C++: Add tests for a few string-related classes.

Author: MathiasVP

cpp/ql/test/library-tests/dataflow/taint-tests/atl.cpp

@@ -1210,3 +1210,33 @@ void test_CStringT() {
   sink(s1.TrimRight("abc").GetString()); // $ ir
   sink(s1.TrimRight().GetString()); // $ ir
 }
+
+struct CStringData {
+  void* data() throw();
+};
+
+void test_CStringData() {
+  CStringData d = source<CStringData>();
+  sink(d.data()); // $ MISSING: ir
+}
+
+template<typename TCharType>
+struct CStrBufT {
+  typedef CSimpleStringT<TCharType> StringType;
+
+  using PCXSTR = typename StringType::PCXSTR;
+  using PXSTR = typename StringType::PXSTR;
+
+  CStrBufT(StringType& str, int nMinLength, DWORD dwFlags);
+  CStrBufT(StringType& str);
+
+  operator PCXSTR() const throw();
+  operator PXSTR() throw();
+};
+
+void test_CStrBufT() {
+  CStringT<char> s = source<CStringT<char>>();
+  CStrBufT<char> b(s, 42, 0);
+  sink(static_cast<CStrBufT<char>::PCXSTR>(b)); // $ MISSING: ir
+  sink(static_cast<CStrBufT<char>::PXSTR>(b)); // $ MISSING: ir
+}

cpp/ql/test/library-tests/dataflow/taint-tests/localTaint.expected

@@ -1293,6 +1293,13 @@ WARNING: module 'TaintTracking' has been deprecated and may be removed in future
 | atl.cpp:1210:8:1210:9 | ref arg s1 | atl.cpp:1211:8:1211:9 | s1 |  |
 | atl.cpp:1210:8:1210:9 | ref arg s1 | atl.cpp:1212:1:1212:1 | s1 |  |
 | atl.cpp:1211:8:1211:9 | ref arg s1 | atl.cpp:1212:1:1212:1 | s1 |  |
+| atl.cpp:1219:19:1219:37 | call to source | atl.cpp:1220:8:1220:8 | d |  |
+| atl.cpp:1238:22:1238:43 | call to source | atl.cpp:1239:20:1239:20 | s |  |
+| atl.cpp:1238:22:1238:43 | call to source | atl.cpp:1242:1:1242:1 | s |  |
+| atl.cpp:1239:20:1239:20 | ref arg s | atl.cpp:1242:1:1242:1 | s |  |
+| atl.cpp:1239:20:1239:28 | call to CStrBufT | atl.cpp:1240:44:1240:44 | b |  |
+| atl.cpp:1239:20:1239:28 | call to CStrBufT | atl.cpp:1241:43:1241:43 | b |  |
+| atl.cpp:1240:44:1240:44 | ref arg b | atl.cpp:1241:43:1241:43 | b |  |
 | bsd.cpp:17:11:17:16 | call to source | bsd.cpp:20:18:20:18 | s |  |
 | bsd.cpp:18:12:18:15 | addr | bsd.cpp:20:22:20:25 | addr |  |
 | bsd.cpp:18:12:18:15 | addr | bsd.cpp:23:8:23:11 | addr |  |

cpp/ql/test/library-tests/dataflow/taint-tests/test_mad-signatures.expected

@@ -1100,6 +1100,11 @@ getParameterTypeName
 | atl.cpp:1091:13:1091:20 | TrimLeft | 0 | PCXSTR |
 | atl.cpp:1093:13:1093:21 | TrimRight | 0 | XCHAR |
 | atl.cpp:1094:13:1094:21 | TrimRight | 0 | PCXSTR |
+| atl.cpp:1214:8:1214:8 | operator= | 0 | CStringData && |
+| atl.cpp:1214:8:1214:8 | operator= | 0 | const CStringData & |
+| atl.cpp:1230:3:1230:10 | CStrBufT | 0 | StringType & |
+| atl.cpp:1230:3:1230:10 | CStrBufT | 1 | int |
+| atl.cpp:1230:3:1230:10 | CStrBufT | 2 | DWORD |
 | bsd.cpp:6:8:6:8 | operator= | 0 | const sockaddr & |
 | bsd.cpp:6:8:6:8 | operator= | 0 | sockaddr && |
 | bsd.cpp:12:5:12:10 | accept | 0 | int |