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authorRusty Russell <rusty@rustcorp.com.au>2012-02-22 14:59:32 +1030
committerAmitay Isaacs <amitay@gmail.com>2012-03-07 13:16:16 +1100
commit361f3ea9ee577c5a3e2fed687a0b417b257c31de (patch)
tree6d356c3aa64317c609ff4e208be76e18996a55f8 /lib/ccan/container_of/test
parent4f5412dda687c3ff76b426842bf284d01d56a997 (diff)
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lib/ccan: import failtest and required ccan modules for TDB2 unit tests.
New modules: failtest, list, time, read_write_all and tlist. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'lib/ccan/container_of/test')
-rw-r--r--lib/ccan/container_of/test/compile_fail-bad-type.c22
-rw-r--r--lib/ccan/container_of/test/compile_fail-types.c22
-rw-r--r--lib/ccan/container_of/test/compile_fail-var-types.c25
-rw-r--r--lib/ccan/container_of/test/run.c26
4 files changed, 95 insertions, 0 deletions
diff --git a/lib/ccan/container_of/test/compile_fail-bad-type.c b/lib/ccan/container_of/test/compile_fail-bad-type.c
new file mode 100644
index 0000000000..b7a1459386
--- /dev/null
+++ b/lib/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/lib/ccan/container_of/test/compile_fail-types.c b/lib/ccan/container_of/test/compile_fail-types.c
new file mode 100644
index 0000000000..cae1c7abd2
--- /dev/null
+++ b/lib/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/lib/ccan/container_of/test/compile_fail-var-types.c b/lib/ccan/container_of/test/compile_fail-var-types.c
new file mode 100644
index 0000000000..f254d92102
--- /dev/null
+++ b/lib/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/lib/ccan/container_of/test/run.c b/lib/ccan/container_of/test/run.c
new file mode 100644
index 0000000000..5da440a1e5
--- /dev/null
+++ b/lib/ccan/container_of/test/run.c
@@ -0,0 +1,26 @@
+#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(8);
+ 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));
+ ok1(container_off_var(&foo, a) == 0);
+ ok1(container_off_var(&foo, b) == offsetof(struct foo, b));
+ return exit_status();
+}