Add SPDX license identifiers to source files under the LGPL

[thirdparty/systemd.git] / src / test / test-util.c

diff --git a/src/test/test-util.c b/src/test/test-util.c
index e177612a9f5531bf951c16043010a57285fb34b5..2124511bf02a051b7b984546c6c8ba4488fc22e0 100644 (file)
--- a/src/test/test-util.c
+++ b/src/test/test-util.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
   This file is part of systemd.
 
@@ -104,6 +105,11 @@ static void test_max(void) {
         assert_se(CLAMP(CLAMP(0, -10, 10), CLAMP(-5, 10, 20), CLAMP(100, -5, 20)) == 10);
 }
 
+#pragma GCC diagnostic push
+#ifdef __clang__
+#  pragma GCC diagnostic ignored "-Waddress-of-packed-member"
+#endif
+
 static void test_container_of(void) {
         struct mytype {
                 uint8_t pad1[3];
@@ -122,6 +128,8 @@ static void test_container_of(void) {
                                v1) == &myval);
 }
 
+#pragma GCC diagnostic pop
+
 static void test_div_round_up(void) {
         int div;
 
@@ -195,50 +203,6 @@ static void test_log2i(void) {
         assert_se(log2i(INT_MAX) == sizeof(int)*8-2);
 }
 
-static void test_execute_directory(void) {
-        char template_lo[] = "/tmp/test-readlink_and_make_absolute-lo.XXXXXXX";
-        char template_hi[] = "/tmp/test-readlink_and_make_absolute-hi.XXXXXXX";
-        const char * dirs[] = {template_hi, template_lo, NULL};
-        const char *name, *name2, *name3, *overridden, *override, *masked, *mask;
-
-        assert_se(mkdtemp(template_lo));
-        assert_se(mkdtemp(template_hi));
-
-        name = strjoina(template_lo, "/script");
-        name2 = strjoina(template_hi, "/script2");
-        name3 = strjoina(template_lo, "/useless");
-        overridden = strjoina(template_lo, "/overridden");
-        override = strjoina(template_hi, "/overridden");
-        masked = strjoina(template_lo, "/masked");
-        mask = strjoina(template_hi, "/masked");
-
-        assert_se(write_string_file(name, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/it_works", WRITE_STRING_FILE_CREATE) == 0);
-        assert_se(write_string_file(name2, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/it_works2", WRITE_STRING_FILE_CREATE) == 0);
-        assert_se(write_string_file(overridden, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed", WRITE_STRING_FILE_CREATE) == 0);
-        assert_se(write_string_file(override, "#!/bin/sh\necho 'Executing '$0", WRITE_STRING_FILE_CREATE) == 0);
-        assert_se(write_string_file(masked, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed", WRITE_STRING_FILE_CREATE) == 0);
-        assert_se(symlink("/dev/null", mask) == 0);
-        assert_se(chmod(name, 0755) == 0);
-        assert_se(chmod(name2, 0755) == 0);
-        assert_se(chmod(overridden, 0755) == 0);
-        assert_se(chmod(override, 0755) == 0);
-        assert_se(chmod(masked, 0755) == 0);
-        assert_se(touch(name3) >= 0);
-
-        execute_directories(dirs, DEFAULT_TIMEOUT_USEC, NULL);
-
-        assert_se(chdir(template_lo) == 0);
-        assert_se(access("it_works", F_OK) >= 0);
-        assert_se(access("failed", F_OK) < 0);
-
-        assert_se(chdir(template_hi) == 0);
-        assert_se(access("it_works2", F_OK) >= 0);
-        assert_se(access("failed", F_OK) < 0);
-
-        (void) rm_rf(template_lo, REMOVE_ROOT|REMOVE_PHYSICAL);
-        (void) rm_rf(template_hi, REMOVE_ROOT|REMOVE_PHYSICAL);
-}
-
 static void test_raw_clone(void) {
         pid_t parent, pid, pid2;
 
@@ -308,7 +272,43 @@ static void test_physical_memory_scale(void) {
 
         /* overflow */
         assert_se(physical_memory_scale(UINT64_MAX/4, UINT64_MAX) == UINT64_MAX);
+}
+
+static void test_system_tasks_max(void) {
+        uint64_t t;
+
+        t = system_tasks_max();
+        assert_se(t > 0);
+        assert_se(t < UINT64_MAX);
+
+        log_info("Max tasks: %" PRIu64, t);
+}
+
+static void test_system_tasks_max_scale(void) {
+        uint64_t t;
+
+        t = system_tasks_max();
+
+        assert_se(system_tasks_max_scale(0, 100) == 0);
+        assert_se(system_tasks_max_scale(100, 100) == t);
+
+        assert_se(system_tasks_max_scale(0, 1) == 0);
+        assert_se(system_tasks_max_scale(1, 1) == t);
+        assert_se(system_tasks_max_scale(2, 1) == 2*t);
+
+        assert_se(system_tasks_max_scale(0, 2) == 0);
+        assert_se(system_tasks_max_scale(1, 2) == t/2);
+        assert_se(system_tasks_max_scale(2, 2) == t);
+        assert_se(system_tasks_max_scale(3, 2) == (3*t)/2);
+        assert_se(system_tasks_max_scale(4, 2) == t*2);
+
+        assert_se(system_tasks_max_scale(0, UINT32_MAX) == 0);
+        assert_se(system_tasks_max_scale((UINT32_MAX-1)/2, UINT32_MAX-1) == t/2);
+        assert_se(system_tasks_max_scale(UINT32_MAX, UINT32_MAX) == t);
+
+        /* overflow */
 
+        assert_se(system_tasks_max_scale(UINT64_MAX/4, UINT64_MAX) == UINT64_MAX);
 }
 
 int main(int argc, char *argv[]) {
@@ -323,10 +323,11 @@ int main(int argc, char *argv[]) {
         test_protect_errno();
         test_in_set();
         test_log2i();
-        test_execute_directory();
         test_raw_clone();
         test_physical_memory();
         test_physical_memory_scale();
+        test_system_tasks_max();
+        test_system_tasks_max_scale();
 
         return 0;
 }