Rename common to gdbsupport

[deliverable/binutils-gdb.git] / gdb / unittests / scoped_mmap-selftests.c

diff --git a/gdb/unittests/scoped_mmap-selftests.c b/gdb/unittests/scoped_mmap-selftests.c
index ece3d7a18ac28fa69fdbc50a1a0b584a61593151..37d91ae1f25f413c5f7e92f35715d5846326aa65 100644 (file)
--- a/gdb/unittests/scoped_mmap-selftests.c
+++ b/gdb/unittests/scoped_mmap-selftests.c
@@ -1,6 +1,6 @@
 /* Self tests for scoped_mmap for GDB, the GNU debugger.
 
-   Copyright (C) 2018 Free Software Foundation, Inc.
+   Copyright (C) 2018-2019 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -19,12 +19,14 @@
 
 #include "defs.h"
 
-#include "common/scoped_mmap.h"
+#include "gdbsupport/filestuff.h"
+#include "gdbsupport/scoped_mmap.h"
 #include "config.h"
 
-#if defined(HAVE_SYS_MMAN_H) && defined(HAVE_UNISTD_H)
+#if defined(HAVE_SYS_MMAN_H)
 
-#include "selftest.h"
+#include "gdbsupport/selftest.h"
+#include "gdbsupport/gdb_unlinker.h"
 
 #include <unistd.h>
 
@@ -78,15 +80,68 @@ run_tests ()
 }
 
 } /* namespace scoped_mmap */
+
+namespace mmap_file
+{
+
+/* Test the standard usage of mmap_file.  */
+static void
+test_normal ()
+{
+  char filename[] = "scoped_mmapped_file-selftest-XXXXXX";
+  int fd = gdb_mkostemp_cloexec (filename);
+  SELF_CHECK (fd >= 0);
+
+  SELF_CHECK (write (fd, "Hello!", 7) == 7);
+  close (fd);
+
+  gdb::unlinker unlink_test_file (filename);
+
+  {
+    ::scoped_mmap m = ::mmap_file (filename);
+
+    SELF_CHECK (m.get () != MAP_FAILED);
+    SELF_CHECK (m.size () == 7);
+    SELF_CHECK (0 == strcmp ((char *) m.get (), "Hello!"));
+  }
+}
+
+/* Calling mmap_file with a non-existent file should throw an exception.  */
+static void
+test_invalid_filename ()
+{
+  bool threw = false;
+
+  try {
+      ::scoped_mmap m = ::mmap_file ("/this/file/should/not/exist");
+  } catch (gdb_exception &e) {
+      threw = true;
+  }
+
+  SELF_CHECK (threw);
+}
+
+
+/* Run selftests.  */
+static void
+run_tests ()
+{
+  test_normal ();
+  test_invalid_filename ();
+}
+
+} /* namespace mmap_file */
 } /* namespace selftests */
 
-#endif /* !defined(HAVE_SYS_MMAN_H) || !defined(HAVE_UNISTD_H) */
+#endif /* !defined(HAVE_SYS_MMAN_H) */
 
 void
 _initialize_scoped_mmap_selftests ()
 {
-#if defined(HAVE_SYS_MMAN_H) && defined(HAVE_UNISTD_H)
+#if defined(HAVE_SYS_MMAN_H)
   selftests::register_test ("scoped_mmap",
                            selftests::scoped_mmap::run_tests);
+  selftests::register_test ("mmap_file",
+                           selftests::mmap_file::run_tests);
 #endif
 }