X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Ftcon%2Ftest%2Fcompile_ok-value.c;fp=ccan%2Ftcon%2Ftest%2Fcompile_ok-value.c;h=d9c911e6d0dba5d0c2e6af802bcc322aa0a2c0ae;hb=fd48aee6393bda1e4eda9f9e52e6d9f818b77211;hp=0000000000000000000000000000000000000000;hpb=cc3db07ecc15f3e1e556387d82318697956e8e0c;p=ccan

diff --git a/ccan/tcon/test/compile_ok-value.c b/ccan/tcon/test/compile_ok-value.c
new file mode 100644
index 00000000..d9c911e6
--- /dev/null
+++ b/ccan/tcon/test/compile_ok-value.c
@@ -0,0 +1,51 @@
+#include <ccan/tcon/tcon.h>
+#include <ccan/build_assert/build_assert.h>
+#include <stdlib.h>
+#include <stddef.h>
+
+struct container {
+	void *p;
+};
+
+struct val_container {
+	struct container raw;
+	TCON(TCON_VALUE(fixed_val, 17));
+};
+
+struct other_struct {
+	char junk1;
+	int x1;
+	long junk2;
+	char *x2;
+	short junk3;
+};
+
+struct offs_container {
+	struct container raw;
+	TCON(TCON_VALUE(off1, offsetof(struct other_struct, x1));
+	     TCON_VALUE(off2, offsetof(struct other_struct, x2)));
+};
+
+int main(int argc, char *argv[])
+{
+	struct val_container valcon;
+	struct offs_container offscon;
+	TCON_WRAP(struct container, TCON_VALUE(fixed_val, 17)) valconw;
+	TCON_WRAP(struct container,
+		  TCON_VALUE(off1, offsetof(struct other_struct, x1));
+		  TCON_VALUE(off2, offsetof(struct other_struct, x2))) offsconw;
+
+	BUILD_ASSERT(tcon_value(&valcon, fixed_val) == 17);
+	BUILD_ASSERT(tcon_value(&valconw, fixed_val) == 17);
+
+	BUILD_ASSERT(tcon_value(&offscon, off1)
+		     == offsetof(struct other_struct, x1));
+	BUILD_ASSERT(tcon_value(&offscon, off2)
+		     == offsetof(struct other_struct, x2));
+	BUILD_ASSERT(tcon_value(&offsconw, off1)
+		     == offsetof(struct other_struct, x1));
+	BUILD_ASSERT(tcon_value(&offsconw, off2)
+		     == offsetof(struct other_struct, x2));
+
+	return 0;
+}