X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftcon%2Ftest%2Frun-container.c;fp=ccan%2Ftcon%2Ftest%2Frun-container.c;h=88bb2a1c53cb0d185e859d9b51f5dcb326d30388;hp=0000000000000000000000000000000000000000;hb=0ddea4131eca28437638cdaf9394324fafab33da;hpb=fd48aee6393bda1e4eda9f9e52e6d9f818b77211

diff --git a/ccan/tcon/test/run-container.c b/ccan/tcon/test/run-container.c
new file mode 100644
index 00000000..88bb2a1c
--- /dev/null
+++ b/ccan/tcon/test/run-container.c
@@ -0,0 +1,59 @@
+#include <stdlib.h>
+
+#include <ccan/tcon/tcon.h>
+#include <ccan/build_assert/build_assert.h>
+#include <ccan/tap/tap.h>
+
+struct inner {
+	int inner_val;
+};
+
+struct outer {
+	int outer_val;
+	struct inner inner;
+};
+
+struct outer0 {
+	struct inner inner;
+	int outer0_val;
+};
+
+struct info_base {
+	char *infop;
+};
+
+struct info_tcon {
+	struct info_base base;
+	TCON(TCON_CONTAINER(fi, struct outer, inner);
+	     TCON_CONTAINER(fi2, struct outer0, inner));
+};
+
+int main(int argc, char *argv[])
+{
+	struct info_tcon info;
+	TCON_WRAP(struct info_base,
+		  TCON_CONTAINER(fi, struct outer, inner);
+		  TCON_CONTAINER(fi2, struct outer0, inner)) infow;
+	struct outer ovar;
+	struct outer0 ovar2;
+
+	plan_tests(12);
+
+	ok1(tcon_container_of(&info, fi, &ovar.inner) == &ovar);
+	ok1(tcon_member_of(&info, fi, &ovar) == &ovar.inner);
+	ok1(tcon_container_of(&infow, fi, &ovar.inner) == &ovar);
+	ok1(tcon_member_of(&infow, fi, &ovar) == &ovar.inner);
+
+	ok1(tcon_container_of(&info, fi2, &ovar2.inner) == &ovar2);
+	ok1(tcon_member_of(&info, fi2, &ovar2) == &ovar2.inner);
+	ok1(tcon_container_of(&infow, fi2, &ovar2.inner) == &ovar2);
+	ok1(tcon_member_of(&infow, fi2, &ovar2) == &ovar2.inner);
+
+	/* Check handling of NULLs */
+	ok1(tcon_container_of(&info, fi, NULL) == NULL);
+	ok1(tcon_member_of(&info, fi, NULL) == NULL);
+	ok1(tcon_container_of(&infow, fi, NULL) == NULL);
+	ok1(tcon_member_of(&infow, fi, NULL) == NULL);
+
+	return 0;
+}