edit_distance: calculate edit distance between strings

[ccan] / ccan / edit_distance / test / run-types-short.c

diff --git a/ccan/edit_distance/test/run-types-short.c b/ccan/edit_distance/test/run-types-short.c
new file mode 100644 (file)
index 0000000..8092203
--- /dev/null
+++ b/ccan/edit_distance/test/run-types-short.c
@@ -0,0 +1,40 @@
+/** @file
+ * Runnable tests for the edit_distance module using custom element and
+ * distance types.
+ *
+ * @copyright 2016 Kevin Locke <kevin@kevinlocke.name>
+ *            MIT license - see LICENSE file for details
+ */
+
+#include <limits.h>            /* USHRT_MAX */
+
+#include <ccan/array_size/array_size.h>
+#include <ccan/tap/tap.h>
+
+#define ed_elem unsigned short
+#define ed_dist short
+#define ED_HASH_ELEM(e) e
+#define ED_HASH_MAX USHRT_MAX
+
+#include <ccan/edit_distance/edit_distance.c>
+#include <ccan/edit_distance/edit_distance_dl.c>
+#include <ccan/edit_distance/edit_distance_lcs.c>
+#include <ccan/edit_distance/edit_distance_lev.c>
+#include <ccan/edit_distance/edit_distance_rdl.c>
+
+int main(void)
+{
+       const unsigned short src[] = { 0, 1, 2, 3 };
+       const unsigned short tgt[] = { 4, 2, 1, 5 };
+       ed_size slen = ARRAY_SIZE(src);
+       ed_size tlen = ARRAY_SIZE(tgt);
+
+       plan_tests(4);
+
+       ok1(edit_distance(src, slen, tgt, tlen, EDIT_DISTANCE_LCS) == 6);
+       ok1(edit_distance(src, slen, tgt, tlen, EDIT_DISTANCE_LEV) == 4);
+       ok1(edit_distance(src, slen, tgt, tlen, EDIT_DISTANCE_RDL) == 3);
+       ok1(edit_distance(src, slen, tgt, tlen, EDIT_DISTANCE_DL) == 3);
+
+       return exit_status();
+}