charnames.pm: Clarify comments

[perl5.git] / lib / Exporter.t

diff --git a/lib/Exporter.t b/lib/Exporter.t
index c90a460..0e69cb1 100644 (file)
--- a/lib/Exporter.t
+++ b/lib/Exporter.t
@@ -1,12 +1,14 @@
-#!./perl -w
+#!perl -w
 
 BEGIN {
-    chdir 't' if -d 't';
-    @INC = '../lib';
+   if( $ENV{PERL_CORE} ) {
+        chdir 't' if -d 't';
+        @INC = '../lib';
+    }
 }
 
 # Can't use Test::Simple/More, they depend on Exporter.
-my $test = 1;
+my $test;
 sub ok ($;$) {
     my($ok, $name) = @_;
 
@@ -21,9 +23,12 @@ sub ok ($;$) {
 }
 
 
-print "1..28\n";
-require Exporter;
-ok( 1, 'Exporter compiled' );
+BEGIN {
+    $test = 1;
+    print "1..30\n";
+    require Exporter;
+    ok( 1, 'Exporter compiled' );
+}
 
 
 BEGIN {
@@ -114,17 +119,21 @@ package Bar;
 my @imports = qw($seatbelt &Above stuff @wailing %left);
 Testing->import(@imports);
 
-::ok( (!grep { eval "!defined $_" } map({ /^\w/ ? "&$_" : $_ } @imports)),
-      'import by symbols' );
+::ok( (! grep { my ($s, $n) = @$_; eval "\\$s$n != \\${s}Testing::$n" }
+         map  { /^(\W)(\w+)/ ? [$1, $2] : ['&', $_] }
+            @imports),
+    'import by symbols' );
 
 
 package Yar;
 my @tags = qw(:This :tray);
 Testing->import(@tags);
 
-::ok( (!grep { eval "!defined $_" } map { /^\w/ ? "&$_" : $_ }
-             map { @$_ } @{$Testing::EXPORT_TAGS{@tags}}),
-      'import by tags' );
+::ok( (! grep { my ($s, $n) = @$_; eval "\\$s$n != \\${s}Testing::$n" }
+         map  { /^(\W)(\w+)/ ? [$1, $2] : ['&', $_] }
+         map  { @$_ }
+            @{$Testing::EXPORT_TAGS{@tags}}),
+    'import by tags' );
 
 
 package Arrr;
@@ -136,17 +145,22 @@ Testing->import(qw(!lifejacket));
 package Mars;
 Testing->import('/e/');
 
-::ok( (!grep { eval "!defined $_" } map { /^\w/ ? "&$_" : $_ }
-            grep { /e/ } @Testing::EXPORT, @Testing::EXPORT_OK),
-      'import by regex');
+::ok( (! grep { my ($s, $n) = @$_; eval "\\$s$n != \\${s}Testing::$n" }
+         map  { /^(\W)(\w+)/ ? [$1, $2] : ['&', $_] }
+         grep { /e/ }
+            @Testing::EXPORT, @Testing::EXPORT_OK),
+    'import by regex');
 
 
 package Venus;
 Testing->import('!/e/');
 
-::ok( (!grep { eval "defined $_" } map { /^\w/ ? "&$_" : $_ }
-            grep { /e/ } @Testing::EXPORT, @Testing::EXPORT_OK),
-      'deny import by regex');
+::ok( (! grep { my ($s, $n) = @$_; eval "\\$s$n == \\${s}Testing::$n" }
+         map  { /^(\W)(\w+)/ ? [$1, $2] : ['&', $_] }
+         grep { /e/ }
+            @Testing::EXPORT, @Testing::EXPORT_OK),
+    'deny import by regex');
+
 ::ok( !defined &lifejacket, 'further denial' );
 
 
@@ -166,7 +180,7 @@ eval { Yet::More::Testing->require_version(10); 1 };
 
 my $warnings;
 BEGIN {
-    $SIG{__WARN__} = sub { $warnings = join '', @_ };
+    local $SIG{__WARN__} = sub { $warnings = join '', @_ };
     package Testing::Unused::Vars;
     @ISA = qw(Exporter);
     @EXPORT = qw(this $TODO that);
@@ -201,7 +215,6 @@ package The::Import;
 
 use Exporter 'import';
 
-eval { import() };
 ::ok(\&import == \&Exporter::import, "imported the import routine");
 
 @EXPORT = qw( wibble );
@@ -214,3 +227,9 @@ The::Import->import;
 my $val = eval { wibble() };
 ::ok($val eq "wobble", "exported importer worked");
 
+# Check that Carp recognizes Exporter as internal to Perl 
+require Carp;
+eval { Carp::croak() };
+::ok($Carp::Internal{Exporter}, "Carp recognizes Exporter");
+::ok($Carp::Internal{'Exporter::Heavy'}, "Carp recognizes Exporter::Heavy");
+