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diff --git a/tests/join/Test.pm b/tests/join/Test.pm
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+++ b/tests/join/Test.pm
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+# Test "join".
+
+# Copyright (C) 1996, 1999, 2000, 2003, 2004 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 2 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, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+
+package Test;
+require 5.002;
+use strict;
+
+my $delim = chr 0247;
+sub t_subst ($)
+{
+  (my $s = $_[0]) =~ s/:/$delim/g;
+  return $s;
+}
+
+my @tv = (
+# test name
+#     flags       file-1 file-2    expected output   expected return code
+#
+['1a', '-a1',      ["a 1\n", "b\n"],   "a 1\n",          0],
+['1b', '-a2',      ["a 1\n", "b\n"],   "b\n",            0], # Got "\n"
+['1c', '-a1 -a2',  ["a 1\n", "b\n"],   "a 1\nb\n",       0], # Got "a 1\n\n"
+['1d', '-a1',      ["a 1\nb\n", "b\n"],   "a 1\nb\n",    0],
+['1e', '-a2',      ["a 1\nb\n", "b\n"],   "b\n",         0],
+['1f', '-a2',      ["b\n", "a\nb\n"], "a\nb\n",          0],
+
+['2a', '-a1 -e .',  ["a\nb\nc\n", "a x y\nb\nc\n"], "a x y\nb\nc\n", 0],
+['2b', '-a1 -e . -o 2.1,2.2,2.3',  ["a\nb\nc\n", "a x y\nb\nc\n"],
+ "a x y\nb . .\nc . .\n", 0],
+['2c', '-a1 -e . -o 2.1,2.2,2.3',  ["a\nb\nc\nd\n", "a x y\nb\nc\n"],
+ "a x y\nb . .\nc . .\n. . .\n", 0],
+
+['3a', '-t:', ["a:1\nb:1\n", "a:2:\nb:2:\n"], "a:1:2:\nb:1:2:\n", 0],
+
+# Just like -a1 and -a2 when there are no pairable lines
+['4a', '-v 1', ["a 1\n", "b\n"],   "a 1\n",          0],
+['4b', '-v 2', ["a 1\n", "b\n"],   "b\n",            0],
+
+['4c', '-v 1', ["a 1\nb\n", "b\n"],        "a 1\n",       0],
+['4d', '-v 2', ["a 1\nb\n", "b\n"],        "",            0],
+['4e', '-v 2', ["b\n",      "a 1\nb\n"],   "a 1\n",       0],
+['5a', '-a1 -e - -o 1.1,2.2',
+ ["a 1\nb 2\n",  "a 11\nb\n"], "a 11\nb -\n", 0],
+['5b', '-a1 -e - -o 1.1,2.2',
+ ["apr 15\naug 20\ndec 18\nfeb 05\n", "apr 06\naug 14\ndate\nfeb 15"],
+ "apr 06\naug 14\ndec -\nfeb 15\n", 0],
+['5c', '-a1 -e - -o 1.1,2.2',
+ ["aug 20\ndec 18\n", "aug 14\ndate\nfeb 15"],
+ "aug 14\ndec -\n", 0],
+['5d', '-a1 -e - -o 1.1,2.2',
+ ["dec 18\n",  ""], "dec -\n", 0],
+['5e', '-a2 -e - -o 1.1,2.2',
+ ["apr 15\naug 20\ndec 18\nfeb 05\n", "apr 06\naug 14\ndate\nfeb 15\n"],
+ "apr 06\naug 14\n- -\nfeb 15\n", 0],
+['5f', '-a2 -e - -o 2.2,1.1',
+ ["apr 15\naug 20\ndec 18\nfeb 05\n", "apr 06\naug 14\ndate\nfeb 15\n"],
+ "06 apr\n14 aug\n- -\n15 feb\n", 0],
+['5g', '-a1 -e - -o 2.2,1.1',
+ ["apr 15\naug 20\ndec 18\nfeb 05\n", "apr 06\naug 14\ndate\nfeb 15\n"],
+ "06 apr\n14 aug\n- dec\n15 feb\n", 0],
+
+['5h', '-a1 -e - -o 2.2,1.1',
+ ["apr 15\naug 20\ndec 18\nfeb 05\n", "apr 06\naug 14\ndate\n"],
+ "06 apr\n14 aug\n- dec\n- feb\n", 0],
+['5i', '-a1 -e - -o 1.1,2.2',
+ ["apr 15\naug 20\ndec 18\nfeb 05\n", "apr 06\naug 14\ndate\n"],
+ "apr 06\naug 14\ndec -\nfeb -\n", 0],
+
+['5j', '-a2 -e - -o 2.2,1.1',
+ ["apr 15\naug 20\ndec 18\nfeb 05\n", "apr 06\naug 14\ndate\n"],
+ "06 apr\n14 aug\n- -\n", 0],
+['5k', '-a2 -e - -o 2.2,1.1',
+ ["apr 15\naug 20\ndec 18\nfeb 05\n", "apr 06\naug 14\ndate\n"],
+  "06 apr\n14 aug\n- -\n", 0],
+
+['5l', '-a1 -e - -o 2.2,1.1',
+ ["apr 15\naug 20\ndec 18\n", "apr 06\naug 14\ndate\nfeb 15\n"],
+  "06 apr\n14 aug\n- dec\n", 0],
+['5m', '-a2 -e - -o 2.2,1.1',
+ ["apr 15\naug 20\ndec 18\n", "apr 06\naug 14\ndate\nfeb 15\n"],
+  "06 apr\n14 aug\n- -\n15 -\n", 0],
+
+['6a', '-e -',
+ ["a 1\nb 2\nd 4\n", "a 21\nb 22\nc 23\nf 26\n"],
+ "a 1 21\nb 2 22\n", 0],
+['6b', '-a1 -e -',
+ ["a 1\nb 2\nd 4\n", "a 21\nb 22\nc 23\nf 26\n"],
+ "a 1 21\nb 2 22\nd 4\n", 0],
+['6c', '-a1 -e -',
+ ["a 21\nb 22\nc 23\nf 26\n", "a 1\nb 2\nd 4\n"],
+ "a 21 1\nb 22 2\nc 23\nf 26\n", 0],
+
+['7a', '-a1 -e . -o 2.7',
+ ["a\nb\nc\n", "a x y\nb\nc\n"], ".\n.\n.\n", 0],
+
+['8a', '-a1 -e . -o 0,1.2',
+ ["a\nb\nc\nd G\n", "a x y\nb\nc\ne\n"],
+ "a .\nb .\nc .\nd G\n", 0],
+['8b', '-a1 -a2 -e . -o 0,1.2',
+ ["a\nb\nc\nd G\n", "a x y\nb\nc\ne\n"],
+ "a .\nb .\nc .\nd G\ne .\n", 0],
+
+# From David Dyck
+['9a', '', [" a 1\n b 2\n", " a Y\n b Z\n"], "a 1 Y\nb 2 Z\n", 0],
+
+# From Tim Smithers: fixed in 1.22l
+['trailing-sp', '-t: -1 1 -2 1', ["a:x \n", "a:y \n"], "a:x :y \n", 0],
+
+# From Paul Eggert: fixed in 1.22n
+['sp-vs-blank', '', ["\f 1\n", "\f 2\n"], "\f 1 2\n", 0],
+
+# From Paul Eggert: fixed in 1.22n (this would fail on Solaris7,
+# with LC_ALL set to en_US).
+# Unfortunately, that Solaris7's en_US local folds case (making
+# the first input file sorted) is not portable, so this test would
+# fail on e.g. Linux systems, because the input to join isn't sorted.
+# ['lc-collate', '', ["a 1a\nB 1B\n", "B 2B\n"], "B 1B 2B\n", 0],
+
+# Based on a report from Antonio Rendas.  Fixed in 2.0.9.
+['8-bit-t', t_subst "-t:",
+ [t_subst "a:1\nb:1\n", t_subst "a:2:\nb:2:\n"],
+ t_subst "a:1:2:\nb:1:2:\n", 0],
+
+['bigfield', '-1 340282366920938463463374607431768211456 -2 2',
+ ["a\n", "b\n"], " a b\n", 0],
+
+# FIXME: change this to ensure the diagnostic makes sense
+['invalid-j', '-j x', {}, "", 1],
+
+);
+
+
+sub test_vector
+{
+  return @tv;
+}
+
+1;