simple search.h tests

[libc-test] / src / functional / search_hsearch.c

diff --git a/src/functional/search_hsearch.c b/src/functional/search_hsearch.c
new file mode 100644 (file)
index 0000000..0bd6529
--- /dev/null
+++ b/src/functional/search_hsearch.c
@@ -0,0 +1,48 @@
+#include <stdlib.h>
+#include <string.h>
+#include <search.h>
+#include <errno.h>
+#include "test.h"
+
+#define set(k,v) do{ \
+       e = hsearch((ENTRY){.key = k, .data = (void*)v}, ENTER); \
+       if (!e || strcmp(e->key, k) != 0) \
+               t_error("hsearch ENTER %s %d failed\n", k, v); \
+}while(0)
+
+#define get(k) hsearch((ENTRY){.key = k, .data = 0}, FIND)
+
+int main()
+{
+       ENTRY *e;
+
+       if (hcreate(-1) || errno != ENOMEM)
+               t_error("hcreate((size_t)-1) should fail with ENOMEM got %s\n", strerror(errno));
+       if (!hcreate(13))
+               t_error("hcreate(13) failed\n");
+       set("", 0);
+       set("a", 1);
+       set("b", 2);
+       set("abc", 3);
+       set("cd", 4);
+       set("e", 5);
+       set("ef", 6);
+       set("g", 7);
+       set("h", 8);
+       set("iiiiiiiiii", 9);
+       if (!get("a"))
+               t_error("hsearch FIND a failed\n");
+       if (get("c"))
+               t_error("hsearch FIND c should fail\n");
+       set("g", 10);
+       if (e && (int)(e->data) != 7)
+               t_error("hsearch ENTER g 10 returned data %d, wanted 7\n", (int)(e->data));
+       set("g", 10);
+       if (e && (int)(e->data) != 7)
+               t_error("hsearch ENTER g 10 returned data %d, wanted 7\n", (int)(e->data));
+       set("j", 10);
+       if (e && (int)(e->data) != 10)
+               t_error("hsearch ENTER j 10 returned data %d, wanted 10\n", (int)(e->data));
+       hdestroy();
+       return t_status;
+}