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-rwxr-xr-xtests/misc/seq.pl17
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/misc/seq.pl b/tests/misc/seq.pl
index ac0664fc6..130bbf3d7 100755
--- a/tests/misc/seq.pl
+++ b/tests/misc/seq.pl
@@ -26,6 +26,7 @@ use strict;
my $prog = 'seq';
my $try_help = "Try '$prog --help' for more information.\n";
my $err_inc_zero = "seq: invalid Zero increment value: '0'\n".$try_help;
+my $err_nan_arg = "seq: invalid 'not-a-number' argument: 'nan'\n".$try_help;
my $locale = $ENV{LOCALE_FR_UTF8};
! defined $locale || $locale eq 'none'
@@ -161,6 +162,22 @@ my @Tests =
{ERR_SUBST => 's/0.0/0/'}],
['inc-zero-4', qw(1 -0.0e-10 10), {EXIT => 1},{ERR => $err_inc_zero},
{ERR_SUBST => 's/-0\.0e-10/0/'}],
+
+ # Ensure NaN arguments rejected.
+ ['nan-first-1', qw(nan), {EXIT => 1}, {ERR => $err_nan_arg}],
+ ['nan-first-2', qw(NaN 2), {EXIT => 1}, {ERR => $err_nan_arg},
+ {ERR_SUBST => 's/NaN/nan/'}],
+ ['nan-first-3', qw(nan 1 2), {EXIT => 1}, {ERR => $err_nan_arg}],
+ ['nan-first-4', qw(-- -nan), {EXIT => 1}, {ERR => $err_nan_arg},
+ {ERR_SUBST => 's/-nan/nan/'}],
+ ['nan-inc-1', qw(1 nan 2), {EXIT => 1}, {ERR => $err_nan_arg}],
+ ['nan-inc-2', qw(1 -NaN 2), {EXIT => 1}, {ERR => $err_nan_arg},
+ {ERR_SUBST => 's/-NaN/nan/'}],
+ ['nan-last-1', qw(1 1 nan), {EXIT => 1}, {ERR => $err_nan_arg}],
+ ['nan-last-2', qw(1 NaN), {EXIT => 1}, {ERR => $err_nan_arg},
+ {ERR_SUBST => 's/NaN/nan/'}],
+ ['nan-last-3', qw(0 -1 -NaN), {EXIT => 1}, {ERR => $err_nan_arg},
+ {ERR_SUBST => 's/-NaN/nan/'}],
);
# Append a newline to each entry in the OUT array.