incdec: Test for cursor point in between a number

Add a failing test for incrementing a number when the cursor is at:

    test 19 0
          ^

This currently results in:

    test 110 0

which is incorrect.

1 files changed, 6 insertions, 0 deletions

diff --git a/t/100-increment-decrement.t b/t/100-increment-decrement.t
index 9420f3a..5d7287a 100644
--- a/t/100-increment-decrement.t
+++ b/t/100-increment-decrement.t
@@ -26,6 +26,12 @@ is(
 );
 
 is(
+	incdec::incdec('test 19 0', 6),
+	'test 20 0',
+	'increments the first integer with point at position 6'
+);
+
+is(
 	incdec::incdec('test 12 0', 7),
 	'test 12 1',
 	'increments the second integer with point at position 7'