X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftal%2Fstr%2Ftest%2Frun-string.c;h=8d596e462e13a006a86ea46cfbf1a47af0a1d952;hp=bb614ae2fa070e09af6da909cc61b456ec2693c2;hb=97d99004bec31012400b6c1d9bad045ae1c9b075;hpb=4710a92838fc03ffa54ce2bc60cf0e214c97a199

diff --git a/ccan/tal/str/test/run-string.c b/ccan/tal/str/test/run-string.c
index bb614ae2..8d596e46 100644
--- a/ccan/tal/str/test/run-string.c
+++ b/ccan/tal/str/test/run-string.c
@@ -1,12 +1,13 @@
 #include <ccan/tal/str/str.h>
 #include <ccan/tal/str/str.c>
 #include <ccan/tap/tap.h>
+#include "helper.h"
 
 int main(void)
 {
 	char *parent, *c;
 
-	plan_tests(27);
+	plan_tests(32);
 
 	parent = tal(NULL, char);
 	ok1(parent);
@@ -21,7 +22,11 @@ int main(void)
 	ok1(tal_parent(c) == parent);
 	tal_free(c);
 
+#ifdef TAL_USE_TALLOC
+	c = tal_talloc_typechk_(parent, char *);
+#else
 	c = tal_typechk_(parent, char *);
+#endif
 	c = tal_dup(parent, char, "hello", 6, 0);
 	ok1(strcmp(c, "hello") == 0);
 	ok1(strcmp(tal_name(c), "char[]") == 0);
@@ -49,26 +54,35 @@ int main(void)
 	c = tal_strcat(parent, take(c), " again");
 	ok1(strcmp(c, "hello there again") == 0);
 	ok1(tal_parent(c) == parent);
-	ok1(tal_first(parent) == c && !tal_next(parent, c));
+	ok1(single_child(parent, c));
 
 	c = tal_strcat(parent, "And ", take(c));
 	ok1(strcmp(c, "And hello there again") == 0);
 	ok1(tal_parent(c) == parent);
-	ok1(tal_first(parent) == c && !tal_next(parent, c));
+	ok1(single_child(parent, c));
 
 	/* NULL pass through works... */
 	c = tal_strcat(parent, take(NULL), take(c));
 	ok1(!c);
-	ok1(!tal_first(parent));
+	ok1(no_children(parent));
 
 	c = tal_strcat(parent, take(tal_strdup(parent, "hi")),
 		       take(NULL));
 	ok1(!c);
-	ok1(!tal_first(parent));
+	ok1(no_children(parent));
 
 	c = tal_strcat(parent, take(NULL), take(NULL));
 	ok1(!c);
-	ok1(!tal_first(parent));
+	ok1(no_children(parent));
+
+	/* Appending formatted strings. */
+	c = tal_strdup(parent, "hi");
+	ok1(tal_append_fmt(&c, "%s %s", "there", "world"));
+	ok1(strcmp(c, "hithere world") == 0);
+	ok1(tal_parent(c) == parent);
+
+	ok1(!tal_append_fmt(&c, take(NULL), "there", "world"));
+	ok1(strcmp(c, "hithere world") == 0);
 
 	tal_free(parent);