1 files changed, 42 insertions, 0 deletions

diff --git a/test/080_allowednext/allowednext_tests.c b/test/080_allowednext/allowednext_tests.c
new file mode 100644
index 0000000..98a437f
--- /dev/null
+++ b/test/080_allowednext/allowednext_tests.c
@@ -0,0 +1,42 @@
+#include "../test.h"
+
+bool allowednextmove(uint8_t *, int, uint8_t);
+
+static char *moves[] = {
+        "U", "U2", "U'",
+        "D", "D2", "D'",
+        "R", "R2", "R'",
+        "L", "L2", "L'",
+        "F", "F2", "F'",
+        "B", "B2", "B'",
+};
+
+int main() {
+        char movestr[STRLENMAX];
+        uint8_t m[100], next;
+        int n, i, j;
+
+        fgets(movestr, STRLENMAX, stdin);
+        n = atoi(movestr);
+
+        for (i = 0; i < n; i++) {
+                fgets(movestr, STRLENMAX, stdin);
+                movestr[strcspn(movestr, "\n")] = 0;
+                for (j = 0; j < 18; j++)
+                        if (!strcmp(movestr, moves[j]))
+                                m[i] = j;
+        }
+        fgets(movestr, STRLENMAX, stdin);
+        movestr[strcspn(movestr, "\n")] = 0;
+        for (j = 0; j < 18; j++)
+                if (!strcmp(movestr, moves[j]))
+                        next = j;
+
+        fprintf(stderr, "Last two: %s, %s\nNext: %s\n",
+            n > 1 ? moves[m[n-2]] : "-",
+            n > 0 ? moves[m[n-1]] : "-",
+            moves[next]);
+        printf("%s\n", allowednextmove(m, n, next) ? "true" : "false");
+
+        return 0;
+}