On Fri, Jul 22, 2022 at 06:57:28AM +0200, Ahmad Fatoum wrote: > setenv can now accept a format string. Add some tests for the old and > new usage. > > Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> > --- > v1 -> v2: > - use pr_setenv that made it upstream instead of varargs setenv > --- > test/self/Kconfig | 4 +++ > test/self/Makefile | 1 + > test/self/envvar.c | 82 ++++++++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 87 insertions(+) > create mode 100644 test/self/envvar.c Applied, thanks Sascha > > diff --git a/test/self/Kconfig b/test/self/Kconfig > index cf11efe54486..a5eac85646b7 100644 > --- a/test/self/Kconfig > +++ b/test/self/Kconfig > @@ -29,6 +29,7 @@ config SELFTEST_ENABLE_ALL > bool "Enable all self-tests" > select SELFTEST_PRINTF > select SELFTEST_PROGRESS_NOTIFIER > + select SELFTEST_ENVIRONMENT_VARIABLES if ENVIRONMENT_VARIABLES > help > Selects all self-tests compatible with current configuration > > @@ -51,4 +52,7 @@ config SELFTEST_OF_MANIPULATION > config SELFTEST_PROGRESS_NOTIFIER > bool "progress notifier selftest" > > +config SELFTEST_ENVIRONMENT_VARIABLES > + bool "environment variable selftest" > + > endif > diff --git a/test/self/Makefile b/test/self/Makefile > index 65d01596b806..ca9f9c34d1e5 100644 > --- a/test/self/Makefile > +++ b/test/self/Makefile > @@ -5,3 +5,4 @@ obj-$(CONFIG_SELFTEST_MALLOC) += malloc.o > obj-$(CONFIG_SELFTEST_PRINTF) += printf.o > obj-$(CONFIG_SELFTEST_PROGRESS_NOTIFIER) += progress-notifier.o > obj-$(CONFIG_SELFTEST_OF_MANIPULATION) += of_manipulation.o of_manipulation.dtb.o > +obj-$(CONFIG_SELFTEST_ENVIRONMENT_VARIABLES) += envvar.o > diff --git a/test/self/envvar.c b/test/self/envvar.c > new file mode 100644 > index 000000000000..a4620f0437f0 > --- /dev/null > +++ b/test/self/envvar.c > @@ -0,0 +1,82 @@ > +// SPDX-License-Identifier: GPL-2.0-only > + > +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt > + > +#include <common.h> > +#include <environment.h> > +#include <bselftest.h> > +#include <linux/sizes.h> > + > +BSELFTEST_GLOBALS(); > + > +static int strequal(const char *a, const char *b) > +{ > + if (!a || !b) > + return a == b; > + > + return !strcmp(a, b); > +} > + > +static void __expect_getenv(const char *var, const char *expect, > + const char *func, int line) > +{ > + const char *val; > + > + total_tests++; > + > + val = getenv(var); > + if (!IS_ENABLED(CONFIG_ENVIRONMENT_VARIABLES)) { > + if (val == NULL) { > + skipped_tests++; > + return; > + } > + } > + > + if (!strequal(val, expect)) { > + failed_tests++; > + printf("%s:%d: failure: getenv(%s) == \"%s\", but \"%s\" expected\n", > + func, line, var, val ?: "<NULL>", expect ?: "<NULL>"); > + } > +} > + > +#define expect_getenv(v, e) __expect_getenv(v, e, __func__, __LINE__) > + > +static void test_envvar(void) > +{ > + > + if (!IS_ENABLED(CONFIG_ENVIRONMENT_VARIABLES)) > + pr_info("built without environment variable support: Skipping tests\n"); > + > + expect_getenv("__TEST_VAR1", NULL); > + > + setenv("__TEST_VAR1", "VALUE1"); > + > + expect_getenv("__TEST_VAR1", "VALUE1"); > + > + unsetenv("__TEST_VAR1"); > + > + expect_getenv("__TEST_VAR1", NULL); > + > + setenv("__TEST_VAR1", "VALUE1"); > + > + expect_getenv("__TEST_VAR1", "VALUE1"); > + > + setenv("__TEST_VAR1", "VALUE2"); > + > + expect_getenv("__TEST_VAR1", "VALUE2"); > + > + setenv("__TEST_VAR1", "1337"); > + > + expect_getenv("__TEST_VAR1", "1337"); > + > + pr_setenv("__TEST_VAR1", "0x%s", "1337"); > + > + expect_getenv("__TEST_VAR1", "0x1337"); > + > + pr_setenv("__TEST_VAR1", "%ux1%c%x", 0, '3', 0x37); > + > + expect_getenv("__TEST_VAR1", "0x1337"); > + > + unsetenv("__TEST_VAR1"); > +} > +bselftest(core, test_envvar); > -- > 2.30.2 > > > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |