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author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-07-02 15:36:20 +1000 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-07-02 15:36:20 +1000 |
commit | 1d880992fd8c8457a2d990ac6622cfd58fb1b261 (patch) | |
tree | c4c843b12e96b5612c315db5a23c5da1a900618c /ccan/container_of/test | |
download | blackbird-skiboot-1d880992fd8c8457a2d990ac6622cfd58fb1b261.tar.gz blackbird-skiboot-1d880992fd8c8457a2d990ac6622cfd58fb1b261.zip |
Initial commit of Open Source release
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'ccan/container_of/test')
-rw-r--r-- | ccan/container_of/test/compile_fail-bad-type.c | 22 | ||||
-rw-r--r-- | ccan/container_of/test/compile_fail-types.c | 22 | ||||
-rw-r--r-- | ccan/container_of/test/compile_fail-var-types.c | 25 | ||||
-rw-r--r-- | ccan/container_of/test/run.c | 24 |
4 files changed, 93 insertions, 0 deletions
diff --git a/ccan/container_of/test/compile_fail-bad-type.c b/ccan/container_of/test/compile_fail-bad-type.c new file mode 100644 index 00000000..b7a14593 --- /dev/null +++ b/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/ccan/container_of/test/compile_fail-types.c b/ccan/container_of/test/compile_fail-types.c new file mode 100644 index 00000000..cae1c7ab --- /dev/null +++ b/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/ccan/container_of/test/compile_fail-var-types.c b/ccan/container_of/test/compile_fail-var-types.c new file mode 100644 index 00000000..f254d921 --- /dev/null +++ b/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/ccan/container_of/test/run.c b/ccan/container_of/test/run.c new file mode 100644 index 00000000..96ef483c --- /dev/null +++ b/ccan/container_of/test/run.c @@ -0,0 +1,24 @@ +#include <ccan/container_of/container_of.h> +#include <ccan/tap/tap.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 *charp = &foo.b; + + 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(); +} |