Merge topic 'update-kwsys'

3ef5dab010 cmSystemTools: Simplify using KWSys Status
ec1b6157cb Update CMake code using KWSys to account for Status return values
eef585efaa Merge branch 'upstream-KWSys' into update-kwsys
a790167101 KWSys 2021-04-14 (7ab1c601)

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Ben Boeckel <ben.boeckel@kitware.com>
Merge-request: !6004

1 files changed, 117 insertions, 0 deletions

diff --git a/Source/kwsys/testStatus.cxx b/Source/kwsys/testStatus.cxx
new file mode 100644
index 0000000..f85ef42
--- /dev/null
+++ b/Source/kwsys/testStatus.cxx
@@ -0,0 +1,117 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+file Copyright.txt or https://cmake.org/licensing#kwsys for details.  */
+#include "kwsysPrivate.h"
+#include KWSYS_HEADER(Status.hxx)
+
+// Work-around CMake dependency scanning limitation.  This must
+// duplicate the above list of headers.
+#if 0
+#  include "Status.hxx.in"
+#endif
+
+#include <cerrno>
+#include <iostream>
+
+#ifdef _WIN32
+#  include <windows.h>
+#endif
+
+int testStatus(int, char* [])
+{
+  bool res = true;
+  {
+    kwsys::Status status;
+    if (status.GetKind() != kwsys::Status::Kind::Success) {
+      std::cerr << "Status default constructor does not produce Success\n";
+      res = false;
+    }
+
+    status = kwsys::Status::Success();
+    if (status.GetKind() != kwsys::Status::Kind::Success) {
+      std::cerr << "Status Success constructor does not produce Success\n";
+      res = false;
+    }
+    if (!status) {
+      std::cerr << "Status Success kind is not true\n";
+      res = false;
+    }
+    if (status.GetPOSIX() != 0) {
+      std::cerr << "Status Success kind does not return POSIX 0\n";
+      res = false;
+    }
+#ifdef _WIN32
+    if (status.GetWindows() != 0) {
+      std::cerr << "Status Success kind does not return Windows 0\n";
+      res = false;
+    }
+#endif
+    if (status.GetString() != "Success") {
+      std::cerr << "Status Success kind does not return \"Success\" string\n";
+      res = false;
+    }
+
+    status = kwsys::Status::POSIX(EINVAL);
+    if (status.GetKind() != kwsys::Status::Kind::POSIX) {
+      std::cerr << "Status POSIX constructor does not produce POSIX\n";
+      res = false;
+    }
+    if (status) {
+      std::cerr << "Status POSIX kind is not false\n";
+      res = false;
+    }
+    if (status.GetPOSIX() != EINVAL) {
+      std::cerr << "Status POSIX kind does not preserve POSIX value\n";
+      res = false;
+    }
+#ifdef _WIN32
+    if (status.GetWindows() != 0) {
+      std::cerr << "Status POSIX kind does not return Windows 0\n";
+      res = false;
+    }
+#endif
+    if (status.GetString().empty()) {
+      std::cerr << "Status POSIX kind returns empty string\n";
+      res = false;
+    }
+    errno = ENOENT;
+    status = kwsys::Status::POSIX_errno();
+    if (status.GetPOSIX() != ENOENT) {
+      std::cerr << "Status POSIX_errno did not use errno\n";
+      res = false;
+    }
+    errno = 0;
+
+#ifdef _WIN32
+    status = kwsys::Status::Windows(ERROR_INVALID_PARAMETER);
+    if (status.GetKind() != kwsys::Status::Kind::Windows) {
+      std::cerr << "Status Windows constructor does not produce Windows\n";
+      res = false;
+    }
+    if (status) {
+      std::cerr << "Status Windows kind is not false\n";
+      res = false;
+    }
+    if (status.GetWindows() != ERROR_INVALID_PARAMETER) {
+      std::cerr << "Status Windows kind does not preserve Windows value\n";
+      res = false;
+    }
+    if (status.GetPOSIX() != 0) {
+      std::cerr << "Status Windows kind does not return POSIX 0\n";
+      res = false;
+    }
+    if (status.GetString().empty()) {
+      std::cerr << "Status Windows kind returns empty string\n";
+      res = false;
+    }
+
+    SetLastError(ERROR_FILE_NOT_FOUND);
+    status = kwsys::Status::Windows_GetLastError();
+    if (status.GetWindows() != ERROR_FILE_NOT_FOUND) {
+      std::cerr << "Status Windows_GetLastError did not use GetLastError()\n";
+      res = false;
+    }
+    SetLastError(ERROR_SUCCESS);
+#endif
+  }
+  return res ? 0 : 1;
+}