C++: Add a test.

cpp/ql/test/library-tests/security/encryption/test.cpp

@@ -0,0 +1,12 @@
+
+void des_function(); // insecure
+void function_using_des(); // insecure
+void EncryptWithDES(); // insecure
+
+void aes_function(); // secure
+void function_using_aes(); // secure
+void EncryptionWithAES(); // secure
+
+void abc_function();
+void function_using_abc();
+void EncryptionWithABC();

cpp/ql/test/library-tests/security/encryption/test.expected

@@ -0,0 +1,9 @@
+| test.cpp:2:6:2:17 | des_function | getInsecureAlgorithmRegex |
+| test.cpp:3:6:3:23 | function_using_des | getInsecureAlgorithmRegex |
+| test.cpp:4:6:4:19 | EncryptWithDES | getInsecureAlgorithmRegex |
+| test.cpp:6:6:6:17 | aes_function | getSecureAlgorithmRegex |
+| test.cpp:7:6:7:23 | function_using_aes | getSecureAlgorithmRegex |
+| test.cpp:8:6:8:22 | EncryptionWithAES | getSecureAlgorithmRegex |
+| test.cpp:10:6:10:17 | abc_function |  |
+| test.cpp:11:6:11:23 | function_using_abc |  |
+| test.cpp:12:6:12:22 | EncryptionWithABC |  |

cpp/ql/test/library-tests/security/encryption/test.ql

@@ -0,0 +1,14 @@
+import default
+import semmle.code.cpp.security.Encryption
+
+string describe(Function f) {
+  f.getName().regexpMatch(getSecureAlgorithmRegex()) and
+  result = "getSecureAlgorithmRegex"
+  or
+  f.getName().regexpMatch(getInsecureAlgorithmRegex()) and
+  result = "getInsecureAlgorithmRegex"
+}
+
+from Function f
+where exists(f.getLocation().getFile())
+select f, concat(describe(f), ", ")