X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=tests%2Funit%2Flibcommon%2Ftest_smp.c;fp=tests%2Funit%2Flibcommon%2Ftest_smp.c;h=8f9a4042ba1aab0b76eb01d5721e3dee3c06b32f;hb=fe9615ba34edf2deb2b7f7dea935806a94627e9f;hp=0000000000000000000000000000000000000000;hpb=66dbdc3448a77043d0fd59f47b17e77a8d59fddb;p=lttng-ust.git

diff --git a/tests/unit/libcommon/test_smp.c b/tests/unit/libcommon/test_smp.c
new file mode 100644
index 00000000..8f9a4042
--- /dev/null
+++ b/tests/unit/libcommon/test_smp.c
@@ -0,0 +1,84 @@
+/*
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ * Copyright (C) 2020 Francis Deslauriers <francis.deslauriers@efficios.com>
+ */
+
+#include <assert.h>
+#include <limits.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "tap.h"
+
+#include "common/smp.h"
+
+struct parse_test_data {
+	const char *buf;
+	int expected;
+};
+
+static struct parse_test_data parse_test_data[] = {
+	{ "", 0 },
+	{ "abc", 0 },
+	{ ",,,", 0 },
+	{ "--", 0 },
+	{ ",", 0 },
+	{ "-", 0 },
+	{ "2147483647", 0 },
+	{ "18446744073709551615", 0 },
+	{ "0-2147483647", 0 },
+	{ "0-18446744073709551615", 0 },
+	{ "0", 1 },
+	{ "1", 2 },
+	{ "0-1", 2 },
+	{ "1-3", 4 },
+	{ "0,2", 3 },
+	{ "1,2", 3 },
+	{ "0,4-6,127", 128 },
+	{ "0-4095", 4096 },
+
+	{ "\n", 0 },
+	{ "abc\n", 0 },
+	{ ",,,\n", 0 },
+	{ "--\n", 0 },
+	{ ",\n", 0 },
+	{ "-\n", 0 },
+	{ "2147483647\n", 0 },
+	{ "18446744073709551615\n", 0 },
+	{ "0-2147483647\n", 0 },
+	{ "0-18446744073709551615\n", 0 },
+	{ "0\n", 1 },
+	{ "1\n", 2 },
+	{ "0-1\n", 2 },
+	{ "1-3\n", 4 },
+	{ "0,2\n", 3 },
+	{ "1,2\n", 3 },
+	{ "0,4-6,127\n", 128 },
+	{ "0-4095\n", 4096 },
+};
+
+static int parse_test_data_len = sizeof(parse_test_data) / sizeof(parse_test_data[0]);
+
+int main(void)
+{
+	int ret, i;
+
+	plan_tests(parse_test_data_len + 1);
+
+	diag("Testing smp helpers");
+
+	for (i = 0; i < parse_test_data_len; i++) {
+		ret = get_num_possible_cpus_from_mask(parse_test_data[i].buf,
+				strlen(parse_test_data[i].buf));
+		ok(ret == parse_test_data[i].expected,
+			"get_num_possible_cpus_from_mask '%s', expected: '%d', result: '%d'",
+			parse_test_data[i].buf, parse_test_data[i].expected, ret);
+	}
+
+	ok(num_possible_cpus() > 0, "num_possible_cpus (%d > 0)", num_possible_cpus());
+
+	return exit_status();
+}