X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Ftypesafe_cb%2Ftest%2Frun.c;fp=ccan%2Ftypesafe_cb%2Ftest%2Frun.c;h=b04fae883c2e5c659496739dea75950da7e67b8f;hb=650c775ff00cccd03fc84e7789a03c51d9839004;hp=0000000000000000000000000000000000000000;hpb=c8acddea39d222312102952e91c32cfe4dd2cea0;p=ccan

diff --git a/ccan/typesafe_cb/test/run.c b/ccan/typesafe_cb/test/run.c
new file mode 100644
index 00000000..b04fae88
--- /dev/null
+++ b/ccan/typesafe_cb/test/run.c
@@ -0,0 +1,148 @@
+#include "typesafe_cb/typesafe_cb.h"
+#include <string.h>
+#include "tap/tap.h"
+
+static char dummy = 0;
+
+/* The example usage. */
+static void _set_some_value(void *val)
+{
+	ok1(val == &dummy);
+}
+
+#define set_some_value(expr)						\
+	_set_some_value(cast_if_type((expr), unsigned long, void *))
+
+static void _callback_onearg(void (*fn)(void *arg), void *arg)
+{
+	fn(arg);
+}
+
+static void _callback_preargs(void (*fn)(int a, int b, void *arg), void *arg)
+{
+	fn(1, 2, arg);
+}
+
+static void _callback_postargs(void (*fn)(void *arg, int a, int b), void *arg)
+{
+	fn(arg, 1, 2);
+}
+
+#define callback_onearg(cb, arg)					\
+	_callback_onearg(typesafe_cb(void, (cb), (arg)), (arg))
+
+#define callback_preargs(cb, arg)					\
+	_callback_preargs(typesafe_cb_preargs(void, (cb), (arg), int, int), (arg))
+
+#define callback_postargs(cb, arg)					\
+	_callback_postargs(typesafe_cb_postargs(void, (cb), (arg), int, int), (arg))
+
+static void my_callback_onearg(char *p)
+{
+	ok1(strcmp(p, "hello world") == 0);
+}
+
+static void my_callback_onearg_const(const char *p)
+{
+	ok1(strcmp(p, "hello world") == 0);
+}
+
+static void my_callback_onearg_volatile(volatile char *p)
+{
+	ok1(strcmp((char *)p, "hello world") == 0);
+}
+
+static void my_callback_preargs(int a, int b, char *p)
+{
+	ok1(a == 1);
+	ok1(b == 2);
+	ok1(strcmp(p, "hello world") == 0);
+}
+
+static void my_callback_preargs_const(int a, int b, const char *p)
+{
+	ok1(a == 1);
+	ok1(b == 2);
+	ok1(strcmp(p, "hello world") == 0);
+}
+
+static void my_callback_preargs_volatile(int a, int b, volatile char *p)
+{
+	ok1(a == 1);
+	ok1(b == 2);
+	ok1(strcmp((char *)p, "hello world") == 0);
+}
+
+static void my_callback_postargs(char *p, int a, int b)
+{
+	ok1(a == 1);
+	ok1(b == 2);
+	ok1(strcmp(p, "hello world") == 0);
+}
+
+static void my_callback_postargs_const(const char *p, int a, int b)
+{
+	ok1(a == 1);
+	ok1(b == 2);
+	ok1(strcmp(p, "hello world") == 0);
+}
+
+static void my_callback_postargs_volatile(volatile char *p, int a, int b)
+{
+	ok1(a == 1);
+	ok1(b == 2);
+	ok1(strcmp((char *)p, "hello world") == 0);
+}
+
+/* This is simply a compile test; we promised cast_if_type can be in a
+ * static initializer. */
+struct callback_onearg
+{
+	void (*fn)(void *arg);
+	void *arg;
+};
+
+struct callback_onearg cb_onearg
+= { typesafe_cb(void, my_callback_onearg, "hello world"), "hello world" };
+
+struct callback_preargs
+{
+	void (*fn)(int a, int b, void *arg);
+	void *arg;
+};
+
+struct callback_preargs cb_preargs
+= { typesafe_cb_preargs(void, my_callback_preargs, "hi", int, int), "hi" };
+
+struct callback_postargs
+{
+	void (*fn)(void *arg, int a, int b);
+	void *arg;
+};
+
+struct callback_postargs cb_postargs
+= { typesafe_cb_postargs(void, my_callback_postargs, "hi", int, int), "hi" };
+
+int main(int argc, char *argv[])
+{
+	void *p = &dummy;
+	unsigned long l = (unsigned long)p;
+
+	plan_tests(2 + 3 + 9 + 9);
+	set_some_value(p);
+	set_some_value(l);
+
+	callback_onearg(my_callback_onearg, "hello world");
+	callback_onearg(my_callback_onearg_const, "hello world");
+	callback_onearg(my_callback_onearg_volatile, "hello world");
+
+	callback_preargs(my_callback_preargs, "hello world");
+	callback_preargs(my_callback_preargs_const, "hello world");
+	callback_preargs(my_callback_preargs_volatile, "hello world");
+
+	callback_postargs(my_callback_postargs, "hello world");
+	callback_postargs(my_callback_postargs_const, "hello world");
+	callback_postargs(my_callback_postargs_volatile, "hello world");
+
+	return exit_status();
+}