diff options
Diffstat (limited to 'roms/skiboot/ccan/container_of/test')
4 files changed, 96 insertions, 0 deletions
diff --git a/roms/skiboot/ccan/container_of/test/compile_fail-bad-type.c b/roms/skiboot/ccan/container_of/test/compile_fail-bad-type.c new file mode 100644 index 000000000..b7a145938 --- /dev/null +++ b/roms/skiboot/ccan/container_of/test/compile_fail-bad-type.c @@ -0,0 +1,22 @@ +#include <ccan/container_of/container_of.h> +#include <stdlib.h> + +struct foo { + int a; + char b; +}; + +int main(int argc, char *argv[]) +{ + struct foo foo = { .a = 1, .b = 2 }; + int *intp = &foo.a; + char *p; + +#ifdef FAIL + /* p is a char *, but this gives a struct foo * */ + p = container_of(intp, struct foo, a); +#else + p = (char *)intp; +#endif + return p == NULL; +} diff --git a/roms/skiboot/ccan/container_of/test/compile_fail-types.c b/roms/skiboot/ccan/container_of/test/compile_fail-types.c new file mode 100644 index 000000000..cae1c7abd --- /dev/null +++ b/roms/skiboot/ccan/container_of/test/compile_fail-types.c @@ -0,0 +1,22 @@ +#include <ccan/container_of/container_of.h> +#include <stdlib.h> + +struct foo { + int a; + char b; +}; + +int main(int argc, char *argv[]) +{ + struct foo foo = { .a = 1, .b = 2 }, *foop; + int *intp = &foo.a; + +#ifdef FAIL + /* b is a char, but intp is an int * */ + foop = container_of(intp, struct foo, b); +#else + foop = NULL; +#endif + (void) foop; /* Suppress unused-but-set-variable warning. */ + return intp == NULL; +} diff --git a/roms/skiboot/ccan/container_of/test/compile_fail-var-types.c b/roms/skiboot/ccan/container_of/test/compile_fail-var-types.c new file mode 100644 index 000000000..f254d9210 --- /dev/null +++ b/roms/skiboot/ccan/container_of/test/compile_fail-var-types.c @@ -0,0 +1,25 @@ +#include <ccan/container_of/container_of.h> +#include <stdlib.h> + +struct foo { + int a; + char b; +}; + +int main(int argc, char *argv[]) +{ + struct foo foo = { .a = 1, .b = 2 }, *foop; + int *intp = &foo.a; + +#ifdef FAIL + /* b is a char, but intp is an int * */ + foop = container_of_var(intp, foop, b); +#if !HAVE_TYPEOF +#error "Unfortunately we don't fail if we don't have typeof." +#endif +#else + foop = NULL; +#endif + (void) foop; /* Suppress unused-but-set-variable warning. */ + return intp == NULL; +} diff --git a/roms/skiboot/ccan/container_of/test/run.c b/roms/skiboot/ccan/container_of/test/run.c new file mode 100644 index 000000000..2bd6947f0 --- /dev/null +++ b/roms/skiboot/ccan/container_of/test/run.c @@ -0,0 +1,27 @@ +#include <ccan/container_of/container_of.h> +#include <ccan/tap/tap.h> + +struct foo { + int a; + char b; +}; + +int __attribute__((const)) main(int argc, char *argv[]) +{ + struct foo foo = { .a = 1, .b = 2 }; + int *intp = &foo.a; + char *charp = &foo.b; + + (void)argc; + (void)argv; + + plan_tests(6); + ok1(container_of(intp, struct foo, a) == &foo); + ok1(container_of(charp, struct foo, b) == &foo); + ok1(container_of_var(intp, &foo, a) == &foo); + ok1(container_of_var(charp, &foo, b) == &foo); + + ok1(container_off(struct foo, a) == 0); + ok1(container_off(struct foo, b) == offsetof(struct foo, b)); + return exit_status(); +} |