Split up increasingly unwieldy lib/test.c into multiple files.

[disorder] / lib / t-casefold.c

diff --git a/lib/t-casefold.c b/lib/t-casefold.c
new file mode 100644 (file)
index 0000000..f86738e
--- /dev/null
+++ b/lib/t-casefold.c
@@ -0,0 +1,85 @@
+/*
+ * This file is part of DisOrder.
+ * Copyright (C) 2005, 2007, 2008 Richard Kettlewell
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+#include "test.h"
+
+void test_casefold(void) {
+  uint32_t c, l;
+  const char *input, *canon_folded, *compat_folded, *canon_expected, *compat_expected;
+
+  fprintf(stderr, "test_casefold\n");
+
+  /* This isn't a very exhaustive test.  Unlike for normalization, there don't
+   * seem to be any public test vectors for these algorithms. */
+  
+  for(c = 1; c < 256; ++c) {
+    input = utf32_to_utf8(&c, 1, 0);
+    canon_folded = utf8_casefold_canon(input, strlen(input), 0);
+    compat_folded = utf8_casefold_compat(input, strlen(input), 0);
+    switch(c) {
+    default:
+      if((c >= 'A' && c <= 'Z')
+        || (c >= 0xC0 && c <= 0xDE && c != 0xD7))
+       l = c ^ 0x20;
+      else
+       l = c;
+      break;
+    case 0xB5:                         /* MICRO SIGN */
+      l = 0x3BC;                       /* GREEK SMALL LETTER MU */
+      break;
+    case 0xDF:                         /* LATIN SMALL LETTER SHARP S */
+      check_string(canon_folded, "ss");
+      check_string(compat_folded, "ss");
+      l = 0;
+      break;
+    }
+    if(l) {
+      uint32_t *d;
+      /* Case-folded data is now normalized */
+      d = utf32_decompose_canon(&l, 1, 0);
+      canon_expected = utf32_to_utf8(d, utf32_len(d), 0);
+      if(strcmp(canon_folded, canon_expected)) {
+       fprintf(stderr, "%s:%d: canon-casefolding %#lx got '%s', expected '%s'\n",
+               __FILE__, __LINE__, (unsigned long)c,
+               format(canon_folded), format(canon_expected));
+       count_error();
+      }
+      ++tests;
+      d = utf32_decompose_compat(&l, 1, 0);
+      compat_expected = utf32_to_utf8(d, utf32_len(d), 0);
+      if(strcmp(compat_folded, compat_expected)) {
+       fprintf(stderr, "%s:%d: compat-casefolding %#lx got '%s', expected '%s'\n",
+               __FILE__, __LINE__, (unsigned long)c,
+               format(compat_folded), format(compat_expected));
+       count_error();
+      }
+      ++tests;
+    }
+  }
+  check_string(utf8_casefold_canon("", 0, 0), "");
+}
+
+/*
+Local Variables:
+c-basic-offset:2
+comment-column:40
+fill-column:79
+indent-tabs-mode:nil
+End:
+*/