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-rw-r--r--tests/uniname/test-uninames.c261
1 files changed, 261 insertions, 0 deletions
diff --git a/tests/uniname/test-uninames.c b/tests/uniname/test-uninames.c
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+/* Test the Unicode character name functions.
+ Copyright (C) 2000-2003, 2005, 2007, 2009 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "xalloc.h"
+#include "uniname.h"
+#include "progname.h"
+
+/* The names according to the UnicodeData.txt file, modified to contain the
+ Hangul syllable names, as described in the Unicode 3.0 book. */
+const char * unicode_names [0x110000];
+
+/* Maximum length of a field in the UnicodeData.txt file. */
+#define FIELDLEN 120
+
+/* Reads the next field from STREAM. The buffer BUFFER has size FIELDLEN.
+ Reads up to (but excluding) DELIM.
+ Returns 1 when a field was successfully read, otherwise 0. */
+static int
+getfield (FILE *stream, char *buffer, int delim)
+{
+ int count = 0;
+ int c;
+
+ for (; (c = getc (stream)), (c != EOF && c != delim); )
+ {
+ /* Put c into the buffer. */
+ if (++count >= FIELDLEN - 1)
+ {
+ fprintf (stderr, "field too long\n");
+ exit (EXIT_FAILURE);
+ }
+ *buffer++ = c;
+ }
+
+ if (c == EOF)
+ return 0;
+
+ *buffer = '\0';
+ return 1;
+}
+
+/* Stores in unicode_names[] the relevant contents of the UnicodeData.txt
+ file. */
+static void
+fill_names (const char *unicodedata_filename)
+{
+ unsigned int i;
+ FILE *stream;
+ char field0[FIELDLEN];
+ char field1[FIELDLEN];
+ int lineno = 0;
+
+ for (i = 0; i < 0x110000; i++)
+ unicode_names[i] = NULL;
+
+ stream = fopen (unicodedata_filename, "r");
+ if (stream == NULL)
+ {
+ fprintf (stderr, "error during fopen of '%s'\n", unicodedata_filename);
+ exit (EXIT_FAILURE);
+ }
+
+ for (;;)
+ {
+ int n;
+ int c;
+
+ lineno++;
+ n = getfield (stream, field0, ';');
+ n += getfield (stream, field1, ';');
+ if (n == 0)
+ break;
+ if (n != 2)
+ {
+ fprintf (stderr, "short line in '%s':%d\n",
+ unicodedata_filename, lineno);
+ exit (EXIT_FAILURE);
+ }
+ for (; (c = getc (stream)), (c != EOF && c != '\n'); )
+ ;
+ i = strtoul (field0, NULL, 16);
+ if (i >= 0x110000)
+ {
+ fprintf (stderr, "index too large\n");
+ exit (EXIT_FAILURE);
+ }
+ unicode_names[i] = xstrdup (field1);
+ }
+ if (ferror (stream) || fclose (stream))
+ {
+ fprintf (stderr, "error reading from '%s'\n", unicodedata_filename);
+ exit (1);
+ }
+}
+
+/* Perform an exhaustive test of the unicode_character_name function. */
+static int
+test_name_lookup ()
+{
+ int error = 0;
+ unsigned int i;
+ char buf[UNINAME_MAX];
+
+ for (i = 0; i < 0x11000; i++)
+ {
+ char *result = unicode_character_name (i, buf);
+
+ if (unicode_names[i] != NULL)
+ {
+ if (result == NULL)
+ {
+ fprintf (stderr, "\\u%04X name lookup failed!\n", i);
+ error = 1;
+ }
+ else if (strcmp (result, unicode_names[i]) != 0)
+ {
+ fprintf (stderr, "\\u%04X name lookup returned wrong name: %s\n",
+ i, result);
+ error = 1;
+ }
+ }
+ else
+ {
+ if (result != NULL)
+ {
+ fprintf (stderr, "\\u%04X name lookup returned wrong name: %s\n",
+ i, result);
+ error = 1;
+ }
+ }
+ }
+
+ for (i = 0x110000; i < 0x1000000; i++)
+ {
+ char *result = unicode_character_name (i, buf);
+
+ if (result != NULL)
+ {
+ fprintf (stderr, "\\u%04X name lookup returned wrong name: %s\n",
+ i, result);
+ error = 1;
+ }
+ }
+
+ return error;
+}
+
+/* Perform a test of the unicode_name_character function. */
+static int
+test_inverse_lookup ()
+{
+ int error = 0;
+ unsigned int i;
+
+ /* First, verify all valid character names are recognized. */
+ for (i = 0; i < 0x110000; i++)
+ if (unicode_names[i] != NULL)
+ {
+ unsigned int result = unicode_name_character (unicode_names[i]);
+ if (result != i)
+ {
+ if (result == UNINAME_INVALID)
+ fprintf (stderr, "inverse name lookup of \"%s\" failed\n",
+ unicode_names[i]);
+ else
+ fprintf (stderr,
+ "inverse name lookup of \"%s\" returned 0x%04X\n",
+ unicode_names[i], result);
+ error = 1;
+ }
+ }
+
+ /* Second, generate random but likely names and verify they are not
+ recognized unless really valid. */
+ for (i = 0; i < 10000; i++)
+ {
+ unsigned int i1, i2;
+ const char *s1;
+ const char *s2;
+ unsigned int l1, l2, j1, j2;
+ char buf[2*UNINAME_MAX];
+ unsigned int result;
+
+ do i1 = ((rand () % 0x11) << 16)
+ + ((rand () & 0xff) << 8)
+ + (rand () & 0xff);
+ while (unicode_names[i1] == NULL);
+
+ do i2 = ((rand () % 0x11) << 16)
+ + ((rand () & 0xff) << 8)
+ + (rand () & 0xff);
+ while (unicode_names[i2] == NULL);
+
+ s1 = unicode_names[i1];
+ l1 = strlen (s1);
+ s2 = unicode_names[i2];
+ l2 = strlen (s2);
+
+ /* Concatenate a starting piece of s1 with an ending piece of s2. */
+ for (j1 = 1; j1 <= l1; j1++)
+ if (j1 == l1 || s1[j1] == ' ')
+ for (j2 = 0; j2 < l2; j2++)
+ if (j2 == 0 || s2[j2-1] == ' ')
+ {
+ memcpy (buf, s1, j1);
+ buf[j1] = ' ';
+ memcpy (buf + j1 + 1, s2 + j2, l2 - j2 + 1);
+
+ result = unicode_name_character (buf);
+ if (result != UNINAME_INVALID
+ && !(unicode_names[result] != NULL
+ && strcmp (unicode_names[result], buf) == 0))
+ {
+ fprintf (stderr,
+ "inverse name lookup of \"%s\" returned 0x%04X\n",
+ unicode_names[i], result);
+ error = 1;
+ }
+ }
+ }
+
+ /* Third, some extreme case that used to loop. */
+ if (unicode_name_character ("A A") != UNINAME_INVALID)
+ error = 1;
+
+ return error;
+}
+
+int
+main (int argc, char *argv[])
+{
+ int error = 0;
+
+ set_program_name (argv[0]);
+
+ fill_names (argv[1]);
+
+ error |= test_name_lookup ();
+ error |= test_inverse_lookup ();
+
+ return error;
+}