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* [gcc r14-4061] libstdc++: Add missing tests for std::basic_filebuf::native_handle()
@ 2023-09-15 23:17 Jonathan Wakely
  0 siblings, 0 replies; only message in thread
From: Jonathan Wakely @ 2023-09-15 23:17 UTC (permalink / raw)
  To: gcc-cvs, libstdc++-cvs

https://gcc.gnu.org/g:6693bd900419862a7df97caa347f8289e88c2fe7

commit r14-4061-g6693bd900419862a7df97caa347f8289e88c2fe7
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Sat Sep 16 00:09:53 2023 +0100

    libstdc++: Add missing tests for std::basic_filebuf::native_handle()
    
    I forgot to 'git add' these files in the commit that added the new
    member function to basic_filebuf.
    
    libstdc++-v3/ChangeLog:
    
            * testsuite/27_io/basic_filebuf/native_handle/char/1.cc: New test.
            * testsuite/27_io/basic_filebuf/native_handle/wchar_t/1.cc: New test.

Diff:
---
 .../27_io/basic_filebuf/native_handle/char/1.cc    | 61 ++++++++++++++++++++++
 .../27_io/basic_filebuf/native_handle/wchar_t/1.cc | 55 +++++++++++++++++++
 2 files changed, 116 insertions(+)

diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/native_handle/char/1.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/native_handle/char/1.cc
new file mode 100644
index 00000000000..749451a4c81
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/native_handle/char/1.cc
@@ -0,0 +1,61 @@
+// { dg-options "-fno-inline" }
+// { dg-do run { target c++26 } }
+// { dg-additional-files "filebuf_members-1.txt" }
+
+#include <fstream>
+
+#ifndef __cpp_lib_fstream_native_handle
+# error "Feature-test macro for fstream_native_handle missing in <fstream>"
+#elif __cpp_lib_fstream_native_handle != 202306L
+# error "Feature-test macro for fstream_native_handle has wrong value in <fstream>"
+#endif
+
+using type = std::basic_filebuf<char>::native_handle_type;
+
+#include <cstdio> // std::fclose(FILE*)
+#if __has_include(<unistd.h>)
+# include <unistd.h> // close(int)
+#endif
+#if __has_include(<handleapi.h>)
+# include <handleapi.h> // CloseHandle(HANDLE)
+#endif
+
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  std::filebuf f;
+  f.open("filebuf_members-1.txt", std::ios::in);
+  type handle = f.native_handle();
+
+  auto native_close = []<typename HandleT>(HandleT handle) {
+    if constexpr (std::is_same_v<HandleT, std::FILE*>)
+      std::fclose(handle); // --enable-cstdio=stdio_pure
+#if __has_include(<unistd.h>)
+    else if constexpr (std::is_same_v<HandleT, int>)
+      ::close(handle); // POSIX
+#endif
+#if __has_include(<handleapi.h>)
+    else if constexpr (std::is_same_v<HandleT, void*>)
+      ::CloseHandle(handle); // Windows
+#endif
+    else
+      VERIFY( false );
+  };
+  native_close(handle);
+
+  try
+  {
+    f.sgetc();
+    VERIFY( false );
+  }
+  catch (const std::ios::failure&)
+  {
+  }
+}
+
+int main()
+{
+  test01();
+}
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/native_handle/wchar_t/1.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/native_handle/wchar_t/1.cc
new file mode 100644
index 00000000000..7ee5e4e8f53
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/native_handle/wchar_t/1.cc
@@ -0,0 +1,55 @@
+// { dg-options "-fno-inline" }
+// { dg-do run { target c++26 } }
+// { dg-additional-files "filebuf_members-1.txt" }
+
+#include <fstream>
+
+using type = std::basic_filebuf<wchar_t>::native_handle_type;
+
+#include <cstdio> // std::fclose(FILE*)
+#if __has_include(<unistd.h>)
+# include <unistd.h> // close(int)
+#endif
+#if __has_include(<handleapi.h>)
+# include <handleapi.h> // CloseHandle(HANDLE)
+#endif
+
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  std::wfilebuf f;
+  f.open("filebuf_members-1.txt", std::wios::in);
+  type handle = f.native_handle();
+
+  auto native_close = []<typename HandleT>(HandleT handle) {
+    if constexpr (std::is_same_v<HandleT, std::FILE*>)
+      std::fclose(handle); // --enable-cstdio=stdio_pure
+#if __has_include(<unistd.h>)
+    else if constexpr (std::is_same_v<HandleT, int>)
+      ::close(handle); // POSIX
+#endif
+#if __has_include(<handleapi.h>)
+    else if constexpr (std::is_same_v<HandleT, void*>)
+      ::CloseHandle(handle); // Windows
+#endif
+    else
+      VERIFY( false );
+  };
+  native_close(handle);
+
+  try
+  {
+    f.sgetc();
+    VERIFY( false );
+  }
+  catch (const std::ios::failure&)
+  {
+  }
+}
+
+int main()
+{
+  test01();
+}

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