]> Savannah Git Hosting - gnulib.git/commitdiff
wmemcpy tests: Verify N3322 functionality.
authorBruno Haible <bruno@clisp.org>
Tue, 5 Nov 2024 20:11:25 +0000 (21:11 +0100)
committerBruno Haible <bruno@clisp.org>
Tue, 5 Nov 2024 21:38:34 +0000 (22:38 +0100)
* tests/test-wmemcpy.c: New file.
* modules/wmemcpy-tests: New file.

ChangeLog
modules/wmemcpy-tests [new file with mode: 0644]
tests/test-wmemcpy.c [new file with mode: 0644]

index db888d854aa1e1bb98ed8e09b96e9c86cc3a4910..10ba705752ea5eca7f43c3ff04981d5c70bf9ead 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2024-11-05  Bruno Haible  <bruno@clisp.org>
+
+       wmemcpy tests: Verify N3322 functionality.
+       * tests/test-wmemcpy.c: New file.
+       * modules/wmemcpy-tests: New file.
+
 2024-11-05  Bruno Haible  <bruno@clisp.org>
 
        wcsncpy tests: Verify N3322 functionality.
diff --git a/modules/wmemcpy-tests b/modules/wmemcpy-tests
new file mode 100644 (file)
index 0000000..18ed514
--- /dev/null
@@ -0,0 +1,11 @@
+Files:
+tests/test-wmemcpy.c
+tests/macros.h
+
+Depends-on:
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-wmemcpy
+check_PROGRAMS += test-wmemcpy
diff --git a/tests/test-wmemcpy.c b/tests/test-wmemcpy.c
new file mode 100644 (file)
index 0000000..1f67d4d
--- /dev/null
@@ -0,0 +1,44 @@
+/* Test of wmemcpy() function.
+   Copyright (C) 2024 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include <wchar.h>
+
+#include <stddef.h>
+
+#include "macros.h"
+
+int
+main (void)
+{
+  int volatile value;
+
+  /* Test zero-length operations on NULL pointers, allowed by
+     <https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3322.pdf>.  */
+
+  value = (wmemcpy (NULL, L"x", 0) == NULL);
+  ASSERT (value);
+
+  {
+    wchar_t y[1];
+    value = (wmemcpy (y, NULL, 0) == y);
+    ASSERT (value);
+  }
+
+  return test_exit_status;
+}