Imported Upstream version 0.9.1upstream/0.9.1

1 files changed, 220 insertions, 0 deletions

diff --git a/tests/unicase/test-u8-casefold.c b/tests/unicase/test-u8-casefold.c
new file mode 100644
index 00000000..225b9979
--- /dev/null
+++ b/tests/unicase/test-u8-casefold.c
@@ -0,0 +1,220 @@
+/* Test of casefolding mapping for UTF-8 strings.
+   Copyright (C) 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/>.  */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2009.  */
+
+#include <config.h>
+
+#include "unicase.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "unistr.h"
+#include "uninorm.h"
+
+#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
+#define ASSERT(expr) \
+  do									     \
+    {									     \
+      if (!(expr))							     \
+        {								     \
+          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+          fflush (stderr);						     \
+          abort ();							     \
+        }								     \
+    }									     \
+  while (0)
+
+static int
+check (const uint8_t *input, size_t input_length,
+       const char *iso639_language, uninorm_t nf,
+       const uint8_t *expected, size_t expected_length)
+{
+  size_t length;
+  uint8_t *result;
+
+  /* Test return conventions with resultbuf == NULL.  */
+  result = u8_casefold (input, input_length, iso639_language, nf, NULL, &length);
+  if (!(result != NULL))
+    return 1;
+  if (!(length == expected_length))
+    return 2;
+  if (!(u8_cmp (result, expected, expected_length) == 0))
+    return 3;
+  free (result);
+
+  /* Test return conventions with resultbuf too small.  */
+  if (expected_length > 0)
+    {
+      uint8_t *preallocated;
+
+      length = expected_length - 1;
+      preallocated = (uint8_t *) malloc (length * sizeof (uint8_t));
+      result = u8_casefold (input, input_length, iso639_language, nf, preallocated, &length);
+      if (!(result != NULL))
+	return 4;
+      if (!(result != preallocated))
+	return 5;
+      if (!(length == expected_length))
+	return 6;
+      if (!(u8_cmp (result, expected, expected_length) == 0))
+	return 7;
+      free (result);
+      free (preallocated);
+    }
+
+  /* Test return conventions with resultbuf large enough.  */
+  {
+    uint8_t *preallocated;
+
+    length = expected_length;
+    preallocated = (uint8_t *) malloc (length * sizeof (uint8_t));
+    result = u8_casefold (input, input_length, iso639_language, nf, preallocated, &length);
+    if (!(result != NULL))
+      return 8;
+    if (!(preallocated == NULL || result == preallocated))
+      return 9;
+    if (!(length == expected_length))
+      return 10;
+    if (!(u8_cmp (result, expected, expected_length) == 0))
+      return 11;
+    free (preallocated);
+  }
+
+  return 0;
+}
+
+int
+main ()
+{
+  { /* Empty string.  */
+    ASSERT (check (NULL, 0, NULL, NULL, NULL, 0) == 0);
+    ASSERT (check (NULL, 0, NULL, UNINORM_NFC, NULL, 0) == 0);
+  }
+
+  /* Simple string.  */
+  { /* "Grüß Gott. Здравствуйте! x=(-b±sqrt(b²-4ac))/(2a)  日本語,中文,한글" */
+    static const uint8_t input[] =
+      { 'G', 'r', 0xC3, 0xBC, 0xC3, 0x9F, ' ', 'G', 'o', 't', 't', '.', ' ',
+	0xD0, 0x97, 0xD0, 0xB4, 0xD1, 0x80, 0xD0, 0xB0, 0xD0, 0xB2, 0xD1, 0x81,
+	0xD1, 0x82, 0xD0, 0xB2, 0xD1, 0x83, 0xD0, 0xB9, 0xD1, 0x82, 0xD0, 0xB5,
+	'!', ' ', 'x', '=', '(', '-', 'b', 0xC2, 0xB1, 's', 'q', 'r', 't', '(',
+	'b', 0xC2, 0xB2, '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')',
+	' ', ' ', 0xE6, 0x97, 0xA5, 0xE6, 0x9C, 0xAC, 0xE8, 0xAA, 0x9E, ',',
+	0xE4, 0xB8, 0xAD, 0xE6, 0x96, 0x87, ',',
+	0xED, 0x95, 0x9C, 0xEA, 0xB8, 0x80, '\n'
+      };
+    static const uint8_t casefolded[] =
+      { 'g', 'r', 0xC3, 0xBC, 0x73, 0x73, ' ', 'g', 'o', 't', 't', '.', ' ',
+	0xD0, 0xB7, 0xD0, 0xB4, 0xD1, 0x80, 0xD0, 0xB0, 0xD0, 0xB2, 0xD1, 0x81,
+	0xD1, 0x82, 0xD0, 0xB2, 0xD1, 0x83, 0xD0, 0xB9, 0xD1, 0x82, 0xD0, 0xB5,
+	'!', ' ', 'x', '=', '(', '-', 'b', 0xC2, 0xB1, 's', 'q', 'r', 't', '(',
+	'b', 0xC2, 0xB2, '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')',
+	' ', ' ', 0xE6, 0x97, 0xA5, 0xE6, 0x9C, 0xAC, 0xE8, 0xAA, 0x9E, ',',
+	0xE4, 0xB8, 0xAD, 0xE6, 0x96, 0x87, ',',
+	0xED, 0x95, 0x9C, 0xEA, 0xB8, 0x80, '\n'
+      };
+    ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
+  }
+
+  /* Case mapping can increase the number of Unicode characters.  */
+  { /* LATIN SMALL LETTER N PRECEDED BY APOSTROPHE */
+    static const uint8_t input[]      = { 0xC5, 0x89 };
+    static const uint8_t casefolded[] = { 0xCA, 0xBC, 0x6E };
+    ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
+  }
+  { /* GREEK SMALL LETTER IOTA WITH DIALYTIKA AND TONOS */
+    static const uint8_t input[]      = { 0xCE, 0x90 };
+    static const uint8_t casefolded[] = { 0xCE, 0xB9, 0xCC, 0x88, 0xCC, 0x81 };
+    ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
+  }
+
+  /* Turkish letters i İ ı I */
+  { /* LATIN CAPITAL LETTER I */
+    static const uint8_t input[]         = { 0x49 };
+    static const uint8_t casefolded[]    = { 0x69 };
+    static const uint8_t casefolded_tr[] = { 0xC4, 0xB1 };
+    ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
+    ASSERT (check (input, SIZEOF (input), "tr", NULL, casefolded_tr, SIZEOF (casefolded_tr)) == 0);
+  }
+  { /* LATIN SMALL LETTER I */
+    static const uint8_t input[]      = { 0x69 };
+    static const uint8_t casefolded[] = { 0x69 };
+    ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
+    ASSERT (check (input, SIZEOF (input), "tr", NULL, casefolded, SIZEOF (casefolded)) == 0);
+  }
+  { /* LATIN CAPITAL LETTER I WITH DOT ABOVE */
+    static const uint8_t input[]         = { 0xC4, 0xB0 };
+    static const uint8_t casefolded[]    = { 0x69, 0xCC, 0x87 };
+    static const uint8_t casefolded_tr[] = { 0x69 };
+    ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
+    ASSERT (check (input, SIZEOF (input), "tr", NULL, casefolded_tr, SIZEOF (casefolded_tr)) == 0);
+  }
+  { /* LATIN SMALL LETTER DOTLESS I */
+    static const uint8_t input[]      = { 0xC4, 0xB1 };
+    static const uint8_t casefolded[] = { 0xC4, 0xB1 };
+    ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
+    ASSERT (check (input, SIZEOF (input), "tr", NULL, casefolded, SIZEOF (casefolded)) == 0);
+  }
+  { /* "topkapı" */
+    static const uint8_t input[] =
+      { 0x74, 0x6F, 0x70, 0x6B, 0x61, 0x70, 0xC4, 0xB1 };
+    static const uint8_t casefolded[] =
+      { 0x74, 0x6F, 0x70, 0x6B, 0x61, 0x70, 0xC4, 0xB1 };
+    ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
+    ASSERT (check (input, SIZEOF (input), "tr", NULL, casefolded, SIZEOF (casefolded)) == 0);
+  }
+
+  /* Uppercasing can increase the number of Unicode characters.  */
+  { /* "heiß" */
+    static const uint8_t input[]      = { 0x68, 0x65, 0x69, 0xC3, 0x9F };
+    static const uint8_t casefolded[] = { 0x68, 0x65, 0x69, 0x73, 0x73 };
+    ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
+  }
+
+  /* Case mappings for some characters can depend on the surrounding characters.  */
+  { /* "περισσότερες πληροφορίες" */
+    static const uint8_t input[] =
+      {
+	0xCF, 0x80, 0xCE, 0xB5, 0xCF, 0x81, 0xCE, 0xB9, 0xCF, 0x83, 0xCF, 0x83,
+	0xCF, 0x8C, 0xCF, 0x84, 0xCE, 0xB5, 0xCF, 0x81, 0xCE, 0xB5, 0xCF, 0x82,
+	' ', 0xCF, 0x80, 0xCE, 0xBB, 0xCE, 0xB7, 0xCF, 0x81, 0xCE, 0xBF,
+	0xCF, 0x86, 0xCE, 0xBF, 0xCF, 0x81, 0xCE, 0xAF, 0xCE, 0xB5, 0xCF, 0x82
+      };
+    static const uint8_t casefolded[] =
+      {
+	0xCF, 0x80, 0xCE, 0xB5, 0xCF, 0x81, 0xCE, 0xB9, 0xCF, 0x83, 0xCF, 0x83,
+	0xCF, 0x8C, 0xCF, 0x84, 0xCE, 0xB5, 0xCF, 0x81, 0xCE, 0xB5, 0xCF, 0x83,
+	' ', 0xCF, 0x80, 0xCE, 0xBB, 0xCE, 0xB7, 0xCF, 0x81, 0xCE, 0xBF,
+	0xCF, 0x86, 0xCE, 0xBF, 0xCF, 0x81, 0xCE, 0xAF, 0xCE, 0xB5, 0xCF, 0x83
+      };
+    ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
+  }
+
+  /* Case mapping can require subsequent normalization.  */
+  { /* LATIN SMALL LETTER J WITH CARON, COMBINING DOT BELOW */
+    static const uint8_t input[]                 = { 0xC7, 0xB0, 0xCC, 0xA3 };
+    static const uint8_t casefolded[]            = { 0x6A, 0xCC, 0x8C, 0xCC, 0xA3 };
+    static const uint8_t casefolded_decomposed[] = { 0x6A, 0xCC, 0xA3, 0xCC, 0x8C };
+    static const uint8_t casefolded_normalized[] = { 0xC7, 0xB0, 0xCC, 0xA3 };
+    ASSERT (check (input, SIZEOF (input), NULL, NULL,        casefolded, SIZEOF (casefolded)) == 0);
+    ASSERT (check (input, SIZEOF (input), NULL, UNINORM_NFD, casefolded_decomposed, SIZEOF (casefolded_decomposed)) == 0);
+    ASSERT (check (input, SIZEOF (input), NULL, UNINORM_NFC, casefolded_normalized, SIZEOF (casefolded_normalized)) == 0);
+  }
+
+  return 0;
+}