+#include "utils.h"
+
+/*
+ * Test a sequence of keysyms, resulting from a sequence of key presses,
+ * against the keysyms they're supposed to generate.
+ *
+ * - Each test runs with a clean state.
+ * - Each line in the test is made up of:
+ * + A keycode, given as a KEY_* from linux/input.h.
+ * + A direction - DOWN for press, UP for release, BOTH for
+ * immediate press + release, REPEAT to just get the syms.
+ * + A sequence of keysyms that should result from this keypress.
+ *
+ * The vararg format is:
+ * <KEY_*> <DOWN | UP | BOTH> <XKB_KEY_* (zero or more)> <NEXT | FINISH>
+ *
+ * See below for examples.
+ */
+int
+test_key_seq_va(struct xkb_keymap *keymap, va_list ap)
+{
+ struct xkb_state *state;
+
+ xkb_keycode_t kc;
+ int op;
+ xkb_keysym_t keysym;
+
+ const xkb_keysym_t *syms;
+ xkb_keysym_t sym;
+ unsigned int nsyms, i;
+ char ksbuf[64];
+
+ fprintf(stderr, "----\n");
+
+ state = xkb_state_new(keymap);
+ assert(state);
+
+ for (;;) {
+ kc = va_arg(ap, int) + EVDEV_OFFSET;
+ op = va_arg(ap, int);
+
+ nsyms = xkb_state_key_get_syms(state, kc, &syms);
+ if (nsyms == 1) {
+ sym = xkb_state_key_get_one_sym(state, kc);
+ syms = &sym;
+ }
+
+ fprintf(stderr, "got %u syms for keycode %u: [", nsyms, kc);
+
+ if (op == DOWN || op == BOTH)
+ xkb_state_update_key(state, kc, XKB_KEY_DOWN);
+ if (op == UP || op == BOTH)
+ xkb_state_update_key(state, kc, XKB_KEY_UP);
+
+ for (i = 0; i < nsyms; i++) {
+ keysym = va_arg(ap, int);
+ xkb_keysym_get_name(syms[i], ksbuf, sizeof(ksbuf));
+ fprintf(stderr, "%s%s", (i != 0) ? ", " : "", ksbuf);
+
+ if (keysym == FINISH || keysym == NEXT) {
+ xkb_keysym_get_name(syms[i], ksbuf, sizeof(ksbuf));
+ fprintf(stderr, "Did not expect keysym: %s.\n", ksbuf);
+ goto fail;
+ }
+
+ if (keysym != syms[i]) {
+ xkb_keysym_get_name(keysym, ksbuf, sizeof(ksbuf));
+ fprintf(stderr, "Expected keysym: %s. ", ksbuf);;
+ xkb_keysym_get_name(syms[i], ksbuf, sizeof(ksbuf));
+ fprintf(stderr, "Got keysym: %s.\n", ksbuf);;
+ goto fail;
+ }
+ }
+
+ if (nsyms == 0) {
+ keysym = va_arg(ap, int);
+ if (keysym != XKB_KEY_NoSymbol) {
+ xkb_keysym_get_name(keysym, ksbuf, sizeof(ksbuf));
+ fprintf(stderr, "Expected %s, but got no keysyms.\n", ksbuf);
+ goto fail;
+ }
+ }
+
+ fprintf(stderr, "]\n");
+
+ keysym = va_arg(ap, int);
+ if (keysym == NEXT)
+ continue;
+ if (keysym == FINISH)
+ break;
+
+ xkb_keysym_get_name(keysym, ksbuf, sizeof(ksbuf));
+ fprintf(stderr, "Expected keysym: %s. Didn't get it.\n", ksbuf);
+ goto fail;
+ }
+
+ xkb_state_unref(state);
+ return 1;
+
+fail:
+ xkb_state_unref(state);
+ return 0;
+}
+
+int
+test_key_seq(struct xkb_keymap *keymap, ...)
+{
+ va_list ap;
+ int ret;
+
+ va_start(ap, keymap);
+ ret = test_key_seq_va(keymap, ap);
+ va_end(ap);
+
+ return ret;
+}