diff options
Diffstat (limited to 'gdb/testsuite/gdb.c++/member-ptr.exp')
| -rw-r--r-- | gdb/testsuite/gdb.c++/member-ptr.exp | 510 |
1 files changed, 510 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.c++/member-ptr.exp b/gdb/testsuite/gdb.c++/member-ptr.exp new file mode 100644 index 00000000000..7b4dd7c1bf1 --- /dev/null +++ b/gdb/testsuite/gdb.c++/member-ptr.exp @@ -0,0 +1,510 @@ +# Copyright (C) 1998 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 +# (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 +# Tests for pointer-to-member support +# Written by Satish Pai <pai@apollo.hp.com> 1997-08-19 + +# This file is part of the gdb testsuite + + +if $tracelevel then { + strace $tracelevel + } + +# +# test running programs +# + +# Start with a fresh gdb +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir + +set prms_id 0 +set bug_id 0 + +set testfile "member-ptr" +set srcfile ${testfile}.cc +set binfile ${objdir}/${subdir}/${testfile} + +if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + + +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfile} + + +if ![runto_main] then { + perror "couldn't run to breakpoint" + continue +} + +send_gdb "break 83\n" +gdb_expect { + -re "Breakpoint \[0-9\]*.*line 83\\.\r\n$gdb_prompt $" { + pass "set break at 83" + } + -re ".*$gdb_prompt $" { fail "set break at 83" } + timeout { fail "(timeout) set break at 83" } +} + +send_gdb "continue\n" +gdb_expect { + -re "Continuing\\.\r\n\r\nBreakpoint.*at.*member-ptr\\.cc:83\r\n83\[ \t]*pmi = NULL;\r\n$gdb_prompt $" { + pass "continue to 83" + } + -re ".*$gdb_prompt $" { fail "continue to 83" } + timeout { fail "(timeout) continue to 83" } +} + +# ptype on pointer to data member + +send_gdb "ptype pmi\n" +gdb_expect { + -re "type = int \\( A::\\*\\)\r\n$gdb_prompt $" { + pass "ptype pmi" + } + -re ".*$gdb_prompt $" { fail "ptype pmi" } + timeout { fail "(timeout) ptype pmi" } +} + +# print pointer to data member + +send_gdb "print pmi\n" +gdb_expect { + -re "\\$\[0-9\]* = \\(int \\( A::\\*\\)\\) &A::j\r\n$gdb_prompt $" { + pass "print pmi" + } + -re ".*$gdb_prompt $" { fail "print pmi" } + timeout { fail "(timeout) print pmi" } +} + + +# print dereferenced pointer to data member + +send_gdb "print a.*pmi\n" +gdb_expect { + -re "\\$\[0-9\]* = 121\r\n$gdb_prompt $" { + pass "print a.*pmi" + } + -re ".*$gdb_prompt $" { fail "print a.*pmi" } + timeout { fail "(timeout) print a.*pmi" } +} + +# print dereferenced pointer to data member +# this time, dereferenced through a pointer + +send_gdb "print a_p->*pmi\n" +gdb_expect { + -re "\\$\[0-9\]* = 121\r\n$gdb_prompt $" { + pass "print a->*pmi" + } + -re ".*$gdb_prompt $" { fail "print a->*pmi" } + timeout { fail "(timeout) print a->*pmi" } +} + + +# set the pointer to data member + +send_gdb "set var pmi = &A::jj\n" +gdb_expect { + -re "$gdb_prompt $" { + pass "set var (not really a pass)" + } + timeout { fail "(timeout) " } +} + +# Now print the pointer again + +send_gdb "print pmi\n" +gdb_expect { + -re "\\$\[0-9\]* = \\(int \\( A::\\*\\)\\) &A::jj\r\n$gdb_prompt $" { + pass "print pmi after setting" + } + -re ".*$gdb_prompt $" { fail "print pmi after setting" } + timeout { fail "(timeout) print pmi after setting" } +} + +# print dereferenced pointer to data member again + +send_gdb "print a.*pmi\n" +gdb_expect { + -re "\\$\[0-9\]* = 1331\r\n$gdb_prompt $" { + pass "print a.*pmi after setting" + } + -re ".*$gdb_prompt $" { fail "print a.*pmi after setting" } + timeout { fail "(timeout) print a.*pmi after setting" } +} + +# set the pointer to data member back to A::j + +send_gdb "set var pmi = &A::j\n" +gdb_expect { + -re "$gdb_prompt $" { + pass "set var back to A::j (not really a pass)" + } + timeout { fail "(timeout) set var pmi" } +} + +# print dereferenced pointer to data member yet again (extra check, why not) + +send_gdb "print a.*pmi\n" +gdb_expect { + -re "\\$\[0-9\]* = 121\r\n$gdb_prompt $" { + pass "print a.*pmi after resetting" + } + -re ".*$gdb_prompt $" { fail "print a.*pmi after resetting" } + timeout { fail "(timeout) print a.*pmi after resetting" } +} + +# Set the data member pointed to. + +send_gdb "print a.*pmi = 33\n" +gdb_expect { + -re "\\$\[0-9\]* = 33\r\n$gdb_prompt $" { + pass "print command to set" + } + -re ".*$gdb_prompt $" { fail "print command to set" } + timeout { fail "(timeout) print command to set" } +} + +# Now check that the data really was changed +send_gdb "print a.*pmi\n" +gdb_expect { + -re "\\$\[0-9\]* = 33\r\n$gdb_prompt $" { + pass "print a.*pmi after setting member pointed to" + } + -re ".*$gdb_prompt $" { fail "print a.*pmi after setting member pointed to" } + timeout { fail "(timeout) print a.*pmi after setting member pointed to" } +} + +# Double-check by printing a. +send_gdb "print a\n" +gdb_expect { + -re "\\$\[0-9\]* = \{c = 120 'x', j = 33, jj = 1331, static s = 10, Virtual table at $hex\}\r\n$gdb_prompt $" { + pass "print a after setting member pointed to by pmi" + } + -re ".*$gdb_prompt $" { fail "print a after setting member pointed to by pmi" } + timeout { fail "(timeout) print a after setting member pointed to by pmi" } +} + + +# Set the data member pointed to, using ->* + +send_gdb "print a_p->*pmi = 44\n" +gdb_expect { + -re "\\$\[0-9\]* = 44\r\n$gdb_prompt $" { + pass "print command to set (->)" + } + -re ".*$gdb_prompt $" { fail "print command to set (->)" } + timeout { fail "(timeout) print command to set (->)" } +} + +# Now check that the data really was changed +send_gdb "print a_p->*pmi\n" +gdb_expect { + -re "\\$\[0-9\]* = 44\r\n$gdb_prompt $" { + pass "print a_p->*pmi after setting member pointed to" + } + -re ".*$gdb_prompt $" { fail "print a_p->*pmi after setting member pointed to" } + timeout { fail "(timeout) print a_p->*pmi after setting member pointed to" } +} + +# Double-check by printing a. +send_gdb "print a\n" +gdb_expect { + -re "\\$\[0-9\]* = \{c = 120 'x', j = 44, jj = 1331, static s = 10, Virtual table at $hex\}\r\n$gdb_prompt $" { + pass "print a after setting member pointed to by pmi (->) " + } + -re ".*$gdb_prompt $" { fail "print a after setting member pointed to by pmi (->) " } + timeout { fail "(timeout) print a after setting member pointed to by pmi (->) " } +} + + +# Do a ptype on the dereferenced pointer to member +# pai/1997-08-20 Doesn't work + +# send_gdb "ptype a.*pmi\n" +# gdb_expect { +# -re "type = int\r\n$gdb_prompt $" { +# pass "ptype a.*pmi" +# } +# -re ".*$gdb_prompt $" { fail "ptype a.*pmi" } +# timeout { fail "(timeout) ptype a.*pmi" } +#} + +# Try to dereference the pointer to data member without any object + +send_gdb "print *pmi\n" +gdb_expect { + -re "Attempt to dereference pointer to member without an object\r\n$gdb_prompt $" { + pass "attempt to print ptr to member without object" + } + -re ".*$gdb_prompt $" { fail "attempt to print ptr to member without object" } + timeout { fail "(timeout) attempt to print ptr to member without object" } +} + +# Try to ptype a dereference of the pointer to data member without any object + +send_gdb "ptype *pmi\n" +gdb_expect { + -re "Attempt to dereference pointer to member without an object\r\n$gdb_prompt $" { + pass "attempt to ptype ptr to member without object" + } + -re ".*$gdb_prompt $" { fail "attempt to ptype ptr to member without object" } + timeout { fail "(timeout) attempt to ptype ptr to member without object" } +} + +# Ptype a pointer to a method. + +send_gdb "ptype pmf\n" +gdb_expect { + -re "type = int \\( A::\\*\\)\\(\\.\\.\\.\\)\r\n$gdb_prompt $" { + pass "ptype pmf" + } + -re ".*$gdb_prompt $" { fail "ptype pmf" } + timeout { fail "(timeout) ptype pmf" } +} + +# print a pointer to a method + +send_gdb "print pmf\n" +gdb_expect { + -re "\\$\[0-9\]* = \\(int \\( A::\\*\\)\\(\\.\\.\\.\\)\\) \\?\\? <not supported with HP aCC>\r\n$gdb_prompt $" { + pass "print pmf" + } + -re ".*$gdb_prompt $" { fail "print pmf" } + timeout { fail "(timeout) print pmf" } +} + + +# Ptype a pointer to a pointer to a method + +send_gdb "ptype pmf_p\n" +gdb_expect { + -re "type = int \\( A::\\*\\*\\)\\(\\.\\.\\.\\)\r\n$gdb_prompt $" { + pass "ptype pmf_p" + } + -re ".*$gdb_prompt $" { fail "ptype pmf_p" } + timeout { fail "(timeout) ptype pmf_p" } +} + +# print a pointer to a pointer to a method + +send_gdb "print pmf_p\n" +gdb_expect { + -re "\\$\[0-9\]* = \\(int \\( A::\\*\\*\\)\\(\\.\\.\\.\\)\\) $hex\r\n$gdb_prompt $" { + pass "print pmf_p" + } + -re ".*$gdb_prompt $" { fail "print pmf_p" } + timeout { fail "(timeout) print pmf_p" } +} + +# print dereferenced pointer to method + +send_gdb "print a.*pmf\n" +gdb_expect { + -re "Pointers to methods not supported with HP aCC\r\n$gdb_prompt $" { + pass "print a.*pmf (known aCC limitation)" + } + -re ".*$gdb_prompt $" { fail "print a.*pmf -- ??" } + timeout { fail "(timeout) print a.*pmf" } +} + +# print dereferenced pointer to method, using ->* + +send_gdb "print a_p->*pmf\n" +gdb_expect { + -re "Pointers to methods not supported with HP aCC\r\n$gdb_prompt $" { + pass "print a_p->*pmf (known aCC limitation)" + } + -re ".*$gdb_prompt $" { fail "print a_p->*pmf -- ??" } + timeout { fail "(timeout) print a_p->*pmf" } +} + +# set the pointer to data member + +send_gdb "set var pmf = &A::foo\n" +gdb_expect { + -re "Assignment to pointers to methods not implemented with HP aCC\r\n$gdb_prompt $" { + pass "set var pmf (known aCC limitation)" + } + -re ".*$gdb_prompt $" { fail "set var pmf -- ??" } + timeout { fail "(timeout) set var pmf" } +} + +# Try to dereference the pointer to method without any object + +send_gdb "print *pmf\n" +gdb_expect { + -re "Attempt to dereference pointer to member without an object\r\n$gdb_prompt $" { + pass "attempt to print ptr to method without object" + } + -re ".*$gdb_prompt $" { fail "attempt to print ptr to method without object" } + timeout { fail "(timeout) attempt to print ptr to method without object" } +} + +# Try to ptype a dereference of the pointer to method without any object + +send_gdb "ptype *pmi\n" +gdb_expect { + -re "Attempt to dereference pointer to member without an object\r\n$gdb_prompt $" { + pass "attempt to ptype ptr to member without object" + } + -re ".*$gdb_prompt $" { fail "attempt to ptype ptr to member without object" } + timeout { fail "(timeout) attempt to ptype ptr to member without object" } +} + +# Check cast of pointer to member to integer +send_gdb "print (int) pmi\n" +gdb_expect { + -re "\\$\[0-9\]* = 8\r\n$gdb_prompt $" { + pass "casting pmi to int" + } + -re ".*$gdb_prompt $" { fail "casting pmi to int" } + timeout { fail "(timeout) casting pmi to int" } +} + +# Check cast of pointer to method to integer +send_gdb "print (int) pmf\n" +gdb_expect { + -re "Pointers to methods not supported with HP aCC\r\n$gdb_prompt $" { + pass "casting pmf to int (known aCC limitation)" + } + -re ".*$gdb_prompt $" { fail "casting pmf to int -- ??" } + timeout { fail "(timeout) casting pmf to int" } +} + +# Try to invoke a function through a pointer to data member +send_gdb "print (a.*pmi)(3)\n" +gdb_expect { + -re "Not implemented: function invocation through pointer to method with HP aCC\r\n$gdb_prompt $" { + pass "print (a.*pmi)(3) -- error message should be different" + } + -re ".*$gdb_prompt $" { fail "print (a.*pmi)(3) -- ???" } + timeout { fail "(timeout) print (a.*pmi)(3)" } +} + +# Try to invoke a function through a pointer to a method +send_gdb "print (a.*pmf)(3)\n" +gdb_expect { + -re "Not implemented: function invocation through pointer to method with HP aCC\r\n$gdb_prompt $" { + pass "print (a.*pmi)(3) -- known aCC limitation" + } + -re ".*$gdb_prompt $" { fail "print (a.*pmf)(3) -- ???" } + timeout { fail "(timeout) print (a.*pmf)(3)" } +} + + +# Go past assignment of NULL to pmi +send_gdb "next\n" +gdb_expect { + -re "\r\n85\[ \t\]*k = \\(a.\\*pmf\\)\\(3\\);\r\n$gdb_prompt $" { + pass "next past 83" + } + -re ".*$gdb_prompt $" { fail "next past 83" } + timeout { fail "(timeout) next past 83" } +} + +#send_gdb "print pmi\n" +#gdb_expect { +# -re "Attempted dereference of null pointer-to-member\r\n$gdb_prompt $" { +# pass "" +# } +# -re ".*$gdb_prompt $" { fail "" } +# timeout { fail "(timeout) " } +#} + +# Dereference the null pointer to member +send_gdb "print a.*pmi\n" +gdb_expect { + -re "Attempted dereference of null pointer-to-member\r\n$gdb_prompt $" { + pass "print a.*NULL" + } + -re ".*$gdb_prompt $" { fail "print a.*NULL" } + timeout { fail "(timeout) print a.*NULL" } +} + + +# Go to another part of the program +send_gdb "break 91\n" +gdb_expect { + -re "Breakpoint \[0-9\]*.*line 91\\.\r\n$gdb_prompt $" { + pass "set break at 91" + } + -re ".*$gdb_prompt $" { fail "set break at 91" } + timeout { fail "(timeout) set break at 91" } +} + +send_gdb "continue\n" +gdb_expect { + -re "Continuing\\.\r\n\r\nBreakpoint.*at.*member-ptr\\.cc:91\r\n91\[ \t]*k = \\(a.\\*pmf\\)\\(4\\);\r\n$gdb_prompt $" { + pass "continue to 91" + } + -re ".*$gdb_prompt $" { fail "continue to 91" } + timeout { fail "(timeout) continue to 91" } +} + + +# Now check again that pmi works even when not set to +# something that's at the beginning of the object + +send_gdb "print pmi\n" +gdb_expect { + -re "\\$\[0-9\]* = \\(int \\( A::\\*\\)\\) &A::jj\r\n$gdb_prompt $" { + pass "print pmi (2)" + } + -re ".*$gdb_prompt $" { fail "print pmi (2)" } + timeout { fail "(timeout) print pmi (2)" } +} + + +# print dereferenced pointer to data member + +send_gdb "print a.*pmi\n" +gdb_expect { + -re "\\$\[0-9\]* = 1331\r\n$gdb_prompt $" { + pass "print a.*pmi (2)" + } + -re ".*$gdb_prompt $" { fail "print a.*pmi (2)" } + timeout { fail "(timeout) print a.*pmi (2)" } +} + +# print dereferenced pointer to data member +# this time, dereferenced through a pointer + +send_gdb "print a_p->*pmi\n" +gdb_expect { + -re "\\$\[0-9\]* = 1331\r\n$gdb_prompt $" { + pass "print a->*pmi" + } + -re ".*$gdb_prompt $" { fail "print a->*pmi (2)" } + timeout { fail "(timeout) print a->*pmi (2)" } +} + + +# p a.*pmf - fail + +# p pmi + +# p a.*pmi + |