Rename kill_perl to fresh_perl; replace fresh_perl()

with fresh_perl_is() and fresh_perl_like().

p4raw-id: //depot/perl@14309

1 files changed, 794 insertions, 0 deletions

diff --git a/t/run/fresh_perl.t b/t/run/fresh_perl.t
new file mode 100644
index 0000000000..73680ebc58
--- /dev/null
+++ b/t/run/fresh_perl.t
@@ -0,0 +1,794 @@
+#!./perl
+
+# ** DO NOT ADD ANY MORE TESTS HERE **
+# Instead, put the test in the appropriate test file and use the 
+# fresh_perl_is()/fresh_perl_like() functions in t/test.pl.
+
+# This is for tests that will normally cause segfaults, and other nasty
+# errors that might kill the interpreter and for some reason you can't
+# use an eval().
+#
+# New tests are added to the bottom.  For example.
+#
+#       ######## perlbug ID 20020831.001
+#       ($a, b) = (1,2)
+#       EXPECT
+#       Can't modify constant item in list assignment - at line 1
+#
+# to test that the code "($a, b) = (1,2)" causes the appropriate syntax
+# error, rather than just segfaulting as reported in perlbug ID
+# 20020831.001
+
+BEGIN {
+    chdir 't' if -d 't';
+    @INC = '../lib';
+    require './test.pl';
+}
+
+use strict;
+
+my $Perl = which_perl;
+
+$|=1;
+
+my @prgs = ();
+while(<DATA>) { 
+    if(m/^#{8,}\s*(.*)/) { 
+        push @prgs, ['', $1];
+    }
+    else { 
+        $prgs[-1][0] .= $_;
+    }
+}
+plan tests => scalar @prgs;
+
+foreach my $prog (@prgs) {
+    my($raw_prog, $name) = @$prog;
+
+    my $switch;
+    if ($raw_prog =~ s/^\s*(-\w.*)//){
+	$switch = $1;
+    }
+
+    my($prog,$expected) = split(/\nEXPECT\n/, $raw_prog);
+
+    $expected =~ s/\n+$//;
+
+    fresh_perl_is($prog, $expected, { switches => [$switch] }, $name);
+}
+
+__END__
+########
+$a = ":="; split /($a)/o, "a:=b:=c"; print "@_"
+EXPECT
+a := b := c
+########
+$cusp = ~0 ^ (~0 >> 1);
+use integer;
+$, = " ";
+print +($cusp - 1) % 8, $cusp % 8, -$cusp % 8, 8 | (($cusp + 1) % 8 + 7), "!\n";
+EXPECT
+7 0 0 8 !
+########
+$foo=undef; $foo->go;
+EXPECT
+Can't call method "go" on an undefined value at - line 1.
+########
+BEGIN
+        {
+	    "foo";
+        }
+########
+$array[128]=1
+########
+$x=0x0eabcd; print $x->ref;
+EXPECT
+Can't call method "ref" without a package or object reference at - line 1.
+########
+chop ($str .= <DATA>);
+########
+close ($banana);
+########
+$x=2;$y=3;$x<$y ? $x : $y += 23;print $x;
+EXPECT
+25
+########
+eval {sub bar {print "In bar";}}
+########
+system './perl -ne "print if eof" /dev/null'
+########
+chop($file = <DATA>);
+########
+package N;
+sub new {my ($obj,$n)=@_; bless \$n}  
+$aa=new N 1;
+$aa=12345;
+print $aa;
+EXPECT
+12345
+########
+%@x=0;
+EXPECT
+Can't modify hash dereference in repeat (x) at - line 1, near "0;"
+Execution of - aborted due to compilation errors.
+########
+$_="foo";
+printf(STDOUT "%s\n", $_);
+EXPECT
+foo
+########
+push(@a, 1, 2, 3,)
+########
+quotemeta ""
+########
+for ("ABCDE") {
+ &sub;
+s/./&sub($&)/eg;
+print;}
+sub sub {local($_) = @_;
+$_ x 4;}
+EXPECT
+Modification of a read-only value attempted at - line 3.
+########
+package FOO;sub new {bless {FOO => BAR}};
+package main;
+use strict vars;   
+my $self = new FOO;
+print $$self{FOO};
+EXPECT
+BAR
+########
+$_="foo";
+s/.{1}//s;
+print;
+EXPECT
+oo
+########
+print scalar ("foo","bar")
+EXPECT
+bar
+########
+sub by_number { $a <=> $b; };# inline function for sort below
+$as_ary{0}="a0";
+@ordered_array=sort by_number keys(%as_ary);
+########
+sub NewShell
+{
+  local($Host) = @_;
+  my($m2) = $#Shells++;
+  $Shells[$m2]{HOST} = $Host;
+  return $m2;
+}
+ 
+sub ShowShell
+{
+  local($i) = @_;
+}
+ 
+&ShowShell(&NewShell(beach,Work,"+0+0"));
+&ShowShell(&NewShell(beach,Work,"+0+0"));
+&ShowShell(&NewShell(beach,Work,"+0+0"));
+########
+   {
+       package FAKEARRAY;
+   
+       sub TIEARRAY
+       { print "TIEARRAY @_\n"; 
+         die "bomb out\n" unless $count ++ ;
+         bless ['foo'] 
+       }
+       sub FETCH { print "fetch @_\n"; $_[0]->[$_[1]] }
+       sub STORE { print "store @_\n"; $_[0]->[$_[1]] = $_[2] }
+       sub DESTROY { print "DESTROY \n"; undef @{$_[0]}; }
+   }
+   
+eval 'tie @h, FAKEARRAY, fred' ;
+tie @h, FAKEARRAY, fred ;
+EXPECT
+TIEARRAY FAKEARRAY fred
+TIEARRAY FAKEARRAY fred
+DESTROY 
+########
+BEGIN { die "phooey\n" }
+EXPECT
+phooey
+BEGIN failed--compilation aborted at - line 1.
+########
+BEGIN { 1/$zero }
+EXPECT
+Illegal division by zero at - line 1.
+BEGIN failed--compilation aborted at - line 1.
+########
+BEGIN { undef = 0 }
+EXPECT
+Modification of a read-only value attempted at - line 1.
+BEGIN failed--compilation aborted at - line 1.
+########
+{
+    package foo;
+    sub PRINT {
+        shift;
+        print join(' ', reverse @_)."\n";
+    }
+    sub PRINTF {
+        shift;
+	  my $fmt = shift;
+        print sprintf($fmt, @_)."\n";
+    }
+    sub TIEHANDLE {
+        bless {}, shift;
+    }
+    sub READLINE {
+	"Out of inspiration";
+    }
+    sub DESTROY {
+	print "and destroyed as well\n";
+  }
+  sub READ {
+      shift;
+      print STDOUT "foo->can(READ)(@_)\n";
+      return 100; 
+  }
+  sub GETC {
+      shift;
+      print STDOUT "Don't GETC, Get Perl\n";
+      return "a"; 
+  }    
+}
+{
+    local(*FOO);
+    tie(*FOO,'foo');
+    print FOO "sentence.", "reversed", "a", "is", "This";
+    print "-- ", <FOO>, " --\n";
+    my($buf,$len,$offset);
+    $buf = "string";
+    $len = 10; $offset = 1;
+    read(FOO, $buf, $len, $offset) == 100 or die "foo->READ failed";
+    getc(FOO) eq "a" or die "foo->GETC failed";
+    printf "%s is number %d\n", "Perl", 1;
+}
+EXPECT
+This is a reversed sentence.
+-- Out of inspiration --
+foo->can(READ)(string 10 1)
+Don't GETC, Get Perl
+Perl is number 1
+and destroyed as well
+########
+my @a; $a[2] = 1; for (@a) { $_ = 2 } print "@a\n"
+EXPECT
+2 2 2
+########
+# used to attach defelem magic to all immortal values,
+# which made restore of local $_ fail.
+foo(2>1);
+sub foo { bar() for @_;  }
+sub bar { local $_; }
+print "ok\n";
+EXPECT
+ok
+########
+@a = ($a, $b, $c, $d) = (5, 6);
+print "ok\n"
+  if ($a[0] == 5 and $a[1] == 6 and !defined $a[2] and !defined $a[3]);
+EXPECT
+ok
+########
+print "ok\n" if (1E2<<1 == 200 and 3E4<<3 == 240000);
+EXPECT
+ok
+########
+print "ok\n" if ("\0" lt "\xFF");
+EXPECT
+ok
+########
+open(H,'run/fresh_perl.t'); # must be in the 't' directory
+stat(H);
+print "ok\n" if (-e _ and -f _ and -r _);
+EXPECT
+ok
+########
+sub thing { 0 || return qw(now is the time) }
+print thing(), "\n";
+EXPECT
+nowisthetime
+########
+$ren = 'joy';
+$stimpy = 'happy';
+{ local $main::{ren} = *stimpy; print $ren, ' ' }
+print $ren, "\n";
+EXPECT
+happy joy
+########
+$stimpy = 'happy';
+{ local $main::{ren} = *stimpy; print ${'ren'}, ' ' }
+print +(defined(${'ren'}) ? 'oops' : 'joy'), "\n";
+EXPECT
+happy joy
+########
+package p;
+sub func { print 'really ' unless wantarray; 'p' }
+sub groovy { 'groovy' }
+package main;
+print p::func()->groovy(), "\n"
+EXPECT
+really groovy
+########
+@list = ([ 'one', 1 ], [ 'two', 2 ]);
+sub func { $num = shift; (grep $_->[1] == $num, @list)[0] }
+print scalar(map &func($_), 1 .. 3), " ",
+      scalar(map scalar &func($_), 1 .. 3), "\n";
+EXPECT
+2 3
+########
+($k, $s)  = qw(x 0);
+@{$h{$k}} = qw(1 2 4);
+for (@{$h{$k}}) { $s += $_; delete $h{$k} if ($_ == 2) }
+print "bogus\n" unless $s == 7;
+########
+my $a = 'outer';
+eval q[ my $a = 'inner'; eval q[ print "$a " ] ];
+eval { my $x = 'peace'; eval q[ print "$x\n" ] }
+EXPECT
+inner peace
+########
+-w
+$| = 1;
+sub foo {
+    print "In foo1\n";
+    eval 'sub foo { print "In foo2\n" }';
+    print "Exiting foo1\n";
+}
+foo;
+foo;
+EXPECT
+In foo1
+Subroutine foo redefined at (eval 1) line 1.
+Exiting foo1
+In foo2
+########
+$s = 0;
+map {#this newline here tickles the bug
+$s += $_} (1,2,4);
+print "eat flaming death\n" unless ($s == 7);
+########
+sub foo { local $_ = shift; split; @_ }
+@x = foo(' x  y  z ');
+print "you die joe!\n" unless "@x" eq 'x y z';
+########
+/(?{"{"})/	# Check it outside of eval too
+EXPECT
+Sequence (?{...}) not terminated or not {}-balanced at - line 1, within pattern
+Sequence (?{...}) not terminated or not {}-balanced in regex; marked by <-- HERE in m/(?{ <-- HERE "{"})/ at - line 1.
+########
+/(?{"{"}})/	# Check it outside of eval too
+EXPECT
+Unmatched right curly bracket at (re_eval 1) line 1, at end of line
+syntax error at (re_eval 1) line 1, near ""{"}"
+Compilation failed in regexp at - line 1.
+########
+BEGIN { @ARGV = qw(a b c d e) }
+BEGIN { print "argv <@ARGV>\nbegin <",shift,">\n" }
+END { print "end <",shift,">\nargv <@ARGV>\n" }
+INIT { print "init <",shift,">\n" }
+CHECK { print "check <",shift,">\n" }
+EXPECT
+argv <a b c d e>
+begin <a>
+check <b>
+init <c>
+end <d>
+argv <e>
+########
+-l
+# fdopen from a system descriptor to a system descriptor used to close
+# the former.
+open STDERR, '>&=STDOUT' or die $!;
+select STDOUT; $| = 1; print fileno STDOUT or die $!;
+select STDERR; $| = 1; print fileno STDERR or die $!;
+EXPECT
+1
+2
+########
+-w
+sub testme { my $a = "test"; { local $a = "new test"; print $a }}
+EXPECT
+Can't localize lexical variable $a at - line 2.
+########
+package X;
+sub ascalar { my $r; bless \$r }
+sub DESTROY { print "destroyed\n" };
+package main;
+*s = ascalar X;
+EXPECT
+destroyed
+########
+package X;
+sub anarray { bless [] }
+sub DESTROY { print "destroyed\n" };
+package main;
+*a = anarray X;
+EXPECT
+destroyed
+########
+package X;
+sub ahash { bless {} }
+sub DESTROY { print "destroyed\n" };
+package main;
+*h = ahash X;
+EXPECT
+destroyed
+########
+package X;
+sub aclosure { my $x; bless sub { ++$x } }
+sub DESTROY { print "destroyed\n" };
+package main;
+*c = aclosure X;
+EXPECT
+destroyed
+########
+package X;
+sub any { bless {} }
+my $f = "FH000"; # just to thwart any future optimisations
+sub afh { select select ++$f; my $r = *{$f}{IO}; delete $X::{$f}; bless $r }
+sub DESTROY { print "destroyed\n" }
+package main;
+$x = any X; # to bump sv_objcount. IO objs aren't counted??
+*f = afh X;
+EXPECT
+destroyed
+destroyed
+########
+BEGIN {
+  $| = 1;
+  $SIG{__WARN__} = sub {
+    eval { print $_[0] };
+    die "bar\n";
+  };
+  warn "foo\n";
+}
+EXPECT
+foo
+bar
+BEGIN failed--compilation aborted at - line 8.
+########
+package X;
+@ISA='Y';
+sub new {
+    my $class = shift;
+    my $self = { };
+    bless $self, $class;
+    my $init = shift;
+    $self->foo($init);
+    print "new", $init;
+    return $self;
+}
+sub DESTROY {
+    my $self = shift;
+    print "DESTROY", $self->foo;
+}
+package Y;
+sub attribute {
+    my $self = shift;
+    my $var = shift;
+    if (@_ == 0) {
+	return $self->{$var};
+    } elsif (@_ == 1) {
+	$self->{$var} = shift;
+    }
+}
+sub AUTOLOAD {
+    $AUTOLOAD =~ /::([^:]+)$/;
+    my $method = $1;
+    splice @_, 1, 0, $method;
+    goto &attribute;
+}
+package main;
+my $x = X->new(1);
+for (2..3) {
+    my $y = X->new($_);
+    print $y->foo;
+}
+print $x->foo;
+EXPECT
+new1new22DESTROY2new33DESTROY31DESTROY1
+########
+re();
+sub re {
+    my $re = join '', eval 'qr/(??{ $obj->method })/';
+    $re;
+}
+EXPECT
+########
+use strict;
+my $foo = "ZZZ\n";
+END { print $foo }
+EXPECT
+ZZZ
+########
+eval '
+use strict;
+my $foo = "ZZZ\n";
+END { print $foo }
+';
+EXPECT
+ZZZ
+########
+-w
+if (@ARGV) { print "" }
+else {
+  if ($x == 0) { print "" } else { print $x }
+}
+EXPECT
+Use of uninitialized value in numeric eq (==) at - line 4.
+########
+$x = sub {};
+foo();
+sub foo { eval { return }; }
+print "ok\n";
+EXPECT
+ok
+########
+# moved to op/lc.t
+EXPECT
+########
+sub f { my $a = 1; my $b = 2; my $c = 3; my $d = 4; next }
+my $x = "foo";
+{ f } continue { print $x, "\n" }
+EXPECT
+foo
+########
+sub C () { 1 }
+sub M { $_[0] = 2; }
+eval "C";
+M(C);
+EXPECT
+Modification of a read-only value attempted at - line 2.
+########
+print qw(ab a\b a\\b);
+EXPECT
+aba\ba\b
+########
+# lexicals declared after the myeval() definition should not be visible
+# within it
+sub myeval { eval $_[0] }
+my $foo = "ok 2\n";
+myeval('sub foo { local $foo = "ok 1\n"; print $foo; }');
+die $@ if $@;
+foo();
+print $foo;
+EXPECT
+ok 1
+ok 2
+########
+# lexicals outside an eval"" should be visible inside subroutine definitions
+# within it
+eval <<'EOT'; die $@ if $@;
+{
+    my $X = "ok\n";
+    eval 'sub Y { print $X }'; die $@ if $@;
+    Y();
+}
+EOT
+EXPECT
+ok
+########
+# This test is here instead of pragma/locale.t because
+# the bug depends on in the internal state of the locale
+# settings and pragma/locale messes up that state pretty badly.
+# We need a "fresh run".
+BEGIN {
+    eval { require POSIX };
+    if ($@) {
+	exit(0); # running minitest?
+    }
+}
+use Config;
+my $have_setlocale = $Config{d_setlocale} eq 'define';
+$have_setlocale = 0 if $@;
+# Visual C's CRT goes silly on strings of the form "en_US.ISO8859-1"
+# and mingw32 uses said silly CRT
+$have_setlocale = 0 if (($^O eq 'MSWin32' || $^O eq 'NetWare') && $Config{cc} =~ /^(cl|gcc)/i);
+exit(0) unless $have_setlocale;
+my @locales;
+if (-x "/usr/bin/locale" && open(LOCALES, "/usr/bin/locale -a|")) {
+    while(<LOCALES>) {
+        chomp;
+        push(@locales, $_);
+    }
+    close(LOCALES);
+}
+exit(0) unless @locales;
+for (@locales) {
+    use POSIX qw(locale_h);
+    use locale;
+    setlocale(LC_NUMERIC, $_) or next;
+    my $s = sprintf "%g %g", 3.1, 3.1;
+    next if $s eq '3.1 3.1' || $s =~ /^(3.+1) \1$/;
+    print "$_ $s\n";
+}
+EXPECT
+########
+die qr(x)
+EXPECT
+(?-xism:x) at - line 1.
+########
+# 20001210.003 mjd@plover.com
+format REMITOUT_TOP =
+FOO
+.
+
+format REMITOUT =
+BAR
+.
+
+# This loop causes a segv in 5.6.0
+for $lineno (1..61) {
+   write REMITOUT;
+}
+
+print "It's OK!";
+EXPECT
+It's OK!
+########
+# Inaba Hiroto
+reset;
+if (0) {
+  if ("" =~ //) {
+  }
+}
+########
+# Nicholas Clark
+$ENV{TERM} = 0;
+reset;
+// if 0;
+########
+# Vadim Konovalov
+use strict;
+sub new_pmop($) {
+    my $pm = shift;
+    return eval "sub {shift=~/$pm/}";
+}
+new_pmop "abcdef"; reset;
+new_pmop "abcdef"; reset;
+new_pmop "abcdef"; reset;
+new_pmop "abcdef"; reset;
+########
+# David Dyck
+# coredump in 5.7.1
+close STDERR; die;
+EXPECT
+########
+-w
+"x" =~ /(\G?x)?/;	# core dump in 20000716.007
+########
+# Bug 20010515.004
+my @h = 1 .. 10;
+bad(@h);
+sub bad {
+   undef @h;
+   print "O";
+   print for @_;
+   print "K";
+}
+EXPECT
+OK
+########
+# Bug 20010506.041
+"abcd\x{1234}" =~ /(a)(b[c])(d+)?/i and print "ok\n";
+EXPECT
+ok
+########
+# Bug 20010422.005
+{s//${}/; //}
+EXPECT
+syntax error at - line 2, near "${}"
+Execution of - aborted due to compilation errors.
+########
+# Bug 20010528.007
+"\x{"
+EXPECT
+Missing right brace on \x{} at - line 2, within string
+Execution of - aborted due to compilation errors.
+########
+my $foo = Bar->new();
+my @dst;
+END {
+    ($_ = "@dst") =~ s/\(0x.+?\)/(0x...)/;
+    print $_, "\n";
+}
+package Bar;
+sub new {
+    my Bar $self = bless [], Bar;
+    eval '$self';
+    return $self;
+}
+sub DESTROY { 
+    push @dst, "$_[0]";
+}
+EXPECT
+Bar=ARRAY(0x...)
+########
+######## found by Markov chain stress testing
+eval "a.b.c.d.e.f;sub"
+EXPECT
+
+######## perlbug ID 20010831.001
+($a, b) = (1, 2);
+EXPECT
+Can't modify constant item in list assignment at - line 1, near ");"
+Execution of - aborted due to compilation errors.
+######## tying a bareword causes a segfault in 5.6.1
+tie FOO, "Foo";
+EXPECT
+Can't modify constant item in tie at - line 1, near ""Foo";"
+Execution of - aborted due to compilation errors.
+######## undefing constant causes a segfault in 5.6.1 [ID 20010906.019]
+undef foo;
+EXPECT
+Can't modify constant item in undef operator at - line 1, near "foo;"
+Execution of - aborted due to compilation errors.
+######## (?{...}) compilation bounces on PL_rs
+-0
+{
+  /(?{ $x })/;
+  # {
+}
+BEGIN { print "ok\n" }
+EXPECT
+ok
+######## read($var, FILE, 1) segfaults on 5.6.1 [ID 20011025.054]
+read($bla, FILE, 1);
+EXPECT
+Can't modify constant item in read at - line 1, near "1)"
+Execution of - aborted due to compilation errors.
+######## scalar ref to file test operator segfaults on 5.6.1 [ID 20011127.155]
+# This only happens if the filename is 11 characters or less.
+$foo = \-f "blah";
+print "ok" if ref $foo && !$$foo;
+EXPECT
+ok
+######## [ID 20011128.159] 'X' =~ /\X/ segfault in 5.6.1
+print "ok" if 'X' =~ /\X/;
+EXPECT
+ok
+######## segfault in 5.6.1 within peep()
+@a = (1..9);
+@b = sort { @c = sort { @d = sort { 0 } @a; @d; } @a; } @a;
+print join '', @a, "\n";
+EXPECT
+123456789
+######## [ID 20020104.007] "coredump on dbmclose"
+package Foo;
+eval { dbmclose %h }; # not all places have dbm* functions
+if ($@) {
+    print "ok\n";
+    exit 0;
+}
+package Foo;
+sub new {
+        my $proto = shift;
+        my $class = ref($proto) || $proto;
+        my $self  = {};
+        bless($self,$class);
+        my %LT;
+        dbmopen(%LT, "dbmtest", 0666) ||
+	    die "Can't open dbmtest because of $!\n";
+        $self->{'LT'} = \%LT;
+        return $self;
+}
+sub DESTROY {
+        my $self = shift;
+        dbmclose(%{$self->{'LT'}});
+        return 1;
+}
+package main;
+$test = Foo->new(); # must be package var
+END
+{
+	1 while unlink 'dbmtest';
+	1 while unlink <dbmtest.*>;
+	print "ok\n";
+}
+EXPECT
+ok