C++: Add more preprocessor tests

Author: jketema

cpp/ql/test/library-tests/preprocessor/preprocessor/pp23.cpp

@@ -0,0 +1,15 @@
+// semmle-extractor-options: -std=c++23
+
+#define BAR
+
+#ifdef FOO
+#warning C++23 1
+#elifdef BAR
+#warning C++23 2
+#endif
+
+#ifdef FOO
+#warning C++23 3
+#elifndef FOO
+#warning C++23 3
+#endif

cpp/ql/test/library-tests/preprocessor/preprocessor/ppms.cpp

@@ -0,0 +1,3 @@
+// semmle-extractor-options: --microsoft
+
+#import "test.tlb"

cpp/ql/test/library-tests/preprocessor/preprocessor/preproc.expected

@@ -1,4 +1,13 @@
 | a.h:0:0:0:0 | a.h | 1 | 1 | 1 | 19 | IncludeNext | "a.h" | N/A |
+| pp23.cpp:0:0:0:0 | pp23.cpp | 3 | 1 | 3 | 11 | Macro | BAR |  |
+| pp23.cpp:0:0:0:0 | pp23.cpp | 5 | 1 | 5 | 10 | PreprocessorIfdef | FOO | N/A |
+| pp23.cpp:0:0:0:0 | pp23.cpp | 7 | 1 | 7 | 12 | PreprocessorElif | BAR | N/A |
+| pp23.cpp:0:0:0:0 | pp23.cpp | 8 | 1 | 8 | 16 | PreprocessorWarning | C++23 2 | N/A |
+| pp23.cpp:0:0:0:0 | pp23.cpp | 9 | 1 | 9 | 6 | PreprocessorEndif | N/A | N/A |
+| pp23.cpp:0:0:0:0 | pp23.cpp | 11 | 1 | 11 | 10 | PreprocessorIfdef | FOO | N/A |
+| pp23.cpp:0:0:0:0 | pp23.cpp | 13 | 1 | 13 | 13 | PreprocessorElif | FOO | N/A |
+| pp23.cpp:0:0:0:0 | pp23.cpp | 14 | 1 | 14 | 16 | PreprocessorWarning | C++23 3 | N/A |
+| pp23.cpp:0:0:0:0 | pp23.cpp | 15 | 1 | 15 | 6 | PreprocessorEndif | N/A | N/A |
 | pp.cpp:0:0:0:0 | pp.cpp | 1 | 1 | 1 | 16 | PreprocessorIf | defined(FOO) | N/A |
 | pp.cpp:0:0:0:0 | pp.cpp | 3 | 1 | 3 | 19 | PreprocessorElif | !defined(BAR) | N/A |
 | pp.cpp:0:0:0:0 | pp.cpp | 4 | 1 | 4 | 11 | Macro | BAR |  |
@@ -40,3 +49,5 @@
 | pp.h:0:0:0:0 | pp.h | 7 | 1 | 11 | 8 | Macro | MULTILINE | world a long |
 | pp.h:0:0:0:0 | pp.h | 13 | 1 | 14 | 11 | PreprocessorUndef | MULTILINE | N/A |
 | pp.h:0:0:0:0 | pp.h | 16 | 1 | 17 | 8 | Include | "pp.h" | N/A |
+| test.tlh:0:0:0:0 | test.tlh | 1 | 1 | 1 | 12 | PreprocessorPragma | once | N/A |
+| test.tlh:0:0:0:0 | test.tlh | 3 | 1 | 3 | 21 | PreprocessorWarning | type library | N/A |

cpp/ql/test/library-tests/preprocessor/preprocessor/test.tlh

@@ -0,0 +1,3 @@
+#pragma once
+
+#warning type library