I'd like to see the results of the 'physmem' module. This is not easily
possible through coreutils, nor is it convenient to compile a file manually
with -DDEBUG. A unit test is a more automatic way to check the API's results.
2023-08-13 Bruno Haible <br...@clisp.org>
physmem: Add tests.
* tests/test-physmem.c: New file.
* modules/physmem-tests: New file.
>From edd9de933cd491685296d0bb87375670ae8a1302 Mon Sep 17 00:00:00 2001
From: Bruno Haible <br...@clisp.org>
Date: Mon, 14 Aug 2023 00:49:25 +0200
Subject: [PATCH] physmem: Add tests.
* tests/test-physmem.c: New file.
* modules/physmem-tests: New file.
---
ChangeLog | 6 ++++++
modules/physmem-tests | 11 +++++++++++
tests/test-physmem.c | 38 ++++++++++++++++++++++++++++++++++++++
3 files changed, 55 insertions(+)
create mode 100644 modules/physmem-tests
create mode 100644 tests/test-physmem.c
diff --git a/ChangeLog b/ChangeLog
index 35e95693d8..05d4466c77 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2023-08-13 Bruno Haible <br...@clisp.org>
+
+ physmem: Add tests.
+ * tests/test-physmem.c: New file.
+ * modules/physmem-tests: New file.
+
2023-08-13 Bruno Haible <br...@clisp.org>
readutmp, boot-time: Fix warning on glibc 2.30..2.31 on Linux.
diff --git a/modules/physmem-tests b/modules/physmem-tests
new file mode 100644
index 0000000000..c37c41cd7e
--- /dev/null
+++ b/modules/physmem-tests
@@ -0,0 +1,11 @@
+Files:
+tests/test-physmem.c
+tests/macros.h
+
+Depends-on:
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-physmem
+check_PROGRAMS += test-physmem
diff --git a/tests/test-physmem.c b/tests/test-physmem.c
new file mode 100644
index 0000000000..232cc86d12
--- /dev/null
+++ b/tests/test-physmem.c
@@ -0,0 +1,38 @@
+/* Test of getting the amount of total/available physical memory.
+ Copyright (C) 2023 Free Software Foundation, Inc.
+
+ This file 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 file 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/>. */
+
+/* Written by Bruno Haible <br...@clisp.org>, 2023. */
+
+#include <config.h>
+
+#include "physmem.h"
+
+#include <stdio.h>
+
+#include "macros.h"
+
+int
+main (int argc, char *argv[])
+{
+ printf ("Total memory: %12.f B = %6.f MiB\n",
+ physmem_total (), physmem_total () / (1024.0 * 1024.0));
+ printf ("Available memory: %12.f B = %6.f MiB\n",
+ physmem_available (), physmem_available () / (1024.0 * 1024.0));
+ ASSERT (physmem_total () >= physmem_available ());
+ ASSERT (physmem_available () >= 4 * 1024 * 1024);
+
+ return 0;
+}
--
2.34.1
