From aa0c99c55c44c131f8f971a3a43178396036e5d5 Mon Sep 17 00:00:00 2001
From: Sean Orner <sorner@albany.edu>
Date: Wed, 16 Nov 2022 14:51:12 -0500
Subject: clang-tidy module: add test for #pragma once check

---
 Utilities/ClangTidyModule/Tests/CMakeLists.txt     |  1 +
 .../Tests/cmake-use-pragma-once-stdout.txt         | 25 ++++++++++++++++++++++
 .../Tests/cmake-use-pragma-once.cxx                |  5 +++++
 .../cmake-use-pragma-once-both-fixit.h             |  8 +++++++
 .../cmake-use-pragma-once-both.h                   | 10 +++++++++
 .../cmake-use-pragma-once-include-guards-fixit.h   |  6 ++++++
 .../cmake-use-pragma-once-include-guards.h         |  9 ++++++++
 .../cmake-use-pragma-once-neither-fixit.h          |  5 +++++
 .../cmake-use-pragma-once-neither.h                |  4 ++++
 .../cmake-use-pragma-once/cmake-use-pragma-once.h  |  6 ++++++
 10 files changed, 79 insertions(+)
 create mode 100644 Utilities/ClangTidyModule/Tests/cmake-use-pragma-once-stdout.txt
 create mode 100644 Utilities/ClangTidyModule/Tests/cmake-use-pragma-once.cxx
 create mode 100644 Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-both-fixit.h
 create mode 100644 Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-both.h
 create mode 100644 Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-include-guards-fixit.h
 create mode 100644 Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-include-guards.h
 create mode 100644 Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-neither-fixit.h
 create mode 100644 Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-neither.h
 create mode 100644 Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once.h

diff --git a/Utilities/ClangTidyModule/Tests/CMakeLists.txt b/Utilities/ClangTidyModule/Tests/CMakeLists.txt
index 5bf0e89..b53d5d2 100644
--- a/Utilities/ClangTidyModule/Tests/CMakeLists.txt
+++ b/Utilities/ClangTidyModule/Tests/CMakeLists.txt
@@ -14,3 +14,4 @@ add_run_clang_tidy_test(cmake-use-cmstrlen)
 add_run_clang_tidy_test(cmake-use-cmsys-fstream)
 add_run_clang_tidy_test(cmake-use-bespoke-enum-class)
 add_run_clang_tidy_test(cmake-ostringstream-use-cmstrcat)
+add_run_clang_tidy_test(cmake-use-pragma-once)
diff --git a/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once-stdout.txt b/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once-stdout.txt
new file mode 100644
index 0000000..e80e4a4
--- /dev/null
+++ b/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once-stdout.txt
@@ -0,0 +1,25 @@
+cmake-use-pragma-once/cmake-use-pragma-once-both.h:1:1: warning: use #pragma once [cmake-use-pragma-once]
+#ifndef BOTH_H
+^~~~~~~~~~~~~~
+cmake-use-pragma-once/cmake-use-pragma-once-both.h:1:1: note: FIX-IT applied suggested code changes
+cmake-use-pragma-once/cmake-use-pragma-once-both.h:2:1: note: FIX-IT applied suggested code changes
+#define BOTH_H
+^
+cmake-use-pragma-once/cmake-use-pragma-once-both.h:10:1: note: FIX-IT applied suggested code changes
+#endif
+^
+cmake-use-pragma-once/cmake-use-pragma-once-include-guards.h:1:1: warning: use #pragma once [cmake-use-pragma-once]
+#ifndef INCLUDE_GUARDS_H
+^~~~~~~~~~~~~~~~~~~~~~~~
+#pragma once
+cmake-use-pragma-once/cmake-use-pragma-once-include-guards.h:1:1: note: FIX-IT applied suggested code changes
+cmake-use-pragma-once/cmake-use-pragma-once-include-guards.h:2:1: note: FIX-IT applied suggested code changes
+#define INCLUDE_GUARDS_H
+^
+cmake-use-pragma-once/cmake-use-pragma-once-include-guards.h:9:1: note: FIX-IT applied suggested code changes
+#endif
+^
+cmake-use-pragma-once/cmake-use-pragma-once-neither.h:1:1: warning: use #pragma once [cmake-use-pragma-once]
+int neither()
+^
+cmake-use-pragma-once/cmake-use-pragma-once-neither.h:1:1: note: FIX-IT applied suggested code changes
diff --git a/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once.cxx b/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once.cxx
new file mode 100644
index 0000000..a571bc1
--- /dev/null
+++ b/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once.cxx
@@ -0,0 +1,5 @@
+#include "cmake-use-pragma-once/cmake-use-pragma-once.h"
+
+#include "cmake-use-pragma-once/cmake-use-pragma-once-both.h"
+#include "cmake-use-pragma-once/cmake-use-pragma-once-include-guards.h"
+#include "cmake-use-pragma-once/cmake-use-pragma-once-neither.h"
diff --git a/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-both-fixit.h b/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-both-fixit.h
new file mode 100644
index 0000000..73c9720
--- /dev/null
+++ b/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-both-fixit.h
@@ -0,0 +1,8 @@
+
+
+#pragma once
+
+int both()
+{
+  return 0;
+}
diff --git a/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-both.h b/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-both.h
new file mode 100644
index 0000000..fdf3cd3
--- /dev/null
+++ b/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-both.h
@@ -0,0 +1,10 @@
+#ifndef BOTH_H
+#define BOTH_H
+#pragma once
+
+int both()
+{
+  return 0;
+}
+
+#endif
diff --git a/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-include-guards-fixit.h b/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-include-guards-fixit.h
new file mode 100644
index 0000000..36461c2
--- /dev/null
+++ b/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-include-guards-fixit.h
@@ -0,0 +1,6 @@
+#pragma once
+
+int includeGuards()
+{
+  return 0;
+}
diff --git a/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-include-guards.h b/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-include-guards.h
new file mode 100644
index 0000000..687306d
--- /dev/null
+++ b/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-include-guards.h
@@ -0,0 +1,9 @@
+#ifndef INCLUDE_GUARDS_H
+#define INCLUDE_GUARDS_H
+
+int includeGuards()
+{
+  return 0;
+}
+
+#endif
diff --git a/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-neither-fixit.h b/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-neither-fixit.h
new file mode 100644
index 0000000..eb5c6dd
--- /dev/null
+++ b/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-neither-fixit.h
@@ -0,0 +1,5 @@
+#pragma once
+int neither()
+{
+  return 0;
+}
diff --git a/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-neither.h b/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-neither.h
new file mode 100644
index 0000000..c779ca0
--- /dev/null
+++ b/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once-neither.h
@@ -0,0 +1,4 @@
+int neither()
+{
+  return 0;
+}
diff --git a/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once.h b/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once.h
new file mode 100644
index 0000000..b0b2ea2
--- /dev/null
+++ b/Utilities/ClangTidyModule/Tests/cmake-use-pragma-once/cmake-use-pragma-once.h
@@ -0,0 +1,6 @@
+#pragma once
+
+int once()
+{
+  return 0;
+}
-- 
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