1 files changed, 85 insertions, 0 deletions
diff --git a/tests/misc/seq-precision.sh b/tests/misc/seq-precision.sh
new file mode 100755
index 0000000..d489d76
--- /dev/null
+++ b/tests/misc/seq-precision.sh
@@ -0,0 +1,85 @@
+#!/bin/sh
+# Test for output with appropriate precision
+
+# Copyright (C) 2015-2022 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
+getlimits_
+
+# Integer only.  Before v8.24 these would switch output format
+
+seq 999999 inf | head -n2 > out || fail=1
+printf "%s\n" 999999 1000000 > exp || framework_failure_
+compare exp out || fail=1
+
+# Exercise buffer handling in non floating point output
+for i in $(seq 100); do
+  n1="$(printf '%*s' $i '' | tr ' ' 9)"
+  n2="1$(echo $n1 | tr 9 0)"
+
+  seq $n1 $n2 > out || fail=1
+  printf "%s\n" "$n1" "$n2" > exp || framework_failure_
+  compare exp out || fail=1
+done
+
+seq 0xF423F 0xF4240 > out || fail=1
+printf "%s\n" 999999 1000000 > exp || framework_failure_
+compare exp out || fail=1
+
+# Ensure consistent precision for inf
+seq 1 .1 inf | head -n2 > out || fail=1
+printf "%s\n" 1.0 1.1 > exp || framework_failure_
+compare exp out || fail=1
+
+# Ensure standard output methods with inf start
+seq inf inf | head -n2 | uniq > out || fail=1
+test "$(wc -l < out)" = 1 || fail=1
+
+# Ensure auto precision for hex float
+seq 1 0x1p-1 2 > out || fail=1
+printf "%s\n" 1 1.5 2 > exp || framework_failure_
+compare exp out || fail=1
+
+# Ensure consistent precision for hex
+seq 1 .1 0x2 | head -n2 > out || fail=1
+printf "%s\n" 1.0 1.1 > exp || framework_failure_
+compare exp out || fail=1
+
+# Ensure consistent handling of precision/width for exponents
+
+seq 1.1e1 12 > out || fail=1
+printf "%s\n" 11 12 > exp || framework_failure_
+compare exp out || fail=1
+
+seq 11 1.2e1 > out || fail=1
+printf "%s\n" 11 12 > exp || framework_failure_
+compare exp out || fail=1
+
+seq -w 1.1e4 | head -n1 > out || fail=1
+printf "%s\n" 00001 > exp || framework_failure_
+compare exp out || fail=1
+
+seq -w 1.10000e5 1.10000e5 > out || fail=1
+printf "%s\n" 110000 > exp || framework_failure_
+compare exp out || fail=1
+
+# Ensure no undefined behavior which failed with <= 8.32
+# This test would fail with: -fsanitize=undefined
+seq 1e$LONG_MIN 2> err || fail=1
+compare /dev/null err || fail=1
+
+Exit $fail