add dependencies to repo

[matrix_esp_thesis] / ext / olm / lib / crypto-algorithms / rot-13_test.c

diff --git a/ext/olm/lib/crypto-algorithms/rot-13_test.c b/ext/olm/lib/crypto-algorithms/rot-13_test.c
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+++ b/ext/olm/lib/crypto-algorithms/rot-13_test.c
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+/*********************************************************************
+* Filename:   rot-13_test.c
+* Author:     Brad Conte (brad AT bradconte.com)
+* Copyright:
+* Disclaimer: This code is presented "as is" without any guarantees.
+* Details:    Performs known-answer tests on the corresponding ROT-13
+                 implementation. These tests do not encompass the full
+                 range of available test vectors, however, if the tests
+                 pass it is very, very likely that the code is correct
+                 and was compiled properly. This code also serves as
+                 example usage of the functions.
+*********************************************************************/
+
+/*************************** HEADER FILES ***************************/
+#include <stdio.h>
+#include <string.h>
+#include "rot-13.h"
+
+/*********************** FUNCTION DEFINITIONS ***********************/
+int rot13_test()
+{
+       char text[] = {"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"};
+       char code[] = {"NOPQRSTUVWXYZABCDEFGHIJKLMnopqrstuvwxyzabcdefghijklm"};
+       char buf[1024];
+       int pass = 1;
+
+       // To encode, just apply ROT-13.
+       strcpy(buf, text);
+       rot13(buf);
+       pass = pass && !strcmp(code, buf);
+
+       // To decode, just re-apply ROT-13.
+       rot13(buf);
+       pass = pass && !strcmp(text, buf);
+
+       return(pass);
+}
+
+int main()
+{
+       printf("ROT-13 tests: %s\n", rot13_test() ? "SUCCEEDED" : "FAILED");
+
+       return(0);
+}