lib: Move KUnit tests into tests/ subdirectory

Following from the recent KUnit file naming discussion[1], move all
KUnit tests in lib/ into lib/tests/.

Link: https://lore.kernel.org/lkml/20240720165441.it.320-kees@kernel.org/ [1]
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: David Gow <davidgow@google.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Rae Moar <rmoar@google.com>
Link: https://lore.kernel.org/r/20241202075545.3648096-4-davidgow@google.com
Signed-off-by: Kees Cook <kees@kernel.org>

1 files changed, 0 insertions, 157 deletions

diff --git a/lib/cmdline_kunit.c b/lib/cmdline_kunit.c
deleted file mode 100644
index c1602f797637..000000000000
--- a/lib/cmdline_kunit.c
+++ /dev/null
@@ -1,157 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Test cases for API provided by cmdline.c
- */
-
-#include <kunit/test.h>
-#include <linux/kernel.h>
-#include <linux/random.h>
-#include <linux/string.h>
-
-static const char *cmdline_test_strings[] = {
-	"\"\"", ""  , "=" , "\"-", ","    , "-,"   , ",-"   , "-" ,
-	"+,"  , "--", ",,", "''" , "\"\",", "\",\"", "-\"\"", "\"",
-};
-
-static const int cmdline_test_values[] = {
-	1, 1, 1, 1, 2, 3, 2, 3,
-	1, 3, 2, 1, 1, 1, 3, 1,
-};
-
-static_assert(ARRAY_SIZE(cmdline_test_strings) == ARRAY_SIZE(cmdline_test_values));
-
-static const char *cmdline_test_range_strings[] = {
-	"-7" , "--7"  , "-1-2"    , "7--9",
-	"7-" , "-7--9", "7-9,"    , "9-7" ,
-	"5-a", "a-5"  , "5-8"     , ",8-5",
-	"+,1", "-,4"  , "-3,0-1,6", "4,-" ,
-	" +2", " -9"  , "0-1,-3,6", "- 9" ,
-};
-
-static const int cmdline_test_range_values[][16] = {
-	{ 1, -7, }, { 0, -0, }, { 4, -1, 0, +1, 2, }, { 0, 7, },
-	{ 0, +7, }, { 0, -7, }, { 3, +7, 8, +9, 0, }, { 0, 9, },
-	{ 0, +5, }, { 0, -0, }, { 4, +5, 6, +7, 8, }, { 0, 0, },
-	{ 0, +0, }, { 0, -0, }, { 4, -3, 0, +1, 6, }, { 1, 4, },
-	{ 0, +0, }, { 0, -0, }, { 4, +0, 1, -3, 6, }, { 0, 0, },
-};
-
-static_assert(ARRAY_SIZE(cmdline_test_range_strings) == ARRAY_SIZE(cmdline_test_range_values));
-
-static void cmdline_do_one_test(struct kunit *test, const char *in, int rc, int offset)
-{
-	const char *fmt = "Pattern: %s";
-	const char *out = in;
-	int dummy;
-	int ret;
-
-	ret = get_option((char **)&out, &dummy);
-
-	KUNIT_EXPECT_EQ_MSG(test, ret, rc, fmt, in);
-	KUNIT_EXPECT_PTR_EQ_MSG(test, out, in + offset, fmt, in);
-}
-
-static void cmdline_test_noint(struct kunit *test)
-{
-	unsigned int i = 0;
-
-	do {
-		const char *str = cmdline_test_strings[i];
-		int rc = 0;
-		int offset;
-
-		/* Only first and leading '-' will advance the pointer */
-		offset = !!(*str == '-');
-		cmdline_do_one_test(test, str, rc, offset);
-	} while (++i < ARRAY_SIZE(cmdline_test_strings));
-}
-
-static void cmdline_test_lead_int(struct kunit *test)
-{
-	unsigned int i = 0;
-	char in[32];
-
-	do {
-		const char *str = cmdline_test_strings[i];
-		int rc = cmdline_test_values[i];
-		int offset;
-
-		sprintf(in, "%u%s", get_random_u8(), str);
-		/* Only first '-' after the number will advance the pointer */
-		offset = strlen(in) - strlen(str) + !!(rc == 2);
-		cmdline_do_one_test(test, in, rc, offset);
-	} while (++i < ARRAY_SIZE(cmdline_test_strings));
-}
-
-static void cmdline_test_tail_int(struct kunit *test)
-{
-	unsigned int i = 0;
-	char in[32];
-
-	do {
-		const char *str = cmdline_test_strings[i];
-		/* When "" or "-" the result will be valid integer */
-		int rc = strcmp(str, "") ? (strcmp(str, "-") ? 0 : 1) : 1;
-		int offset;
-
-		sprintf(in, "%s%u", str, get_random_u8());
-		/*
-		 * Only first and leading '-' not followed by integer
-		 * will advance the pointer.
-		 */
-		offset = rc ? strlen(in) : !!(*str == '-');
-		cmdline_do_one_test(test, in, rc, offset);
-	} while (++i < ARRAY_SIZE(cmdline_test_strings));
-}
-
-static void cmdline_do_one_range_test(struct kunit *test, const char *in,
-				      unsigned int n, const int *e)
-{
-	unsigned int i;
-	int r[16];
-	int *p;
-
-	memset(r, 0, sizeof(r));
-	get_options(in, ARRAY_SIZE(r), r);
-	KUNIT_EXPECT_EQ_MSG(test, r[0], e[0], "in test %u (parsed) expected %d numbers, got %d",
-			    n, e[0], r[0]);
-	for (i = 1; i < ARRAY_SIZE(r); i++)
-		KUNIT_EXPECT_EQ_MSG(test, r[i], e[i], "in test %u at %u", n, i);
-
-	memset(r, 0, sizeof(r));
-	get_options(in, 0, r);
-	KUNIT_EXPECT_EQ_MSG(test, r[0], e[0], "in test %u (validated) expected %d numbers, got %d",
-			    n, e[0], r[0]);
-
-	p = memchr_inv(&r[1], 0, sizeof(r) - sizeof(r[0]));
-	KUNIT_EXPECT_PTR_EQ_MSG(test, p, NULL, "in test %u at %td out of bound", n, p - r);
-}
-
-static void cmdline_test_range(struct kunit *test)
-{
-	unsigned int i = 0;
-
-	do {
-		const char *str = cmdline_test_range_strings[i];
-		const int *e = cmdline_test_range_values[i];
-
-		cmdline_do_one_range_test(test, str, i, e);
-	} while (++i < ARRAY_SIZE(cmdline_test_range_strings));
-}
-
-static struct kunit_case cmdline_test_cases[] = {
-	KUNIT_CASE(cmdline_test_noint),
-	KUNIT_CASE(cmdline_test_lead_int),
-	KUNIT_CASE(cmdline_test_tail_int),
-	KUNIT_CASE(cmdline_test_range),
-	{}
-};
-
-static struct kunit_suite cmdline_test_suite = {
-	.name = "cmdline",
-	.test_cases = cmdline_test_cases,
-};
-kunit_test_suite(cmdline_test_suite);
-
-MODULE_DESCRIPTION("Test cases for API provided by cmdline.c");
-MODULE_LICENSE("GPL");