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diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/test-number.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/test-number.cc
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+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/test-number.cc
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+/*
+ * Copyright © 2019 Ebrahim Byagowi
+ *
+ * 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-number.hh"
+#include "hb-number-parser.hh"
+
+
+int
+main (int argc, char **argv)
+{
+ {
+ const char str[] = "123";
+ const char *pp = str;
+ const char *end = str + 3;
+
+ int pv;
+ assert (hb_parse_int (&pp, end, &pv));
+ assert (pv == 123);
+ assert (pp - str == 3);
+ assert (end - pp == 0);
+ assert (!*end);
+ }
+
+ {
+ const char str[] = "123";
+ const char *pp = str;
+ const char *end = str + strlen (str);
+
+ unsigned int pv;
+ assert (hb_parse_uint (&pp, end, &pv));
+ assert (pv == 123);
+ assert (pp - str == 3);
+ assert (end - pp == 0);
+ assert (!*end);
+ }
+
+ {
+ const char str[] = "12F";
+ const char *pp = str;
+ const char *end = str + 3;
+
+ unsigned int pv;
+ assert (hb_parse_uint (&pp, end, &pv, true, 16));
+ assert (pv == 0x12F);
+ assert (pp - str == 3);
+ assert (end - pp == 0);
+ assert (!*end);
+ }
+
+ {
+ const char str[] = "12Fq";
+ const char *pp = str;
+ const char *end = str + 4;
+
+ unsigned int pv;
+ assert (!hb_parse_uint (&pp, end, &pv, true, 16));
+ assert (hb_parse_uint (&pp, end, &pv, false, 16));
+ assert (pv == 0x12F);
+ assert (pp - str == 3);
+ assert (end - pp == 1);
+ assert (!*end);
+ }
+
+ {
+ const char str[] = "-123";
+ const char *pp = str;
+ const char *end = str + 4;
+
+ int pv;
+ assert (hb_parse_int (&pp, end, &pv));
+ assert (pv == -123);
+ assert (pp - str == 4);
+ assert (end - pp == 0);
+ assert (!*end);
+ }
+
+ {
+ const char str[] = "123";
+ const char *pp = str;
+ assert (ARRAY_LENGTH (str) == 4);
+ const char *end = str + ARRAY_LENGTH (str);
+
+ unsigned int pv;
+ assert (hb_parse_uint (&pp, end, &pv));
+ assert (pv == 123);
+ assert (pp - str == 3);
+ assert (end - pp == 1);
+ }
+
+ {
+ const char str[] = "123\0";
+ const char *pp = str;
+ assert (ARRAY_LENGTH (str) == 5);
+ const char *end = str + ARRAY_LENGTH (str);
+
+ unsigned int pv;
+ assert (hb_parse_uint (&pp, end, &pv));
+ assert (pv == 123);
+ assert (pp - str == 3);
+ assert (end - pp == 2);
+ }
+
+ {
+ const char str[] = "123V";
+ const char *pp = str;
+ assert (ARRAY_LENGTH (str) == 5);
+ const char *end = str + ARRAY_LENGTH (str);
+
+ unsigned int pv;
+ assert (hb_parse_uint (&pp, end, &pv));
+ assert (pv == 123);
+ assert (pp - str == 3);
+ assert (end - pp == 2);
+ }
+
+ {
+ const char str[] = ".123";
+ const char *pp = str;
+ const char *end = str + ARRAY_LENGTH (str);
+
+ double pv;
+ assert (hb_parse_double (&pp, end, &pv));
+ assert ((int) roundf (pv * 1000.) == 123);
+ assert (pp - str == 4);
+ assert (end - pp == 1);
+
+ /* Test strtod_rl even if libc's strtod_l is used */
+ char *pend;
+ assert ((int) roundf (strtod_rl (str, &pend) * 1000.) == 123);
+ assert (pend - str == 4);
+ }
+
+ {
+ const char str[] = "0.123";
+ const char *pp = str;
+ const char *end = str + ARRAY_LENGTH (str) - 1;
+
+ double pv;
+ assert (hb_parse_double (&pp, end, &pv));
+ assert ((int) roundf (pv * 1000.) == 123);
+ assert (pp - str == 5);
+ assert (end - pp == 0);
+
+ char *pend;
+ assert ((int) roundf (strtod_rl (str, &pend) * 1000.) == 123);
+ assert (pend - str == 5);
+ }
+
+ {
+ const char str[] = "0.123e0";
+ const char *pp = str;
+ const char *end = str + ARRAY_LENGTH (str) - 1;
+
+ double pv;
+ assert (hb_parse_double (&pp, end, &pv));
+ assert ((int) roundf (pv * 1000.) == 123);
+ assert (pp - str == 7);
+ assert (end - pp == 0);
+
+ char *pend;
+ assert ((int) roundf (strtod_rl (str, &pend) * 1000.) == 123);
+ assert (pend - str == 7);
+ }
+
+ {
+ const char str[] = "123e-3";
+ const char *pp = str;
+ const char *end = str + ARRAY_LENGTH (str) - 1;
+
+ double pv;
+ assert (hb_parse_double (&pp, end, &pv));
+ assert ((int) roundf (pv * 1000.) == 123);
+ assert (pp - str == 6);
+ assert (end - pp == 0);
+
+ char *pend;
+ assert ((int) roundf (strtod_rl (str, &pend) * 1000.) == 123);
+ assert (pend - str == 6);
+ }
+
+ {
+ const char str[] = ".000123e+3";
+ const char *pp = str;
+ const char *end = str + ARRAY_LENGTH (str) - 1;
+
+ double pv;
+ assert (hb_parse_double (&pp, end, &pv));
+ assert ((int) roundf (pv * 1000.) == 123);
+ assert (pp - str == 10);
+ assert (end - pp == 0);
+
+ char *pend;
+ assert ((int) roundf (strtod_rl (str, &pend) * 1000.) == 123);
+ assert (pend - str == 10);
+ }
+
+ {
+ const char str[] = "-.000000123e6";
+ const char *pp = str;
+ const char *end = str + ARRAY_LENGTH (str) - 1;
+
+ double pv;
+ assert (hb_parse_double (&pp, end, &pv));
+ assert ((int) roundf (pv * 1000.) == -123);
+ assert (pp - str == 13);
+ assert (end - pp == 0);
+
+ char *pend;
+ assert ((int) roundf (strtod_rl (str, &pend) * 1000.) == -123);
+ assert (pend - str == 13);
+ }
+
+ {
+ const char str[] = "-1.23E-1";
+ const char *pp = str;
+ const char *end = str + ARRAY_LENGTH (str) - 1;
+
+ double pv;
+ assert (hb_parse_double (&pp, end, &pv));
+ assert ((int) roundf (pv * 1000.) == -123);
+ assert (pp - str == 8);
+ assert (end - pp == 0);
+
+ char *pend;
+ assert ((int) roundf (strtod_rl (str, &pend) * 1000.) == -123);
+ assert (pend - str == 8);
+ }
+
+ return 0;
+}