111 lines
2.9 KiB
C++
111 lines
2.9 KiB
C++
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/*
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* Copyright © 2022 Google, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Google Author(s): Garret Rieger
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*/
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#include "gsubgpos-context.hh"
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#include "classdef-graph.hh"
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typedef hb_pair_t<hb_codepoint_t, hb_codepoint_t> gid_and_class_t;
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typedef hb_vector_t<gid_and_class_t> gid_and_class_list_t;
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static bool incremental_size_is (const gid_and_class_list_t& list, unsigned klass, unsigned expected)
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{
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graph::class_def_size_estimator_t estimator (list.iter ());
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unsigned result = estimator.incremental_size_for_class (klass);
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if (result != expected)
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{
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printf ("FAIL: expected size %u but was %u\n", expected, result);
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return false;
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}
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return true;
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}
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static void test_class_and_coverage_size_estimates ()
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{
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gid_and_class_list_t empty = {
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};
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assert (incremental_size_is (empty, 0, 0));
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assert (incremental_size_is (empty, 1, 0));
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gid_and_class_list_t class_zero = {
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{5, 0},
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};
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assert (incremental_size_is (class_zero, 0, 2));
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gid_and_class_list_t consecutive = {
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{4, 0},
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{5, 0},
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{6, 1},
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{7, 1},
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{8, 2},
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{9, 2},
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{10, 2},
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{11, 2},
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};
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assert (incremental_size_is (consecutive, 0, 4));
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assert (incremental_size_is (consecutive, 1, 4 + 4));
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assert (incremental_size_is (consecutive, 2, 8 + 6));
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gid_and_class_list_t non_consecutive = {
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{4, 0},
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{5, 0},
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{6, 1},
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{7, 1},
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{9, 2},
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{10, 2},
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{11, 2},
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{12, 2},
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};
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assert (incremental_size_is (non_consecutive, 0, 4));
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assert (incremental_size_is (non_consecutive, 1, 4 + 6));
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assert (incremental_size_is (non_consecutive, 2, 8 + 6));
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gid_and_class_list_t multiple_ranges = {
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{4, 0},
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{5, 0},
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{6, 1},
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{7, 1},
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{9, 1},
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{11, 1},
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{12, 1},
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{13, 1},
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};
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assert (incremental_size_is (multiple_ranges, 0, 4));
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assert (incremental_size_is (multiple_ranges, 1, 2 * 6 + 3 * 6));
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}
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int
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main (int argc, char **argv)
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{
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test_class_and_coverage_size_estimates ();
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}
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