diff options
| -rw-r--r-- | gdb/testsuite/gdb.cp/casts.cc | 2 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.cp/casts.exp | 17 |
2 files changed, 19 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.cp/casts.cc b/gdb/testsuite/gdb.cp/casts.cc index 831add9..6ecd340 100644 --- a/gdb/testsuite/gdb.cp/casts.cc +++ b/gdb/testsuite/gdb.cp/casts.cc @@ -15,6 +15,8 @@ main (int argc, char **argv) { A *a = new B(42, 1729); B *b = (B *) a; + A &ar = *b; + B &br = (B&)ar; return 0; /* breakpoint spot: casts.exp: 1 */ } diff --git a/gdb/testsuite/gdb.cp/casts.exp b/gdb/testsuite/gdb.cp/casts.exp index 9d6c472..c8b7332 100644 --- a/gdb/testsuite/gdb.cp/casts.exp +++ b/gdb/testsuite/gdb.cp/casts.exp @@ -80,3 +80,20 @@ 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" |