1 files changed, 91 insertions, 0 deletions
diff --git a/test/test_bn.c b/test/test_bn.c
new file mode 100644
index 0000000..66de22f
--- /dev/null
+++ b/test/test_bn.c
@@ -0,0 +1,91 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "bn/bn.h"
+
+int test_wsliding_ltr() {
+    printf("test_wsliding_ltr: ");
+    bn_t bn;
+    bn_init(&bn);
+    bn_from_int(181, &bn);
+    wsliding_t *ws = bn_wsliding_ltr(&bn, 3);
+    if (ws == NULL) {
+        printf("NULL\n");
+        return 1;
+    }
+    if (ws->length != 6) {
+        printf("Bad length (%li instead of 6)\n", ws->length);
+        return 1;
+    }
+    uint8_t expected[6] = {5, 0, 0, 5, 0, 1};
+    for (int i = 0; i < 6; i++) {
+        if (ws->data[i] != expected[i]) {
+            printf("Bad data (%i instead of %i)\n", ws->data[i], expected[i]);
+            return 1;
+        }
+    }
+    printf("OK\n");
+    bn_clear(&bn);
+    free(ws->data);
+    free(ws);
+    return 0;
+}
+
+int test_wsliding_rtl() {
+    printf("test_wsliding_rtl: ");
+    bn_t bn;
+    bn_init(&bn);
+    bn_from_int(181, &bn);
+    wsliding_t *ws = bn_wsliding_rtl(&bn, 3);
+    if (ws == NULL) {
+        printf("NULL\n");
+        return 1;
+    }
+    if (ws->length != 8) {
+        printf("Bad length (%li instead of 8)\n", ws->length);
+        return 1;
+    }
+    uint8_t expected[8] = {1, 0, 0, 3, 0, 0, 0, 5};
+    for (int i = 0; i < 8; i++) {
+        if (ws->data[i] != expected[i]) {
+            printf("Bad data (%i instead of %i)\n", ws->data[i], expected[i]);
+            return 1;
+        }
+    }
+    printf("OK\n");
+    bn_clear(&bn);
+    free(ws->data);
+    free(ws);
+    return 0;
+}
+
+int test_convert_base() {
+    printf("test_convert_base: ");
+    bn_t bn;
+    bn_init(&bn);
+    bn_from_int(11, &bn);
+    small_base_t *bs = bn_convert_base_small(&bn, 2);
+    if (bs == NULL) {
+        printf("NULL\n");
+        return 1;
+    }
+    if (bs->length != 4) {
+        printf("Bad length (%li instead of 4)\n", bs->length);
+        return 1;
+    }
+    uint8_t expected[4] = {1, 1, 0, 1};
+    for (int i = 0; i < 4; i++) {
+        if (bs->data[i] != expected[i]) {
+            printf("Bad data (%i insead of %i)\n", bs->data[i], expected[i]);
+            return 1;
+        }
+    }
+    printf("OK\n");
+    bn_clear(&bn);
+    free(bs->data);
+    free(bs);
+    return 0;
+}
+
+int main(void) {
+    return test_wsliding_ltr() + test_wsliding_rtl() + test_convert_base();
+}