convert test suite to tap3 and split into multiple files

9 files changed, 670 insertions, 362 deletions

diff --git a/Makefile b/Makefile
index 8025ba0..32f481d 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ clean: FRC
 	rm -f $(ALL)
 
 check: FRC all
-	prove -v ./tests
+	prove -v
 
 install: FRC all
 	mkdir -p $(DESTDIR)$(BINDIR) $(DESTDIR)$(MANDIR)/man1
diff --git a/t/errors.t b/t/errors.t
new file mode 100755
index 0000000..c2ecd5e
--- /dev/null
+++ b/t/errors.t
@@ -0,0 +1,104 @@
+#!/bin/sh
+export "PATH=.:$PATH"
+
+printf '1..13\n'
+printf '# error handling\n'
+
+tap3 'exit code on success' <<'EOF'
+xe
+>>>= 0
+EOF
+
+tap3 'exit code on other error' <<'EOF'
+true | xe -j NaN
+>>>= 1
+EOF
+
+tap3 'exit code on when command fails with 1-125' <<'EOF'
+xe -s 'exit 42'
+<<<
+a
+>>>= 123
+EOF
+
+tap3 'exit code on when command fails with 255' <<'EOF'
+xe -s 'exit 255'
+<<<
+a
+>>>= 124
+EOF
+
+tap3 'exit code when process was killed' <<'EOF'
+xe perl -e 'kill "KILL", $$'
+<<<
+a
+>>>= 125
+EOF
+
+# possible false positive result when exec returns ENOENT instead of ENOTDIR here
+tap3 'exit code when command cannot be run' <<'EOF'
+xe /dev/null/calc.exe
+<<<
+a
+>>>= 126
+EOF
+
+tap3 'exit code when command was not found' <<'EOF'
+xe /bin/calc.exe
+<<<
+a
+>>>= 127
+EOF
+
+tap3 'exit code on empty input when run with -R' <<'EOF'
+xe -R echo a
+>>>= 122
+EOF
+
+tap3 'doesn'\''t stop on errors by default' <<'EOF'
+xe -s 'if [ b = $1 ]; then false; else echo $1; fi'
+<<<
+a
+b
+c
+>>>
+a
+c
+>>>= 123
+EOF
+
+tap3 'stops on first error with -F' <<'EOF'
+xe -F -s 'if [ b = $1 ]; then false; else echo $1; fi'
+<<<
+a
+b
+c
+>>>
+a
+>>>= 123
+EOF
+
+tap3 'should close stdin when arguments were read from it' <<'EOF'
+xe -s 'sed q'
+<<<
+a
+b
+c
+>>>
+EOF
+
+tap3 'should not close stdin when arguments were read from command line' <<'EOF'
+yes | xe -a -s "sed q" -- 1 2 3
+>>>
+y
+y
+y
+EOF
+
+tap3 'should not close stdin when arguments were read from file' <<'EOF'
+yes | xe -f NEWS.md -s 'sed q' 2>&1 | sed 3q
+>>>
+y
+y
+y
+EOF
diff --git a/t/limits.t b/t/limits.t
new file mode 100755
index 0000000..8692a2e
--- /dev/null
+++ b/t/limits.t
@@ -0,0 +1,24 @@
+#!/bin/sh
+export "PATH=.:$PATH"
+
+printf '1..2\n'
+printf '# limit checks, expecting maximal POSIX limits available\n'
+
+tap3 'argscap check' <<'EOF'
+dd if=/dev/zero bs=1 count=17711 2>/dev/null |
+	tr "\0" "\012" |
+	xe -N0 -s 'echo $#'
+>>>
+8187
+8187
+1337
+EOF
+
+tap3 'argslen check' <<'EOF'
+perl -e 'print "x"x8000, "\n" for 1..42' |
+	xe -N0 -s 'echo $#'
+>>>
+16
+16
+10
+EOF
diff --git a/t/percent.t b/t/percent.t
new file mode 100755
index 0000000..c3b97b7
--- /dev/null
+++ b/t/percent.t
@@ -0,0 +1,110 @@
+#!/bin/sh
+export "PATH=.:$PATH"
+
+printf '1..13\n'
+printf '# percent rules\n'
+
+tap3 'literal matches' <<'EOF'
+xe -ap bcd echo found -- abc bcd defg
+>>>
+found
+EOF
+
+tap3 'multiple patterns' <<'EOF'
+xe -ap one echo 1 + two echo 2 + three echo 3 -- zero one two three four five
+>>>
+1
+2
+3
+EOF
+
+tap3 '{} expansion' <<'EOF'
+xe -ap bcd echo {} -- abc bcd defg
+>>>
+bcd
+EOF
+
+tap3 '% expansion' <<'EOF'
+xe -ap bcd echo % -- abc bcd defg
+>>>
+bcd
+EOF
+
+tap3 'dirnames' <<'EOF'
+xe -ap bcd echo % -- abc bcd /tmp/bcd /tmp/abc
+>>>
+bcd
+/tmp/bcd
+EOF
+
+tap3 '? glob' <<'EOF'
+xe -ap "b?d" echo % -- abc bcd b3d defg
+>>>
+bcd
+b3d
+EOF
+
+tap3 '* glob' <<'EOF'
+xe -ap "b*d" echo % -- bd bed bad bugged bx zbd b/d
+>>>
+bd
+bed
+bad
+bugged
+EOF
+
+tap3 'multiple * glob' <<'EOF'
+xe -ap "b*g*d" echo % -- bd bed bugged bx zbd bagdad badger ba/gd/ad
+>>>
+bugged
+bagdad
+EOF
+
+tap3 'multiple ** glob' <<'EOF'
+xe -ap "b**g**d" echo % -- bd bed bugged bx zbd bagdad badger ba/gd/ad
+>>>
+bugged
+bagdad
+ba/gd/ad
+EOF
+
+tap3 '/ slash' <<'EOF'
+xe -ap a/b echo 1 + c///d echo 2 + "*" echo 3 -- a/b a//b a/ b c/d /c////d
+>>>
+1
+1
+3
+3
+2
+3
+EOF
+
+tap3 '[] ranges' <<'EOF'
+xe -ap "[abc]" echo "1%" + "[d-g]" echo "2%" + "[^xyz-]" echo "3%" + "[!-vw]" echo "4%" + % echo "5%" -- a c d e g h w x -
+>>>
+1a
+1c
+2d
+2e
+2g
+3h
+3w
+4x
+5-
+EOF
+
+tap3 '{} alternation' <<'EOF'
+xe -ap "{a,bc,def*}" echo % -- x a abc bc bcd def defx xdef
+>>>
+a
+bc
+def
+defx
+EOF
+
+tap3 '% match' <<'EOF'
+xe -ap %.c echo obj/%.o -- foo.c bar.cc meh/quux.c
+>>>
+obj/foo.o
+meh/obj/quux.o
+EOF
diff --git a/t/regressions.t b/t/regressions.t
new file mode 100755
index 0000000..9b50585
--- /dev/null
+++ b/t/regressions.t
@@ -0,0 +1,14 @@
+#!/bin/sh
+export "PATH=.:$PATH"
+
+printf '1..1\n'
+printf '# regressions\n'
+
+tap3 '0fb64a4 quoting of empty strings' <<'EOF'
+xe -N2 -v true
+<<<
+foo
+
+>>>2
+true foo ''
+EOF
diff --git a/t/simple.t b/t/simple.t
new file mode 100755
index 0000000..b418d39
--- /dev/null
+++ b/t/simple.t
@@ -0,0 +1,269 @@
+#!/bin/sh
+export "PATH=.:$PATH"
+
+printf '1..27\n'
+printf '# simple tests\n'
+
+tap3 'single argument run' <<'EOF'
+xe echo
+<<<
+1
+2
+3
+>>>
+1
+2
+3
+EOF
+
+tap3 'dual argument run' <<'EOF'
+xe -N2 echo
+<<<
+1
+2
+3
+4
+5
+>>>
+1 2
+3 4
+5
+EOF
+
+tap3 'unlimited argument run' <<'EOF'
+xe -N0 echo
+<<<
+1
+2
+3
+4
+5
+>>>
+1 2 3 4 5
+EOF
+
+tap3 'empty input run' <<'EOF'
+true | xe echo a
+>>>
+EOF
+
+tap3 'dry run' <<'EOF'
+xe -n echo x
+<<<
+a
+b
+c
+>>>2
+echo x a
+echo x b
+echo x c
+EOF
+
+tap3 'dry run quoting' <<'EOF'
+xe -n echo x
+<<<
+a
+b b
+c
+>>>2
+echo x a
+echo x 'b b'
+echo x c
+EOF
+
+tap3 'verbose run' <<'EOF'
+xe -v echo x
+<<<
+a
+b
+c
+>>>
+x a
+x b
+x c
+>>>2
+echo x a
+echo x b
+echo x c
+EOF
+
+tap3 'with no command' <<'EOF'
+xe -N2
+<<<
+1
+2
+3
+>>>
+1
+2
+3
+EOF
+
+tap3 'using {}' <<'EOF'
+xe echo a {} x
+<<<
+1
+2
+3
+>>>
+a 1 x
+a 2 x
+a 3 x
+EOF
+
+tap3 'using {} twice' <<'EOF'
+xe echo {} x {}
+<<<
+1
+2
+3
+>>>
+1 x {}
+2 x {}
+3 x {}
+EOF
+
+tap3 'using -I%' <<'EOF'
+xe -I% echo {} x %
+<<<
+1
+2
+3
+>>>
+{} x 1
+{} x 2
+{} x 3
+EOF
+
+tap3 'using -I "" to disable' <<'EOF'
+xe -I "" echo {} x %
+<<<
+1
+2
+3
+>>>
+{} x % 1
+{} x % 2
+{} x % 3
+EOF
+
+tap3 'using {} with multiple arguments' <<'EOF'
+xe -N2 echo a {} x {}
+<<<
+1
+2
+3
+>>>
+a 1 2 x {}
+a 3 x {}
+EOF
+
+tap3 'using -0' <<'EOF'
+printf "foo\0bar\0quux" | xe -0 echo
+>>>
+foo
+bar
+quux
+EOF
+
+tap3 'using -a' <<'EOF'
+xe -a echo -- 1 2 3
+>>>
+1
+2
+3
+EOF
+
+tap3 'using -a with no arguments' <<'EOF'
+xe -a echo
+>>>
+EOF
+
+tap3 'using -a with no command' <<'EOF'
+xe -N2 -a -- 1 2 3
+>>>
+1
+2
+3
+EOF
+
+tap3 'using -A%' <<'EOF'
+xe -A% echo -- % 1 2 3
+>>>
+-- 1
+-- 2
+-- 3
+EOF
+
+tap3 'using -A% with no arguments' <<'EOF'
+xe -A% echo
+>>>2
+xe: '-A %' used but no separator '%' found in command line.
+EOF
+
+tap3 'using -A% with no command' <<'EOF'
+xe -N2 -A% % 1 2 3
+>>>
+1
+2
+3
+EOF
+
+tap3 'using -f' <<'EOF'
+echo notme | xe -f Makefile echo
+>>> /DESTDIR/
+EOF
+
+tap3 'using -s' <<'EOF'
+xe -s 'echo x$1'
+<<<
+1
+2
+3
+>>>
+x1
+x2
+x3
+EOF
+
+tap3 'using -s with -N0' <<'EOF'
+xe -N0 -s 'echo x$@'
+<<<
+1
+2
+3
+>>>
+x1 2 3
+EOF
+
+tap3 'using -s with -a' <<'EOF'
+xe -s 'echo x$@' -a 1 2 3
+>>>
+x1
+x2
+x3
+EOF
+
+tap3 'using -s with -a' <<'EOF'
+xe -a -s 'echo x$@' 1 2 3
+>>>
+x1
+x2
+x3
+EOF
+
+tap3 'using -s with -a' <<'EOF'
+xe -a -s 'echo x$@' -- 1 2 3
+>>>
+x1
+x2
+x3
+EOF
+
+tap3 'with ITER' <<'EOF'
+xe -a -s 'echo $ITER' -- a b c
+>>>
+1
+2
+3
+EOF
diff --git a/t/slow.t b/t/slow.t
new file mode 100755
index 0000000..74ba2e9
--- /dev/null
+++ b/t/slow.t
@@ -0,0 +1,43 @@
+#!/bin/sh
+export "PATH=.:$PATH"
+
+printf '1..4\n'
+printf '# slow tests\n'
+
+tap3 'is eager' <<'EOF'
+{ { echo 1; sleep 1; echo 11 >/dev/stderr; echo 2; } | xe echo; } 2>&1
+>>>
+1
+11
+2
+EOF
+
+tap3 'using -L' <<'EOF'
+{ echo 1; sleep 1;
+  echo 2; sleep 1;
+  echo 3; } |
+	xe -j2 -L -s 'printf $1; sleep 1; echo $1'
+>>>
+11
+22
+33
+EOF
+
+tap3 'using -LL' <<'EOF'
+{ echo 1; sleep 1;
+  echo 2; sleep 1;
+  echo 3; } |
+	xe -j2 -LL -s 'printf $1; sleep 1; echo $1'
+>>>
+0001= 11
+0002= 22
+0003= 33
+EOF
+
+tap3 'using -vvL' <<'EOF'
+{ echo 1; sleep 1;
+  echo 2; sleep 1;
+  echo 3; } |
+	xe -j2 -vvL -s 'printf %s $1; sleep 1; echo $1' | wc -l
+>>> /\s*9$/
+EOF
diff --git a/tap3 b/tap3
new file mode 100755
index 0000000..53ddc80
--- /dev/null
+++ b/tap3
@@ -0,0 +1,105 @@
+#!/usr/bin/perl -w
+# tap3 [DESC] - check output/error/status of a command against a specification
+#
+# A tiny variant of shelltestrunner (format v1), just takes one test
+# case and outputs a TAP line.
+#
+# Input format:
+#
+# CMD
+# <<<
+# INPUT
+# >>>
+# OUTPUT
+# >>> /OUTPUT REGEX/
+# >>>2
+# STDERR
+# >>>2 /STDERR REGEX/
+# >>>= STATUS
+# >>>= !STATUS
+#
+# All but CMD are optional and can be put in any order,
+# By default, STATUS is set to 0 and STDERR assumed empty.
+#
+# To the extent possible under law, the creator of this work has waived
+# all copyright and related or neighboring rights to this work.
+# http://creativecommons.org/publicdomain/zero/1.0/
+
+use strict;
+use Symbol 'gensym';
+use IPC::Open3;
+
+my $cmd = "";
+my ($input, $output, $output_rx, $stderr, $stderr_rx, $status, $status_not);
+my $ignored = "";
+
+my $var = \$cmd;
+while (<STDIN>) {
+	if (/^#!? /) { next; }
+	if (/^<<<$/) { $var = \$input; $input = ""; next; }
+	if (/^>>>$/) { $var = \$output; $output = ""; next; }
+	if (/^>>>2$/) { $var = \$stderr; $stderr = ""; next; }
+	if (/^>>>\s*\/(.*)\/$/) { $output_rx = $1; next; }
+	if (/^>>>2\s*\/(.*)\/$/) { $stderr_rx = $1; next; }
+	if (/^>>>=\s+(\d+)$/) { $var = \$ignored; $status = $1; next; }
+	if (/^>>>=\s+!(\d+)$/) { $var = \$ignored; $status_not = $1; next; }
+	$$var .= $_;
+}
+
+chomp($cmd);
+die "No command to check given\n"  if !$cmd;
+
+my ($wtr, $rdr);
+my $err = gensym;
+my $pid = open3($wtr, $rdr, $err, "/bin/sh", "-c", $cmd);
+
+my $desc = shift || $cmd;
+
+print $wtr $input  if (defined($input));
+close $wtr;
+my $real_output = do { local $/; <$rdr>; };
+my $real_stderr = do { local $/; <$err>; };
+waitpid($pid, 0);
+my $real_status = $? >> 8;
+
+my $r = 0;
+
+sub not_ok {
+	print "not ok - $desc\n"  if (!$r);
+	$r = 1;
+	$_[0] =~ s/^/# /mg;
+	print $_[0];
+}
+
+if (defined($output) && $real_output ne $output) {
+	not_ok("wrong output:\n$real_output");
+}
+if (defined($output_rx) && $real_output !~ $output_rx) {
+	not_ok("output doesn't match /$output_rx/:\n$real_output\n");
+}
+if (defined($stderr) && $real_stderr ne $stderr) {
+	not_ok("wrong stderr:\n$real_stderr");
+}
+if (defined($stderr_rx) && $real_stderr !~ $stderr_rx) {
+	not_ok("stderr doesn't match /$stderr_rx/:\n$real_stderr\n");
+}
+if (!defined($stderr) && !defined($stderr_rx) && 
+    !defined($status) && !defined($status_not) &&
+    $real_stderr) {
+	not_ok("output to stderr:\n$real_stderr\n");
+}
+if (defined($status) && $real_status != $status) {
+	not_ok("wrong status: $real_status (expected $status)\n");
+}
+if (defined($status_not) && $real_status == $status_not) {
+	not_ok("wrong status: $real_status (expected anything else)\n");
+}
+if (!defined($status) && !defined($status_not) &&
+    !defined($stderr) && !defined($stderr_rx) &&
+    $real_status != 0) {
+	not_ok("wrong status: $real_status (command failed)\n");
+}
+
+print "ok - $desc\n"  if (!$r);
+
+exit $r;
diff --git a/tests b/tests
deleted file mode 100755
index 6a035a4..0000000
--- a/tests
+++ /dev/null
@@ -1,361 +0,0 @@
-#!/bin/sh
-printf '1..60\n'
-
-set -e
-
-xe() { "${XE:-./xe}" "$@"; }
-
-necho() { for a; do printf '%s\n' "$a"; done; }
-
-check_output() {
-	msg=$1
-	expected="$(cat)"
-	shift
-	if output="$(eval "$@" 2>&1)"; then
-		if [ "$output" = "$expected" ]; then
-			printf 'ok - %s\n' "$msg"
-			return
-		fi
-	fi
-	printf 'not ok - %s\n' "$msg"
-	if [ "$output" != "$expected" ]; then
-		printf 'Unexpected output:\n%s\n' "$output" | sed 's/^/# /'
-	fi
-}
-
-printf '# simple tests\n'
-
-check_output 'single argument run' 'necho 1 2 3 | xe echo' <<EOF
-1
-2
-3
-EOF
-
-check_output 'dual argument run' 'necho 1 2 3 4 5 | xe -N2 echo' <<EOF
-1 2
-3 4
-5
-EOF
-
-check_output 'unlimited argument run' 'necho 1 2 3 4 5 | xe -N0 echo' <<EOF
-1 2 3 4 5
-EOF
-
-check_output 'empty input run' 'true | xe echo a' <<EOF
-EOF
-
-check_output 'dry run' 'necho a b c | xe -n echo x' <<EOF
-echo x a
-echo x b
-echo x c
-EOF
-
-check_output 'dry run quoting' 'necho a "b b" c | xe -n echo x' <<EOF
-echo x a
-echo x 'b b'
-echo x c
-EOF
-
-check_output 'verbose run' 'necho a b c | xe -v echo x' <<EOF
-echo x a
-x a
-echo x b
-x b
-echo x c
-x c
-EOF
-
-check_output 'with no command' 'necho 1 2 3 | xe -N2' <<EOF
-1
-2
-3
-EOF
-
-check_output 'using {}' 'necho 1 2 3 | xe echo a {} x' <<EOF
-a 1 x
-a 2 x
-a 3 x
-EOF
-
-check_output 'using {} twice' 'necho 1 2 3 | xe echo {} x {}' <<EOF
-1 x {}
-2 x {}
-3 x {}
-EOF
-
-check_output 'using -I%' 'necho 1 2 3 | xe -I% echo {} x %' <<EOF
-{} x 1
-{} x 2
-{} x 3
-EOF
-
-check_output 'using -I "" to disable' 'necho 1 2 3 | xe -I "" echo {} x %' <<EOF
-{} x % 1
-{} x % 2
-{} x % 3
-EOF
-
-check_output 'using {} with multiple arguments' 'necho 1 2 3 | xe -N2 echo a {} x {}' <<EOF
-a 1 2 x {}
-a 3 x {}
-EOF
-
-check_output 'using -0' 'printf "foo\0bar\0quux" | xe -0 echo' <<EOF
-foo
-bar
-quux
-EOF
-
-check_output 'using -a' 'xe -a echo -- 1 2 3' <<EOF
-1
-2
-3
-EOF
-
-check_output 'using -a with no arguments' 'xe -a echo' <<EOF
-EOF
-
-check_output 'using -a with no command' 'xe -N2 -a -- 1 2 3' <<EOF
-1
-2
-3
-EOF
-
-check_output 'using -A%' 'xe -A% echo -- % 1 2 3' <<EOF
--- 1
--- 2
--- 3
-EOF
-
-check_output 'using -A% with no arguments' 'xe -A% echo || true' <<EOF
-xe: '-A %' used but no separator '%' found in command line.
-EOF
-
-check_output 'using -A% with no command' 'xe -N2 -A% % 1 2 3' <<EOF
-1
-2
-3
-EOF
-
-check_output 'using -f' 'necho notme | xe -f tests echo | grep ^notme || echo success' <<EOF
-success
-EOF
-
-check_output 'using -s' 'necho 1 2 3 | xe -s "echo x\$1"' <<EOF
-x1
-x2
-x3
-EOF
-
-check_output 'using -s with -N0' 'necho 1 2 3 | xe -N0 -s "echo x\$@"' <<EOF
-x1 2 3
-EOF
-
-check_output 'using -s with -a' 'xe -s "echo x\$@" -a 1 2 3' <<EOF
-x1
-x2
-x3
-EOF
-
-check_output 'using -s with -a' 'xe -a -s "echo x\$@" 1 2 3' <<EOF
-x1
-x2
-x3
-EOF
-
-check_output 'using -s with -a' 'xe -a -s "echo x\$@" -- 1 2 3' <<EOF
-x1
-x2
-x3
-EOF
-
-check_output 'with ITER' 'xe -a -s "echo \$ITER" -- a b c' <<EOF
-1
-2
-3
-EOF
-
-check_output 'is eager' '{ echo 1; sleep 1; echo 11 >/dev/stderr; echo 2; } | xe echo' <<EOF
-1
-11
-2
-EOF
-
-check_output 'using -L' '{ echo 1; sleep 1; echo 2; sleep 1; echo 3; } | xe -j2 -L -s "printf \$1; sleep 1; echo \$1"' <<EOF
-11
-22
-33
-EOF
-
-check_output 'using -LL' '{ echo 1; sleep 1; echo 2; sleep 1; echo 3; } | xe -j2 -LL -s "printf \$1; sleep 1; echo \$1"' <<EOF
-0001= 11
-0002= 22
-0003= 33
-EOF
-
-check_output 'using -vvL' '{ echo 1; sleep 1; echo 2; sleep 1; echo 3; } | xe -j2 -vvL -s "printf %s \$1; sleep 1; echo \$1" | wc -l | tr -d " "' <<EOF
-9
-EOF
-
-printf '# error handling\n'
-
-check_output 'exit code on success' 'true | xe; echo $?' <<EOF
-0
-EOF
-
-check_output 'exit code on other error' 'true | xe -j NaN 2>/dev/null || echo $?' <<EOF
-1
-EOF
-
-check_output 'exit code on when command fails with 1-125' 'necho a | xe -s "exit 42" || echo $?' <<EOF
-123
-EOF
-
-check_output 'exit code on when command fails with 255' 'necho a | xe -s "exit 255" 2>/dev/null || echo $?' <<EOF
-124
-EOF
-
-check_output 'exit code when process was killed' 'necho a | xe perl -e '\''kill "KILL", $$'\'' 2>/dev/null || echo $?' <<EOF
-125
-EOF
-
-# possible false positive result when exec returns ENOENT instead of ENOTDIR here
-check_output 'exit code when command cannot be run' 'necho a | xe /dev/null/calc.exe 2>/dev/null || echo $?' <<EOF
-126
-EOF
-
-check_output 'exit code when command was not found' 'necho a | xe /bin/calc.exe 2>/dev/null || echo $?' <<EOF
-127
-EOF
-
-check_output 'exit code on empty input when run with -R' 'true | xe -R echo a || echo $?' <<EOF
-122
-EOF
-
-check_output 'doesn'\''t stop on errors by default' 'necho a b c | xe -s "if [ b = \$1 ]; then false; else echo \$1; fi" || echo $?' <<EOF
-a
-c
-123
-EOF
-
-check_output 'stops on first error with -F' 'necho a b c | xe -F -s "if [ b = \$1 ]; then false; else echo \$1; fi" 2>/dev/null || echo $?' <<EOF
-a
-123
-EOF
-
-check_output 'should close stdin when arguments were read from it' 'necho a b c | xe -s "sed q"' <<EOF
-EOF
-
-check_output 'should not close stdin when arguments were read from command line' 'yes | xe -a -s "sed q" -- 1 2 3' <<EOF
-y
-y
-y
-EOF
-
-check_output 'should not close stdin when arguments were read from file' 'yes | xe -f tests -s "sed q" 2>&1 | sed 3q' <<EOF
-y
-y
-y
-EOF
-
-printf '# regressions\n'
-
-check_output '0fb64a4 quoting of empty strings' 'printf "foo\n\n" | xe -N2 -v true' <<EOF
-true foo ''
-EOF
-
-printf '# limit checks, expecting maximal POSIX limits available\n'
-
-check_output 'argscap check' 'dd if=/dev/zero bs=1 count=17711 2>/dev/null | tr "\0" "\012" | xe -N0 -s "echo \$#"' <<EOF
-8187
-8187
-1337
-EOF
-
-bloat() { perl -e 'print "x"x8000, "\n" for 1..42'; }
-check_output 'argslen check' 'bloat | xe -N0 -s "echo \$#"' <<EOF
-16
-16
-10
-EOF
-
-printf '# percent rules\n'
-
-check_output 'literal matches' 'xe -ap bcd echo found -- abc bcd defg' <<EOF
-found
-EOF
-
-check_output 'multiple patterns' 'xe -ap one echo 1 + two echo 2 + three echo 3 -- zero one two three four five' <<EOF
-1
-2
-3
-EOF
-
-check_output '{} expansion' 'xe -ap bcd echo {} -- abc bcd defg' <<EOF
-bcd
-EOF
-
-check_output '% expansion' 'xe -ap bcd echo % -- abc bcd defg' <<EOF
-bcd
-EOF
-
-check_output 'dirnames' 'xe -ap bcd echo % -- abc bcd /tmp/bcd /tmp/abc' <<EOF
-bcd
-/tmp/bcd
-EOF
-
-check_output '? glob' 'xe -ap "b?d" echo % -- abc bcd b3d defg' <<EOF
-bcd
-b3d
-EOF
-
-check_output '* glob' 'xe -ap "b*d" echo % -- bd bed bad bugged bx zbd b/d' <<EOF
-bd
-bed
-bad
-bugged
-EOF
-
-check_output 'multiple * glob' 'xe -ap "b*g*d" echo % -- bd bed bugged bx zbd bagdad badger ba/gd/ad' <<EOF
-bugged
-bagdad
-EOF
-
-check_output 'multiple ** glob' 'xe -ap "b**g**d" echo % -- bd bed bugged bx zbd bagdad badger ba/gd/ad' <<EOF
-bugged
-bagdad
-ba/gd/ad
-EOF
-
-check_output '/ slash' 'xe -ap a/b echo 1 + c///d echo 2 + "*" echo 3 -- a/b a//b a/ b c/d /c////d' <<EOF
-1
-1
-3
-3
-2
-3
-EOF
-
-check_output '[] ranges' 'xe -ap "[abc]" echo "1%" + "[d-g]" echo "2%" + "[^xyz-]" echo "3%" + "[!-vw]" echo "4%" + % echo "5%" -- a c d e g h w x -' <<EOF
-1a
-1c
-2d
-2e
-2g
-3h
-3w
-4x
-5-
-EOF
-
-check_output '{} alternation' 'xe -ap "{a,bc,def*}" echo % -- x a abc bc bcd def defx xdef' <<EOF
-a
-bc
-def
-defx
-EOF
-
-check_output '% match' 'xe -ap %.c echo obj/%.o -- foo.c bar.cc meh/quux.c' <<EOF
-obj/foo.o
-meh/obj/quux.o
-EOF