clang-tidy module: add tests for cmsys::fstream check

Co-Authored-by: Kyle Edwards <kyle.edwards@kitware.com>

Utilities/ClangTidyModule/Tests/CMakeLists.txt

@@ -11,3 +11,4 @@ function(add_run_clang_tidy_test check_name)
 endfunction()
 
 add_run_clang_tidy_test(cmake-use-cmstrlen)
+add_run_clang_tidy_test(cmake-use-cmsys-fstream)

Utilities/ClangTidyModule/Tests/cmake-use-cmsys-fstream-fixit.cxx

@@ -0,0 +1,81 @@
+#include <fstream>
+#include <vector>
+
+namespace cmsys {
+using std::ifstream;
+using std::ofstream;
+using std::fstream;
+}
+
+namespace ns {
+using std::ifstream;
+using std::ofstream;
+using std::fstream;
+
+namespace ns {
+using std::ifstream;
+using std::ofstream;
+using std::fstream;
+}
+
+class cl
+{
+public:
+  using ifstream = cmsys::ifstream;
+  using ofstream = cmsys::ofstream;
+  using fstream = cmsys::fstream;
+};
+
+using ifs = cmsys::ifstream;
+using ofs = cmsys::ofstream;
+using fs = cmsys::fstream;
+}
+
+int main()
+{
+  using std::ifstream;
+  using std::ofstream;
+  using std::fstream;
+
+  // Correction needed
+  cmsys::ifstream ifsUnqual;
+  cmsys::ifstream ifsQual;
+  cmsys::ifstream ifsNS;
+  cmsys::ifstream ifsNested;
+  cmsys::ifstream ifsClass;
+  cmsys::ifstream ifsRenamed;
+
+  cmsys::ofstream ofsUnqual;
+  cmsys::ofstream ofsQual;
+  cmsys::ofstream ofsNS;
+  cmsys::ofstream ofsNested;
+  cmsys::ofstream ofsClass;
+  cmsys::ofstream ofsRenamed;
+
+  cmsys::fstream fsUnqual;
+  cmsys::fstream fsQual;
+  cmsys::fstream fsNS;
+  cmsys::fstream fsNested;
+  cmsys::fstream fsClass;
+  cmsys::fstream fsRenamed;
+
+  cmsys::ifstream::off_type offsetQual = 0;
+  cmsys::ifstream::off_type offsetUnqual = 0;
+  cmsys::ifstream::off_type offsetNS = 0;
+  cmsys::ifstream::off_type offsetNested = 0;
+  cmsys::ifstream::traits_type::off_type offsetTraitsNested = 0;
+  cmsys::ifstream::traits_type::off_type offsetTraitsClass = 0;
+
+  std::vector<cmsys::ifstream> ifsVectorUnqual;
+
+  // No correction needed
+  cmsys::ifstream ifsCmsys;
+  cmsys::ofstream ofsCmsys;
+  cmsys::fstream fsCmsys;
+  cmsys::ifstream::off_type offsetCmsys = 0;
+  cmsys::ifstream::traits_type::off_type offsetTraitsCmsys = 0;
+  std::vector<cmsys::ifstream> ifsVectorCmsys;
+  std::basic_ifstream<wchar_t> ifsWchar;
+
+  return 0;
+}

Utilities/ClangTidyModule/Tests/cmake-use-cmsys-fstream-stdout.txt

@@ -0,0 +1,155 @@
+cmake-use-cmsys-fstream.cxx:24:20: warning: use cmsys::ifstream [cmake-use-cmsys-fstream]
+  using ifstream = std::ifstream;
+                   ^~~~~~~~~~~~~
+                   cmsys::ifstream
+cmake-use-cmsys-fstream.cxx:24:20: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:25:20: warning: use cmsys::ofstream [cmake-use-cmsys-fstream]
+  using ofstream = std::ofstream;
+                   ^~~~~~~~~~~~~
+                   cmsys::ofstream
+cmake-use-cmsys-fstream.cxx:25:20: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:26:19: warning: use cmsys::fstream [cmake-use-cmsys-fstream]
+  using fstream = std::fstream;
+                  ^~~~~~~~~~~~
+                  cmsys::fstream
+cmake-use-cmsys-fstream.cxx:26:19: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:29:13: warning: use cmsys::ifstream [cmake-use-cmsys-fstream]
+using ifs = std::ifstream;
+            ^~~~~~~~~~~~~
+            cmsys::ifstream
+cmake-use-cmsys-fstream.cxx:29:13: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:30:13: warning: use cmsys::ofstream [cmake-use-cmsys-fstream]
+using ofs = std::ofstream;
+            ^~~~~~~~~~~~~
+            cmsys::ofstream
+cmake-use-cmsys-fstream.cxx:30:13: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:31:12: warning: use cmsys::fstream [cmake-use-cmsys-fstream]
+using fs = std::fstream;
+           ^~~~~~~~~~~~
+           cmsys::fstream
+cmake-use-cmsys-fstream.cxx:31:12: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:41:3: warning: use cmsys::ifstream [cmake-use-cmsys-fstream]
+  ifstream ifsUnqual;
+  ^~~~~~~~
+  cmsys::ifstream
+cmake-use-cmsys-fstream.cxx:41:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:42:3: warning: use cmsys::ifstream [cmake-use-cmsys-fstream]
+  std::ifstream ifsQual;
+  ^~~~~~~~~~~~~
+  cmsys::ifstream
+cmake-use-cmsys-fstream.cxx:42:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:43:3: warning: use cmsys::ifstream [cmake-use-cmsys-fstream]
+  ns::ifstream ifsNS;
+  ^~~~~~~~~~~~
+  cmsys::ifstream
+cmake-use-cmsys-fstream.cxx:43:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:44:3: warning: use cmsys::ifstream [cmake-use-cmsys-fstream]
+  ns::ns::ifstream ifsNested;
+  ^~~~~~~~~~~~~~~~
+  cmsys::ifstream
+cmake-use-cmsys-fstream.cxx:44:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:45:3: warning: use cmsys::ifstream [cmake-use-cmsys-fstream]
+  ns::cl::ifstream ifsClass;
+  ^~~~~~~~~~~~~~~~
+  cmsys::ifstream
+cmake-use-cmsys-fstream.cxx:45:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:46:3: warning: use cmsys::ifstream [cmake-use-cmsys-fstream]
+  ns::ifs ifsRenamed;
+  ^~~~~~~
+  cmsys::ifstream
+cmake-use-cmsys-fstream.cxx:46:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:48:3: warning: use cmsys::ofstream [cmake-use-cmsys-fstream]
+  ofstream ofsUnqual;
+  ^~~~~~~~
+  cmsys::ofstream
+cmake-use-cmsys-fstream.cxx:48:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:49:3: warning: use cmsys::ofstream [cmake-use-cmsys-fstream]
+  std::ofstream ofsQual;
+  ^~~~~~~~~~~~~
+  cmsys::ofstream
+cmake-use-cmsys-fstream.cxx:49:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:50:3: warning: use cmsys::ofstream [cmake-use-cmsys-fstream]
+  ns::ofstream ofsNS;
+  ^~~~~~~~~~~~
+  cmsys::ofstream
+cmake-use-cmsys-fstream.cxx:50:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:51:3: warning: use cmsys::ofstream [cmake-use-cmsys-fstream]
+  ns::ns::ofstream ofsNested;
+  ^~~~~~~~~~~~~~~~
+  cmsys::ofstream
+cmake-use-cmsys-fstream.cxx:51:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:52:3: warning: use cmsys::ofstream [cmake-use-cmsys-fstream]
+  ns::cl::ofstream ofsClass;
+  ^~~~~~~~~~~~~~~~
+  cmsys::ofstream
+cmake-use-cmsys-fstream.cxx:52:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:53:3: warning: use cmsys::ofstream [cmake-use-cmsys-fstream]
+  ns::ofs ofsRenamed;
+  ^~~~~~~
+  cmsys::ofstream
+cmake-use-cmsys-fstream.cxx:53:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:55:3: warning: use cmsys::fstream [cmake-use-cmsys-fstream]
+  fstream fsUnqual;
+  ^~~~~~~
+  cmsys::fstream
+cmake-use-cmsys-fstream.cxx:55:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:56:3: warning: use cmsys::fstream [cmake-use-cmsys-fstream]
+  std::fstream fsQual;
+  ^~~~~~~~~~~~
+  cmsys::fstream
+cmake-use-cmsys-fstream.cxx:56:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:57:3: warning: use cmsys::fstream [cmake-use-cmsys-fstream]
+  ns::fstream fsNS;
+  ^~~~~~~~~~~
+  cmsys::fstream
+cmake-use-cmsys-fstream.cxx:57:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:58:3: warning: use cmsys::fstream [cmake-use-cmsys-fstream]
+  ns::ns::fstream fsNested;
+  ^~~~~~~~~~~~~~~
+  cmsys::fstream
+cmake-use-cmsys-fstream.cxx:58:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:59:3: warning: use cmsys::fstream [cmake-use-cmsys-fstream]
+  ns::ns::fstream fsClass;
+  ^~~~~~~~~~~~~~~
+  cmsys::fstream
+cmake-use-cmsys-fstream.cxx:59:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:60:3: warning: use cmsys::fstream [cmake-use-cmsys-fstream]
+  ns::fs fsRenamed;
+  ^~~~~~
+  cmsys::fstream
+cmake-use-cmsys-fstream.cxx:60:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:62:3: warning: use cmsys::ifstream [cmake-use-cmsys-fstream]
+  std::ifstream::off_type offsetQual = 0;
+  ^~~~~~~~~~~~~
+  cmsys::ifstream
+cmake-use-cmsys-fstream.cxx:62:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:63:3: warning: use cmsys::ifstream [cmake-use-cmsys-fstream]
+  ifstream::off_type offsetUnqual = 0;
+  ^~~~~~~~
+  cmsys::ifstream
+cmake-use-cmsys-fstream.cxx:63:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:64:3: warning: use cmsys::ifstream [cmake-use-cmsys-fstream]
+  ns::ifstream::off_type offsetNS = 0;
+  ^~~~~~~~~~~~
+  cmsys::ifstream
+cmake-use-cmsys-fstream.cxx:64:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:65:3: warning: use cmsys::ifstream [cmake-use-cmsys-fstream]
+  ns::ns::ifstream::off_type offsetNested = 0;
+  ^~~~~~~~~~~~~~~~
+  cmsys::ifstream
+cmake-use-cmsys-fstream.cxx:65:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:66:3: warning: use cmsys::ifstream [cmake-use-cmsys-fstream]
+  ns::ns::ifstream::traits_type::off_type offsetTraitsNested = 0;
+  ^~~~~~~~~~~~~~~~
+  cmsys::ifstream
+cmake-use-cmsys-fstream.cxx:66:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:67:3: warning: use cmsys::ifstream [cmake-use-cmsys-fstream]
+  ns::cl::ifstream::traits_type::off_type offsetTraitsClass = 0;
+  ^~~~~~~~~~~~~~~~
+  cmsys::ifstream
+cmake-use-cmsys-fstream.cxx:67:3: note: FIX-IT applied suggested code changes
+cmake-use-cmsys-fstream.cxx:69:15: warning: use cmsys::ifstream [cmake-use-cmsys-fstream]
+  std::vector<ifstream> ifsVectorUnqual;
+              ^~~~~~~~
+              cmsys::ifstream
+cmake-use-cmsys-fstream.cxx:69:15: note: FIX-IT applied suggested code changes

Utilities/ClangTidyModule/Tests/cmake-use-cmsys-fstream.cxx

@@ -0,0 +1,81 @@
+#include <fstream>
+#include <vector>
+
+namespace cmsys {
+using std::ifstream;
+using std::ofstream;
+using std::fstream;
+}
+
+namespace ns {
+using std::ifstream;
+using std::ofstream;
+using std::fstream;
+
+namespace ns {
+using std::ifstream;
+using std::ofstream;
+using std::fstream;
+}
+
+class cl
+{
+public:
+  using ifstream = std::ifstream;
+  using ofstream = std::ofstream;
+  using fstream = std::fstream;
+};
+
+using ifs = std::ifstream;
+using ofs = std::ofstream;
+using fs = std::fstream;
+}
+
+int main()
+{
+  using std::ifstream;
+  using std::ofstream;
+  using std::fstream;
+
+  // Correction needed
+  ifstream ifsUnqual;
+  std::ifstream ifsQual;
+  ns::ifstream ifsNS;
+  ns::ns::ifstream ifsNested;
+  ns::cl::ifstream ifsClass;
+  ns::ifs ifsRenamed;
+
+  ofstream ofsUnqual;
+  std::ofstream ofsQual;
+  ns::ofstream ofsNS;
+  ns::ns::ofstream ofsNested;
+  ns::cl::ofstream ofsClass;
+  ns::ofs ofsRenamed;
+
+  fstream fsUnqual;
+  std::fstream fsQual;
+  ns::fstream fsNS;
+  ns::ns::fstream fsNested;
+  ns::ns::fstream fsClass;
+  ns::fs fsRenamed;
+
+  std::ifstream::off_type offsetQual = 0;
+  ifstream::off_type offsetUnqual = 0;
+  ns::ifstream::off_type offsetNS = 0;
+  ns::ns::ifstream::off_type offsetNested = 0;
+  ns::ns::ifstream::traits_type::off_type offsetTraitsNested = 0;
+  ns::cl::ifstream::traits_type::off_type offsetTraitsClass = 0;
+
+  std::vector<ifstream> ifsVectorUnqual;
+
+  // No correction needed
+  cmsys::ifstream ifsCmsys;
+  cmsys::ofstream ofsCmsys;
+  cmsys::fstream fsCmsys;
+  cmsys::ifstream::off_type offsetCmsys = 0;
+  cmsys::ifstream::traits_type::off_type offsetTraitsCmsys = 0;
+  std::vector<cmsys::ifstream> ifsVectorCmsys;
+  std::basic_ifstream<wchar_t> ifsWchar;
+
+  return 0;
+}