Add tests for 'p' and 'x' commands without subsequent whitespace.

Tests pass on perl-5.16.3 but should fail (until source code is corrected) on
subsequent versions.

For: RT #120174

Author: jkeenan

MANIFEST

@@ -4607,6 +4607,7 @@ lib/perl5db/t/lvalue-bug	Tests for the Perl debugger
 lib/perl5db/t/MyModule.pm	Tests for the Perl debugger
 lib/perl5db/t/proxy-constants	Tests for the Perl debugger
 lib/perl5db/t/rt-104168		Tests for the Perl debugger
+lib/perl5db/t/rt-120174		Tests for the Perl debugger
 lib/perl5db/t/rt-121509-restart-after-chdir		Tests for the Perl debugger
 lib/perl5db/t/rt-61222		Tests for the Perl debugger
 lib/perl5db/t/rt-66110		Tests for the Perl debugger

lib/perl5db.t

@@ -31,7 +31,7 @@ BEGIN {
     $ENV{PERL_RL} = 'Perl'; # Suppress system Term::ReadLine::Gnu
 }
 
-plan(123);
+plan(127);
 
 my $rc_filename = '.perldb';
 
@@ -2817,6 +2817,90 @@ SKIP:
     );
 }
 
+{
+    # perl 5 RT #120174 - 'p' command
+    my $wrapper = DebugWrap->new(
+        {
+            cmds =>
+            [
+                'b 2',
+                'c',
+                'p@abc',
+                'q',
+            ],
+            prog => '../lib/perl5db/t/rt-120174',
+        }
+    );
+
+    $wrapper->contents_like(
+        qr/1234/,
+        q/RT 120174: p command can be invoked without space after 'p'/,
+    );
+}
+
+{
+    # perl 5 RT #120174 - 'x' command on array
+    my $wrapper = DebugWrap->new(
+        {
+            cmds =>
+            [
+                'b 2',
+                'c',
+                'x@abc',
+                'q',
+            ],
+            prog => '../lib/perl5db/t/rt-120174',
+        }
+    );
+
+    $wrapper->contents_like(
+        qr/0\s+1\n1\s+2\n2\s+3\n3\s+4/ms,
+        q/RT 120174: x command can be invoked without space after 'x' before array/,
+    );
+}
+
+{
+    # perl 5 RT #120174 - 'x' command on array ref
+    my $wrapper = DebugWrap->new(
+        {
+            cmds =>
+            [
+                'b 2',
+                'c',
+                'x\@abc',
+                'q',
+            ],
+            prog => '../lib/perl5db/t/rt-120174',
+        }
+    );
+
+    $wrapper->contents_like(
+        qr/\s+0\s+1\n\s+1\s+2\n\s+2\s+3\n\s+3\s+4/ms,
+        q/RT 120174: x command can be invoked without space after 'x' before array ref/,
+    );
+}
+
+{
+    # perl 5 RT #120174 - 'x' command on hash ref
+    my $wrapper = DebugWrap->new(
+        {
+            cmds =>
+            [
+                'b 4',
+                'c',
+                'x\%xyz',
+                'q',
+            ],
+            prog => '../lib/perl5db/t/rt-120174',
+        }
+    );
+
+    $wrapper->contents_like(
+        qr/\s+'alpha'\s+=>\s+'beta'\n\s+'gamma'\s+=>\s+'delta'/ms,
+        q/RT 120174: x command can be invoked without space after 'x' before hash ref/,
+    );
+}
+
 END {
     1 while unlink ($rc_filename, $out_fn);
 }

lib/perl5db/t/rt-120174

@@ -0,0 +1,4 @@
+@abc = (1..4);
+print "hello world\n";
+%xyz = ( 'alpha' => 'beta', 'gamma' => 'delta' );
+print "goodbye world\n";