tests: move cpu-set-util related tests to test-cpu-set-util.c

1 files changed, 143 insertions, 0 deletions

diff --git a/src/test/test-cpu-set-util.c b/src/test/test-cpu-set-util.c
new file mode 100644
index 0000000000..8818d1ffb7
--- /dev/null
+++ b/src/test/test-cpu-set-util.c
@@ -0,0 +1,143 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2010 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd 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
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "alloc-util.h"
+#include "cpu-set-util.h"
+#include "macro.h"
+
+static void test_parse_cpu_set(void) {
+        cpu_set_t *c = NULL;
+        int ncpus;
+        int cpu;
+
+        /* Simple range (from CPUAffinity example) */
+        ncpus = parse_cpu_set_and_warn("1 2", &c, NULL, "fake", 1, "CPUAffinity");
+        assert_se(ncpus >= 1024);
+        assert_se(CPU_ISSET_S(1, CPU_ALLOC_SIZE(ncpus), c));
+        assert_se(CPU_ISSET_S(2, CPU_ALLOC_SIZE(ncpus), c));
+        assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 2);
+        c = mfree(c);
+
+        /* A more interesting range */
+        ncpus = parse_cpu_set_and_warn("0 1 2 3 8 9 10 11", &c, NULL, "fake", 1, "CPUAffinity");
+        assert_se(ncpus >= 1024);
+        assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 8);
+        for (cpu = 0; cpu < 4; cpu++)
+                assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c));
+        for (cpu = 8; cpu < 12; cpu++)
+                assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c));
+        c = mfree(c);
+
+        /* Quoted strings */
+        ncpus = parse_cpu_set_and_warn("8 '9' 10 \"11\"", &c, NULL, "fake", 1, "CPUAffinity");
+        assert_se(ncpus >= 1024);
+        assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 4);
+        for (cpu = 8; cpu < 12; cpu++)
+                assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c));
+        c = mfree(c);
+
+        /* Use commas as separators */
+        ncpus = parse_cpu_set_and_warn("0,1,2,3 8,9,10,11", &c, NULL, "fake", 1, "CPUAffinity");
+        assert_se(ncpus >= 1024);
+        assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 8);
+        for (cpu = 0; cpu < 4; cpu++)
+                assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c));
+        for (cpu = 8; cpu < 12; cpu++)
+                assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c));
+        c = mfree(c);
+
+        /* Commas with spaces (and trailing comma, space) */
+        ncpus = parse_cpu_set_and_warn("0, 1, 2, 3, 4, 5, 6, 7, ", &c, NULL, "fake", 1, "CPUAffinity");
+        assert_se(ncpus >= 1024);
+        assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 8);
+        for (cpu = 0; cpu < 8; cpu++)
+                assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c));
+        c = mfree(c);
+
+        /* Ranges */
+        ncpus = parse_cpu_set_and_warn("0-3,8-11", &c, NULL, "fake", 1, "CPUAffinity");
+        assert_se(ncpus >= 1024);
+        assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 8);
+        for (cpu = 0; cpu < 4; cpu++)
+                assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c));
+        for (cpu = 8; cpu < 12; cpu++)
+                assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c));
+        c = mfree(c);
+
+        /* Ranges with trailing comma, space */
+        ncpus = parse_cpu_set_and_warn("0-3  8-11, ", &c, NULL, "fake", 1, "CPUAffinity");
+        assert_se(ncpus >= 1024);
+        assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 8);
+        for (cpu = 0; cpu < 4; cpu++)
+                assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c));
+        for (cpu = 8; cpu < 12; cpu++)
+                assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c));
+        c = mfree(c);
+
+        /* Negative range (returns empty cpu_set) */
+        ncpus = parse_cpu_set_and_warn("3-0", &c, NULL, "fake", 1, "CPUAffinity");
+        assert_se(ncpus >= 1024);
+        assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 0);
+        c = mfree(c);
+
+        /* Overlapping ranges */
+        ncpus = parse_cpu_set_and_warn("0-7 4-11", &c, NULL, "fake", 1, "CPUAffinity");
+        assert_se(ncpus >= 1024);
+        assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 12);
+        for (cpu = 0; cpu < 12; cpu++)
+                assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c));
+        c = mfree(c);
+
+        /* Mix ranges and individual CPUs */
+        ncpus = parse_cpu_set_and_warn("0,1 4-11", &c, NULL, "fake", 1, "CPUAffinity");
+        assert_se(ncpus >= 1024);
+        assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 10);
+        assert_se(CPU_ISSET_S(0, CPU_ALLOC_SIZE(ncpus), c));
+        assert_se(CPU_ISSET_S(1, CPU_ALLOC_SIZE(ncpus), c));
+        for (cpu = 4; cpu < 12; cpu++)
+                assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c));
+        c = mfree(c);
+
+        /* Garbage */
+        ncpus = parse_cpu_set_and_warn("0 1 2 3 garbage", &c, NULL, "fake", 1, "CPUAffinity");
+        assert_se(ncpus < 0);
+        assert_se(!c);
+
+        /* Range with garbage */
+        ncpus = parse_cpu_set_and_warn("0-3 8-garbage", &c, NULL, "fake", 1, "CPUAffinity");
+        assert_se(ncpus < 0);
+        assert_se(!c);
+
+        /* Empty string */
+        c = NULL;
+        ncpus = parse_cpu_set_and_warn("", &c, NULL, "fake", 1, "CPUAffinity");
+        assert_se(ncpus == 0);  /* empty string returns 0 */
+        assert_se(!c);
+
+        /* Runnaway quoted string */
+        ncpus = parse_cpu_set_and_warn("0 1 2 3 \"4 5 6 7 ", &c, NULL, "fake", 1, "CPUAffinity");
+        assert_se(ncpus < 0);
+        assert_se(!c);
+}
+
+int main(int argc, char *argv[]) {
+        test_parse_cpu_set();
+
+        return 0;
+}