X-Git-Url: http://git.lttng.org/?p=userspace-rcu.git;a=blobdiff_plain;f=tests%2Funit%2Ftest_get_max_cpuid_from_mask.c;fp=tests%2Funit%2Ftest_get_max_cpuid_from_mask.c;h=435bb5c6fda55fdfd28d079359ff50050fc5ffc2;hp=0000000000000000000000000000000000000000;hb=4de89c1129d52f0f13b63ec037802e095c506875;hpb=5cfe81b7ddff9543d451746de9965cac58c67182

diff --git a/tests/unit/test_get_max_cpuid_from_mask.c b/tests/unit/test_get_max_cpuid_from_mask.c
new file mode 100644
index 0000000..435bb5c
--- /dev/null
+++ b/tests/unit/test_get_max_cpuid_from_mask.c
@@ -0,0 +1,77 @@
+/*
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ *
+ * Copyright (C) 2022 Michael Jeanson <mjeanson@efficios.com>
+ */
+
+#include <string.h>
+
+#include "tap.h"
+
+#include "compat-smp.h"
+
+struct parse_test_data {
+	const char *buf;
+	int expected;
+};
+
+static struct parse_test_data parse_test_data[] = {
+	{ "", -1 },
+	{ "abc", -1 },
+	{ ",,,", -1 },
+	{ "--", -1 },
+	{ ",", -1 },
+	{ "-", -1 },
+	{ "2147483647", -1 },
+	{ "18446744073709551615", -1 },
+	{ "0-2147483647", -1 },
+	{ "0-18446744073709551615", -1 },
+	{ "0", 0 },
+	{ "1", 1 },
+	{ "0-1", 1 },
+	{ "1-3", 3 },
+	{ "0,2", 2 },
+	{ "1,2", 2 },
+	{ "0,4-6,127", 127 },
+	{ "0-4095", 4095 },
+
+	{ "\n", -1 },
+	{ "abc\n", -1 },
+	{ ",,,\n", -1 },
+	{ "--\n", -1 },
+	{ ",\n", -1 },
+	{ "-\n", -1 },
+	{ "2147483647\n", -1 },
+	{ "18446744073709551615\n", -1 },
+	{ "0-2147483647\n", -1 },
+	{ "0-18446744073709551615\n", -1 },
+	{ "0\n", 0 },
+	{ "1\n", 1 },
+	{ "0-1\n", 1 },
+	{ "1-3\n", 3 },
+	{ "0,2\n", 2 },
+	{ "1,2\n", 2 },
+	{ "0,4-6,127\n", 127 },
+	{ "0-4095\n", 4095 },
+};
+
+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);
+
+	diag("Testing smp helpers");
+
+	for (i = 0; i < parse_test_data_len; i++) {
+		ret = get_max_cpuid_from_mask(parse_test_data[i].buf,
+				strlen(parse_test_data[i].buf));
+		ok(ret == parse_test_data[i].expected,
+			"get_max_cpuid_from_mask '%s', expected: '%d', result: '%d'",
+			parse_test_data[i].buf, parse_test_data[i].expected, ret);
+	}
+
+	return exit_status();
+}