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-rwxr-xr-xtests/misc/seq.pl11
1 files changed, 11 insertions, 0 deletions
diff --git a/tests/misc/seq.pl b/tests/misc/seq.pl
index 64c62b2bc..b3496d62c 100755
--- a/tests/misc/seq.pl
+++ b/tests/misc/seq.pl
@@ -137,6 +137,17 @@ my @Tests =
['sep-1', qw(-s, 1 3), {OUT => [qw(1,2,3)]}],
['sep-2', qw(-s, 1 1), {OUT => [qw(1)]}],
['sep-3', qw(-s,, 1 3), {OUT => [qw(1,,2,,3)]}],
+
+ # Exercise fast path avoidance logic.
+ # In 8.20 a step value != 1, with positive integer start and end was broken
+ ['not-fast-1', qw(1 3 1), {OUT => [qw(1)]}],
+ ['not-fast-2', qw(1 1 4.2), {OUT => [qw(1 2 3 4)]}],
+ ['not-fast-3', qw(1 1 0)],
+
+ # Ensure the correct parameters are passed to the fast path
+ ['fast-1', qw(4), {OUT => [qw(1 2 3 4)]}],
+ ['fast-2', qw(1 4), {OUT => [qw(1 2 3 4)]}],
+ ['fast-3', qw(1 1 4), {OUT => [qw(1 2 3 4)]}],
);
# Append a newline to each entry in the OUT array.