Convert the scanf() 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.

Acked-by: Geert Uytterhoeven geert@linux-m68k.org # m68k Acked-by: Petr Mladek pmladek@suse.com Signed-off-by: Tamir Duberstein tamird@gmail.com --- 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_scanf.c => scanf_kunit.c} | 704 +++++++++++++++++------------------ tools/testing/selftests/lib/Makefile | 2 +- tools/testing/selftests/lib/config | 1 - tools/testing/selftests/lib/scanf.sh | 4 - 20 files changed, 359 insertions(+), 389 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS index 896a307fa065..44f9f0ee1f1d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -25368,8 +25368,8 @@ R: Sergey Senozhatsky senozhatsky@chromium.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/scanf_kunit.c F: lib/test_printf.c -F: lib/test_scanf.c F: lib/vsprintf.c

VT1211 HARDWARE MONITOR DRIVER diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig index dbf2ea561c85..e85a4b3a9847 100644 --- a/arch/m68k/configs/amiga_defconfig +++ b/arch/m68k/configs/amiga_defconfig @@ -623,7 +623,6 @@ 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 CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig index b0fd199cc0a4..232b885cc26e 100644 --- a/arch/m68k/configs/apollo_defconfig +++ b/arch/m68k/configs/apollo_defconfig @@ -580,7 +580,6 @@ 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 CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig index bb5b2d3b6c10..228af5b4cd42 100644 --- a/arch/m68k/configs/atari_defconfig +++ b/arch/m68k/configs/atari_defconfig @@ -600,7 +600,6 @@ 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 CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig index 8315a13bab73..cbc59aed3d97 100644 --- a/arch/m68k/configs/bvme6000_defconfig +++ b/arch/m68k/configs/bvme6000_defconfig @@ -572,7 +572,6 @@ 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 CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig index 350370657e5f..8d3787b8fe6d 100644 --- a/arch/m68k/configs/hp300_defconfig +++ b/arch/m68k/configs/hp300_defconfig @@ -582,7 +582,6 @@ 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 CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig index f942b4755702..a68893d83361 100644 --- a/arch/m68k/configs/mac_defconfig +++ b/arch/m68k/configs/mac_defconfig @@ -599,7 +599,6 @@ 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 CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig index b1eaad02efab..9a17526cefd2 100644 --- a/arch/m68k/configs/multi_defconfig +++ b/arch/m68k/configs/multi_defconfig @@ -686,7 +686,6 @@ 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 CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig index 6309a4442bb3..5cf2e2860044 100644 --- a/arch/m68k/configs/mvme147_defconfig +++ b/arch/m68k/configs/mvme147_defconfig @@ -572,7 +572,6 @@ 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 CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig index 3feb0731f814..eb395749bc75 100644 --- a/arch/m68k/configs/mvme16x_defconfig +++ b/arch/m68k/configs/mvme16x_defconfig @@ -573,7 +573,6 @@ 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 CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig index ea04b1b0da7d..8891f12c2a18 100644 --- a/arch/m68k/configs/q40_defconfig +++ b/arch/m68k/configs/q40_defconfig @@ -589,7 +589,6 @@ 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 CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig index f52d9af92153..a49ff5330e5b 100644 --- a/arch/m68k/configs/sun3_defconfig +++ b/arch/m68k/configs/sun3_defconfig @@ -569,7 +569,6 @@ 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 CONFIG_TEST_XARRAY=m diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig index f348447824da..3022ff492136 100644 --- a/arch/m68k/configs/sun3x_defconfig +++ b/arch/m68k/configs/sun3x_defconfig @@ -570,7 +570,6 @@ 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 CONFIG_TEST_XARRAY=m diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig index 465eb96c755e..819387cbbe69 100644 --- a/arch/powerpc/configs/ppc64_defconfig +++ b/arch/powerpc/configs/ppc64_defconfig @@ -445,7 +445,6 @@ 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 CONFIG_TEST_XARRAY=m diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 1af972a92d06..716c4ef857bb 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 SCANF_KUNIT_TEST + tristate "KUnit test scanf() family of functions at runtime" if !KUNIT_ALL_TESTS + depends on KUNIT + default KUNIT_ALL_TESTS + help + Enable this option to test the scanf 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 @@ -2443,9 +2460,6 @@ config TEST_KSTRTOX config TEST_PRINTF tristate "Test printf() family of functions at runtime"

-config TEST_SCANF - tristate "Test scanf() family of functions at runtime" - config TEST_BITMAP tristate "Test bitmap_*() family of functions at runtime" help diff --git a/lib/Makefile b/lib/Makefile index d5cfc7afbbb8..6bdf2287878d 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -85,7 +85,7 @@ 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-$(CONFIG_TEST_SCANF) += test_scanf.o +obj-$(CONFIG_SCANF_KUNIT_TEST) += scanf_kunit.o

obj-$(CONFIG_TEST_BITMAP) += test_bitmap.o ifeq ($(CONFIG_CC_IS_CLANG)$(CONFIG_KASAN),yy) diff --git a/lib/test_scanf.c b/lib/scanf_kunit.c similarity index 30% rename from lib/test_scanf.c rename to lib/scanf_kunit.c index 44f8508c9d88..70364ce20ec3 100644 --- a/lib/test_scanf.c +++ b/lib/scanf_kunit.c @@ -5,8 +5,8 @@

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

+#include <kunit/test.h> #include <linux/bitops.h> -#include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/overflow.h> @@ -15,148 +15,123 @@ #include <linux/slab.h> #include <linux/string.h>

-#include "../tools/testing/selftests/kselftest_module.h" - #define BUF_SIZE 1024

-KSTM_MODULE_GLOBALS(); -static char *test_buffer __initdata; -static char *fmt_buffer __initdata; -static struct rnd_state rnd_state __initdata; +static char *test_buffer; +static char *fmt_buffer; +static struct rnd_state rnd_state;

-typedef int (*check_fn)(const void *check_data, const char *string, +typedef void (*check_fn)(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap);

-static void __scanf(4, 6) __init -_test(check_fn fn, const void *check_data, const char *string, const char *fmt, +static void __scanf(5, 7) +_test(struct kunit *test, check_fn fn, const void *check_data, const char *string, const char *fmt, int n_args, ...) { va_list ap, ap_copy; - int ret; - - total_tests++;

va_start(ap, n_args); va_copy(ap_copy, ap); - ret = vsscanf(string, fmt, ap_copy); + KUNIT_EXPECT_EQ_MSG(test, vsscanf(string, fmt, ap_copy), n_args, + "vsscanf("%s", "%s", ...)", string, fmt); va_end(ap_copy);

- if (ret != n_args) { - pr_warn("vsscanf("%s", "%s", ...) returned %d expected %d\n", - string, fmt, ret, n_args); - goto fail; - } - - ret = (*fn)(check_data, string, fmt, n_args, ap); - if (ret) - goto fail; - - va_end(ap); - - return; - -fail: - failed_tests++; + (*fn)(test, check_data, string, fmt, n_args, ap); va_end(ap); }

-#define _check_numbers_template(arg_fmt, expect, str, fmt, n_args, ap) \ +#define _check_numbers_template(test, arg_fmt, expect, str, fmt, n_args, ap) \ do { \ pr_debug(""%s", "%s" ->\n", str, fmt); \ for (; n_args > 0; n_args--, expect++) { \ typeof(*expect) got = *va_arg(ap, typeof(expect)); \ pr_debug("\t" arg_fmt "\n", got); \ - if (got != *expect) { \ - pr_warn("vsscanf("%s", "%s", ...) expected " arg_fmt " got " arg_fmt "\n", \ - str, fmt, *expect, got); \ - return 1; \ - } \ + KUNIT_EXPECT_EQ_MSG(test, got, *expect, "vsscanf("%s", "%s", ...)", str, fmt); \ } \ - return 0; \ } while (0)

-static int __init check_ull(const void *check_data, const char *string, +static void check_ull(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const unsigned long long *pval = check_data;

- _check_numbers_template("%llu", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%llu", pval, string, fmt, n_args, ap); }

-static int __init check_ll(const void *check_data, const char *string, +static void check_ll(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const long long *pval = check_data;

- _check_numbers_template("%lld", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%lld", pval, string, fmt, n_args, ap); }

-static int __init check_ulong(const void *check_data, const char *string, +static void check_ulong(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const unsigned long *pval = check_data;

- _check_numbers_template("%lu", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%lu", pval, string, fmt, n_args, ap); }

-static int __init check_long(const void *check_data, const char *string, +static void check_long(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const long *pval = check_data;

- _check_numbers_template("%ld", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%ld", pval, string, fmt, n_args, ap); }

-static int __init check_uint(const void *check_data, const char *string, +static void check_uint(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const unsigned int *pval = check_data;

- _check_numbers_template("%u", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%u", pval, string, fmt, n_args, ap); }

-static int __init check_int(const void *check_data, const char *string, +static void check_int(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const int *pval = check_data;

- _check_numbers_template("%d", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%d", pval, string, fmt, n_args, ap); }

-static int __init check_ushort(const void *check_data, const char *string, +static void check_ushort(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const unsigned short *pval = check_data;

- _check_numbers_template("%hu", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%hu", pval, string, fmt, n_args, ap); }

-static int __init check_short(const void *check_data, const char *string, +static void check_short(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const short *pval = check_data;

- _check_numbers_template("%hd", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%hd", pval, string, fmt, n_args, ap); }

-static int __init check_uchar(const void *check_data, const char *string, +static void check_uchar(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const unsigned char *pval = check_data;

- _check_numbers_template("%hhu", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%hhu", pval, string, fmt, n_args, ap); }

-static int __init check_char(const void *check_data, const char *string, +static void check_char(struct kunit *test, const void *check_data, const char *string, const char *fmt, int n_args, va_list ap) { const signed char *pval = check_data;

- _check_numbers_template("%hhd", pval, string, fmt, n_args, ap); + _check_numbers_template(test, "%hhd", pval, string, fmt, n_args, ap); }

/* Selection of interesting numbers to test, copied from test-kstrtox.c */ -static const unsigned long long numbers[] __initconst = { +static const unsigned long long numbers[] = { 0x0ULL, 0x1ULL, 0x7fULL, @@ -190,76 +165,76 @@ static const unsigned long long numbers[] __initconst = { : ((unsigned long long)(val) <= type_max(T)))

-#define test_one_number(T, gen_fmt, scan_fmt, val, fn) \ -do { \ - const T expect_val = (T)(val); \ - T result = ~expect_val; /* should be overwritten */ \ - \ - snprintf(test_buffer, BUF_SIZE, gen_fmt, expect_val); \ - _test(fn, &expect_val, test_buffer, "%" scan_fmt, 1, &result); \ +#define test_one_number(test, T, gen_fmt, scan_fmt, val, fn) \ +do { \ + const T expect_val = (T)(val); \ + T result = ~expect_val; /* should be overwritten */ \ + \ + snprintf(test_buffer, BUF_SIZE, gen_fmt, expect_val); \ + _test(test, fn, &expect_val, test_buffer, "%" scan_fmt, 1, &result); \ } while (0)

-#define simple_numbers_loop(T, gen_fmt, scan_fmt, fn) \ +#define simple_numbers_loop(test, T, gen_fmt, scan_fmt, fn) \ do { \ int i; \ \ for (i = 0; i < ARRAY_SIZE(numbers); i++) { \ if (value_representable_in_type(T, numbers[i])) \ - test_one_number(T, gen_fmt, scan_fmt, \ + test_one_number(test, T, gen_fmt, scan_fmt, \ numbers[i], fn); \ \ if (value_representable_in_type(T, -numbers[i])) \ - test_one_number(T, gen_fmt, scan_fmt, \ + test_one_number(test, T, gen_fmt, scan_fmt, \ -numbers[i], fn); \ } \ } while (0)

-static void __init numbers_simple(void) -{ - simple_numbers_loop(unsigned long long, "%llu", "llu", check_ull); - simple_numbers_loop(long long, "%lld", "lld", check_ll); - simple_numbers_loop(long long, "%lld", "lli", check_ll); - simple_numbers_loop(unsigned long long, "%llx", "llx", check_ull); - simple_numbers_loop(long long, "%llx", "llx", check_ll); - simple_numbers_loop(long long, "0x%llx", "lli", check_ll); - simple_numbers_loop(unsigned long long, "0x%llx", "llx", check_ull); - simple_numbers_loop(long long, "0x%llx", "llx", check_ll); - - simple_numbers_loop(unsigned long, "%lu", "lu", check_ulong); - simple_numbers_loop(long, "%ld", "ld", check_long); - simple_numbers_loop(long, "%ld", "li", check_long); - simple_numbers_loop(unsigned long, "%lx", "lx", check_ulong); - simple_numbers_loop(long, "%lx", "lx", check_long); - simple_numbers_loop(long, "0x%lx", "li", check_long); - simple_numbers_loop(unsigned long, "0x%lx", "lx", check_ulong); - simple_numbers_loop(long, "0x%lx", "lx", check_long); - - simple_numbers_loop(unsigned int, "%u", "u", check_uint); - simple_numbers_loop(int, "%d", "d", check_int); - simple_numbers_loop(int, "%d", "i", check_int); - simple_numbers_loop(unsigned int, "%x", "x", check_uint); - simple_numbers_loop(int, "%x", "x", check_int); - simple_numbers_loop(int, "0x%x", "i", check_int); - simple_numbers_loop(unsigned int, "0x%x", "x", check_uint); - simple_numbers_loop(int, "0x%x", "x", check_int); - - simple_numbers_loop(unsigned short, "%hu", "hu", check_ushort); - simple_numbers_loop(short, "%hd", "hd", check_short); - simple_numbers_loop(short, "%hd", "hi", check_short); - simple_numbers_loop(unsigned short, "%hx", "hx", check_ushort); - simple_numbers_loop(short, "%hx", "hx", check_short); - simple_numbers_loop(short, "0x%hx", "hi", check_short); - simple_numbers_loop(unsigned short, "0x%hx", "hx", check_ushort); - simple_numbers_loop(short, "0x%hx", "hx", check_short); - - simple_numbers_loop(unsigned char, "%hhu", "hhu", check_uchar); - simple_numbers_loop(signed char, "%hhd", "hhd", check_char); - simple_numbers_loop(signed char, "%hhd", "hhi", check_char); - simple_numbers_loop(unsigned char, "%hhx", "hhx", check_uchar); - simple_numbers_loop(signed char, "%hhx", "hhx", check_char); - simple_numbers_loop(signed char, "0x%hhx", "hhi", check_char); - simple_numbers_loop(unsigned char, "0x%hhx", "hhx", check_uchar); - simple_numbers_loop(signed char, "0x%hhx", "hhx", check_char); +static void numbers_simple(struct kunit *test) +{ + simple_numbers_loop(test, unsigned long long, "%llu", "llu", check_ull); + simple_numbers_loop(test, long long, "%lld", "lld", check_ll); + simple_numbers_loop(test, long long, "%lld", "lli", check_ll); + simple_numbers_loop(test, unsigned long long, "%llx", "llx", check_ull); + simple_numbers_loop(test, long long, "%llx", "llx", check_ll); + simple_numbers_loop(test, long long, "0x%llx", "lli", check_ll); + simple_numbers_loop(test, unsigned long long, "0x%llx", "llx", check_ull); + simple_numbers_loop(test, long long, "0x%llx", "llx", check_ll); + + simple_numbers_loop(test, unsigned long, "%lu", "lu", check_ulong); + simple_numbers_loop(test, long, "%ld", "ld", check_long); + simple_numbers_loop(test, long, "%ld", "li", check_long); + simple_numbers_loop(test, unsigned long, "%lx", "lx", check_ulong); + simple_numbers_loop(test, long, "%lx", "lx", check_long); + simple_numbers_loop(test, long, "0x%lx", "li", check_long); + simple_numbers_loop(test, unsigned long, "0x%lx", "lx", check_ulong); + simple_numbers_loop(test, long, "0x%lx", "lx", check_long); + + simple_numbers_loop(test, unsigned int, "%u", "u", check_uint); + simple_numbers_loop(test, int, "%d", "d", check_int); + simple_numbers_loop(test, int, "%d", "i", check_int); + simple_numbers_loop(test, unsigned int, "%x", "x", check_uint); + simple_numbers_loop(test, int, "%x", "x", check_int); + simple_numbers_loop(test, int, "0x%x", "i", check_int); + simple_numbers_loop(test, unsigned int, "0x%x", "x", check_uint); + simple_numbers_loop(test, int, "0x%x", "x", check_int); + + simple_numbers_loop(test, unsigned short, "%hu", "hu", check_ushort); + simple_numbers_loop(test, short, "%hd", "hd", check_short); + simple_numbers_loop(test, short, "%hd", "hi", check_short); + simple_numbers_loop(test, unsigned short, "%hx", "hx", check_ushort); + simple_numbers_loop(test, short, "%hx", "hx", check_short); + simple_numbers_loop(test, short, "0x%hx", "hi", check_short); + simple_numbers_loop(test, unsigned short, "0x%hx", "hx", check_ushort); + simple_numbers_loop(test, short, "0x%hx", "hx", check_short); + + simple_numbers_loop(test, unsigned char, "%hhu", "hhu", check_uchar); + simple_numbers_loop(test, signed char, "%hhd", "hhd", check_char); + simple_numbers_loop(test, signed char, "%hhd", "hhi", check_char); + simple_numbers_loop(test, unsigned char, "%hhx", "hhx", check_uchar); + simple_numbers_loop(test, signed char, "%hhx", "hhx", check_char); + simple_numbers_loop(test, signed char, "0x%hhx", "hhi", check_char); + simple_numbers_loop(test, unsigned char, "0x%hhx", "hhx", check_uchar); + simple_numbers_loop(test, signed char, "0x%hhx", "hhx", check_char); }

/* @@ -267,14 +242,14 @@ static void __init numbers_simple(void) * the raw prandom*() functions (Not mathematically rigorous!!). * Variabilty of length and value is more important than perfect randomness. */ -static u32 __init next_test_random(u32 max_bits) +static u32 next_test_random(u32 max_bits) { u32 n_bits = hweight32(prandom_u32_state(&rnd_state)) % (max_bits + 1);

return prandom_u32_state(&rnd_state) & GENMASK(n_bits, 0); }

-static unsigned long long __init next_test_random_ull(void) +static unsigned long long next_test_random_ull(void) { u32 rand1 = prandom_u32_state(&rnd_state); u32 n_bits = (hweight32(rand1) * 3) % 64; @@ -311,7 +286,7 @@ do { \ * updating buf_pos and returning the number of characters appended. * On error buf_pos is not changed and return value is 0. */ -static int __init __printf(4, 5) +static int __printf(4, 5) append_fmt(char *buf, int *buf_pos, int buf_len, const char *val_fmt, ...) { va_list ap; @@ -333,7 +308,7 @@ append_fmt(char *buf, int *buf_pos, int buf_len, const char *val_fmt, ...) * Convenience function to append the field delimiter string * to both the value string and format string buffers. */ -static void __init append_delim(char *str_buf, int *str_buf_pos, int str_buf_len, +static void append_delim(char *str_buf, int *str_buf_pos, int str_buf_len, char *fmt_buf, int *fmt_buf_pos, int fmt_buf_len, const char *delim_str) { @@ -341,15 +316,15 @@ static void __init append_delim(char *str_buf, int *str_buf_pos, int str_buf_len append_fmt(fmt_buf, fmt_buf_pos, fmt_buf_len, delim_str); }

-#define test_array_8(fn, check_data, string, fmt, arr) \ +#define test_array_8(test, fn, check_data, string, fmt, arr) \ do { \ BUILD_BUG_ON(ARRAY_SIZE(arr) != 8); \ - _test(fn, check_data, string, fmt, 8, \ + _test(test, fn, check_data, string, fmt, 8, \ &(arr)[0], &(arr)[1], &(arr)[2], &(arr)[3], \ &(arr)[4], &(arr)[5], &(arr)[6], &(arr)[7]); \ } while (0)

-#define numbers_list_8(T, gen_fmt, field_sep, scan_fmt, fn) \ +#define numbers_list_8(test, T, gen_fmt, field_sep, scan_fmt, fn) \ do { \ int i, pos = 0, fmt_pos = 0; \ T expect[8], result[8]; \ @@ -366,18 +341,18 @@ do { \ append_fmt(fmt_buffer, &fmt_pos, BUF_SIZE, "%%%s", scan_fmt); \ } \ \ - test_array_8(fn, expect, test_buffer, fmt_buffer, result); \ + test_array_8(test, fn, expect, test_buffer, fmt_buffer, result); \ } while (0)

-#define numbers_list_fix_width(T, gen_fmt, field_sep, width, scan_fmt, fn) \ +#define numbers_list_fix_width(test, T, gen_fmt, field_sep, width, scan_fmt, fn)\ do { \ char full_fmt[16]; \ \ snprintf(full_fmt, sizeof(full_fmt), "%u%s", width, scan_fmt); \ - numbers_list_8(T, gen_fmt, field_sep, full_fmt, fn); \ + numbers_list_8(test, T, gen_fmt, field_sep, full_fmt, fn); \ } while (0)

-#define numbers_list_val_width(T, gen_fmt, field_sep, scan_fmt, fn) \ +#define numbers_list_val_width(test, T, gen_fmt, field_sep, scan_fmt, fn) \ do { \ int i, val_len, pos = 0, fmt_pos = 0; \ T expect[8], result[8]; \ @@ -395,201 +370,201 @@ do { \ "%%%u%s", val_len, scan_fmt); \ } \ \ - test_array_8(fn, expect, test_buffer, fmt_buffer, result); \ + test_array_8(test, fn, expect, test_buffer, fmt_buffer, result); \ } while (0)

-static void __init numbers_list_ll(const char *delim) +static void numbers_list_ll(struct kunit *test, const char *delim) { - numbers_list_8(unsigned long long, "%llu", delim, "llu", check_ull); - numbers_list_8(long long, "%lld", delim, "lld", check_ll); - numbers_list_8(long long, "%lld", delim, "lli", check_ll); - numbers_list_8(unsigned long long, "%llx", delim, "llx", check_ull); - numbers_list_8(unsigned long long, "0x%llx", delim, "llx", check_ull); - numbers_list_8(long long, "0x%llx", delim, "lli", check_ll); + numbers_list_8(test, unsigned long long, "%llu", delim, "llu", check_ull); + numbers_list_8(test, long long, "%lld", delim, "lld", check_ll); + numbers_list_8(test, long long, "%lld", delim, "lli", check_ll); + numbers_list_8(test, unsigned long long, "%llx", delim, "llx", check_ull); + numbers_list_8(test, unsigned long long, "0x%llx", delim, "llx", check_ull); + numbers_list_8(test, long long, "0x%llx", delim, "lli", check_ll); }

-static void __init numbers_list_l(const char *delim) +static void numbers_list_l(struct kunit *test, const char *delim) { - numbers_list_8(unsigned long, "%lu", delim, "lu", check_ulong); - numbers_list_8(long, "%ld", delim, "ld", check_long); - numbers_list_8(long, "%ld", delim, "li", check_long); - numbers_list_8(unsigned long, "%lx", delim, "lx", check_ulong); - numbers_list_8(unsigned long, "0x%lx", delim, "lx", check_ulong); - numbers_list_8(long, "0x%lx", delim, "li", check_long); + numbers_list_8(test, unsigned long, "%lu", delim, "lu", check_ulong); + numbers_list_8(test, long, "%ld", delim, "ld", check_long); + numbers_list_8(test, long, "%ld", delim, "li", check_long); + numbers_list_8(test, unsigned long, "%lx", delim, "lx", check_ulong); + numbers_list_8(test, unsigned long, "0x%lx", delim, "lx", check_ulong); + numbers_list_8(test, long, "0x%lx", delim, "li", check_long); }

-static void __init numbers_list_d(const char *delim) +static void numbers_list_d(struct kunit *test, const char *delim) { - numbers_list_8(unsigned int, "%u", delim, "u", check_uint); - numbers_list_8(int, "%d", delim, "d", check_int); - numbers_list_8(int, "%d", delim, "i", check_int); - numbers_list_8(unsigned int, "%x", delim, "x", check_uint); - numbers_list_8(unsigned int, "0x%x", delim, "x", check_uint); - numbers_list_8(int, "0x%x", delim, "i", check_int); + numbers_list_8(test, unsigned int, "%u", delim, "u", check_uint); + numbers_list_8(test, int, "%d", delim, "d", check_int); + numbers_list_8(test, int, "%d", delim, "i", check_int); + numbers_list_8(test, unsigned int, "%x", delim, "x", check_uint); + numbers_list_8(test, unsigned int, "0x%x", delim, "x", check_uint); + numbers_list_8(test, int, "0x%x", delim, "i", check_int); }

-static void __init numbers_list_h(const char *delim) +static void numbers_list_h(struct kunit *test, const char *delim) { - numbers_list_8(unsigned short, "%hu", delim, "hu", check_ushort); - numbers_list_8(short, "%hd", delim, "hd", check_short); - numbers_list_8(short, "%hd", delim, "hi", check_short); - numbers_list_8(unsigned short, "%hx", delim, "hx", check_ushort); - numbers_list_8(unsigned short, "0x%hx", delim, "hx", check_ushort); - numbers_list_8(short, "0x%hx", delim, "hi", check_short); + numbers_list_8(test, unsigned short, "%hu", delim, "hu", check_ushort); + numbers_list_8(test, short, "%hd", delim, "hd", check_short); + numbers_list_8(test, short, "%hd", delim, "hi", check_short); + numbers_list_8(test, unsigned short, "%hx", delim, "hx", check_ushort); + numbers_list_8(test, unsigned short, "0x%hx", delim, "hx", check_ushort); + numbers_list_8(test, short, "0x%hx", delim, "hi", check_short); }

-static void __init numbers_list_hh(const char *delim) +static void numbers_list_hh(struct kunit *test, const char *delim) { - numbers_list_8(unsigned char, "%hhu", delim, "hhu", check_uchar); - numbers_list_8(signed char, "%hhd", delim, "hhd", check_char); - numbers_list_8(signed char, "%hhd", delim, "hhi", check_char); - numbers_list_8(unsigned char, "%hhx", delim, "hhx", check_uchar); - numbers_list_8(unsigned char, "0x%hhx", delim, "hhx", check_uchar); - numbers_list_8(signed char, "0x%hhx", delim, "hhi", check_char); + numbers_list_8(test, unsigned char, "%hhu", delim, "hhu", check_uchar); + numbers_list_8(test, signed char, "%hhd", delim, "hhd", check_char); + numbers_list_8(test, signed char, "%hhd", delim, "hhi", check_char); + numbers_list_8(test, unsigned char, "%hhx", delim, "hhx", check_uchar); + numbers_list_8(test, unsigned char, "0x%hhx", delim, "hhx", check_uchar); + numbers_list_8(test, signed char, "0x%hhx", delim, "hhi", check_char); }

-static void __init numbers_list(const char *delim) +static void numbers_list(struct kunit *test, const char *delim) { - numbers_list_ll(delim); - numbers_list_l(delim); - numbers_list_d(delim); - numbers_list_h(delim); - numbers_list_hh(delim); + numbers_list_ll(test, delim); + numbers_list_l(test, delim); + numbers_list_d(test, delim); + numbers_list_h(test, delim); + numbers_list_hh(test, delim); }

-static void __init numbers_list_field_width_ll(const char *delim) +static void numbers_list_field_width_ll(struct kunit *test, const char *delim) { - numbers_list_fix_width(unsigned long long, "%llu", delim, 20, "llu", check_ull); - numbers_list_fix_width(long long, "%lld", delim, 20, "lld", check_ll); - numbers_list_fix_width(long long, "%lld", delim, 20, "lli", check_ll); - numbers_list_fix_width(unsigned long long, "%llx", delim, 16, "llx", check_ull); - numbers_list_fix_width(unsigned long long, "0x%llx", delim, 18, "llx", check_ull); - numbers_list_fix_width(long long, "0x%llx", delim, 18, "lli", check_ll); + numbers_list_fix_width(test, unsigned long long, "%llu", delim, 20, "llu", check_ull); + numbers_list_fix_width(test, long long, "%lld", delim, 20, "lld", check_ll); + numbers_list_fix_width(test, long long, "%lld", delim, 20, "lli", check_ll); + numbers_list_fix_width(test, unsigned long long, "%llx", delim, 16, "llx", check_ull); + numbers_list_fix_width(test, unsigned long long, "0x%llx", delim, 18, "llx", check_ull); + numbers_list_fix_width(test, long long, "0x%llx", delim, 18, "lli", check_ll); }

-static void __init numbers_list_field_width_l(const char *delim) +static void numbers_list_field_width_l(struct kunit *test, const char *delim) { #if BITS_PER_LONG == 64 - numbers_list_fix_width(unsigned long, "%lu", delim, 20, "lu", check_ulong); - numbers_list_fix_width(long, "%ld", delim, 20, "ld", check_long); - numbers_list_fix_width(long, "%ld", delim, 20, "li", check_long); - numbers_list_fix_width(unsigned long, "%lx", delim, 16, "lx", check_ulong); - numbers_list_fix_width(unsigned long, "0x%lx", delim, 18, "lx", check_ulong); - numbers_list_fix_width(long, "0x%lx", delim, 18, "li", check_long); + numbers_list_fix_width(test, unsigned long, "%lu", delim, 20, "lu", check_ulong); + numbers_list_fix_width(test, long, "%ld", delim, 20, "ld", check_long); + numbers_list_fix_width(test, long, "%ld", delim, 20, "li", check_long); + numbers_list_fix_width(test, unsigned long, "%lx", delim, 16, "lx", check_ulong); + numbers_list_fix_width(test, unsigned long, "0x%lx", delim, 18, "lx", check_ulong); + numbers_list_fix_width(test, long, "0x%lx", delim, 18, "li", check_long); #else - numbers_list_fix_width(unsigned long, "%lu", delim, 10, "lu", check_ulong); - numbers_list_fix_width(long, "%ld", delim, 11, "ld", check_long); - numbers_list_fix_width(long, "%ld", delim, 11, "li", check_long); - numbers_list_fix_width(unsigned long, "%lx", delim, 8, "lx", check_ulong); - numbers_list_fix_width(unsigned long, "0x%lx", delim, 10, "lx", check_ulong); - numbers_list_fix_width(long, "0x%lx", delim, 10, "li", check_long); + numbers_list_fix_width(test, unsigned long, "%lu", delim, 10, "lu", check_ulong); + numbers_list_fix_width(test, long, "%ld", delim, 11, "ld", check_long); + numbers_list_fix_width(test, long, "%ld", delim, 11, "li", check_long); + numbers_list_fix_width(test, unsigned long, "%lx", delim, 8, "lx", check_ulong); + numbers_list_fix_width(test, unsigned long, "0x%lx", delim, 10, "lx", check_ulong); + numbers_list_fix_width(test, long, "0x%lx", delim, 10, "li", check_long); #endif }

-static void __init numbers_list_field_width_d(const char *delim) +static void numbers_list_field_width_d(struct kunit *test, const char *delim) { - numbers_list_fix_width(unsigned int, "%u", delim, 10, "u", check_uint); - numbers_list_fix_width(int, "%d", delim, 11, "d", check_int); - numbers_list_fix_width(int, "%d", delim, 11, "i", check_int); - numbers_list_fix_width(unsigned int, "%x", delim, 8, "x", check_uint); - numbers_list_fix_width(unsigned int, "0x%x", delim, 10, "x", check_uint); - numbers_list_fix_width(int, "0x%x", delim, 10, "i", check_int); + numbers_list_fix_width(test, unsigned int, "%u", delim, 10, "u", check_uint); + numbers_list_fix_width(test, int, "%d", delim, 11, "d", check_int); + numbers_list_fix_width(test, int, "%d", delim, 11, "i", check_int); + numbers_list_fix_width(test, unsigned int, "%x", delim, 8, "x", check_uint); + numbers_list_fix_width(test, unsigned int, "0x%x", delim, 10, "x", check_uint); + numbers_list_fix_width(test, int, "0x%x", delim, 10, "i", check_int); }

-static void __init numbers_list_field_width_h(const char *delim) +static void numbers_list_field_width_h(struct kunit *test, const char *delim) { - numbers_list_fix_width(unsigned short, "%hu", delim, 5, "hu", check_ushort); - numbers_list_fix_width(short, "%hd", delim, 6, "hd", check_short); - numbers_list_fix_width(short, "%hd", delim, 6, "hi", check_short); - numbers_list_fix_width(unsigned short, "%hx", delim, 4, "hx", check_ushort); - numbers_list_fix_width(unsigned short, "0x%hx", delim, 6, "hx", check_ushort); - numbers_list_fix_width(short, "0x%hx", delim, 6, "hi", check_short); + numbers_list_fix_width(test, unsigned short, "%hu", delim, 5, "hu", check_ushort); + numbers_list_fix_width(test, short, "%hd", delim, 6, "hd", check_short); + numbers_list_fix_width(test, short, "%hd", delim, 6, "hi", check_short); + numbers_list_fix_width(test, unsigned short, "%hx", delim, 4, "hx", check_ushort); + numbers_list_fix_width(test, unsigned short, "0x%hx", delim, 6, "hx", check_ushort); + numbers_list_fix_width(test, short, "0x%hx", delim, 6, "hi", check_short); }

-static void __init numbers_list_field_width_hh(const char *delim) +static void numbers_list_field_width_hh(struct kunit *test, const char *delim) { - numbers_list_fix_width(unsigned char, "%hhu", delim, 3, "hhu", check_uchar); - numbers_list_fix_width(signed char, "%hhd", delim, 4, "hhd", check_char); - numbers_list_fix_width(signed char, "%hhd", delim, 4, "hhi", check_char); - numbers_list_fix_width(unsigned char, "%hhx", delim, 2, "hhx", check_uchar); - numbers_list_fix_width(unsigned char, "0x%hhx", delim, 4, "hhx", check_uchar); - numbers_list_fix_width(signed char, "0x%hhx", delim, 4, "hhi", check_char); + numbers_list_fix_width(test, unsigned char, "%hhu", delim, 3, "hhu", check_uchar); + numbers_list_fix_width(test, signed char, "%hhd", delim, 4, "hhd", check_char); + numbers_list_fix_width(test, signed char, "%hhd", delim, 4, "hhi", check_char); + numbers_list_fix_width(test, unsigned char, "%hhx", delim, 2, "hhx", check_uchar); + numbers_list_fix_width(test, unsigned char, "0x%hhx", delim, 4, "hhx", check_uchar); + numbers_list_fix_width(test, signed char, "0x%hhx", delim, 4, "hhi", check_char); }

/* * List of numbers separated by delim. Each field width specifier is the * maximum possible digits for the given type and base. */ -static void __init numbers_list_field_width_typemax(const char *delim) +static void numbers_list_field_width_typemax(struct kunit *test, const char *delim) { - numbers_list_field_width_ll(delim); - numbers_list_field_width_l(delim); - numbers_list_field_width_d(delim); - numbers_list_field_width_h(delim); - numbers_list_field_width_hh(delim); + numbers_list_field_width_ll(test, delim); + numbers_list_field_width_l(test, delim); + numbers_list_field_width_d(test, delim); + numbers_list_field_width_h(test, delim); + numbers_list_field_width_hh(test, delim); }

-static void __init numbers_list_field_width_val_ll(const char *delim) +static void numbers_list_field_width_val_ll(struct kunit *test, const char *delim) { - numbers_list_val_width(unsigned long long, "%llu", delim, "llu", check_ull); - numbers_list_val_width(long long, "%lld", delim, "lld", check_ll); - numbers_list_val_width(long long, "%lld", delim, "lli", check_ll); - numbers_list_val_width(unsigned long long, "%llx", delim, "llx", check_ull); - numbers_list_val_width(unsigned long long, "0x%llx", delim, "llx", check_ull); - numbers_list_val_width(long long, "0x%llx", delim, "lli", check_ll); + numbers_list_val_width(test, unsigned long long, "%llu", delim, "llu", check_ull); + numbers_list_val_width(test, long long, "%lld", delim, "lld", check_ll); + numbers_list_val_width(test, long long, "%lld", delim, "lli", check_ll); + numbers_list_val_width(test, unsigned long long, "%llx", delim, "llx", check_ull); + numbers_list_val_width(test, unsigned long long, "0x%llx", delim, "llx", check_ull); + numbers_list_val_width(test, long long, "0x%llx", delim, "lli", check_ll); }

-static void __init numbers_list_field_width_val_l(const char *delim) +static void numbers_list_field_width_val_l(struct kunit *test, const char *delim) { - numbers_list_val_width(unsigned long, "%lu", delim, "lu", check_ulong); - numbers_list_val_width(long, "%ld", delim, "ld", check_long); - numbers_list_val_width(long, "%ld", delim, "li", check_long); - numbers_list_val_width(unsigned long, "%lx", delim, "lx", check_ulong); - numbers_list_val_width(unsigned long, "0x%lx", delim, "lx", check_ulong); - numbers_list_val_width(long, "0x%lx", delim, "li", check_long); + numbers_list_val_width(test, unsigned long, "%lu", delim, "lu", check_ulong); + numbers_list_val_width(test, long, "%ld", delim, "ld", check_long); + numbers_list_val_width(test, long, "%ld", delim, "li", check_long); + numbers_list_val_width(test, unsigned long, "%lx", delim, "lx", check_ulong); + numbers_list_val_width(test, unsigned long, "0x%lx", delim, "lx", check_ulong); + numbers_list_val_width(test, long, "0x%lx", delim, "li", check_long); }

-static void __init numbers_list_field_width_val_d(const char *delim) +static void numbers_list_field_width_val_d(struct kunit *test, const char *delim) { - numbers_list_val_width(unsigned int, "%u", delim, "u", check_uint); - numbers_list_val_width(int, "%d", delim, "d", check_int); - numbers_list_val_width(int, "%d", delim, "i", check_int); - numbers_list_val_width(unsigned int, "%x", delim, "x", check_uint); - numbers_list_val_width(unsigned int, "0x%x", delim, "x", check_uint); - numbers_list_val_width(int, "0x%x", delim, "i", check_int); + numbers_list_val_width(test, unsigned int, "%u", delim, "u", check_uint); + numbers_list_val_width(test, int, "%d", delim, "d", check_int); + numbers_list_val_width(test, int, "%d", delim, "i", check_int); + numbers_list_val_width(test, unsigned int, "%x", delim, "x", check_uint); + numbers_list_val_width(test, unsigned int, "0x%x", delim, "x", check_uint); + numbers_list_val_width(test, int, "0x%x", delim, "i", check_int); }

-static void __init numbers_list_field_width_val_h(const char *delim) +static void numbers_list_field_width_val_h(struct kunit *test, const char *delim) { - numbers_list_val_width(unsigned short, "%hu", delim, "hu", check_ushort); - numbers_list_val_width(short, "%hd", delim, "hd", check_short); - numbers_list_val_width(short, "%hd", delim, "hi", check_short); - numbers_list_val_width(unsigned short, "%hx", delim, "hx", check_ushort); - numbers_list_val_width(unsigned short, "0x%hx", delim, "hx", check_ushort); - numbers_list_val_width(short, "0x%hx", delim, "hi", check_short); + numbers_list_val_width(test, unsigned short, "%hu", delim, "hu", check_ushort); + numbers_list_val_width(test, short, "%hd", delim, "hd", check_short); + numbers_list_val_width(test, short, "%hd", delim, "hi", check_short); + numbers_list_val_width(test, unsigned short, "%hx", delim, "hx", check_ushort); + numbers_list_val_width(test, unsigned short, "0x%hx", delim, "hx", check_ushort); + numbers_list_val_width(test, short, "0x%hx", delim, "hi", check_short); }

-static void __init numbers_list_field_width_val_hh(const char *delim) +static void numbers_list_field_width_val_hh(struct kunit *test, const char *delim) { - numbers_list_val_width(unsigned char, "%hhu", delim, "hhu", check_uchar); - numbers_list_val_width(signed char, "%hhd", delim, "hhd", check_char); - numbers_list_val_width(signed char, "%hhd", delim, "hhi", check_char); - numbers_list_val_width(unsigned char, "%hhx", delim, "hhx", check_uchar); - numbers_list_val_width(unsigned char, "0x%hhx", delim, "hhx", check_uchar); - numbers_list_val_width(signed char, "0x%hhx", delim, "hhi", check_char); + numbers_list_val_width(test, unsigned char, "%hhu", delim, "hhu", check_uchar); + numbers_list_val_width(test, signed char, "%hhd", delim, "hhd", check_char); + numbers_list_val_width(test, signed char, "%hhd", delim, "hhi", check_char); + numbers_list_val_width(test, unsigned char, "%hhx", delim, "hhx", check_uchar); + numbers_list_val_width(test, unsigned char, "0x%hhx", delim, "hhx", check_uchar); + numbers_list_val_width(test, signed char, "0x%hhx", delim, "hhi", check_char); }

/* * List of numbers separated by delim. Each field width specifier is the * exact length of the corresponding value digits in the string being scanned. */ -static void __init numbers_list_field_width_val_width(const char *delim) +static void numbers_list_field_width_val_width(struct kunit *test, const char *delim) { - numbers_list_field_width_val_ll(delim); - numbers_list_field_width_val_l(delim); - numbers_list_field_width_val_d(delim); - numbers_list_field_width_val_h(delim); - numbers_list_field_width_val_hh(delim); + numbers_list_field_width_val_ll(test, delim); + numbers_list_field_width_val_l(test, delim); + numbers_list_field_width_val_d(test, delim); + numbers_list_field_width_val_h(test, delim); + numbers_list_field_width_val_hh(test, delim); }

/* @@ -598,67 +573,67 @@ static void __init numbers_list_field_width_val_width(const char *delim) * of digits. For example the hex values c0,3,bf01,303 would have a * string representation of "c03bf01303" and extracted with "%2x%1x%4x%3x". */ -static void __init numbers_slice(void) +static void numbers_slice(struct kunit *test) { - numbers_list_field_width_val_width(""); + numbers_list_field_width_val_width(test, ""); }

-#define test_number_prefix(T, str, scan_fmt, expect0, expect1, n_args, fn) \ +#define test_number_prefix(test, T, str, scan_fmt, expect0, expect1, n_args, fn)\ do { \ const T expect[2] = { expect0, expect1 }; \ T result[2] = { (T)~expect[0], (T)~expect[1] }; \ \ - _test(fn, &expect, str, scan_fmt, n_args, &result[0], &result[1]); \ + _test(test, fn, &expect, str, scan_fmt, n_args, &result[0], &result[1]);\ } while (0)

/* * Number prefix is >= field width. * Expected behaviour is derived from testing userland sscanf. */ -static void __init numbers_prefix_overflow(void) +static void numbers_prefix_overflow(struct kunit *test) { /* * Negative decimal with a field of width 1, should quit scanning * and return 0. */ - test_number_prefix(long long, "-1 1", "%1lld %lld", 0, 0, 0, check_ll); - test_number_prefix(long, "-1 1", "%1ld %ld", 0, 0, 0, check_long); - test_number_prefix(int, "-1 1", "%1d %d", 0, 0, 0, check_int); - test_number_prefix(short, "-1 1", "%1hd %hd", 0, 0, 0, check_short); - test_number_prefix(signed char, "-1 1", "%1hhd %hhd", 0, 0, 0, check_char); - - test_number_prefix(long long, "-1 1", "%1lli %lli", 0, 0, 0, check_ll); - test_number_prefix(long, "-1 1", "%1li %li", 0, 0, 0, check_long); - test_number_prefix(int, "-1 1", "%1i %i", 0, 0, 0, check_int); - test_number_prefix(short, "-1 1", "%1hi %hi", 0, 0, 0, check_short); - test_number_prefix(signed char, "-1 1", "%1hhi %hhi", 0, 0, 0, check_char); + test_number_prefix(test, long long, "-1 1", "%1lld %lld", 0, 0, 0, check_ll); + test_number_prefix(test, long, "-1 1", "%1ld %ld", 0, 0, 0, check_long); + test_number_prefix(test, int, "-1 1", "%1d %d", 0, 0, 0, check_int); + test_number_prefix(test, short, "-1 1", "%1hd %hd", 0, 0, 0, check_short); + test_number_prefix(test, signed char, "-1 1", "%1hhd %hhd", 0, 0, 0, check_char); + + test_number_prefix(test, long long, "-1 1", "%1lli %lli", 0, 0, 0, check_ll); + test_number_prefix(test, long, "-1 1", "%1li %li", 0, 0, 0, check_long); + test_number_prefix(test, int, "-1 1", "%1i %i", 0, 0, 0, check_int); + test_number_prefix(test, short, "-1 1", "%1hi %hi", 0, 0, 0, check_short); + test_number_prefix(test, signed char, "-1 1", "%1hhi %hhi", 0, 0, 0, check_char);

/* * 0x prefix in a field of width 1: 0 is a valid digit so should * convert. Next field scan starts at the 'x' which isn't a digit so * scan quits with one field converted. */ - test_number_prefix(unsigned long long, "0xA7", "%1llx%llx", 0, 0, 1, check_ull); - test_number_prefix(unsigned long, "0xA7", "%1lx%lx", 0, 0, 1, check_ulong); - test_number_prefix(unsigned int, "0xA7", "%1x%x", 0, 0, 1, check_uint); - test_number_prefix(unsigned short, "0xA7", "%1hx%hx", 0, 0, 1, check_ushort); - test_number_prefix(unsigned char, "0xA7", "%1hhx%hhx", 0, 0, 1, check_uchar); - test_number_prefix(long long, "0xA7", "%1lli%llx", 0, 0, 1, check_ll); - test_number_prefix(long, "0xA7", "%1li%lx", 0, 0, 1, check_long); - test_number_prefix(int, "0xA7", "%1i%x", 0, 0, 1, check_int); - test_number_prefix(short, "0xA7", "%1hi%hx", 0, 0, 1, check_short); - test_number_prefix(char, "0xA7", "%1hhi%hhx", 0, 0, 1, check_char); + test_number_prefix(test, unsigned long long, "0xA7", "%1llx%llx", 0, 0, 1, check_ull); + test_number_prefix(test, unsigned long, "0xA7", "%1lx%lx", 0, 0, 1, check_ulong); + test_number_prefix(test, unsigned int, "0xA7", "%1x%x", 0, 0, 1, check_uint); + test_number_prefix(test, unsigned short, "0xA7", "%1hx%hx", 0, 0, 1, check_ushort); + test_number_prefix(test, unsigned char, "0xA7", "%1hhx%hhx", 0, 0, 1, check_uchar); + test_number_prefix(test, long long, "0xA7", "%1lli%llx", 0, 0, 1, check_ll); + test_number_prefix(test, long, "0xA7", "%1li%lx", 0, 0, 1, check_long); + test_number_prefix(test, int, "0xA7", "%1i%x", 0, 0, 1, check_int); + test_number_prefix(test, short, "0xA7", "%1hi%hx", 0, 0, 1, check_short); + test_number_prefix(test, char, "0xA7", "%1hhi%hhx", 0, 0, 1, check_char);

/* * 0x prefix in a field of width 2 using %x conversion: first field * converts to 0. Next field scan starts at the character after "0x". * Both fields will convert. */ - test_number_prefix(unsigned long long, "0xA7", "%2llx%llx", 0, 0xa7, 2, check_ull); - test_number_prefix(unsigned long, "0xA7", "%2lx%lx", 0, 0xa7, 2, check_ulong); - test_number_prefix(unsigned int, "0xA7", "%2x%x", 0, 0xa7, 2, check_uint); - test_number_prefix(unsigned short, "0xA7", "%2hx%hx", 0, 0xa7, 2, check_ushort); - test_number_prefix(unsigned char, "0xA7", "%2hhx%hhx", 0, 0xa7, 2, check_uchar); + test_number_prefix(test, unsigned long long, "0xA7", "%2llx%llx", 0, 0xa7, 2, check_ull); + test_number_prefix(test, unsigned long, "0xA7", "%2lx%lx", 0, 0xa7, 2, check_ulong); + test_number_prefix(test, unsigned int, "0xA7", "%2x%x", 0, 0xa7, 2, check_uint); + test_number_prefix(test, unsigned short, "0xA7", "%2hx%hx", 0, 0xa7, 2, check_ushort); + test_number_prefix(test, unsigned char, "0xA7", "%2hhx%hhx", 0, 0xa7, 2, check_uchar);

/* * 0x prefix in a field of width 2 using %i conversion: first field @@ -666,124 +641,112 @@ static void __init numbers_prefix_overflow(void) * which will convert if can be interpreted as decimal but will fail * if it contains any hex digits (since no 0x prefix). */ - test_number_prefix(long long, "0x67", "%2lli%lli", 0, 67, 2, check_ll); - test_number_prefix(long, "0x67", "%2li%li", 0, 67, 2, check_long); - test_number_prefix(int, "0x67", "%2i%i", 0, 67, 2, check_int); - test_number_prefix(short, "0x67", "%2hi%hi", 0, 67, 2, check_short); - test_number_prefix(char, "0x67", "%2hhi%hhi", 0, 67, 2, check_char); - - test_number_prefix(long long, "0xA7", "%2lli%lli", 0, 0, 1, check_ll); - test_number_prefix(long, "0xA7", "%2li%li", 0, 0, 1, check_long); - test_number_prefix(int, "0xA7", "%2i%i", 0, 0, 1, check_int); - test_number_prefix(short, "0xA7", "%2hi%hi", 0, 0, 1, check_short); - test_number_prefix(char, "0xA7", "%2hhi%hhi", 0, 0, 1, check_char); -} - -#define _test_simple_strtoxx(T, fn, gen_fmt, expect, base) \ -do { \ - T got; \ - char *endp; \ - int len; \ - bool fail = false; \ - \ - total_tests++; \ - len = snprintf(test_buffer, BUF_SIZE, gen_fmt, expect); \ - got = (fn)(test_buffer, &endp, base); \ - pr_debug(#fn "("%s", %d) -> " gen_fmt "\n", test_buffer, base, got); \ - if (got != (expect)) { \ - fail = true; \ - pr_warn(#fn "("%s", %d): got " gen_fmt " expected " gen_fmt "\n", \ - test_buffer, base, got, expect); \ - } else if (endp != test_buffer + len) { \ - fail = true; \ - pr_warn(#fn "("%s", %d) startp=0x%px got endp=0x%px expected 0x%px\n", \ - test_buffer, base, test_buffer, \ - test_buffer + len, endp); \ - } \ - \ - if (fail) \ - failed_tests++; \ + test_number_prefix(test, long long, "0x67", "%2lli%lli", 0, 67, 2, check_ll); + test_number_prefix(test, long, "0x67", "%2li%li", 0, 67, 2, check_long); + test_number_prefix(test, int, "0x67", "%2i%i", 0, 67, 2, check_int); + test_number_prefix(test, short, "0x67", "%2hi%hi", 0, 67, 2, check_short); + test_number_prefix(test, char, "0x67", "%2hhi%hhi", 0, 67, 2, check_char); + + test_number_prefix(test, long long, "0xA7", "%2lli%lli", 0, 0, 1, check_ll); + test_number_prefix(test, long, "0xA7", "%2li%li", 0, 0, 1, check_long); + test_number_prefix(test, int, "0xA7", "%2i%i", 0, 0, 1, check_int); + test_number_prefix(test, short, "0xA7", "%2hi%hi", 0, 0, 1, check_short); + test_number_prefix(test, char, "0xA7", "%2hhi%hhi", 0, 0, 1, check_char); +} + +#define _test_simple_strtoxx(test, T, fn, gen_fmt, expect, base) \ +do { \ + T got; \ + char *endp; \ + int len; \ + \ + len = snprintf(test_buffer, BUF_SIZE, gen_fmt, expect); \ + got = (fn)(test_buffer, &endp, base); \ + pr_debug(#fn "("%s", %d) -> " gen_fmt "\n", test_buffer, base, got); \ + KUNIT_EXPECT_EQ_MSG(test, got, expect, #fn "("%s", %d)", test_buffer, base); \ + KUNIT_EXPECT_PTR_EQ_MSG(test, endp, test_buffer + len, \ + #fn "("%s", %d)", test_buffer, base); \ } while (0)

-#define test_simple_strtoxx(T, fn, gen_fmt, base) \ +#define test_simple_strtoxx(test, T, fn, gen_fmt, base) \ do { \ int i; \ \ for (i = 0; i < ARRAY_SIZE(numbers); i++) { \ - _test_simple_strtoxx(T, fn, gen_fmt, (T)numbers[i], base); \ + _test_simple_strtoxx(test, T, fn, gen_fmt, (T)numbers[i], base);\ \ if (is_signed_type(T)) \ - _test_simple_strtoxx(T, fn, gen_fmt, \ + _test_simple_strtoxx(test, T, fn, gen_fmt, \ -(T)numbers[i], base); \ } \ } while (0)

-static void __init test_simple_strtoull(void) +static void test_simple_strtoull(struct kunit *test) { - test_simple_strtoxx(unsigned long long, simple_strtoull, "%llu", 10); - test_simple_strtoxx(unsigned long long, simple_strtoull, "%llu", 0); - test_simple_strtoxx(unsigned long long, simple_strtoull, "%llx", 16); - test_simple_strtoxx(unsigned long long, simple_strtoull, "0x%llx", 16); - test_simple_strtoxx(unsigned long long, simple_strtoull, "0x%llx", 0); + test_simple_strtoxx(test, unsigned long long, simple_strtoull, "%llu", 10); + test_simple_strtoxx(test, unsigned long long, simple_strtoull, "%llu", 0); + test_simple_strtoxx(test, unsigned long long, simple_strtoull, "%llx", 16); + test_simple_strtoxx(test, unsigned long long, simple_strtoull, "0x%llx", 16); + test_simple_strtoxx(test, unsigned long long, simple_strtoull, "0x%llx", 0); }

-static void __init test_simple_strtoll(void) +static void test_simple_strtoll(struct kunit *test) { - test_simple_strtoxx(long long, simple_strtoll, "%lld", 10); - test_simple_strtoxx(long long, simple_strtoll, "%lld", 0); - test_simple_strtoxx(long long, simple_strtoll, "%llx", 16); - test_simple_strtoxx(long long, simple_strtoll, "0x%llx", 16); - test_simple_strtoxx(long long, simple_strtoll, "0x%llx", 0); + test_simple_strtoxx(test, long long, simple_strtoll, "%lld", 10); + test_simple_strtoxx(test, long long, simple_strtoll, "%lld", 0); + test_simple_strtoxx(test, long long, simple_strtoll, "%llx", 16); + test_simple_strtoxx(test, long long, simple_strtoll, "0x%llx", 16); + test_simple_strtoxx(test, long long, simple_strtoll, "0x%llx", 0); }

-static void __init test_simple_strtoul(void) +static void test_simple_strtoul(struct kunit *test) { - test_simple_strtoxx(unsigned long, simple_strtoul, "%lu", 10); - test_simple_strtoxx(unsigned long, simple_strtoul, "%lu", 0); - test_simple_strtoxx(unsigned long, simple_strtoul, "%lx", 16); - test_simple_strtoxx(unsigned long, simple_strtoul, "0x%lx", 16); - test_simple_strtoxx(unsigned long, simple_strtoul, "0x%lx", 0); + test_simple_strtoxx(test, unsigned long, simple_strtoul, "%lu", 10); + test_simple_strtoxx(test, unsigned long, simple_strtoul, "%lu", 0); + test_simple_strtoxx(test, unsigned long, simple_strtoul, "%lx", 16); + test_simple_strtoxx(test, unsigned long, simple_strtoul, "0x%lx", 16); + test_simple_strtoxx(test, unsigned long, simple_strtoul, "0x%lx", 0); }

-static void __init test_simple_strtol(void) +static void test_simple_strtol(struct kunit *test) { - test_simple_strtoxx(long, simple_strtol, "%ld", 10); - test_simple_strtoxx(long, simple_strtol, "%ld", 0); - test_simple_strtoxx(long, simple_strtol, "%lx", 16); - test_simple_strtoxx(long, simple_strtol, "0x%lx", 16); - test_simple_strtoxx(long, simple_strtol, "0x%lx", 0); + test_simple_strtoxx(test, long, simple_strtol, "%ld", 10); + test_simple_strtoxx(test, long, simple_strtol, "%ld", 0); + test_simple_strtoxx(test, long, simple_strtol, "%lx", 16); + test_simple_strtoxx(test, long, simple_strtol, "0x%lx", 16); + test_simple_strtoxx(test, long, simple_strtol, "0x%lx", 0); }

/* Selection of common delimiters/separators between numbers in a string. */ -static const char * const number_delimiters[] __initconst = { +static const char * const number_delimiters[] = { " ", ":", ",", "-", "/", };

-static void __init test_numbers(void) +static void test_numbers(struct kunit *test) { int i;

/* String containing only one number. */ - numbers_simple(); + numbers_simple(test);

/* String with multiple numbers separated by delimiter. */ for (i = 0; i < ARRAY_SIZE(number_delimiters); i++) { - numbers_list(number_delimiters[i]); + numbers_list(test, number_delimiters[i]);

/* Field width may be longer than actual field digits. */ - numbers_list_field_width_typemax(number_delimiters[i]); + numbers_list_field_width_typemax(test, number_delimiters[i]);

/* Each field width exactly length of actual field digits. */ - numbers_list_field_width_val_width(number_delimiters[i]); + numbers_list_field_width_val_width(test, number_delimiters[i]); }

/* Slice continuous sequence of digits using field widths. */ - numbers_slice(); + numbers_slice(test);

- numbers_prefix_overflow(); + numbers_prefix_overflow(test); }

-static void __init selftest(void) +static void scanf_test(struct kunit *test) { test_buffer = kmalloc(BUF_SIZE, GFP_KERNEL); if (!test_buffer) @@ -797,18 +760,29 @@ static void __init selftest(void)

prandom_seed_state(&rnd_state, 3141592653589793238ULL);

- test_numbers(); + test_numbers(test);

- test_simple_strtoull(); - test_simple_strtoll(); - test_simple_strtoul(); - test_simple_strtol(); + test_simple_strtoull(test); + test_simple_strtoll(test); + test_simple_strtoul(test); + test_simple_strtol(test);

kfree(fmt_buffer); kfree(test_buffer); }

-KSTM_MODULE_LOADERS(test_scanf); +static struct kunit_case scanf_test_cases[] = { + KUNIT_CASE(scanf_test), + {} +}; + +static struct kunit_suite scanf_test_suite = { + .name = "scanf", + .test_cases = scanf_test_cases, +}; + +kunit_test_suite(scanf_test_suite); + MODULE_AUTHOR("Richard Fitzgerald rf@opensource.cirrus.com"); MODULE_DESCRIPTION("Test cases for sscanf facility"); MODULE_LICENSE("GPL v2"); diff --git a/tools/testing/selftests/lib/Makefile b/tools/testing/selftests/lib/Makefile index c52fe3ad8e98..4afda556151f 100644 --- a/tools/testing/selftests/lib/Makefile +++ b/tools/testing/selftests/lib/Makefile @@ -4,5 +4,5 @@ # No binaries, but make sure arg-less "make" doesn't trigger "run_tests" all:

-TEST_PROGS := printf.sh bitmap.sh prime_numbers.sh scanf.sh +TEST_PROGS := printf.sh bitmap.sh prime_numbers.sh include ../lib.mk diff --git a/tools/testing/selftests/lib/config b/tools/testing/selftests/lib/config index dc15aba8d0a3..80b55a504868 100644 --- a/tools/testing/selftests/lib/config +++ b/tools/testing/selftests/lib/config @@ -1,5 +1,4 @@ CONFIG_TEST_PRINTF=m -CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_PRIME_NUMBERS=m CONFIG_TEST_BITOPS=m diff --git a/tools/testing/selftests/lib/scanf.sh b/tools/testing/selftests/lib/scanf.sh deleted file mode 100755 index b59b8ba561c3..000000000000 --- a/tools/testing/selftests/lib/scanf.sh +++ /dev/null @@ -1,4 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 -# Tests the scanf infrastructure using test_scanf kernel module. -$(dirname $0)/../kselftest/module.sh "scanf" test_scanf