There's no particular reason to have the dumpvar.t

in lib/perl5db/.

p4raw-id: //depot/perl@21121

1 files changed, 189 insertions, 0 deletions

diff --git a/lib/dumpvar.t b/lib/dumpvar.t
new file mode 100644
index 0000000000..dff7bb23dc
--- /dev/null
+++ b/lib/dumpvar.t
@@ -0,0 +1,189 @@
+#!./perl -- -*- mode: cperl; cperl-indent-level: 4 -*-
+
+BEGIN {
+    chdir 't' if -d 't';
+    @INC = '../lib';
+}
+
+use strict;
+
+$|=1;
+
+my @prgs;
+{
+    local $/;
+    @prgs = split "########\n", <DATA>;
+    close DATA;
+}
+
+use Test::More;
+
+plan tests => scalar @prgs;
+
+require "dumpvar.pl";
+
+sub unctrl    { print dumpvar::unctrl($_[0]), "\n" }
+sub uniescape { print dumpvar::uniescape($_[0]), "\n" }
+sub stringify { print dumpvar::stringify($_[0]), "\n" }
+
+package Foo;
+
+sub new { my $class = shift; bless [ @_ ], $class }
+
+package Bar;
+
+sub new { my $class = shift; bless [ @_ ], $class }
+
+use overload '""' => sub { "Bar<@{$_[0]}>" };
+
+package main;
+
+my $foo = Foo->new(1..5);
+my $bar = Bar->new(1..5);
+
+for (@prgs) {
+    my($prog, $expected) = split(/\nEXPECT\n?/, $_);
+    # TODO: dumpvar::stringify() is controlled by a pile of package
+    # dumpvar variables: $printUndef, $unctrl, $quoteHighBit, $bareStringify,
+    # and so forth.  We need to test with various settings of those.
+    my $out = tie *STDOUT, 'TieOut';
+    eval $prog;
+    my $ERR = $@;
+    untie $out;
+    if ($ERR) {
+        ok(0, "$prog - $ERR");
+    } else {
+	if ($expected =~ m:^/:) {
+	    like($$out, $expected, $prog);
+	} else {
+	    is($$out, $expected, $prog);
+	}
+    }
+}
+
+package TieOut;
+
+sub TIEHANDLE {
+    bless( \(my $self), $_[0] );
+}
+
+sub PRINT {
+    my $self = shift;
+    $$self .= join('', @_);
+}
+
+sub read {
+    my $self = shift;
+    substr( $$self, 0, length($$self), '' );
+}
+
+__END__
+unctrl("A");
+EXPECT
+A
+########
+unctrl("\cA");
+EXPECT
+^A
+########
+uniescape("A");
+EXPECT
+A
+########
+uniescape("\x{100}");
+EXPECT
+\x{0100}
+########
+stringify(undef);
+EXPECT
+undef
+########
+stringify("foo");
+EXPECT
+'foo'
+########
+stringify("\cA");
+EXPECT
+"\cA"
+########
+stringify(*a);
+EXPECT
+*main::a
+########
+stringify(\undef);
+EXPECT
+/^'SCALAR\(0x[0-9a-f]+\)'$/i
+########
+stringify([]);
+EXPECT
+/^'ARRAY\(0x[0-9a-f]+\)'$/i
+########
+stringify({});
+EXPECT
+/^'HASH\(0x[0-9a-f]+\)'$/i
+########
+stringify(sub{});
+EXPECT
+/^'CODE\(0x[0-9a-f]+\)'$/i
+########
+stringify(\*a);
+EXPECT
+/^'GLOB\(0x[0-9a-f]+\)'$/i
+########
+stringify($foo);
+EXPECT
+/^'Foo=ARRAY\(0x[0-9a-f]+\)'$/i
+########
+stringify($bar);
+EXPECT
+/^'Bar=ARRAY\(0x[0-9a-f]+\)'$/i
+########
+dumpValue(undef);
+EXPECT
+undef
+########
+dumpValue(1);
+EXPECT
+1
+########
+dumpValue("\cA");
+EXPECT
+"\cA"
+########
+dumpValue("\x{100}");
+EXPECT
+'\x{0100}'
+########
+dumpValue("1\n2\n3");
+EXPECT
+'1
+2
+3'
+########
+dumpValue([1..3],1);
+EXPECT
+0  1
+1  2
+2  3
+########
+dumpValue({1..4},1);
+EXPECT
+1 => 2
+3 => 4
+########
+dumpValue($foo,1);
+EXPECT
+0  1
+1  2
+2  3
+3  4
+4  5
+########
+dumpValue($bar,1);
+EXPECT
+0  1
+1  2
+2  3
+3  4
+4  5
+########