Provide termkey_keycmp() for sorting purposes

t/13cmpkey.c

@@ -0,0 +1,50 @@
+#include "../termkey.h"
+#include "taplib.h"
+
+int main(int argc, char *argv[])
+{
+  TermKey   *tk;
+  TermKeyKey key1, key2;
+
+  plan_tests(10);
+
+  tk = termkey_new(0, TERMKEY_FLAG_NOTERMIOS);
+
+  key1.type = TERMKEY_TYPE_UNICODE;
+  key1.code.codepoint = 'A';
+  key1.modifiers = 0;
+
+  is_int(termkey_keycmp(tk, &key1, &key1), 0, "cmpkey same structure");
+
+  key2.type = TERMKEY_TYPE_UNICODE;
+  key2.code.codepoint = 'A';
+  key2.modifiers = 0;
+
+  is_int(termkey_keycmp(tk, &key1, &key2), 0, "cmpkey identical structure");
+
+  key2.modifiers = TERMKEY_KEYMOD_CTRL;
+
+  ok(termkey_keycmp(tk, &key1, &key2) > 0, "cmpkey orders CTRL after nomod");
+  ok(termkey_keycmp(tk, &key2, &key1) < 0, "cmpkey orders nomod before CTRL");
+
+  key2.code.codepoint = 'B';
+  key2.modifiers = 0;
+
+  ok(termkey_keycmp(tk, &key1, &key2) > 0, "cmpkey orders 'B' after 'A'");
+  ok(termkey_keycmp(tk, &key2, &key1) < 0, "cmpkey orders 'A' before 'B'");
+
+  key1.modifiers = TERMKEY_KEYMOD_CTRL;
+
+  ok(termkey_keycmp(tk, &key1, &key2) > 0, "cmpkey orders nomod 'B' after CTRL 'A'");
+  ok(termkey_keycmp(tk, &key2, &key1) < 0, "cmpkey orders CTRL 'A' before nomod 'B'");
+
+  key2.type = TERMKEY_TYPE_KEYSYM;
+  key2.code.sym = TERMKEY_SYM_UP;
+
+  ok(termkey_keycmp(tk, &key1, &key2) > 0, "cmpkey orders KEYSYM after UNICODE");
+  ok(termkey_keycmp(tk, &key2, &key1) < 0, "cmpkey orders UNICODE before KEYSYM");
+
+  termkey_destroy(tk);
+
+  return exit_status();
+}