1 files changed, 47 insertions, 0 deletions
diff --git a/tests/misc/seq-extra-number.sh b/tests/misc/seq-extra-number.sh
new file mode 100755
index 0000000..ded774d
--- /dev/null
+++ b/tests/misc/seq-extra-number.sh
@@ -0,0 +1,47 @@
+#!/bin/sh
+# Test the "print_extra_number" logic seq.c:print_numbers()
+
+# Copyright (C) 2019-2022 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ seq
+
+##
+## Test 1: the documented reason for the logic
+##
+cat<<'EOF'>exp1 || framework_failure_
+0.000000
+0.000001
+0.000002
+0.000003
+EOF
+
+seq 0 0.000001 0.000003 > out1 || fail=1
+compare exp1 out1 || fail=1
+
+
+##
+## Test 2: before 8.32, this resulted in TWO lines
+## (print_extra_number was erroneously set to true)
+## The '=' is there instead of a space to ease visual inspection.
+cat<<'EOF'>exp2 || framework_failure_
+1e+06=
+EOF
+
+seq -f "%g=" 1000000 1000000 > out2 || fail=1
+compare exp2 out2 || fail=1
+
+Exit $fail