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Message-Id: <20250204-printf-kunit-convert-v1-1-ecf1b846a4de@gmail.com>
Date: Tue, 04 Feb 2025 14:36:37 -0500
From: Tamir Duberstein <tamird@...il.com>
To: David Gow <davidgow@...gle.com>, Petr Mladek <pmladek@...e.com>,
Steven Rostedt <rostedt@...dmis.org>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Rasmus Villemoes <linux@...musvillemoes.dk>,
Sergey Senozhatsky <senozhatsky@...omium.org>,
Andrew Morton <akpm@...ux-foundation.org>, Shuah Khan <shuah@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
Tamir Duberstein <tamird@...il.com>
Subject: [PATCH 1/2] printf: convert self-test to KUnit
Convert the printf() self-test to a KUnit test.
In the interest of keeping the patch reasonably-sized this doesn't
refactor the tests into proper parameterized tests - it's all one big
test case.
Signed-off-by: Tamir Duberstein <tamird@...il.com>
---
Documentation/core-api/printk-formats.rst | 2 +-
MAINTAINERS | 2 +-
arch/m68k/configs/amiga_defconfig | 1 -
arch/m68k/configs/apollo_defconfig | 1 -
arch/m68k/configs/atari_defconfig | 1 -
arch/m68k/configs/bvme6000_defconfig | 1 -
arch/m68k/configs/hp300_defconfig | 1 -
arch/m68k/configs/mac_defconfig | 1 -
arch/m68k/configs/multi_defconfig | 1 -
arch/m68k/configs/mvme147_defconfig | 1 -
arch/m68k/configs/mvme16x_defconfig | 1 -
arch/m68k/configs/q40_defconfig | 1 -
arch/m68k/configs/sun3_defconfig | 1 -
arch/m68k/configs/sun3x_defconfig | 1 -
arch/powerpc/configs/ppc64_defconfig | 1 -
lib/Kconfig.debug | 20 +-
lib/Makefile | 2 +-
lib/{test_printf.c => printf_kunit.c} | 522 ++++++++++++++----------------
tools/testing/selftests/lib/config | 1 -
tools/testing/selftests/lib/printf.sh | 4 -
20 files changed, 261 insertions(+), 305 deletions(-)
diff --git a/Documentation/core-api/printk-formats.rst b/Documentation/core-api/printk-formats.rst
index ecccc0473da9..0d9461bd6964 100644
--- a/Documentation/core-api/printk-formats.rst
+++ b/Documentation/core-api/printk-formats.rst
@@ -661,7 +661,7 @@ Do *not* use it from C.
Thanks
======
-If you add other %p extensions, please extend <lib/test_printf.c> with
+If you add other %p extensions, please extend <lib/printf_kunit.c> with
one or more test cases, if at all feasible.
Thank you for your cooperation and attention.
diff --git a/MAINTAINERS b/MAINTAINERS
index 896a307fa065..57e366d356bd 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -25368,7 +25368,7 @@ R: Sergey Senozhatsky <senozhatsky@...omium.org>
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux.git
F: Documentation/core-api/printk-formats.rst
-F: lib/test_printf.c
+F: lib/printf_kunit.c
F: lib/test_scanf.c
F: lib/vsprintf.c
diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig
index dbf2ea561c85..e8c5e08fb6ec 100644
--- a/arch/m68k/configs/amiga_defconfig
+++ b/arch/m68k/configs/amiga_defconfig
@@ -622,7 +622,6 @@ CONFIG_ATOMIC64_SELFTEST=m
CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_TEST_KSTRTOX=m
-CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig
index b0fd199cc0a4..dcaddfc675de 100644
--- a/arch/m68k/configs/apollo_defconfig
+++ b/arch/m68k/configs/apollo_defconfig
@@ -579,7 +579,6 @@ CONFIG_ATOMIC64_SELFTEST=m
CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_TEST_KSTRTOX=m
-CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig
index bb5b2d3b6c10..53a91c62d415 100644
--- a/arch/m68k/configs/atari_defconfig
+++ b/arch/m68k/configs/atari_defconfig
@@ -599,7 +599,6 @@ CONFIG_ATOMIC64_SELFTEST=m
CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_TEST_KSTRTOX=m
-CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig
index 8315a13bab73..ea2f84907c4e 100644
--- a/arch/m68k/configs/bvme6000_defconfig
+++ b/arch/m68k/configs/bvme6000_defconfig
@@ -571,7 +571,6 @@ CONFIG_ATOMIC64_SELFTEST=m
CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_TEST_KSTRTOX=m
-CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig
index 350370657e5f..7b1cc9f597bf 100644
--- a/arch/m68k/configs/hp300_defconfig
+++ b/arch/m68k/configs/hp300_defconfig
@@ -581,7 +581,6 @@ CONFIG_ATOMIC64_SELFTEST=m
CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_TEST_KSTRTOX=m
-CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig
index f942b4755702..831695e766a8 100644
--- a/arch/m68k/configs/mac_defconfig
+++ b/arch/m68k/configs/mac_defconfig
@@ -598,7 +598,6 @@ CONFIG_ATOMIC64_SELFTEST=m
CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_TEST_KSTRTOX=m
-CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig
index b1eaad02efab..901d8d357218 100644
--- a/arch/m68k/configs/multi_defconfig
+++ b/arch/m68k/configs/multi_defconfig
@@ -685,7 +685,6 @@ CONFIG_ATOMIC64_SELFTEST=m
CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_TEST_KSTRTOX=m
-CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig
index 6309a4442bb3..2212bb7877e2 100644
--- a/arch/m68k/configs/mvme147_defconfig
+++ b/arch/m68k/configs/mvme147_defconfig
@@ -571,7 +571,6 @@ CONFIG_ATOMIC64_SELFTEST=m
CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_TEST_KSTRTOX=m
-CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig
index 3feb0731f814..a87b455049e8 100644
--- a/arch/m68k/configs/mvme16x_defconfig
+++ b/arch/m68k/configs/mvme16x_defconfig
@@ -572,7 +572,6 @@ CONFIG_ATOMIC64_SELFTEST=m
CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_TEST_KSTRTOX=m
-CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig
index ea04b1b0da7d..411e555c7e07 100644
--- a/arch/m68k/configs/q40_defconfig
+++ b/arch/m68k/configs/q40_defconfig
@@ -588,7 +588,6 @@ CONFIG_ATOMIC64_SELFTEST=m
CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_TEST_KSTRTOX=m
-CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig
index f52d9af92153..e095fa159d05 100644
--- a/arch/m68k/configs/sun3_defconfig
+++ b/arch/m68k/configs/sun3_defconfig
@@ -568,7 +568,6 @@ CONFIG_ATOMIC64_SELFTEST=m
CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_TEST_KSTRTOX=m
-CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig
index f348447824da..11eb37864ac6 100644
--- a/arch/m68k/configs/sun3x_defconfig
+++ b/arch/m68k/configs/sun3x_defconfig
@@ -569,7 +569,6 @@ CONFIG_ATOMIC64_SELFTEST=m
CONFIG_ASYNC_RAID6_TEST=m
CONFIG_TEST_HEXDUMP=m
CONFIG_TEST_KSTRTOX=m
-CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig
index 465eb96c755e..05018898d282 100644
--- a/arch/powerpc/configs/ppc64_defconfig
+++ b/arch/powerpc/configs/ppc64_defconfig
@@ -444,7 +444,6 @@ CONFIG_TEST_HEXDUMP=m
CONFIG_STRING_SELFTEST=m
CONFIG_TEST_STRING_HELPERS=m
CONFIG_TEST_KSTRTOX=m
-CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
CONFIG_TEST_BITMAP=m
CONFIG_TEST_UUID=m
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 1af972a92d06..4834cac1eb8f 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -2427,6 +2427,23 @@ config ASYNC_RAID6_TEST
config TEST_HEXDUMP
tristate "Test functions located in the hexdump module at runtime"
+config PRINTF_KUNIT_TEST
+ tristate "KUnit test printf() family of functions at runtime" if !KUNIT_ALL_TESTS
+ depends on KUNIT
+ default KUNIT_ALL_TESTS
+ help
+ Enable this option to test the printf functions at boot.
+
+ KUnit tests run during boot and output the results to the debug log
+ in TAP format (http://testanything.org/). Only useful for kernel devs
+ running the KUnit test harness, and not intended for inclusion into a
+ production build.
+
+ For more information on KUnit and unit tests in general please refer
+ to the KUnit documentation in Documentation/dev-tools/kunit/.
+
+ If unsure, say N.
+
config STRING_KUNIT_TEST
tristate "KUnit test string functions at runtime" if !KUNIT_ALL_TESTS
depends on KUNIT
@@ -2440,9 +2457,6 @@ config STRING_HELPERS_KUNIT_TEST
config TEST_KSTRTOX
tristate "Test kstrto*() family of functions at runtime"
-config TEST_PRINTF
- tristate "Test printf() family of functions at runtime"
-
config TEST_SCANF
tristate "Test scanf() family of functions at runtime"
diff --git a/lib/Makefile b/lib/Makefile
index d5cfc7afbbb8..844665b1f0e7 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -84,7 +84,7 @@ obj-$(CONFIG_TEST_SORT) += test_sort.o
obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_keys.o
obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_key_base.o
obj-$(CONFIG_TEST_DYNAMIC_DEBUG) += test_dynamic_debug.o
-obj-$(CONFIG_TEST_PRINTF) += test_printf.o
+obj-$(CONFIG_PRINTF_KUNIT_TEST) += printf_kunit.o
obj-$(CONFIG_TEST_SCANF) += test_scanf.o
obj-$(CONFIG_TEST_BITMAP) += test_bitmap.o
diff --git a/lib/test_printf.c b/lib/printf_kunit.c
similarity index 53%
rename from lib/test_printf.c
rename to lib/printf_kunit.c
index 59dbe4f9a4cb..e889aca69eba 100644
--- a/lib/test_printf.c
+++ b/lib/printf_kunit.c
@@ -5,7 +5,7 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-#include <linux/init.h>
+#include <kunit/test.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/printk.h>
@@ -25,8 +25,6 @@
#include <linux/property.h>
-#include "../tools/testing/selftests/kselftest_module.h"
-
#define BUF_SIZE 256
#define PAD_SIZE 16
#define FILL_CHAR '$'
@@ -37,84 +35,53 @@
block \
__diag_pop();
-KSTM_MODULE_GLOBALS();
-
-static char *test_buffer __initdata;
-static char *alloced_buffer __initdata;
+static char *test_buffer;
+static char *alloced_buffer;
-static int __printf(4, 0) __init
-do_test(int bufsize, const char *expect, int elen,
+static void __printf(5, 0)
+do_test(struct kunit *test, int bufsize, const char *expect, int elen,
const char *fmt, va_list ap)
{
va_list aq;
int ret, written;
- total_tests++;
-
memset(alloced_buffer, FILL_CHAR, BUF_SIZE + 2*PAD_SIZE);
va_copy(aq, ap);
ret = vsnprintf(test_buffer, bufsize, fmt, aq);
va_end(aq);
- if (ret != elen) {
- pr_warn("vsnprintf(buf, %d, \"%s\", ...) returned %d, expected %d\n",
- bufsize, fmt, ret, elen);
- return 1;
- }
-
- if (memchr_inv(alloced_buffer, FILL_CHAR, PAD_SIZE)) {
- pr_warn("vsnprintf(buf, %d, \"%s\", ...) wrote before buffer\n", bufsize, fmt);
- return 1;
- }
+ KUNIT_EXPECT_EQ_MSG(test, ret, elen, "vsnprintf(buf, %d, \"%s\", ...)", bufsize, fmt);
+ KUNIT_EXPECT_FALSE_MSG(test, memchr_inv(alloced_buffer, FILL_CHAR, PAD_SIZE),
+ "vsnprintf(buf, %d, \"%s\", ...) wrote before buffer", bufsize, fmt);
if (!bufsize) {
- if (memchr_inv(test_buffer, FILL_CHAR, BUF_SIZE + PAD_SIZE)) {
- pr_warn("vsnprintf(buf, 0, \"%s\", ...) wrote to buffer\n",
- fmt);
- return 1;
- }
- return 0;
+ KUNIT_EXPECT_FALSE_MSG(test,
+ memchr_inv(test_buffer, FILL_CHAR, BUF_SIZE + PAD_SIZE),
+ "vsnprintf(buf, 0, \"%s\", ...) wrote to buffer", fmt);
+ return;
}
written = min(bufsize-1, elen);
- if (test_buffer[written]) {
- pr_warn("vsnprintf(buf, %d, \"%s\", ...) did not nul-terminate buffer\n",
- bufsize, fmt);
- return 1;
- }
-
- if (memchr_inv(test_buffer + written + 1, FILL_CHAR, bufsize - (written + 1))) {
- pr_warn("vsnprintf(buf, %d, \"%s\", ...) wrote beyond the nul-terminator\n",
- bufsize, fmt);
- return 1;
- }
-
- if (memchr_inv(test_buffer + bufsize, FILL_CHAR, BUF_SIZE + PAD_SIZE - bufsize)) {
- pr_warn("vsnprintf(buf, %d, \"%s\", ...) wrote beyond buffer\n", bufsize, fmt);
- return 1;
- }
-
- if (memcmp(test_buffer, expect, written)) {
- pr_warn("vsnprintf(buf, %d, \"%s\", ...) wrote '%s', expected '%.*s'\n",
- bufsize, fmt, test_buffer, written, expect);
- return 1;
- }
- return 0;
+ KUNIT_EXPECT_FALSE_MSG(test, test_buffer[written],
+ "vsnprintf(buf, %d, \"%s\", ...) did not nul-terminate buffer", bufsize, fmt);
+ KUNIT_EXPECT_FALSE_MSG(test,
+ memchr_inv(test_buffer + written + 1, FILL_CHAR, bufsize - (written + 1)),
+ "vsnprintf(buf, %d, \"%s\", ...) wrote beyond the nul-terminator", bufsize, fmt);
+ KUNIT_EXPECT_FALSE_MSG(test,
+ memchr_inv(test_buffer + bufsize, FILL_CHAR, BUF_SIZE + PAD_SIZE - bufsize),
+ "vsnprintf(buf, %d, \"%s\", ...) wrote beyond buffer", bufsize, fmt);
+ KUNIT_EXPECT_MEMEQ_MSG(test, test_buffer, expect, written,
+ "vsnprintf(buf, %d, \"%s\", ...)", bufsize, fmt);
}
-static void __printf(3, 4) __init
-__test(const char *expect, int elen, const char *fmt, ...)
+static void __printf(4, 5)
+__test(struct kunit *test, const char *expect, int elen, const char *fmt, ...)
{
va_list ap;
int rand;
char *p;
- if (elen >= BUF_SIZE) {
- pr_err("error in test suite: expected output length %d too long. Format was '%s'.\n",
- elen, fmt);
- failed_tests++;
- return;
- }
+ KUNIT_EXPECT_LE_MSG(test, elen, BUF_SIZE, "format was '%s'", fmt);
va_start(ap, fmt);
@@ -124,50 +91,45 @@ __test(const char *expect, int elen, const char *fmt, ...)
* enough and 0), and then we also test that kvasprintf would
* be able to print it as expected.
*/
- failed_tests += do_test(BUF_SIZE, expect, elen, fmt, ap);
+ do_test(test, BUF_SIZE, expect, elen, fmt, ap);
rand = get_random_u32_inclusive(1, elen + 1);
/* Since elen < BUF_SIZE, we have 1 <= rand <= BUF_SIZE. */
- failed_tests += do_test(rand, expect, elen, fmt, ap);
- failed_tests += do_test(0, expect, elen, fmt, ap);
+ do_test(test, rand, expect, elen, fmt, ap);
+ do_test(test, 0, expect, elen, fmt, ap);
p = kvasprintf(GFP_KERNEL, fmt, ap);
if (p) {
- total_tests++;
- if (memcmp(p, expect, elen+1)) {
- pr_warn("kvasprintf(..., \"%s\", ...) returned '%s', expected '%s'\n",
- fmt, p, expect);
- failed_tests++;
- }
+ KUNIT_EXPECT_MEMEQ_MSG(test, p, expect, elen+1, "kvasprintf(\"%s\", ...)", fmt);
kfree(p);
}
va_end(ap);
}
-#define test(expect, fmt, ...) \
- __test(expect, strlen(expect), fmt, ##__VA_ARGS__)
+#define tc(test, expect, fmt, ...) \
+ __test(test, expect, strlen(expect), fmt, ##__VA_ARGS__)
-static void __init
-test_basic(void)
+static void
+test_basic(struct kunit *test)
{
/* Work around annoying "warning: zero-length gnu_printf format string". */
char nul = '\0';
- test("", &nul);
- test("100%", "100%%");
- test("xxx%yyy", "xxx%cyyy", '%');
- __test("xxx\0yyy", 7, "xxx%cyyy", '\0');
+ tc(test, "", &nul);
+ tc(test, "100%", "100%%");
+ tc(test, "xxx%yyy", "xxx%cyyy", '%');
+ __test(test, "xxx\0yyy", 7, "xxx%cyyy", '\0');
}
-static void __init
-test_number(void)
+static void
+test_number(struct kunit *test)
{
- test("0x1234abcd ", "%#-12x", 0x1234abcd);
- test(" 0x1234abcd", "%#12x", 0x1234abcd);
- test("0|001| 12|+123| 1234|-123|-1234", "%d|%03d|%3d|%+d|% d|%+d|% d", 0, 1, 12, 123, 1234, -123, -1234);
+ tc(test, "0x1234abcd ", "%#-12x", 0x1234abcd);
+ tc(test, " 0x1234abcd", "%#12x", 0x1234abcd);
+ tc(test, "0|001| 12|+123| 1234|-123|-1234", "%d|%03d|%3d|%+d|% d|%+d|% d", 0, 1, 12, 123, 1234, -123, -1234);
NOWARN(-Wformat, "Intentionally test narrowing conversion specifiers.", {
- test("0|1|1|128|255", "%hhu|%hhu|%hhu|%hhu|%hhu", 0, 1, 257, 128, -1);
- test("0|1|1|-128|-1", "%hhd|%hhd|%hhd|%hhd|%hhd", 0, 1, 257, 128, -1);
- test("2015122420151225", "%ho%ho%#ho", 1037, 5282, -11627);
+ tc(test, "0|1|1|128|255", "%hhu|%hhu|%hhu|%hhu|%hhu", 0, 1, 257, 128, -1);
+ tc(test, "0|1|1|-128|-1", "%hhd|%hhd|%hhd|%hhd|%hhd", 0, 1, 257, 128, -1);
+ tc(test, "2015122420151225", "%ho%ho%#ho", 1037, 5282, -11627);
})
/*
* POSIX/C99: »The result of converting zero with an explicit
@@ -177,17 +139,17 @@ test_number(void)
* case. This test case simply documents the current
* behaviour.
*/
- test("00|0|0|0|0", "%.2d|%.1d|%.0d|%.*d|%1.0d", 0, 0, 0, 0, 0, 0);
+ tc(test, "00|0|0|0|0", "%.2d|%.1d|%.0d|%.*d|%1.0d", 0, 0, 0, 0, 0, 0);
}
-static void __init
-test_string(void)
+static void
+test_string(struct kunit *test)
{
- test("", "%s%.0s", "", "123");
- test("ABCD|abc|123", "%s|%.3s|%.*s", "ABCD", "abcdef", 3, "123456");
- test("1 | 2|3 | 4|5 ", "%-3s|%3s|%-*s|%*s|%*s", "1", "2", 3, "3", 3, "4", -3, "5");
- test("1234 ", "%-10.4s", "123456");
- test(" 1234", "%10.4s", "123456");
+ tc(test, "", "%s%.0s", "", "123");
+ tc(test, "ABCD|abc|123", "%s|%.3s|%.*s", "ABCD", "abcdef", 3, "123456");
+ tc(test, "1 | 2|3 | 4|5 ", "%-3s|%3s|%-*s|%*s|%*s", "1", "2", 3, "3", 3, "4", -3, "5");
+ tc(test, "1234 ", "%-10.4s", "123456");
+ tc(test, " 1234", "%10.4s", "123456");
/*
* POSIX and C99 say that a negative precision (which is only
* possible to pass via a * argument) should be treated as if
@@ -201,10 +163,10 @@ test_string(void)
* anyone ever feel the need to follow the standards more
* closely, this can be revisited.
*/
- test(" ", "%4.*s", -5, "123456");
- test("123456", "%.s", "123456");
- test("a||", "%.s|%.0s|%.*s", "a", "b", 0, "c");
- test("a | | ", "%-3.s|%-3.0s|%-3.*s", "a", "b", 0, "c");
+ tc(test, " ", "%4.*s", -5, "123456");
+ tc(test, "123456", "%.s", "123456");
+ tc(test, "a||", "%.s|%.0s|%.*s", "a", "b", 0, "c");
+ tc(test, "a | | ", "%-3.s|%-3.0s|%-3.*s", "a", "b", 0, "c");
}
#define PLAIN_BUF_SIZE 64 /* leave some space so we don't oops */
@@ -218,7 +180,7 @@ test_string(void)
#define ZEROS "00000000" /* hex 32 zero bits */
#define ONES "ffffffff" /* hex 32 one bits */
-static int __init
+static int
plain_format(void)
{
char buf[PLAIN_BUF_SIZE];
@@ -250,7 +212,7 @@ plain_format(void)
#define ZEROS ""
#define ONES ""
-static int __init
+static int
plain_format(void)
{
/* Format is implicitly tested for 32 bit machines by plain_hash() */
@@ -259,7 +221,7 @@ plain_format(void)
#endif /* BITS_PER_LONG == 64 */
-static int __init
+static int
plain_hash_to_buffer(const void *p, char *buf, size_t len)
{
int nchars;
@@ -278,7 +240,7 @@ plain_hash_to_buffer(const void *p, char *buf, size_t len)
return 0;
}
-static int __init
+static int
plain_hash(void)
{
char buf[PLAIN_BUF_SIZE];
@@ -298,33 +260,20 @@ plain_hash(void)
* We can't use test() to test %p because we don't know what output to expect
* after an address is hashed.
*/
-static void __init
-plain(void)
+static void
+plain(struct kunit *test)
{
- int err;
-
if (no_hash_pointers) {
pr_warn("skipping plain 'p' tests");
- skipped_tests += 2;
- return;
- }
-
- err = plain_hash();
- if (err) {
- pr_warn("plain 'p' does not appear to be hashed\n");
- failed_tests++;
return;
}
- err = plain_format();
- if (err) {
- pr_warn("hashing plain 'p' has unexpected format\n");
- failed_tests++;
- }
+ KUNIT_EXPECT_FALSE(test, plain_hash());
+ KUNIT_EXPECT_FALSE(test, plain_format());
}
-static void __init
-test_hashed(const char *fmt, const void *p)
+static void
+test_hashed(struct kunit *test, const char *fmt, const void *p)
{
char buf[PLAIN_BUF_SIZE];
int ret;
@@ -337,54 +286,54 @@ test_hashed(const char *fmt, const void *p)
if (ret)
return;
- test(buf, fmt, p);
+ tc(test, buf, fmt, p);
}
/*
* NULL pointers aren't hashed.
*/
-static void __init
-null_pointer(void)
+static void
+null_pointer(struct kunit *test)
{
- test(ZEROS "00000000", "%p", NULL);
- test(ZEROS "00000000", "%px", NULL);
- test("(null)", "%pE", NULL);
+ tc(test, ZEROS "00000000", "%p", NULL);
+ tc(test, ZEROS "00000000", "%px", NULL);
+ tc(test, "(null)", "%pE", NULL);
}
/*
* Error pointers aren't hashed.
*/
-static void __init
-error_pointer(void)
+static void
+error_pointer(struct kunit *test)
{
- test(ONES "fffffff5", "%p", ERR_PTR(-11));
- test(ONES "fffffff5", "%px", ERR_PTR(-11));
- test("(efault)", "%pE", ERR_PTR(-11));
+ tc(test, ONES "fffffff5", "%p", ERR_PTR(-11));
+ tc(test, ONES "fffffff5", "%px", ERR_PTR(-11));
+ tc(test, "(efault)", "%pE", ERR_PTR(-11));
}
#define PTR_INVALID ((void *)0x000000ab)
-static void __init
-invalid_pointer(void)
+static void
+invalid_pointer(struct kunit *test)
{
- test_hashed("%p", PTR_INVALID);
- test(ZEROS "000000ab", "%px", PTR_INVALID);
- test("(efault)", "%pE", PTR_INVALID);
+ test_hashed(test, "%p", PTR_INVALID);
+ tc(test, ZEROS "000000ab", "%px", PTR_INVALID);
+ tc(test, "(efault)", "%pE", PTR_INVALID);
}
-static void __init
+static void
symbol_ptr(void)
{
}
-static void __init
+static void
kernel_ptr(void)
{
/* We can't test this without access to kptr_restrict. */
}
-static void __init
-struct_resource(void)
+static void
+struct_resource(struct kunit *test)
{
struct resource test_resource = {
.start = 0xc0ffee00,
@@ -392,7 +341,7 @@ struct_resource(void)
.flags = IORESOURCE_MEM,
};
- test("[mem 0xc0ffee00 flags 0x200]",
+ tc(test, "[mem 0xc0ffee00 flags 0x200]",
"%pr", &test_resource);
test_resource = (struct resource) {
@@ -400,7 +349,7 @@ struct_resource(void)
.end = 0xba5eba11,
.flags = IORESOURCE_MEM,
};
- test("[mem 0x00c0ffee-0xba5eba11 flags 0x200]",
+ tc(test, "[mem 0x00c0ffee-0xba5eba11 flags 0x200]",
"%pr", &test_resource);
test_resource = (struct resource) {
@@ -408,7 +357,7 @@ struct_resource(void)
.end = 0xc0ffee,
.flags = IORESOURCE_MEM,
};
- test("[mem 0xba5eba11-0x00c0ffee flags 0x200]",
+ tc(test, "[mem 0xba5eba11-0x00c0ffee flags 0x200]",
"%pr", &test_resource);
test_resource = (struct resource) {
@@ -417,7 +366,7 @@ struct_resource(void)
.flags = IORESOURCE_MEM,
};
- test("[mem 0xba5eba11-0xba5eca11 flags 0x200]",
+ tc(test, "[mem 0xba5eba11-0xba5eca11 flags 0x200]",
"%pr", &test_resource);
test_resource = (struct resource) {
@@ -428,61 +377,61 @@ struct_resource(void)
IORESOURCE_UNSET,
};
- test("[io size 0x1000 disabled]",
+ tc(test, "[io size 0x1000 disabled]",
"%pR", &test_resource);
}
-static void __init
-struct_range(void)
+static void
+struct_range(struct kunit *test)
{
struct range test_range = DEFINE_RANGE(0xc0ffee00ba5eba11,
0xc0ffee00ba5eba11);
- test("[range 0xc0ffee00ba5eba11]", "%pra", &test_range);
+ tc(test, "[range 0xc0ffee00ba5eba11]", "%pra", &test_range);
test_range = DEFINE_RANGE(0xc0ffee, 0xba5eba11);
- test("[range 0x0000000000c0ffee-0x00000000ba5eba11]",
+ tc(test, "[range 0x0000000000c0ffee-0x00000000ba5eba11]",
"%pra", &test_range);
test_range = DEFINE_RANGE(0xba5eba11, 0xc0ffee);
- test("[range 0x00000000ba5eba11-0x0000000000c0ffee]",
+ tc(test, "[range 0x00000000ba5eba11-0x0000000000c0ffee]",
"%pra", &test_range);
}
-static void __init
+static void
addr(void)
{
}
-static void __init
+static void
escaped_str(void)
{
}
-static void __init
-hex_string(void)
+static void
+hex_string(struct kunit *test)
{
const char buf[3] = {0xc0, 0xff, 0xee};
- test("c0 ff ee|c0:ff:ee|c0-ff-ee|c0ffee",
+ tc(test, "c0 ff ee|c0:ff:ee|c0-ff-ee|c0ffee",
"%3ph|%3phC|%3phD|%3phN", buf, buf, buf, buf);
- test("c0 ff ee|c0:ff:ee|c0-ff-ee|c0ffee",
+ tc(test, "c0 ff ee|c0:ff:ee|c0-ff-ee|c0ffee",
"%*ph|%*phC|%*phD|%*phN", 3, buf, 3, buf, 3, buf, 3, buf);
}
-static void __init
-mac(void)
+static void
+mac(struct kunit *test)
{
const u8 addr[6] = {0x2d, 0x48, 0xd6, 0xfc, 0x7a, 0x05};
- test("2d:48:d6:fc:7a:05", "%pM", addr);
- test("05:7a:fc:d6:48:2d", "%pMR", addr);
- test("2d-48-d6-fc-7a-05", "%pMF", addr);
- test("2d48d6fc7a05", "%pm", addr);
- test("057afcd6482d", "%pmR", addr);
+ tc(test, "2d:48:d6:fc:7a:05", "%pM", addr);
+ tc(test, "05:7a:fc:d6:48:2d", "%pMR", addr);
+ tc(test, "2d-48-d6-fc-7a-05", "%pMF", addr);
+ tc(test, "2d48d6fc7a05", "%pm", addr);
+ tc(test, "057afcd6482d", "%pmR", addr);
}
-static void __init
-ip4(void)
+static void
+ip4(struct kunit *test)
{
struct sockaddr_in sa;
@@ -490,37 +439,37 @@ ip4(void)
sa.sin_port = cpu_to_be16(12345);
sa.sin_addr.s_addr = cpu_to_be32(0x7f000001);
- test("127.000.000.001|127.0.0.1", "%pi4|%pI4", &sa.sin_addr, &sa.sin_addr);
- test("127.000.000.001|127.0.0.1", "%piS|%pIS", &sa, &sa);
+ tc(test, "127.000.000.001|127.0.0.1", "%pi4|%pI4", &sa.sin_addr, &sa.sin_addr);
+ tc(test, "127.000.000.001|127.0.0.1", "%piS|%pIS", &sa, &sa);
sa.sin_addr.s_addr = cpu_to_be32(0x01020304);
- test("001.002.003.004:12345|1.2.3.4:12345", "%piSp|%pISp", &sa, &sa);
+ tc(test, "001.002.003.004:12345|1.2.3.4:12345", "%piSp|%pISp", &sa, &sa);
}
-static void __init
+static void
ip6(void)
{
}
-static void __init
-ip(void)
+static void
+ip(struct kunit *test)
{
- ip4();
+ ip4(test);
ip6();
}
-static void __init
-uuid(void)
+static void
+uuid(struct kunit *test)
{
const char uuid[16] = {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf};
- test("00010203-0405-0607-0809-0a0b0c0d0e0f", "%pUb", uuid);
- test("00010203-0405-0607-0809-0A0B0C0D0E0F", "%pUB", uuid);
- test("03020100-0504-0706-0809-0a0b0c0d0e0f", "%pUl", uuid);
- test("03020100-0504-0706-0809-0A0B0C0D0E0F", "%pUL", uuid);
+ tc(test, "00010203-0405-0607-0809-0a0b0c0d0e0f", "%pUb", uuid);
+ tc(test, "00010203-0405-0607-0809-0A0B0C0D0E0F", "%pUB", uuid);
+ tc(test, "03020100-0504-0706-0809-0a0b0c0d0e0f", "%pUl", uuid);
+ tc(test, "03020100-0504-0706-0809-0A0B0C0D0E0F", "%pUL", uuid);
}
-static struct dentry test_dentry[4] __initdata = {
+static struct dentry test_dentry[4] = {
{ .d_parent = &test_dentry[0],
.d_name = QSTR_INIT(test_dentry[0].d_iname, 3),
.d_iname = "foo" },
@@ -535,34 +484,34 @@ static struct dentry test_dentry[4] __initdata = {
.d_iname = "romeo" },
};
-static void __init
-dentry(void)
+static void
+dentry(struct kunit *test)
{
- test("foo", "%pd", &test_dentry[0]);
- test("foo", "%pd2", &test_dentry[0]);
+ tc(test, "foo", "%pd", &test_dentry[0]);
+ tc(test, "foo", "%pd2", &test_dentry[0]);
- test("(null)", "%pd", NULL);
- test("(efault)", "%pd", PTR_INVALID);
- test("(null)", "%pD", NULL);
- test("(efault)", "%pD", PTR_INVALID);
+ tc(test, "(null)", "%pd", NULL);
+ tc(test, "(efault)", "%pd", PTR_INVALID);
+ tc(test, "(null)", "%pD", NULL);
+ tc(test, "(efault)", "%pD", PTR_INVALID);
- test("romeo", "%pd", &test_dentry[3]);
- test("alfa/romeo", "%pd2", &test_dentry[3]);
- test("bravo/alfa/romeo", "%pd3", &test_dentry[3]);
- test("/bravo/alfa/romeo", "%pd4", &test_dentry[3]);
- test("/bravo/alfa", "%pd4", &test_dentry[2]);
+ tc(test, "romeo", "%pd", &test_dentry[3]);
+ tc(test, "alfa/romeo", "%pd2", &test_dentry[3]);
+ tc(test, "bravo/alfa/romeo", "%pd3", &test_dentry[3]);
+ tc(test, "/bravo/alfa/romeo", "%pd4", &test_dentry[3]);
+ tc(test, "/bravo/alfa", "%pd4", &test_dentry[2]);
- test("bravo/alfa |bravo/alfa ", "%-12pd2|%*pd2", &test_dentry[2], -12, &test_dentry[2]);
- test(" bravo/alfa| bravo/alfa", "%12pd2|%*pd2", &test_dentry[2], 12, &test_dentry[2]);
+ tc(test, "bravo/alfa |bravo/alfa ", "%-12pd2|%*pd2", &test_dentry[2], -12, &test_dentry[2]);
+ tc(test, " bravo/alfa| bravo/alfa", "%12pd2|%*pd2", &test_dentry[2], 12, &test_dentry[2]);
}
-static void __init
+static void
struct_va_format(void)
{
}
-static void __init
-time_and_date(void)
+static void
+time_and_date(struct kunit *test)
{
/* 1543210543 */
const struct rtc_time tm = {
@@ -576,32 +525,32 @@ time_and_date(void)
/* 2019-01-04T15:32:23 */
time64_t t = 1546615943;
- test("(%pt?)", "%pt", &tm);
- test("2018-11-26T05:35:43", "%ptR", &tm);
- test("0118-10-26T05:35:43", "%ptRr", &tm);
- test("05:35:43|2018-11-26", "%ptRt|%ptRd", &tm, &tm);
- test("05:35:43|0118-10-26", "%ptRtr|%ptRdr", &tm, &tm);
- test("05:35:43|2018-11-26", "%ptRttr|%ptRdtr", &tm, &tm);
- test("05:35:43 tr|2018-11-26 tr", "%ptRt tr|%ptRd tr", &tm, &tm);
+ tc(test, "(%pt?)", "%pt", &tm);
+ tc(test, "2018-11-26T05:35:43", "%ptR", &tm);
+ tc(test, "0118-10-26T05:35:43", "%ptRr", &tm);
+ tc(test, "05:35:43|2018-11-26", "%ptRt|%ptRd", &tm, &tm);
+ tc(test, "05:35:43|0118-10-26", "%ptRtr|%ptRdr", &tm, &tm);
+ tc(test, "05:35:43|2018-11-26", "%ptRttr|%ptRdtr", &tm, &tm);
+ tc(test, "05:35:43 tr|2018-11-26 tr", "%ptRt tr|%ptRd tr", &tm, &tm);
- test("2019-01-04T15:32:23", "%ptT", &t);
- test("0119-00-04T15:32:23", "%ptTr", &t);
- test("15:32:23|2019-01-04", "%ptTt|%ptTd", &t, &t);
- test("15:32:23|0119-00-04", "%ptTtr|%ptTdr", &t, &t);
+ tc(test, "2019-01-04T15:32:23", "%ptT", &t);
+ tc(test, "0119-00-04T15:32:23", "%ptTr", &t);
+ tc(test, "15:32:23|2019-01-04", "%ptTt|%ptTd", &t, &t);
+ tc(test, "15:32:23|0119-00-04", "%ptTtr|%ptTdr", &t, &t);
- test("2019-01-04 15:32:23", "%ptTs", &t);
- test("0119-00-04 15:32:23", "%ptTsr", &t);
- test("15:32:23|2019-01-04", "%ptTts|%ptTds", &t, &t);
- test("15:32:23|0119-00-04", "%ptTtrs|%ptTdrs", &t, &t);
+ tc(test, "2019-01-04 15:32:23", "%ptTs", &t);
+ tc(test, "0119-00-04 15:32:23", "%ptTsr", &t);
+ tc(test, "15:32:23|2019-01-04", "%ptTts|%ptTds", &t, &t);
+ tc(test, "15:32:23|0119-00-04", "%ptTtrs|%ptTdrs", &t, &t);
}
-static void __init
+static void
struct_clk(void)
{
}
-static void __init
-large_bitmap(void)
+static void
+large_bitmap(struct kunit *test)
{
const int nbits = 1 << 16;
unsigned long *bits = bitmap_zalloc(nbits, GFP_KERNEL);
@@ -610,34 +559,34 @@ large_bitmap(void)
bitmap_set(bits, 1, 20);
bitmap_set(bits, 60000, 15);
- test("1-20,60000-60014", "%*pbl", nbits, bits);
+ tc(test, "1-20,60000-60014", "%*pbl", nbits, bits);
bitmap_free(bits);
}
-static void __init
-bitmap(void)
+static void
+bitmap(struct kunit *test)
{
DECLARE_BITMAP(bits, 20);
const int primes[] = {2,3,5,7,11,13,17,19};
int i;
bitmap_zero(bits, 20);
- test("00000|00000", "%20pb|%*pb", bits, 20, bits);
- test("|", "%20pbl|%*pbl", bits, 20, bits);
+ tc(test, "00000|00000", "%20pb|%*pb", bits, 20, bits);
+ tc(test, "|", "%20pbl|%*pbl", bits, 20, bits);
for (i = 0; i < ARRAY_SIZE(primes); ++i)
set_bit(primes[i], bits);
- test("a28ac|a28ac", "%20pb|%*pb", bits, 20, bits);
- test("2-3,5,7,11,13,17,19|2-3,5,7,11,13,17,19", "%20pbl|%*pbl", bits, 20, bits);
+ tc(test, "a28ac|a28ac", "%20pb|%*pb", bits, 20, bits);
+ tc(test, "2-3,5,7,11,13,17,19|2-3,5,7,11,13,17,19", "%20pbl|%*pbl", bits, 20, bits);
bitmap_fill(bits, 20);
- test("fffff|fffff", "%20pb|%*pb", bits, 20, bits);
- test("0-19|0-19", "%20pbl|%*pbl", bits, 20, bits);
+ tc(test, "fffff|fffff", "%20pb|%*pb", bits, 20, bits);
+ tc(test, "0-19|0-19", "%20pbl|%*pbl", bits, 20, bits);
- large_bitmap();
+ large_bitmap(test);
}
-static void __init
+static void
netdev_features(void)
{
}
@@ -663,8 +612,8 @@ static const struct page_flags_test pft[] = {
"%#x", "kasantag"},
};
-static void __init
-page_flags_test(int section, int node, int zone, int last_cpupid,
+static void
+page_flags_test(struct kunit *test, int section, int node, int zone, int last_cpupid,
int kasan_tag, unsigned long flags, const char *name,
char *cmp_buf)
{
@@ -698,11 +647,11 @@ page_flags_test(int section, int node, int zone, int last_cpupid,
snprintf(cmp_buf + size, BUF_SIZE - size, ")");
- test(cmp_buf, "%pGp", &flags);
+ tc(test, cmp_buf, "%pGp", &flags);
}
-static void __init
-flags(void)
+static void
+flags(struct kunit *test)
{
unsigned long flags;
char *cmp_buffer;
@@ -713,43 +662,43 @@ flags(void)
return;
flags = 0;
- page_flags_test(0, 0, 0, 0, 0, flags, "", cmp_buffer);
+ page_flags_test(test, 0, 0, 0, 0, 0, flags, "", cmp_buffer);
flags = 1UL << NR_PAGEFLAGS;
- page_flags_test(0, 0, 0, 0, 0, flags, "", cmp_buffer);
+ page_flags_test(test, 0, 0, 0, 0, 0, flags, "", cmp_buffer);
flags |= 1UL << PG_uptodate | 1UL << PG_dirty | 1UL << PG_lru
| 1UL << PG_active | 1UL << PG_swapbacked;
- page_flags_test(1, 1, 1, 0x1fffff, 1, flags,
+ page_flags_test(test, 1, 1, 1, 0x1fffff, 1, flags,
"uptodate|dirty|lru|active|swapbacked",
cmp_buffer);
flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC;
- test("read|exec|mayread|maywrite|mayexec", "%pGv", &flags);
+ tc(test, "read|exec|mayread|maywrite|mayexec", "%pGv", &flags);
gfp = GFP_TRANSHUGE;
- test("GFP_TRANSHUGE", "%pGg", &gfp);
+ tc(test, "GFP_TRANSHUGE", "%pGg", &gfp);
gfp = GFP_ATOMIC|__GFP_DMA;
- test("GFP_ATOMIC|GFP_DMA", "%pGg", &gfp);
+ tc(test, "GFP_ATOMIC|GFP_DMA", "%pGg", &gfp);
gfp = __GFP_HIGH;
- test("__GFP_HIGH", "%pGg", &gfp);
+ tc(test, "__GFP_HIGH", "%pGg", &gfp);
/* Any flags not translated by the table should remain numeric */
gfp = ~__GFP_BITS_MASK;
snprintf(cmp_buffer, BUF_SIZE, "%#lx", (unsigned long) gfp);
- test(cmp_buffer, "%pGg", &gfp);
+ tc(test, cmp_buffer, "%pGg", &gfp);
snprintf(cmp_buffer, BUF_SIZE, "__GFP_HIGH|%#lx",
(unsigned long) gfp);
gfp |= __GFP_HIGH;
- test(cmp_buffer, "%pGg", &gfp);
+ tc(test, cmp_buffer, "%pGg", &gfp);
kfree(cmp_buffer);
}
-static void __init fwnode_pointer(void)
+static void fwnode_pointer(struct kunit *test)
{
const struct software_node first = { .name = "first" };
const struct software_node second = { .name = "second", .parent = &first };
@@ -767,16 +716,16 @@ static void __init fwnode_pointer(void)
return;
}
- test(full_name_second, "%pfw", software_node_fwnode(&second));
- test(full_name_third, "%pfw", software_node_fwnode(&third));
- test(full_name_third, "%pfwf", software_node_fwnode(&third));
- test(second_name, "%pfwP", software_node_fwnode(&second));
- test(third_name, "%pfwP", software_node_fwnode(&third));
+ tc(test, full_name_second, "%pfw", software_node_fwnode(&second));
+ tc(test, full_name_third, "%pfw", software_node_fwnode(&third));
+ tc(test, full_name_third, "%pfwf", software_node_fwnode(&third));
+ tc(test, second_name, "%pfwP", software_node_fwnode(&second));
+ tc(test, third_name, "%pfwP", software_node_fwnode(&third));
software_node_unregister_node_group(group);
}
-static void __init fourcc_pointer(void)
+static void fourcc_pointer(struct kunit *test)
{
struct {
u32 code;
@@ -790,74 +739,85 @@ static void __init fourcc_pointer(void)
unsigned int i;
for (i = 0; i < ARRAY_SIZE(try); i++)
- test(try[i].str, "%p4cc", &try[i].code);
+ tc(test, try[i].str, "%p4cc", &try[i].code);
}
-static void __init
-errptr(void)
+static void
+errptr(struct kunit *test)
{
- test("-1234", "%pe", ERR_PTR(-1234));
+ tc(test, "-1234", "%pe", ERR_PTR(-1234));
/* Check that %pe with a non-ERR_PTR gets treated as ordinary %p. */
BUILD_BUG_ON(IS_ERR(PTR));
- test_hashed("%pe", PTR);
+ test_hashed(test, "%pe", PTR);
#ifdef CONFIG_SYMBOLIC_ERRNAME
- test("(-ENOTSOCK)", "(%pe)", ERR_PTR(-ENOTSOCK));
- test("(-EAGAIN)", "(%pe)", ERR_PTR(-EAGAIN));
+ tc(test, "(-ENOTSOCK)", "(%pe)", ERR_PTR(-ENOTSOCK));
+ tc(test, "(-EAGAIN)", "(%pe)", ERR_PTR(-EAGAIN));
BUILD_BUG_ON(EAGAIN != EWOULDBLOCK);
- test("(-EAGAIN)", "(%pe)", ERR_PTR(-EWOULDBLOCK));
- test("[-EIO ]", "[%-8pe]", ERR_PTR(-EIO));
- test("[ -EIO]", "[%8pe]", ERR_PTR(-EIO));
- test("-EPROBE_DEFER", "%pe", ERR_PTR(-EPROBE_DEFER));
+ tc(test, "(-EAGAIN)", "(%pe)", ERR_PTR(-EWOULDBLOCK));
+ tc(test, "[-EIO ]", "[%-8pe]", ERR_PTR(-EIO));
+ tc(test, "[ -EIO]", "[%8pe]", ERR_PTR(-EIO));
+ tc(test, "-EPROBE_DEFER", "%pe", ERR_PTR(-EPROBE_DEFER));
#endif
}
-static void __init
-test_pointer(void)
+static void
+test_pointer(struct kunit *test)
{
- plain();
- null_pointer();
- error_pointer();
- invalid_pointer();
+ plain(test);
+ null_pointer(test);
+ error_pointer(test);
+ invalid_pointer(test);
symbol_ptr();
kernel_ptr();
- struct_resource();
- struct_range();
+ struct_resource(test);
+ struct_range(test);
addr();
escaped_str();
- hex_string();
- mac();
- ip();
- uuid();
- dentry();
+ hex_string(test);
+ mac(test);
+ ip(test);
+ uuid(test);
+ dentry(test);
struct_va_format();
- time_and_date();
+ time_and_date(test);
struct_clk();
- bitmap();
+ bitmap(test);
netdev_features();
- flags();
- errptr();
- fwnode_pointer();
- fourcc_pointer();
+ flags(test);
+ errptr(test);
+ fwnode_pointer(test);
+ fourcc_pointer(test);
}
-static void __init selftest(void)
+static void printf_test(struct kunit *test)
{
alloced_buffer = kmalloc(BUF_SIZE + 2*PAD_SIZE, GFP_KERNEL);
if (!alloced_buffer)
return;
test_buffer = alloced_buffer + PAD_SIZE;
- test_basic();
- test_number();
- test_string();
- test_pointer();
+ test_basic(test);
+ test_number(test);
+ test_string(test);
+ test_pointer(test);
kfree(alloced_buffer);
}
-KSTM_MODULE_LOADERS(test_printf);
+static struct kunit_case printf_test_cases[] = {
+ KUNIT_CASE(printf_test),
+ {}
+};
+
+static struct kunit_suite printf_test_suite = {
+ .name = "printf",
+ .test_cases = printf_test_cases,
+};
+
+kunit_test_suite(printf_test_suite);
+
MODULE_AUTHOR("Rasmus Villemoes <linux@...musvillemoes.dk>");
MODULE_DESCRIPTION("Test cases for printf facility");
MODULE_LICENSE("GPL");
diff --git a/tools/testing/selftests/lib/config b/tools/testing/selftests/lib/config
index dc15aba8d0a3..0a63594177c2 100644
--- a/tools/testing/selftests/lib/config
+++ b/tools/testing/selftests/lib/config
@@ -1,4 +1,3 @@
-CONFIG_TEST_PRINTF=m
CONFIG_TEST_SCANF=m
CONFIG_TEST_BITMAP=m
CONFIG_PRIME_NUMBERS=m
diff --git a/tools/testing/selftests/lib/printf.sh b/tools/testing/selftests/lib/printf.sh
deleted file mode 100755
index 05f4544e87f9..000000000000
--- a/tools/testing/selftests/lib/printf.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0
-# Tests the printf infrastructure using test_printf kernel module.
-$(dirname $0)/../kselftest/module.sh "printf" test_printf
--
2.48.1
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