lib/test_bitmap: add tests for bitmap_parselist_user() (6ea86bdf) · Commits · 戴 / test

lib/test_bitmap.c

+36 −10

Original line number	Diff line number	Diff line
		@@ -11,6 +11,7 @@
		#include <linux/printk.h>
		#include <linux/slab.h>
		#include <linux/string.h>
		#include <linux/uaccess.h>

		#include "../tools/testing/selftests/kselftest_module.h"

		@@ -280,37 +281,61 @@ static const struct test_bitmap_parselist parselist_tests[] __initconst = {
		{-EINVAL, "0-\n", NULL, 8, 0},
		};

		static void __init test_bitmap_parselist(void)
		static void __init __test_bitmap_parselist(int is_user)
		{
		int i;
		int err;
		ktime_t time;
		DECLARE_BITMAP(bmap, 2048);
		char *mode = is_user ? "_user" : "";

		for (i = 0; i < ARRAY_SIZE(parselist_tests); i++) {
		#define ptest parselist_tests[i]

		if (is_user) {
		mm_segment_t orig_fs = get_fs();
		size_t len = strlen(ptest.in);

		set_fs(KERNEL_DS);
		time = ktime_get();
		err = bitmap_parselist_user(ptest.in, len,
		bmap, ptest.nbits);
		time = ktime_get() - time;
		set_fs(orig_fs);
		} else {
		time = ktime_get();
		err = bitmap_parselist(ptest.in, bmap, ptest.nbits);
		time = ktime_get() - time;
		}

		if (err != ptest.errno) {
		pr_err("test %d: input is %s, errno is %d, expected %d\n",
		i, ptest.in, err, ptest.errno);
		pr_err("parselist%s: %d: input is %s, errno is %d, expected %d\n",
		mode, i, ptest.in, err, ptest.errno);
		continue;
		}

		if (!err && ptest.expected
		&& !__bitmap_equal(bmap, ptest.expected, ptest.nbits)) {
		pr_err("test %d: input is %s, result is 0x%lx, expected 0x%lx\n",
		i, ptest.in, bmap[0], *ptest.expected);
		pr_err("parselist%s: %d: input is %s, result is 0x%lx, expected 0x%lx\n",
		mode, i, ptest.in, bmap[0],
		*ptest.expected);
		continue;
		}

		if (ptest.flags & PARSE_TIME)
		pr_err("test %d: input is '%s' OK, Time: %llu\n",
		i, ptest.in, time);
		pr_err("parselist%s: %d: input is '%s' OK, Time: %llu\n",
		mode, i, ptest.in, time);
		}
		}

		static void __init test_bitmap_parselist(void)
		{
		__test_bitmap_parselist(0);
		}

		static void __init test_bitmap_parselist_user(void)
		{
		__test_bitmap_parselist(1);
		}

		#define EXP_BYTES (sizeof(exp) * 8)
		@@ -385,6 +410,7 @@ static void __init selftest(void)
		test_copy();
		test_bitmap_arr32();
		test_bitmap_parselist();
		test_bitmap_parselist_user();
		test_mem_optimisations();
		}

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