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-rw-r--r--lib.c2
-rw-r--r--tests/015/match-str.tl41
2 files changed, 42 insertions, 1 deletions
diff --git a/lib.c b/lib.c
index e755e88a..2f0f9859 100644
--- a/lib.c
+++ b/lib.c
@@ -4554,7 +4554,7 @@ static val do_match_str(val bigstr, val str, cnum pos, val self)
return nil;
}
- return length_str_le(str, num(i)) ? num(i + 1) : nil;
+ return length_str_le(str, num(i)) ? num(p) : nil;
}
default:
invalid_ops(self, bigstr, str);
diff --git a/tests/015/match-str.tl b/tests/015/match-str.tl
new file mode 100644
index 00000000..53e2c73a
--- /dev/null
+++ b/tests/015/match-str.tl
@@ -0,0 +1,41 @@
+(load "../common")
+
+(defun lz (str)
+ (lazy-str (spl "" str) ""))
+
+(defun lz* (str)
+ (lazy-str (append (spl "" str) 42) ""))
+
+(mtest
+ (match-str "" "") 0
+ (match-str "a" "a") 1
+ (match-str "a" "") 0
+ (match-str "a" "" 1) 1
+ (match-str "a" "" 2) nil
+ (match-str "abc" "c" 2) 3
+ (match-str "abc" "b" 1) 2
+ (match-str "abc" "a" 0) 1
+ (match-str "abc" "b" 2) nil
+ (match-str "abc" "a" 1) nil
+ (match-str "abc" "c" 0) nil
+ (match-str "abc" "c" 3) nil
+ (match-str "abc" "c" 4) nil
+ (match-str "abc" "abcd") nil)
+
+(mtest
+ (match-str (lz* "abc#") "c" 2) 3
+ (match-str "abc#" (lz "c") 2) 3
+ (match-str (lz* "abc#") (lz "c") 2) 3
+ (match-str (lz "abc") (lz "c") 2) 3
+ (match-str (lz "abc") (lz "b") 1) 2
+ (match-str (lz "abc") (lz "a") 0) 1
+ (match-str (lz "abc") (lz "b") 2) nil
+ (match-str (lz "abc") (lz "a") 1) nil
+ (match-str (lz "abc") (lz "c") 0) nil
+ (match-str (lz "abc") (lz "c") 3) nil
+ (match-str (lz "abc") (lz "c") 4) nil
+ (match-str (lz "abc") (lz "abcd")) nil)
+
+(mtest
+ (match-str "" "" -1) nil
+ (match-str "" "" -1) nil)