[PATCH 02/11] add mach_host tests

[Luca Dariz]

---
 tests/test-mach_host.c | 81 ++++++++++++++++++++++++++++++++++++++++++
 tests/user-qemu.mk     |  3 +-
 2 files changed, 83 insertions(+), 1 deletion(-)
 create mode 100644 tests/test-mach_host.c

diff --git a/tests/test-mach_host.c b/tests/test-mach_host.c
new file mode 100644
index 00000000..53f30240
--- /dev/null
+++ b/tests/test-mach_host.c
@@ -0,0 +1,81 @@
+/*
+ *  Copyright (C) 2024 Free Software Foundation
+ *
+ * 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 2 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 the program ; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <testlib.h>
+
+#include <mach_host.user.h>
+
+void test_kernel_version()
+{
+  int err;
+  kernel_version_t kver;
+  err = host_get_kernel_version(mach_host_self(), kver);
+  ASSERT_RET(err, "host_kernel_info");
+  printf("kernel version: %s\n", kver);
+}
+
+void test_host_info()
+{
+  int err;
+  mach_msg_type_number_t count;
+  mach_port_t thishost = mach_host_self();
+
+  host_basic_info_data_t binfo;
+  count = HOST_BASIC_INFO_COUNT;
+  err = host_info(thishost, HOST_BASIC_INFO, (host_info_t)&binfo, &count);
+  ASSERT_RET(err, "host_basic_info");
+  ASSERT(count == HOST_BASIC_INFO_COUNT, "");
+  ASSERT(binfo.max_cpus > 0, "no cpu?");
+  ASSERT(binfo.avail_cpus > 0, "no cpu available?");
+  ASSERT(binfo.memory_size > (1024 * 1024), "memory too low");
+
+  const int maxcpus = 255;
+  int proc_slots[maxcpus];
+  count = maxcpus;
+  err = host_info(thishost, HOST_PROCESSOR_SLOTS, (host_info_t)&proc_slots, 
&count);
+  ASSERT_RET(err, "host_processor_slots");
+  ASSERT((1 <= count) && (count <= maxcpus), "");
+
+  host_sched_info_data_t sinfo;
+  count = HOST_SCHED_INFO_COUNT;
+  err = host_info(thishost, HOST_SCHED_INFO, (host_info_t)&sinfo, &count);
+  ASSERT_RET(err, "host_sched_info");
+  ASSERT(count == HOST_SCHED_INFO_COUNT, "");
+  ASSERT(sinfo.min_timeout < 1000, "timeout unexpectedly high");
+  ASSERT(sinfo.min_quantum < 1000, "quantum unexpectedly high");
+
+  host_load_info_data_t linfo;
+  count = HOST_LOAD_INFO_COUNT;
+  err = host_info(thishost, HOST_LOAD_INFO, (host_info_t)&linfo, &count);
+  ASSERT_RET(err, "host_load_info");
+  ASSERT(count == HOST_LOAD_INFO_COUNT, "");
+  for (int i=0; i<3; i++)
+  {
+      printf("avenrun %d\n", linfo.avenrun[i]);
+      printf("mach_factor %d\n", linfo.mach_factor[i]);
+  }
+}
+
+// TODO processor sets
+
+int main(int argc, char *argv[], int envc, char *envp[])
+{
+  test_kernel_version();
+  test_host_info();
+  return 0;
+}
diff --git a/tests/user-qemu.mk b/tests/user-qemu.mk
index 78775938..8b338241 100644
--- a/tests/user-qemu.mk
+++ b/tests/user-qemu.mk
@@ -195,7 +195,8 @@ clean-test-%:
 
 
 USER_TESTS := \
-       tests/test-hello
+       tests/test-hello \
+       tests/test-mach_host
 
 USER_TESTS_CLEAN = $(subst tests/,clean-,$(USER_TESTS))
 
-- 
2.39.2