Remove support for assertions and -A

[p5sagit/p5-mst-13.2.git] / t / io / layers.t

diff --git a/t/io/layers.t b/t/io/layers.t
index 9a58de2..c399b2a 100644 (file)
--- a/t/io/layers.t
+++ b/t/io/layers.t
@@ -10,6 +10,11 @@ BEGIN {
        print "1..0 # Skip: not perlio\n";
        exit 0;
     }
+    eval 'use Encode';
+    if ($@ =~ /dynamic loading not available/) {
+        print "1..0 # miniperl cannot load Encode\n";
+       exit 0;
+    }
     # Makes testing easier.
     $ENV{PERLIO} = 'stdio' if exists $ENV{PERLIO} && $ENV{PERLIO} eq '';
     if (exists $ENV{PERLIO} && $ENV{PERLIO} !~ /^(stdio|perlio|mmap)$/) {
@@ -20,39 +25,61 @@ BEGIN {
     $PERLIO = exists $ENV{PERLIO} ? $ENV{PERLIO} : "(undef)";
 }
 
-plan tests => 43;
-
 use Config;
 
-my $DOSISH    = $^O =~ /^(?:MSWin32|cygwin|os2|dos|NetWare|mint)$/ ? 1 : 0;
+my $DOSISH    = $^O =~ /^(?:MSWin32|os2|dos|NetWare|mint)$/ ? 1 : 0;
+   $DOSISH    = 1 if !$DOSISH and $^O =~ /^uwin/;
 my $NONSTDIO  = exists $ENV{PERLIO} && $ENV{PERLIO} ne 'stdio'     ? 1 : 0;
 my $FASTSTDIO = $Config{d_faststdio} && $Config{usefaststdio}      ? 1 : 0;
+my $UTF8_STDIN;
+if (${^UNICODE} & 1) {
+    if (${^UNICODE} & 64) {
+       # Conditional on the locale
+       $UTF8_STDIN = ${^UTF8LOCALE};
+    } else {
+       # Unconditional
+       $UTF8_STDIN = 1;
+    }
+} else {
+    $UTF8_STDIN = 0;
+}
+my $NTEST = 44 - (($DOSISH || !$FASTSTDIO) ? 7 : 0) - ($DOSISH ? 5 : 0)
+    + $UTF8_STDIN;
+
+sub PerlIO::F_UTF8 () { 0x00008000 } # from perliol.h
+
+plan tests => $NTEST;
 
 print <<__EOH__;
-# PERLIO    = $PERLIO
-# DOSISH    = $DOSISH
-# NONSTDIO  = $NONSTDIO
-# FASTSTDIO = $FASTSTDIO
+# PERLIO        = $PERLIO
+# DOSISH        = $DOSISH
+# NONSTDIO      = $NONSTDIO
+# FASTSTDIO     = $FASTSTDIO
+# UNICODE       = ${^UNICODE}
+# UTF8LOCALE    = ${^UTF8LOCALE}
+# UTF8_STDIN = $UTF8_STDIN
 __EOH__
 
 SKIP: {
-    skip("This perl does not have Encode", 43)
+    # FIXME - more of these could be tested without Encode or full perl
+    skip("This perl does not have Encode", $NTEST)
        unless " $Config{extensions} " =~ / Encode /;
+    skip("miniperl does not have Encode", $NTEST) if $ENV{PERL_CORE_MINITEST};
 
     sub check {
        my ($result, $expected, $id) = @_;
        # An interesting dance follows where we try to make the following
        # IO layer stack setups to compare equal:
        #
-       # PERLIO     UNIX-like       DOS-like
+       # PERLIO     UNIX-like                   DOS-like
        #
-       # none or "" stdio [1]       unix crlf
-       # stdio      stdio [1]       stdio
-       # perlio     unix perlio     unix perlio
-       # mmap       unix mmap       unix mmap
+       # unset / "" unix perlio / stdio [1]     unix crlf
+       # stdio      unix perlio / stdio [1]     stdio
+       # perlio     unix perlio                 unix perlio
+       # mmap       unix mmap                   unix mmap
        #
-       # [1] If Configure found how to do "fast stdio",
-       # otherwise it will be "unix perlio".
+       # [1] "stdio" if Configure found out how to do "fast stdio" (depends
+       # on the stdio implementation) and in Perl 5.8, otherwise "unix perlio"
        #
        if ($NONSTDIO) {
            # Get rid of "unix".
@@ -63,7 +90,7 @@ SKIP: {
            } else {
                $expected->[0] = $ENV{PERLIO} if $expected->[0] eq "stdio";
            }
-       } elsif (!$FASTSTDIO) {
+       } elsif (!$FASTSTDIO && !$DOSISH) {
            splice(@$result, 0, 2, "stdio")
                if @$result >= 2 &&
                   $result->[0] eq "unix" &&
@@ -74,8 +101,14 @@ SKIP: {
                   $result->[0] eq "unix" &&
                   $result->[1] eq "crlf";
        }
+       if ($DOSISH && grep { $_ eq 'crlf' } @$expected) {
+           # 5 tests potentially skipped because
+           # DOSISH systems already have a CRLF layer
+           # which will make new ones not stick.
+           @$expected = grep { $_ ne 'crlf' } @$expected;
+       }
        my $n = scalar @$expected;
-       is($n, scalar @$expected, "$id - layers = $n");
+       is(scalar @$result, $n, "$id - layers == $n");
        for (my $i = 0; $i < $n; $i++) {
            my $j = $expected->[$i];
            if (ref $j eq 'CODE') {
@@ -89,7 +122,7 @@ SKIP: {
     }
 
     check([ PerlIO::get_layers(STDIN) ],
-         [ "stdio" ],
+         $UTF8_STDIN ? [ "stdio", "utf8" ] : [ "stdio" ],
          "STDIN");
 
     open(F, ">:crlf", "afile");
@@ -116,7 +149,6 @@ SKIP: {
          [ "stdio" ],
          ":raw");
 
-    binmode(F, ":pop") if $DOSISH; # Drop one extra :crlf.
     binmode(F, ":utf8");
 
     check([ PerlIO::get_layers(F) ],
@@ -143,9 +175,8 @@ SKIP: {
 
     binmode(F, ":raw :encoding(latin1)"); # "latin1" will be canonized
 
-    SKIP: {
-       skip("too complex layer coreography", 7) if $DOSISH || !$FASTSTDIO;
-
+    # 7 tests potentially skipped.
+    unless ($DOSISH || !$FASTSTDIO) {
        my @results = PerlIO::get_layers(F, details => 1);
 
        # Get rid of the args and the flags.
@@ -183,5 +214,12 @@ SKIP: {
        close G;
     }
 
+    # Check that PL_sigwarn's reference count is correct, and that 
+    # &PerlIO::Layer::NoWarnings isn't prematurely freed.
+    fresh_perl_like (<<'EOT', qr/^CODE/);
+open(UTF, "<:raw:encoding(utf8)", "afile") or die $!;
+print ref *PerlIO::Layer::NoWarnings{CODE};
+EOT
+
     1 while unlink "afile";
 }