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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /gfx/harfbuzz/src/graph/test-classdef-graph.cc | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | gfx/harfbuzz/src/graph/test-classdef-graph.cc | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/gfx/harfbuzz/src/graph/test-classdef-graph.cc b/gfx/harfbuzz/src/graph/test-classdef-graph.cc new file mode 100644 index 0000000000..55854ff5c2 --- /dev/null +++ b/gfx/harfbuzz/src/graph/test-classdef-graph.cc @@ -0,0 +1,119 @@ +/* + * Copyright © 2022 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 "gsubgpos-context.hh" +#include "classdef-graph.hh" + +typedef hb_pair_t<hb_codepoint_t, hb_codepoint_t> gid_and_class_t; +typedef hb_vector_t<gid_and_class_t> gid_and_class_list_t; + + +static bool incremental_size_is (const gid_and_class_list_t& list, unsigned klass, + unsigned cov_expected, unsigned class_def_expected) +{ + graph::class_def_size_estimator_t estimator (list.iter ()); + + unsigned result = estimator.incremental_coverage_size (klass); + if (result != cov_expected) + { + printf ("FAIL: coverage expected size %u but was %u\n", cov_expected, result); + return false; + } + + result = estimator.incremental_class_def_size (klass); + if (result != class_def_expected) + { + printf ("FAIL: class def expected size %u but was %u\n", class_def_expected, result); + return false; + } + + return true; +} + +static void test_class_and_coverage_size_estimates () +{ + gid_and_class_list_t empty = { + }; + assert (incremental_size_is (empty, 0, 0, 0)); + assert (incremental_size_is (empty, 1, 0, 0)); + + gid_and_class_list_t class_zero = { + {5, 0}, + }; + assert (incremental_size_is (class_zero, 0, 2, 0)); + + gid_and_class_list_t consecutive = { + {4, 0}, + {5, 0}, + {6, 1}, + {7, 1}, + {8, 2}, + {9, 2}, + {10, 2}, + {11, 2}, + }; + assert (incremental_size_is (consecutive, 0, 4, 0)); + assert (incremental_size_is (consecutive, 1, 4, 4)); + assert (incremental_size_is (consecutive, 2, 8, 6)); + + gid_and_class_list_t non_consecutive = { + {4, 0}, + {5, 0}, + + {6, 1}, + {7, 1}, + + {9, 2}, + {10, 2}, + {11, 2}, + {12, 2}, + }; + assert (incremental_size_is (non_consecutive, 0, 4, 0)); + assert (incremental_size_is (non_consecutive, 1, 4, 6)); + assert (incremental_size_is (non_consecutive, 2, 8, 6)); + + gid_and_class_list_t multiple_ranges = { + {4, 0}, + {5, 0}, + + {6, 1}, + {7, 1}, + + {9, 1}, + + {11, 1}, + {12, 1}, + {13, 1}, + }; + assert (incremental_size_is (multiple_ranges, 0, 4, 0)); + assert (incremental_size_is (multiple_ranges, 1, 2 * 6, 3 * 6)); +} + +int +main (int argc, char **argv) +{ + test_class_and_coverage_size_estimates (); +} |