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-rw-r--r--inchrset.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/inchrset.c b/inchrset.c
index 7358ede..591c2e9 100644
--- a/inchrset.c
+++ b/inchrset.c
@@ -12,6 +12,13 @@ extern inline int libsimple_inchrset(int, const char *);
int
main(void)
{
+ assert(libsimple_inchrset('a', "xyz") == 0);
+ assert(libsimple_inchrset('b', "xyz") == 0);
+ assert(libsimple_inchrset('c', "xyz") == 0);
+ assert(libsimple_inchrset('x', "xyz") == 1);
+ assert(libsimple_inchrset('y', "xyz") == 1);
+ assert(libsimple_inchrset('z', "xyz") == 1);
+ assert(libsimple_inchrset('\0', "xyz") == 0);
return 0;
}