100-increment-decrement: Test middle-of-number point for third number

Test fails. Increments the second number instead of the third.

1 files changed, 6 insertions, 0 deletions

diff --git a/t/100-increment-decrement.t b/t/100-increment-decrement.t
index 9d5d0ad..e7feccb 100644
--- a/t/100-increment-decrement.t
+++ b/t/100-increment-decrement.t
@@ -43,4 +43,10 @@ is(
 	'increments the second double-digit integer with point at position 9'
 );
 
+is(
+	incdec::incdec('test 12 19 555', 12),
+	'test 12 19 556',
+	'increments the third triple-digit integer with point at position 12'
+);
+
 done_testing;