m1.get_population () == 0);
assert (m2.get_population () == 0);
assert (m3.get_population () == 0);
}
{
hb_hashmap_t<int, int> m0;
hb_hashmap_t<std::string, int> m1;
hb_hashmap_t<int, std::string> m2;
hb_hashmap_t<std::string, std::string> m3;
std::string s;
for (unsigned i = 1; i < 1000; i++)
{
s += "x";
m0.set (i, i);
m1.set (s, i);
m2.set (i, s);
m3.set (s, s);
}
}
/* Test hashing maps. */
{
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using pair = hb_pair_t<hb_codepoint_t, hb_codepoint_t>;
hb_hashmap_t<hb_map_t, hb_map_t> m1;
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m1.set (hb_map_t (), hb_map_t {});
m1.set (hb_map_t (), hb_map_t {pair (1u, 2u)});
m1.set (hb_map_t {pair (1u, 2u)}, hb_map_t {pair (2u, 3u)});
assert (m1.get (hb_map_t ()) == hb_map_t {pair (1u, 2u)});
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assert (m1.get (hb_map_t {pair (1u, 2u)}) == hb_map_t {pair (2u, 3u)});
}
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/* Test hashing sets. */
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{
hb_hashmap_t<hb_set_t, hb_set_t> m1;
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m1.set (hb_set_t (), hb_set_t ());
m1.set (hb_set_t (), hb_set_t {1});
m1.set (hb_set_t {1, 1000}, hb_set_t {2});
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assert (m1.get (hb_set_t ()) == hb_set_t {1});
assert (m1.get (hb_set_t {1000, 1}) == hb_set_t {2});
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}
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/* Test hashing vectors. */
{
using vector_t = hb_vector_t<unsigned>;
hb_hashmap_t<vector_t, vector_t> m1;
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m1.set (vector_t (), vector_t {1});
m1.set (vector_t {1}, vector_t {2});
m1 << hb_pair_t<vector_t, vector_t> {vector_t {2}, vector_t ()};
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assert (m1.get (vector_t ()) == vector_t {1});
assert (m1.get (vector_t {1}) == vector_t {2});
}
/* Test moving values */
{
using vector_t = hb_vector_t<unsigned>;
hb_hashmap_t<vector_t, vector_t> m1;
vector_t v {3};
assert (v.length == 1);
m1 << hb_pair_t<vector_t, vector_t> {vector_t {3}, v};
assert (v.length == 1);
m1 << hb_pair_t<vector_t, vector_t&&> {vector_t {4}, std::move (v)};
assert (v.length == 0);
m1 << hb_pair_t<vector_t&&, vector_t> {vector_t {4}, vector_t {5}};
m1 << hb_pair_t<vector_t&&, vector_t&&> {vector_t {4}, vector_t {5}};
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hb_hashmap_t<vector_t, vector_t> m2;
vector_t v2 {3};
m2.set (vector_t {4}, v2);
assert (v2.length == 1);
m2.set (vector_t {5}, std::move (v2));
assert (v2.length == 0);
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}
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/* Test hb::shared_ptr. */
{
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hb_hashmap_t<hb::shared_ptr<hb_set_t>, hb::shared_ptr<hb_set_t>> m;
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m.set (hb::shared_ptr<hb_set_t> (hb_set_get_empty ()),
hb::shared_ptr<hb_set_t> (hb_set_get_empty ()));
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m.get (hb::shared_ptr<hb_set_t> (hb_set_get_empty ()));
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m.iter ();
m.keys ();
m.values ();
m.iter_ref ();
m.keys_ref ();
m.values_ref ();
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}
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/* Test hb::unique_ptr. */
{
hb_hashmap_t<hb::unique_ptr<hb_set_t>, hb::unique_ptr<hb_set_t>> m;
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m.set (hb::unique_ptr<hb_set_t> (hb_set_get_empty ()),
hb::unique_ptr<hb_set_t> (hb_set_get_empty ()));
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m.get (hb::unique_ptr<hb_set_t> (hb_set_get_empty ()));
hb::unique_ptr<hb_set_t> *v;
m.has (hb::unique_ptr<hb_set_t> (hb_set_get_empty ()), &v);
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m.iter_ref ();
m.keys_ref ();
m.values_ref ();
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}
/* Test more complex unique_ptr's. */
{
hb_hashmap_t<int, hb::unique_ptr<hb_hashmap_t<int, int>>> m;
m.get (0);
const hb::unique_ptr<hb_hashmap_t<int, int>> *v1;
m.has (0, &v1);
hb::unique_ptr<hb_hashmap_t<int, int>> *v2;
m.has (0, &v2);
}
/* Test hashmap with complex shared_ptrs as keys. */
{
hb_hashmap_t<hb::shared_ptr<hb_map_t>, unsigned> m;
hb_map_t *m1 = hb_map_create ();
hb_map_t *m2 = hb_map_create ();
m1->set (1,3);
m2->set (1,3);
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hb::shared_ptr<hb_map_t> p1 {m1};
hb::shared_ptr<hb_map_t> p2 {m2};
m.set (p1,1);
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assert (m.has (p2));
m1->set (2,4);
assert (!m.has (p2));
}
/* Test value type with hb_bytes_t. */
{
hb_hashmap_t<int, hb_bytes_t> m;
char c_str[] = "Test";
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hb_bytes_t bytes (c_str);
m.set (1, bytes);
assert (m.has (1));
}
/* Test operators. */
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{
hb_map_t m1, m2, m3;
m1.set (1, 2);
m1.set (2, 4);
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m2.set (1, 2);
m2.set (2, 4);
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m3.set (1, 3);
m3.set (3, 5);
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assert (m1 == m2);
assert (m1 != m3);
assert (!(m2 == m3));
m2 = m3;
assert (m2.has (1));
assert (!m2.has (2));
assert (m2.has (3));
assert (m3.has (3));
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}
/* Test reset. */
{
hb_hashmap_t<int, hb_set_t> m;
m.set (1, hb_set_t {1, 2, 3});
m.reset ();
}
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return 0;
}