2012-01-16 Pedro Alves <palves@redhat.com>

[pf3gnuchains/pf3gnuchains4x.git] / gdb / testsuite / gdb.cp / casts.exp

diff --git a/gdb/testsuite/gdb.cp/casts.exp b/gdb/testsuite/gdb.cp/casts.exp
index 5b6cabe..84569ab 100644 (file)
--- a/gdb/testsuite/gdb.cp/casts.exp
+++ b/gdb/testsuite/gdb.cp/casts.exp
@@ -1,21 +1,17 @@
-# Copyright 2002, 2003 Free Software Foundation, Inc.
+# Copyright 2002-2004, 2007-2012 Free Software Foundation, Inc.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
-# 
+#
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  
-
-# Please email any bugs, comments, and/or additions to this file to:
-# bug-gdb@prep.ai.mit.edu
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 # This file is part of the gdb testsuite
 
@@ -24,16 +20,10 @@
 
 # This file is part of the gdb testsuite
 
-if $tracelevel then {
-        strace $tracelevel
-        }
-
 #
 # test running programs
 #
 
-set prms_id 0
-set bug_id 0
 
 if { [skip_cplus_tests] } { continue }
 
@@ -46,7 +36,8 @@ if [get_compiler_info ${binfile} "c++"] {
 }
 
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
-     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
+     untested casts.exp
+     return -1
 }
 
 
@@ -83,3 +74,92 @@ gdb_test "print * (B *) a" ".* = {<A> = {a = 42}, b = 1729}" \
 # the dereference.
 gdb_test "print * b" ".* = {<A> = {a = 42}, b = 1729}" \
     "let compiler cast base class pointer to derived class pointer"
+
+# Check upcasting (it is trivial but still). 
+gdb_test "print * (A *) b" ".* = {a = 42}" \
+    "cast derived class pointer to base class pointer"
+
+# Casting References.
+# Check upcasting. 
+gdb_test "print (A &) br" ".* = .A &.* {a = 42}" \
+    "cast derived class reference to base class reference"
+
+# Check downcasting.
+gdb_test "print (B &) ar" ".* = .B.* {<A> = {a = 42}, b = 1729}" \
+    "cast base class reference to derived class reference"
+
+# Check compiler casting
+gdb_test "print br" ".* = .B.* {<A> = {a = 42}, b = 1729}" \
+    "let compiler cast base class reference to derived class reference"
+
+
+# A few basic tests of "new" casts.
+
+gdb_test "print const_cast<const B *> (b)" " = \\(const B \\*\\) $hex" \
+    "basic test of const_cast"
+
+gdb_test "print const_cast<void *> (0)" " = \\(void \\*\\) 0x0" \
+    "const_cast of 0"
+
+gdb_test "print static_cast<A *> (b)" " = \\(A \\*\\) $hex" \
+    "basic test of static_cast"
+
+gdb_test "print static_cast<A &> (*b)" " = \\(A \\&\\) @$hex: {a = 42}" \
+    "static_cast to reference type"
+
+gdb_test "print reinterpret_cast<A *> (b)" " = \\(A \\*\\) $hex" \
+    "basic test of reinterpret_cast"
+
+gdb_test "print reinterpret_cast<void> (b)" "Invalid reinterpret_cast" \
+    "test invalid reinterpret_cast"
+
+gdb_test "print reinterpret_cast<A &> (*b)" " = \\(A \\&\\) @$hex: {a = 42}" \
+    "reinterpret_cast to reference type"
+
+# Tests of dynamic_cast.
+
+set nonzero_hex "0x\[0-9A-Fa-f\]\[0-9A-Fa-f\]+"
+
+gdb_test "print dynamic_cast<void> (a)" \
+    ".*must be a pointer or reference type" \
+    "invalid dynamic_cast"
+
+gdb_test "print dynamic_cast<void *> (0)" \
+    " = \\(void \\*\\) 0x0" \
+    "dynamic_cast of 0 to void*"
+
+gdb_test "print dynamic_cast<Alpha *> (&derived)" \
+    " = \\(Alpha \\*\\) $nonzero_hex" \
+    "dynamic_cast simple upcast"
+
+gdb_test "print dynamic_cast<Alpha *> (&doublyderived)" \
+    " = \\(Alpha \\*\\) $nonzero_hex" \
+    "dynamic_cast upcast to unique base"
+
+gdb_test "print dynamic_cast<Alpha &> (derived)" \
+    " = \\(Alpha \\&\\) @$nonzero_hex: {.* = $nonzero_hex}" \
+    "dynamic_cast simple upcast to reference"
+
+gdb_test "print dynamic_cast<Derived *> (ad)" \
+    " = \\(Derived \\*\\) $nonzero_hex" \
+    "dynamic_cast simple downcast"
+
+gdb_test "print dynamic_cast<VirtuallyDerived *> (add)" \
+    " = \\(VirtuallyDerived \\*\\) $nonzero_hex" \
+    "dynamic_cast simple downcast to intermediate class"
+
+gdb_test "print dynamic_cast<VirtuallyDerived *> (ad)" \
+    " = \\(VirtuallyDerived \\*\\) 0x0" \
+    "dynamic_cast to non-existing base"
+
+gdb_test "print dynamic_cast<VirtuallyDerived &> (*ad)" \
+    "dynamic_cast failed" \
+    "dynamic_cast to reference to non-existing base"
+
+gdb_test "print dynamic_cast<DoublyDerived *> (add)" \
+    " = \\(DoublyDerived \\*\\) $nonzero_hex" \
+    "dynamic_cast unique downcast"
+
+gdb_test "print dynamic_cast<Gamma *> (add)" \
+    " = \\(Gamma \\*\\) $nonzero_hex" \
+    "dynamic_cast to sibling"