Added some unit testing for termkey_getkey(3) and friends

t/02getkey.c

@@ -0,0 +1,60 @@
+#include <stdio.h>
+#include "termkey.h"
+#include "taplib.h"
+
+int main(int argc, char *argv[])
+{
+  int        fd[2];
+  TermKey   *tk;
+  TermKeyKey key;
+
+  plan_tests(19);
+
+  pipe(fd);
+
+  /* Sanitise this just in case */
+  putenv("TERM=vt100");
+
+  tk = termkey_new(fd[0], TERMKEY_FLAG_NOTERMIOS);
+
+  is_int(termkey_getkey(tk, &key), TERMKEY_RES_NONE, "getkey yields RES_NONE when empty");
+
+  write(fd[1], "h", 1);
+
+  is_int(termkey_getkey(tk, &key), TERMKEY_RES_NONE, "getkey yields RES_NONE before advisereadable");
+
+  is_int(termkey_advisereadable(tk), TERMKEY_RES_AGAIN, "advisereadable yields RES_AGAIN after h");
+
+  is_int(termkey_getkey(tk, &key), TERMKEY_RES_KEY, "getkey yields RES_KEY after h");
+
+  is_int(key.type,        TERMKEY_TYPE_UNICODE, "key.type after h");
+  is_int(key.code.number, 'h',                  "key.code.number after h");
+  is_int(key.modifiers,   0,                    "key.modifiers after h");
+  is_str(key.utf8,        "h",                  "key.utf8 after h");
+
+  is_int(termkey_getkey(tk, &key), TERMKEY_RES_NONE, "getkey yields RES_NONE a second time");
+
+  write(fd[1], "\x01", 1);
+
+  is_int(termkey_advisereadable(tk), TERMKEY_RES_AGAIN, "advisereadable yields RES_AGAIN after C-a");
+
+  is_int(termkey_getkey(tk, &key), TERMKEY_RES_KEY, "getkey yields RES_KEY after C-a");
+
+  is_int(key.type,        TERMKEY_TYPE_UNICODE, "key.type after C-a");
+  is_int(key.code.number, 'a',                  "key.code.number after C-a");
+  is_int(key.modifiers,   TERMKEY_KEYMOD_CTRL,  "key.modifiers after C-a");
+
+  write(fd[1], "\eOA", 3);
+
+  is_int(termkey_advisereadable(tk), TERMKEY_RES_AGAIN, "advisereadable yields RES_AGAIN after Up");
+
+  is_int(termkey_getkey(tk, &key), TERMKEY_RES_KEY, "getkey yields RES_KEY after Up");
+
+  is_int(key.type,        TERMKEY_TYPE_KEYSYM,  "key.type after Up");
+  is_int(key.code.sym,    TERMKEY_SYM_UP,       "key.code.sym after Up");
+  is_int(key.modifiers,   0,                    "key.modifiers after Up");
+
+  termkey_destroy(tk);
+
+  return exit_status();
+}