diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/test-repacker.cc')
-rw-r--r-- | src/3rdparty/harfbuzz-ng/src/test-repacker.cc | 485 |
1 files changed, 0 insertions, 485 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/test-repacker.cc b/src/3rdparty/harfbuzz-ng/src/test-repacker.cc deleted file mode 100644 index 6f46b04287..0000000000 --- a/src/3rdparty/harfbuzz-ng/src/test-repacker.cc +++ /dev/null @@ -1,485 +0,0 @@ -/* - * Copyright © 2020 Google, 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. - * - * Google Author(s): Garret Rieger - */ - -#include <string> - -#include "hb-repacker.hh" -#include "hb-open-type.hh" - -static void start_object(const char* tag, - unsigned len, - hb_serialize_context_t* c) -{ - c->push (); - char* obj = c->allocate_size<char> (len); - strncpy (obj, tag, len); -} - - -static unsigned add_object(const char* tag, - unsigned len, - hb_serialize_context_t* c) -{ - start_object (tag, len, c); - return c->pop_pack (false); -} - - -static void add_offset (unsigned id, - hb_serialize_context_t* c) -{ - OT::Offset16* offset = c->start_embed<OT::Offset16> (); - c->extend_min (offset); - c->add_link (*offset, id); -} - -static void -populate_serializer_simple (hb_serialize_context_t* c) -{ - c->start_serialize<char> (); - - unsigned obj_1 = add_object ("ghi", 3, c); - unsigned obj_2 = add_object ("def", 3, c); - - start_object ("abc", 3, c); - add_offset (obj_2, c); - add_offset (obj_1, c); - c->pop_pack (); - - c->end_serialize(); -} - -static void -populate_serializer_with_overflow (hb_serialize_context_t* c) -{ - std::string large_string(50000, 'a'); - c->start_serialize<char> (); - - unsigned obj_1 = add_object (large_string.c_str(), 10000, c); - unsigned obj_2 = add_object (large_string.c_str(), 20000, c); - unsigned obj_3 = add_object (large_string.c_str(), 50000, c); - - start_object ("abc", 3, c); - add_offset (obj_3, c); - add_offset (obj_2, c); - add_offset (obj_1, c); - c->pop_pack (); - - c->end_serialize(); -} - -static void -populate_serializer_with_dedup_overflow (hb_serialize_context_t* c) -{ - std::string large_string(70000, 'a'); - c->start_serialize<char> (); - - unsigned obj_1 = add_object ("def", 3, c); - - start_object (large_string.c_str(), 60000, c); - add_offset (obj_1, c); - unsigned obj_2 = c->pop_pack (false); - - start_object (large_string.c_str(), 10000, c); - add_offset (obj_2, c); - add_offset (obj_1, c); - c->pop_pack (false); - - c->end_serialize(); -} - -static void -populate_serializer_complex_1 (hb_serialize_context_t* c) -{ - c->start_serialize<char> (); - - unsigned obj_4 = add_object ("jkl", 3, c); - unsigned obj_3 = add_object ("ghi", 3, c); - - start_object ("def", 3, c); - add_offset (obj_3, c); - unsigned obj_2 = c->pop_pack (false); - - start_object ("abc", 3, c); - add_offset (obj_2, c); - add_offset (obj_4, c); - c->pop_pack (); - - c->end_serialize(); -} - -static void -populate_serializer_complex_2 (hb_serialize_context_t* c) -{ - c->start_serialize<char> (); - - unsigned obj_5 = add_object ("mn", 2, c); - - unsigned obj_4 = add_object ("jkl", 3, c); - - start_object ("ghi", 3, c); - add_offset (obj_4, c); - unsigned obj_3 = c->pop_pack (false); - - start_object ("def", 3, c); - add_offset (obj_3, c); - unsigned obj_2 = c->pop_pack (false); - - start_object ("abc", 3, c); - add_offset (obj_2, c); - add_offset (obj_4, c); - add_offset (obj_5, c); - c->pop_pack (); - - c->end_serialize(); -} - -static void -populate_serializer_complex_3 (hb_serialize_context_t* c) -{ - c->start_serialize<char> (); - - unsigned obj_6 = add_object ("opqrst", 6, c); - - unsigned obj_5 = add_object ("mn", 2, c); - - start_object ("jkl", 3, c); - add_offset (obj_6, c); - unsigned obj_4 = c->pop_pack (false); - - start_object ("ghi", 3, c); - add_offset (obj_4, c); - unsigned obj_3 = c->pop_pack (false); - - start_object ("def", 3, c); - add_offset (obj_3, c); - unsigned obj_2 = c->pop_pack (false); - - start_object ("abc", 3, c); - add_offset (obj_2, c); - add_offset (obj_4, c); - add_offset (obj_5, c); - c->pop_pack (); - - c->end_serialize(); -} - -static void test_sort_kahn_1 () -{ - size_t buffer_size = 100; - void* buffer = malloc (buffer_size); - hb_serialize_context_t c (buffer, buffer_size); - populate_serializer_complex_1 (&c); - - graph_t graph (c.object_graph ()); - graph.sort_kahn (); - - assert(strncmp (graph.object (3).head, "abc", 3) == 0); - assert(graph.object (3).links.length == 2); - assert(graph.object (3).links[0].objidx == 2); - assert(graph.object (3).links[1].objidx == 1); - - assert(strncmp (graph.object (2).head, "def", 3) == 0); - assert(graph.object (2).links.length == 1); - assert(graph.object (2).links[0].objidx == 0); - - assert(strncmp (graph.object (1).head, "jkl", 3) == 0); - assert(graph.object (1).links.length == 0); - - assert(strncmp (graph.object (0).head, "ghi", 3) == 0); - assert(graph.object (0).links.length == 0); - - free (buffer); -} - -static void test_sort_kahn_2 () -{ - size_t buffer_size = 100; - void* buffer = malloc (buffer_size); - hb_serialize_context_t c (buffer, buffer_size); - populate_serializer_complex_2 (&c); - - graph_t graph (c.object_graph ()); - graph.sort_kahn (); - - - assert(strncmp (graph.object (4).head, "abc", 3) == 0); - assert(graph.object (4).links.length == 3); - assert(graph.object (4).links[0].objidx == 3); - assert(graph.object (4).links[1].objidx == 0); - assert(graph.object (4).links[2].objidx == 2); - - assert(strncmp (graph.object (3).head, "def", 3) == 0); - assert(graph.object (3).links.length == 1); - assert(graph.object (3).links[0].objidx == 1); - - assert(strncmp (graph.object (2).head, "mn", 2) == 0); - assert(graph.object (2).links.length == 0); - - assert(strncmp (graph.object (1).head, "ghi", 3) == 0); - assert(graph.object (1).links.length == 1); - assert(graph.object (1).links[0].objidx == 0); - - assert(strncmp (graph.object (0).head, "jkl", 3) == 0); - assert(graph.object (0).links.length == 0); - - free (buffer); -} - -static void test_sort_shortest () -{ - size_t buffer_size = 100; - void* buffer = malloc (buffer_size); - hb_serialize_context_t c (buffer, buffer_size); - populate_serializer_complex_2 (&c); - - graph_t graph (c.object_graph ()); - graph.sort_shortest_distance (); - - assert(strncmp (graph.object (4).head, "abc", 3) == 0); - assert(graph.object (4).links.length == 3); - assert(graph.object (4).links[0].objidx == 2); - assert(graph.object (4).links[1].objidx == 0); - assert(graph.object (4).links[2].objidx == 3); - - assert(strncmp (graph.object (3).head, "mn", 2) == 0); - assert(graph.object (3).links.length == 0); - - assert(strncmp (graph.object (2).head, "def", 3) == 0); - assert(graph.object (2).links.length == 1); - assert(graph.object (2).links[0].objidx == 1); - - assert(strncmp (graph.object (1).head, "ghi", 3) == 0); - assert(graph.object (1).links.length == 1); - assert(graph.object (1).links[0].objidx == 0); - - assert(strncmp (graph.object (0).head, "jkl", 3) == 0); - assert(graph.object (0).links.length == 0); - - free (buffer); -} - -static void test_duplicate_leaf () -{ - size_t buffer_size = 100; - void* buffer = malloc (buffer_size); - hb_serialize_context_t c (buffer, buffer_size); - populate_serializer_complex_2 (&c); - - graph_t graph (c.object_graph ()); - graph.duplicate (4, 1); - - assert(strncmp (graph.object (5).head, "abc", 3) == 0); - assert(graph.object (5).links.length == 3); - assert(graph.object (5).links[0].objidx == 3); - assert(graph.object (5).links[1].objidx == 4); - assert(graph.object (5).links[2].objidx == 0); - - assert(strncmp (graph.object (4).head, "jkl", 3) == 0); - assert(graph.object (4).links.length == 0); - - assert(strncmp (graph.object (3).head, "def", 3) == 0); - assert(graph.object (3).links.length == 1); - assert(graph.object (3).links[0].objidx == 2); - - assert(strncmp (graph.object (2).head, "ghi", 3) == 0); - assert(graph.object (2).links.length == 1); - assert(graph.object (2).links[0].objidx == 1); - - assert(strncmp (graph.object (1).head, "jkl", 3) == 0); - assert(graph.object (1).links.length == 0); - - assert(strncmp (graph.object (0).head, "mn", 2) == 0); - assert(graph.object (0).links.length == 0); - - free (buffer); -} - -static void test_duplicate_interior () -{ - size_t buffer_size = 100; - void* buffer = malloc (buffer_size); - hb_serialize_context_t c (buffer, buffer_size); - populate_serializer_complex_3 (&c); - - graph_t graph (c.object_graph ()); - graph.duplicate (3, 2); - - assert(strncmp (graph.object (6).head, "abc", 3) == 0); - assert(graph.object (6).links.length == 3); - assert(graph.object (6).links[0].objidx == 4); - assert(graph.object (6).links[1].objidx == 2); - assert(graph.object (6).links[2].objidx == 1); - - assert(strncmp (graph.object (5).head, "jkl", 3) == 0); - assert(graph.object (5).links.length == 1); - assert(graph.object (5).links[0].objidx == 0); - - assert(strncmp (graph.object (4).head, "def", 3) == 0); - assert(graph.object (4).links.length == 1); - assert(graph.object (4).links[0].objidx == 3); - - assert(strncmp (graph.object (3).head, "ghi", 3) == 0); - assert(graph.object (3).links.length == 1); - assert(graph.object (3).links[0].objidx == 5); - - assert(strncmp (graph.object (2).head, "jkl", 3) == 0); - assert(graph.object (2).links.length == 1); - assert(graph.object (2).links[0].objidx == 0); - - assert(strncmp (graph.object (1).head, "mn", 2) == 0); - assert(graph.object (1).links.length == 0); - - assert(strncmp (graph.object (0).head, "opqrst", 6) == 0); - assert(graph.object (0).links.length == 0); - - free (buffer); -} - -static void -test_serialize () -{ - size_t buffer_size = 100; - void* buffer_1 = malloc (buffer_size); - hb_serialize_context_t c1 (buffer_1, buffer_size); - populate_serializer_simple (&c1); - hb_bytes_t expected = c1.copy_bytes (); - - void* buffer_2 = malloc (buffer_size); - hb_serialize_context_t c2 (buffer_2, buffer_size); - - graph_t graph (c1.object_graph ()); - graph.serialize (&c2); - hb_bytes_t actual = c2.copy_bytes (); - - assert (actual == expected); - - actual.fini (); - expected.fini (); - free (buffer_1); - free (buffer_2); -} - -static void test_will_overflow_1 () -{ - size_t buffer_size = 100; - void* buffer = malloc (buffer_size); - hb_serialize_context_t c (buffer, buffer_size); - populate_serializer_complex_2 (&c); - graph_t graph (c.object_graph ()); - - assert (!graph.will_overflow (nullptr)); - - free (buffer); -} - -static void test_will_overflow_2 () -{ - size_t buffer_size = 160000; - void* buffer = malloc (buffer_size); - hb_serialize_context_t c (buffer, buffer_size); - populate_serializer_with_overflow (&c); - graph_t graph (c.object_graph ()); - - assert (graph.will_overflow (nullptr)); - - free (buffer); -} - -static void test_will_overflow_3 () -{ - size_t buffer_size = 160000; - void* buffer = malloc (buffer_size); - hb_serialize_context_t c (buffer, buffer_size); - populate_serializer_with_dedup_overflow (&c); - graph_t graph (c.object_graph ()); - - assert (graph.will_overflow (nullptr)); - - free (buffer); -} - -static void test_resolve_overflows_via_sort () -{ - size_t buffer_size = 160000; - void* buffer = malloc (buffer_size); - hb_serialize_context_t c (buffer, buffer_size); - populate_serializer_with_overflow (&c); - graph_t graph (c.object_graph ()); - - void* out_buffer = malloc (buffer_size); - hb_serialize_context_t out (out_buffer, buffer_size); - - hb_resolve_overflows (c.object_graph (), &out); - assert (!out.offset_overflow ()); - hb_bytes_t result = out.copy_bytes (); - assert (result.length == (80000 + 3 + 3 * 2)); - - result.fini (); - free (buffer); - free (out_buffer); -} - -static void test_resolve_overflows_via_duplication () -{ - size_t buffer_size = 160000; - void* buffer = malloc (buffer_size); - hb_serialize_context_t c (buffer, buffer_size); - populate_serializer_with_dedup_overflow (&c); - graph_t graph (c.object_graph ()); - - void* out_buffer = malloc (buffer_size); - hb_serialize_context_t out (out_buffer, buffer_size); - - hb_resolve_overflows (c.object_graph (), &out); - assert (!out.offset_overflow ()); - hb_bytes_t result = out.copy_bytes (); - assert (result.length == (10000 + 2 * 2 + 60000 + 2 + 3 * 2)); - - result.fini (); - free (buffer); - free (out_buffer); -} - -// TODO(garretrieger): update will_overflow tests to check the overflows array. -// TODO(garretrieger): add a test(s) using a real font. -// TODO(garretrieger): add tests for priority raising. - -int -main (int argc, char **argv) -{ - test_serialize (); - test_sort_kahn_1 (); - test_sort_kahn_2 (); - test_sort_shortest (); - test_will_overflow_1 (); - test_will_overflow_2 (); - test_will_overflow_3 (); - test_resolve_overflows_via_sort (); - test_resolve_overflows_via_duplication (); - test_duplicate_leaf (); - test_duplicate_interior (); -} |