Use minimal @INC in tests, most of the time just '../lib',

[p5sagit/p5-mst-13.2.git] / t / op / method.t

diff --git a/t/op/method.t b/t/op/method.t
index 7c19ecd..be4df75 100755 (executable)
--- a/t/op/method.t
+++ b/t/op/method.t
@@ -4,7 +4,12 @@
 # test method calls and autoloading.
 #
 
-print "1..18\n";
+BEGIN {
+    chdir 't' if -d 't';
+    @INC = '../lib';
+}
+
+print "1..53\n";
 
 @A::ISA = 'B';
 @B::ISA = 'C';
@@ -19,16 +24,57 @@ sub test {
   print "ok ", ++$cnt, "\n"
 }
 
+# First, some basic checks of method-calling syntax:
+$obj = bless [], "Pack";
+sub Pack::method { shift; join(",", "method", @_) }
+$mname = "method";
+
+test(Pack->method("a","b","c"), "method,a,b,c");
+test(Pack->$mname("a","b","c"), "method,a,b,c");
+test(method Pack ("a","b","c"), "method,a,b,c");
+test((method Pack "a","b","c"), "method,a,b,c");
+
+test(Pack->method(), "method");
+test(Pack->$mname(), "method");
+test(method Pack (), "method");
+test(Pack->method, "method");
+test(Pack->$mname, "method");
+test(method Pack, "method");
+
+test($obj->method("a","b","c"), "method,a,b,c");
+test($obj->$mname("a","b","c"), "method,a,b,c");
+test((method $obj ("a","b","c")), "method,a,b,c");
+test((method $obj "a","b","c"), "method,a,b,c");
+
+test($obj->method(), "method");
+test($obj->$mname(), "method");
+test((method $obj ()), "method");
+test($obj->method, "method");
+test($obj->$mname, "method");
+test(method $obj, "method");
+
 test( A->d, "C::d");           # Update hash table;
 
 *B::d = \&D::d;                        # Import now.
 test (A->d, "D::d");           # Update hash table;
 
-eval 'sub B::d {"B::d1"}';     # Import now.
-test (A->d, "B::d1");          # Update hash table;
+{
+    local @A::ISA = qw(C);     # Update hash table with split() assignment
+    test (A->d, "C::d");
+    $#A::ISA = -1;
+    test (eval { A->d } || "fail", "fail");
+}
+test (A->d, "D::d");
+
+{
+    local *B::d;
+    eval 'sub B::d {"B::d1"}'; # Import now.
+    test (A->d, "B::d1");      # Update hash table;
+    undef &B::d;
+    test ((eval { A->d }, ($@ =~ /Undefined subroutine/)), 1);
+}
 
-undef &B::d;                   # Should work without any help too
-test (A->d, "C::d");
+test (A->d, "D::d");           # Back to previous state
 
 eval 'sub B::d {"B::d2"}';     # Import now.
 test (A->d, "B::d2");          # Update hash table;
@@ -54,8 +100,19 @@ test (A->d, "B::d4");               # Update hash table;
 delete $B::{d};                        # Should work without any help too
 test (A->d, "C::d");
 
+{
+    local *C::d;
+    test (eval { A->d } || "nope", "nope");
+}
+test (A->d, "C::d");
+
+*A::x = *A::d;                 # See if cache incorrectly follows synonyms
+A->d;
+test (eval { A->x } || "nope", "nope");
+
 eval <<'EOF';
 sub C::e;
+BEGIN { *B::e = \&C::e }       # Shouldn't prevent AUTOLOAD in original pkg
 sub Y::f;
 $counter = 0;
 
@@ -65,14 +122,16 @@ $counter = 0;
 sub B::AUTOLOAD {
   my $c = ++$counter;
   my $method = $B::AUTOLOAD; 
-  *$B::AUTOLOAD = sub { "B: In $method, $c" };
-  goto &$B::AUTOLOAD;
+  my $msg = "B: In $method, $c";
+  eval "sub $method { \$msg }";
+  goto &$method;
 }
 sub C::AUTOLOAD {
   my $c = ++$counter;
   my $method = $C::AUTOLOAD; 
-  *$C::AUTOLOAD = sub { "C: In $method, $c" };
-  goto &$C::AUTOLOAD;
+  my $msg = "C: In $method, $c";
+  eval "sub $method { \$msg }";
+  goto &$method;
 }
 EOF
 
@@ -91,10 +150,38 @@ test(Y->f(), "B: In Y::f, 3");     # Which sticks
 
 *B::AUTOLOAD = sub {
   my $c = ++$counter;
-  my $method = $main::__ANON__; 
-  *$main::__ANON__ = sub { "new B: In $method, $c" };
-  goto &$main::__ANON__;
+  my $method = $AUTOLOAD; 
+  *$AUTOLOAD = sub { "new B: In $method, $c" };
+  goto &$AUTOLOAD;
 };
 
 test(A->eee(), "new B: In A::eee, 4"); # We get a correct $autoload
 test(A->eee(), "new B: In A::eee, 4"); # Which sticks
+
+# this test added due to bug discovery
+test(defined(@{"unknown_package::ISA"}) ? "defined" : "undefined", "undefined");
+
+# test that failed subroutine calls don't affect method calls
+{
+    package A1;
+    sub foo { "foo" }
+    package A2;
+    @ISA = 'A1';
+    package main;
+    test(A2->foo(), "foo");
+    test(do { eval 'A2::foo()'; $@ ? 1 : 0}, 1);
+    test(A2->foo(), "foo");
+}
+
+{
+    test(do { use Config; eval 'Config->foo()';
+             $@ =~ /^\QCan't locate object method "foo" via package "Config" at/ ? 1 : $@}, 1);
+    test(do { use Config; eval '$d = bless {}, "Config"; $d->foo()';
+             $@ =~ /^\QCan't locate object method "foo" via package "Config" at/ ? 1 : $@}, 1);
+}
+
+test(do { eval 'E->foo()';
+         $@ =~ /^\QCan't locate object method "foo" via package "E" (perhaps / ? 1 : $@}, 1);
+test(do { eval '$e = bless {}, "E"; $e->foo()';
+         $@ =~ /^\QCan't locate object method "foo" via package "E" (perhaps / ? 1 : $@}, 1);
+