Imported Upstream version 0.9.1upstream/0.9.1

1 files changed, 214 insertions, 0 deletions

diff --git a/tests/unicase/test-u32-casefold.c b/tests/unicase/test-u32-casefold.c
new file mode 100644
index 00000000..d48e8dc8
--- /dev/null
+++ b/tests/unicase/test-u32-casefold.c
@@ -0,0 +1,214 @@
+/* Test of casefolding mapping for UTF-32 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 uint32_t *input, size_t input_length,
+       const char *iso639_language, uninorm_t nf,
+       const uint32_t *expected, size_t expected_length)
+{
+  size_t length;
+  uint32_t *result;
+
+  /* Test return conventions with resultbuf == NULL.  */
+  result = u32_casefold (input, input_length, iso639_language, nf, NULL, &length);
+  if (!(result != NULL))
+    return 1;
+  if (!(length == expected_length))
+    return 2;
+  if (!(u32_cmp (result, expected, expected_length) == 0))
+    return 3;
+  free (result);
+
+  /* Test return conventions with resultbuf too small.  */
+  if (expected_length > 0)
+    {
+      uint32_t *preallocated;
+
+      length = expected_length - 1;
+      preallocated = (uint32_t *) malloc (length * sizeof (uint32_t));
+      result = u32_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 (!(u32_cmp (result, expected, expected_length) == 0))
+	return 7;
+      free (result);
+      free (preallocated);
+    }
+
+  /* Test return conventions with resultbuf large enough.  */
+  {
+    uint32_t *preallocated;
+
+    length = expected_length;
+    preallocated = (uint32_t *) malloc (length * sizeof (uint32_t));
+    result = u32_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 (!(u32_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 uint32_t input[] =
+      { 'G', 'r', 0x00FC, 0x00DF, ' ', 'G', 'o', 't', 't', '.', ' ',
+	0x0417, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
+	0x0439, 0x0442, 0x0435, '!', ' ',
+	'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
+	'-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
+	0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
+      };
+    static const uint32_t casefolded[] =
+      { 'g', 'r', 0x00FC, 0x0073, 0x0073, ' ', 'g', 'o', 't', 't', '.', ' ',
+	0x0437, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
+	0x0439, 0x0442, 0x0435, '!', ' ',
+	'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
+	'-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
+	0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\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 uint32_t input[]      = { 0x0149 };
+    static const uint32_t casefolded[] = { 0x02BC, 0x006E };
+    ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
+  }
+  { /* GREEK SMALL LETTER IOTA WITH DIALYTIKA AND TONOS */
+    static const uint32_t input[]      = { 0x0390 };
+    static const uint32_t casefolded[] = { 0x03B9, 0x0308, 0x0301 };
+    ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
+  }
+
+  /* Turkish letters i İ ı I */
+  { /* LATIN CAPITAL LETTER I */
+    static const uint32_t input[]         = { 0x0049 };
+    static const uint32_t casefolded[]    = { 0x0069 };
+    static const uint32_t casefolded_tr[] = { 0x0131 };
+    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 uint32_t input[]      = { 0x0069 };
+    static const uint32_t casefolded[] = { 0x0069 };
+    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 uint32_t input[]         = { 0x0130 };
+    static const uint32_t casefolded[]    = { 0x0069, 0x0307 };
+    static const uint32_t casefolded_tr[] = { 0x0069 };
+    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 uint32_t input[]      = { 0x0131 };
+    static const uint32_t casefolded[] = { 0x0131 };
+    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 uint32_t input[] =
+      { 0x0074, 0x006F, 0x0070, 0x006B, 0x0061, 0x0070, 0x0131 };
+    static const uint32_t casefolded[] =
+      { 0x0074, 0x006F, 0x0070, 0x006B, 0x0061, 0x0070, 0x0131 };
+    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 uint32_t input[]      = { 0x0068, 0x0065, 0x0069, 0x00DF };
+    static const uint32_t casefolded[] = { 0x0068, 0x0065, 0x0069, 0x0073, 0x0073 };
+    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 uint32_t input[] =
+      {
+	0x03C0, 0x03B5, 0x03C1, 0x03B9, 0x03C3, 0x03C3, 0x03CC, 0x03C4,
+	0x03B5, 0x03C1, 0x03B5, 0x03C2, 0x0020, 0x03C0, 0x03BB, 0x03B7,
+	0x03C1, 0x03BF, 0x03C6, 0x03BF, 0x03C1, 0x03AF, 0x03B5, 0x03C2
+      };
+    static const uint32_t casefolded[] =
+      {
+	0x03C0, 0x03B5, 0x03C1, 0x03B9, 0x03C3, 0x03C3, 0x03CC, 0x03C4,
+	0x03B5, 0x03C1, 0x03B5, 0x03C3, 0x0020, 0x03C0, 0x03BB, 0x03B7,
+	0x03C1, 0x03BF, 0x03C6, 0x03BF, 0x03C1, 0x03AF, 0x03B5, 0x03C3
+      };
+    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 uint32_t input[]                 = { 0x01F0, 0x0323 };
+    static const uint32_t casefolded[]            = { 0x006A, 0x030C, 0x0323 };
+    static const uint32_t casefolded_decomposed[] = { 0x006A, 0x0323, 0x030C };
+    static const uint32_t casefolded_normalized[] = { 0x01F0, 0x0323 };
+    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;
+}