525 lines
15 KiB
Plaintext
525 lines
15 KiB
Plaintext
# Copyright (C) 1998 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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# Tests for pointer-to-member support
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# Written by Satish Pai <pai@apollo.hp.com> 1997-08-19
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# This file is part of the gdb testsuite
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if $tracelevel then {
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strace $tracelevel
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}
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#
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# test running programs
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#
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# Start with a fresh gdb
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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set prms_id 0
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set bug_id 0
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set testfile "member-ptr"
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set srcfile ${testfile}.cc
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set binfile ${objdir}/${subdir}/${testfile}
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# Create and source the file that provides information about the compiler
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# used to compile the test case.
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if [get_compiler_info ${binfile} "c++"] {
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return -1
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}
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# Nearly all of these tests fail when compiled with G++, so just give up
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# until GDB gets enhanced. -sts 1999-06-22
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if {$gcc_compiled} {
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continue
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}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
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gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
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}
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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if ![runto_main] then {
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perror "couldn't run to breakpoint"
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continue
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}
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send_gdb "break 83\n"
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gdb_expect {
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-re "Breakpoint \[0-9\]*.*line 83\\.\r\n$gdb_prompt $" {
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pass "set break at 83"
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}
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-re ".*$gdb_prompt $" { fail "set break at 83" }
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timeout { fail "(timeout) set break at 83" }
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}
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send_gdb "continue\n"
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gdb_expect {
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-re "Continuing\\.\r\n\r\nBreakpoint.*at.*member-ptr\\.cc:83\r\n83\[ \t]*pmi = NULL;\r\n$gdb_prompt $" {
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pass "continue to 83"
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}
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-re ".*$gdb_prompt $" { fail "continue to 83" }
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timeout { fail "(timeout) continue to 83" }
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}
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# ptype on pointer to data member
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send_gdb "ptype pmi\n"
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gdb_expect {
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-re "type = int \\( A::\\*\\)\r\n$gdb_prompt $" {
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pass "ptype pmi"
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}
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-re ".*$gdb_prompt $" { fail "ptype pmi" }
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timeout { fail "(timeout) ptype pmi" }
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}
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# print pointer to data member
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send_gdb "print pmi\n"
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gdb_expect {
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-re "\\$\[0-9\]* = \\(int \\( A::\\*\\)\\) &A::j\r\n$gdb_prompt $" {
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pass "print pmi"
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}
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-re ".*$gdb_prompt $" { fail "print pmi" }
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timeout { fail "(timeout) print pmi" }
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}
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# print dereferenced pointer to data member
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send_gdb "print a.*pmi\n"
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gdb_expect {
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-re "\\$\[0-9\]* = 121\r\n$gdb_prompt $" {
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pass "print a.*pmi"
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}
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-re ".*$gdb_prompt $" { fail "print a.*pmi" }
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timeout { fail "(timeout) print a.*pmi" }
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}
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# print dereferenced pointer to data member
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# this time, dereferenced through a pointer
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send_gdb "print a_p->*pmi\n"
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gdb_expect {
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-re "\\$\[0-9\]* = 121\r\n$gdb_prompt $" {
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pass "print a->*pmi"
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}
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-re ".*$gdb_prompt $" { fail "print a->*pmi" }
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timeout { fail "(timeout) print a->*pmi" }
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}
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# set the pointer to data member
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send_gdb "set var pmi = &A::jj\n"
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gdb_expect {
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-re "$gdb_prompt $" {
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pass "set var (not really a pass)"
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}
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timeout { fail "(timeout) " }
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}
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# Now print the pointer again
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send_gdb "print pmi\n"
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gdb_expect {
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-re "\\$\[0-9\]* = \\(int \\( A::\\*\\)\\) &A::jj\r\n$gdb_prompt $" {
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pass "print pmi after setting"
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}
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-re ".*$gdb_prompt $" { fail "print pmi after setting" }
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timeout { fail "(timeout) print pmi after setting" }
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}
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# print dereferenced pointer to data member again
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send_gdb "print a.*pmi\n"
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gdb_expect {
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-re "\\$\[0-9\]* = 1331\r\n$gdb_prompt $" {
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pass "print a.*pmi after setting"
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}
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-re ".*$gdb_prompt $" { fail "print a.*pmi after setting" }
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timeout { fail "(timeout) print a.*pmi after setting" }
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}
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# set the pointer to data member back to A::j
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send_gdb "set var pmi = &A::j\n"
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gdb_expect {
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-re "$gdb_prompt $" {
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pass "set var back to A::j (not really a pass)"
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}
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timeout { fail "(timeout) set var pmi" }
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}
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# print dereferenced pointer to data member yet again (extra check, why not)
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send_gdb "print a.*pmi\n"
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gdb_expect {
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-re "\\$\[0-9\]* = 121\r\n$gdb_prompt $" {
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pass "print a.*pmi after resetting"
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}
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-re ".*$gdb_prompt $" { fail "print a.*pmi after resetting" }
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timeout { fail "(timeout) print a.*pmi after resetting" }
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}
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# Set the data member pointed to.
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send_gdb "print a.*pmi = 33\n"
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gdb_expect {
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-re "\\$\[0-9\]* = 33\r\n$gdb_prompt $" {
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pass "print command to set"
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}
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-re ".*$gdb_prompt $" { fail "print command to set" }
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timeout { fail "(timeout) print command to set" }
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}
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# Now check that the data really was changed
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send_gdb "print a.*pmi\n"
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gdb_expect {
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-re "\\$\[0-9\]* = 33\r\n$gdb_prompt $" {
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pass "print a.*pmi after setting member pointed to"
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}
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-re ".*$gdb_prompt $" { fail "print a.*pmi after setting member pointed to" }
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timeout { fail "(timeout) print a.*pmi after setting member pointed to" }
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}
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# Double-check by printing a.
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send_gdb "print a\n"
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gdb_expect {
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-re "\\$\[0-9\]* = \{c = 120 'x', j = 33, jj = 1331, static s = 10, Virtual table at $hex\}\r\n$gdb_prompt $" {
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pass "print a after setting member pointed to by pmi"
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}
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-re ".*$gdb_prompt $" { fail "print a after setting member pointed to by pmi" }
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timeout { fail "(timeout) print a after setting member pointed to by pmi" }
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}
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# Set the data member pointed to, using ->*
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send_gdb "print a_p->*pmi = 44\n"
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gdb_expect {
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-re "\\$\[0-9\]* = 44\r\n$gdb_prompt $" {
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pass "print command to set (->)"
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}
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-re ".*$gdb_prompt $" { fail "print command to set (->)" }
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timeout { fail "(timeout) print command to set (->)" }
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}
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# Now check that the data really was changed
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send_gdb "print a_p->*pmi\n"
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gdb_expect {
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-re "\\$\[0-9\]* = 44\r\n$gdb_prompt $" {
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pass "print a_p->*pmi after setting member pointed to"
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}
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-re ".*$gdb_prompt $" { fail "print a_p->*pmi after setting member pointed to" }
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timeout { fail "(timeout) print a_p->*pmi after setting member pointed to" }
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}
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# Double-check by printing a.
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send_gdb "print a\n"
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gdb_expect {
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-re "\\$\[0-9\]* = \{c = 120 'x', j = 44, jj = 1331, static s = 10, Virtual table at $hex\}\r\n$gdb_prompt $" {
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pass "print a after setting member pointed to by pmi (->) "
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}
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-re ".*$gdb_prompt $" { fail "print a after setting member pointed to by pmi (->) " }
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timeout { fail "(timeout) print a after setting member pointed to by pmi (->) " }
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}
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# Do a ptype on the dereferenced pointer to member
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# pai/1997-08-20 Doesn't work
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# send_gdb "ptype a.*pmi\n"
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# gdb_expect {
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# -re "type = int\r\n$gdb_prompt $" {
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# pass "ptype a.*pmi"
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# }
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# -re ".*$gdb_prompt $" { fail "ptype a.*pmi" }
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# timeout { fail "(timeout) ptype a.*pmi" }
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#}
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# Try to dereference the pointer to data member without any object
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send_gdb "print *pmi\n"
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gdb_expect {
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-re "Attempt to dereference pointer to member without an object\r\n$gdb_prompt $" {
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pass "attempt to print ptr to member without object"
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}
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-re ".*$gdb_prompt $" { fail "attempt to print ptr to member without object" }
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timeout { fail "(timeout) attempt to print ptr to member without object" }
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}
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# Try to ptype a dereference of the pointer to data member without any object
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send_gdb "ptype *pmi\n"
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gdb_expect {
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-re "Attempt to dereference pointer to member without an object\r\n$gdb_prompt $" {
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pass "attempt to ptype ptr to member without object"
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}
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-re ".*$gdb_prompt $" { fail "attempt to ptype ptr to member without object" }
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timeout { fail "(timeout) attempt to ptype ptr to member without object" }
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}
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# Ptype a pointer to a method.
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send_gdb "ptype pmf\n"
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gdb_expect {
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-re "type = int \\( A::\\*\\)\\(\\.\\.\\.\\)\r\n$gdb_prompt $" {
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pass "ptype pmf"
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}
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-re ".*$gdb_prompt $" { fail "ptype pmf" }
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timeout { fail "(timeout) ptype pmf" }
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}
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# print a pointer to a method
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send_gdb "print pmf\n"
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gdb_expect {
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-re "\\$\[0-9\]* = \\(int \\( A::\\*\\)\\(\\.\\.\\.\\)\\) \\?\\? <not supported with HP aCC>\r\n$gdb_prompt $" {
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pass "print pmf"
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}
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-re ".*$gdb_prompt $" { fail "print pmf" }
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timeout { fail "(timeout) print pmf" }
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}
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# Ptype a pointer to a pointer to a method
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send_gdb "ptype pmf_p\n"
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gdb_expect {
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-re "type = int \\( A::\\*\\*\\)\\(\\.\\.\\.\\)\r\n$gdb_prompt $" {
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pass "ptype pmf_p"
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}
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-re ".*$gdb_prompt $" { fail "ptype pmf_p" }
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timeout { fail "(timeout) ptype pmf_p" }
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}
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# print a pointer to a pointer to a method
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send_gdb "print pmf_p\n"
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gdb_expect {
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-re "\\$\[0-9\]* = \\(int \\( A::\\*\\*\\)\\(\\.\\.\\.\\)\\) $hex\r\n$gdb_prompt $" {
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pass "print pmf_p"
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}
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-re ".*$gdb_prompt $" { fail "print pmf_p" }
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timeout { fail "(timeout) print pmf_p" }
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}
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# print dereferenced pointer to method
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send_gdb "print a.*pmf\n"
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gdb_expect {
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-re "Pointers to methods not supported with HP aCC\r\n$gdb_prompt $" {
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pass "print a.*pmf (known aCC limitation)"
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}
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-re ".*$gdb_prompt $" { fail "print a.*pmf -- ??" }
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timeout { fail "(timeout) print a.*pmf" }
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}
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# print dereferenced pointer to method, using ->*
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send_gdb "print a_p->*pmf\n"
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gdb_expect {
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-re "Pointers to methods not supported with HP aCC\r\n$gdb_prompt $" {
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pass "print a_p->*pmf (known aCC limitation)"
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}
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-re ".*$gdb_prompt $" { fail "print a_p->*pmf -- ??" }
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timeout { fail "(timeout) print a_p->*pmf" }
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}
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# set the pointer to data member
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send_gdb "set var pmf = &A::foo\n"
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gdb_expect {
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-re "Assignment to pointers to methods not implemented with HP aCC\r\n$gdb_prompt $" {
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pass "set var pmf (known aCC limitation)"
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}
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-re ".*$gdb_prompt $" { fail "set var pmf -- ??" }
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timeout { fail "(timeout) set var pmf" }
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}
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# Try to dereference the pointer to method without any object
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send_gdb "print *pmf\n"
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gdb_expect {
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-re "Attempt to dereference pointer to member without an object\r\n$gdb_prompt $" {
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pass "attempt to print ptr to method without object"
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}
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-re ".*$gdb_prompt $" { fail "attempt to print ptr to method without object" }
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timeout { fail "(timeout) attempt to print ptr to method without object" }
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}
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# Try to ptype a dereference of the pointer to method without any object
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send_gdb "ptype *pmi\n"
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gdb_expect {
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-re "Attempt to dereference pointer to member without an object\r\n$gdb_prompt $" {
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pass "attempt to ptype ptr to member without object"
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}
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-re ".*$gdb_prompt $" { fail "attempt to ptype ptr to member without object" }
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timeout { fail "(timeout) attempt to ptype ptr to member without object" }
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}
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# Check cast of pointer to member to integer
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send_gdb "print (int) pmi\n"
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gdb_expect {
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-re "\\$\[0-9\]* = 8\r\n$gdb_prompt $" {
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pass "casting pmi to int"
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}
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-re ".*$gdb_prompt $" { fail "casting pmi to int" }
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timeout { fail "(timeout) casting pmi to int" }
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}
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# Check cast of pointer to method to integer
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send_gdb "print (int) pmf\n"
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gdb_expect {
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-re "Pointers to methods not supported with HP aCC\r\n$gdb_prompt $" {
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pass "casting pmf to int (known aCC limitation)"
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}
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-re ".*$gdb_prompt $" { fail "casting pmf to int -- ??" }
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timeout { fail "(timeout) casting pmf to int" }
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}
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# Try to invoke a function through a pointer to data member
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send_gdb "print (a.*pmi)(3)\n"
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gdb_expect {
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-re "Not implemented: function invocation through pointer to method with HP aCC\r\n$gdb_prompt $" {
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pass "print (a.*pmi)(3) -- error message should be different"
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}
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-re ".*$gdb_prompt $" { fail "print (a.*pmi)(3) -- ???" }
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timeout { fail "(timeout) print (a.*pmi)(3)" }
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}
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# Try to invoke a function through a pointer to a method
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send_gdb "print (a.*pmf)(3)\n"
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gdb_expect {
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-re "Not implemented: function invocation through pointer to method with HP aCC\r\n$gdb_prompt $" {
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pass "print (a.*pmi)(3) -- known aCC limitation"
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}
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-re ".*$gdb_prompt $" { fail "print (a.*pmf)(3) -- ???" }
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timeout { fail "(timeout) print (a.*pmf)(3)" }
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}
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# Go past assignment of NULL to pmi
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send_gdb "next\n"
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gdb_expect {
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-re "\r\n85\[ \t\]*k = \\(a.\\*pmf\\)\\(3\\);\r\n$gdb_prompt $" {
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pass "next past 83"
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}
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-re ".*$gdb_prompt $" { fail "next past 83" }
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timeout { fail "(timeout) next past 83" }
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}
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#send_gdb "print pmi\n"
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#gdb_expect {
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# -re "Attempted dereference of null pointer-to-member\r\n$gdb_prompt $" {
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# pass ""
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# }
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# -re ".*$gdb_prompt $" { fail "" }
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# timeout { fail "(timeout) " }
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#}
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# Dereference the null pointer to member
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send_gdb "print a.*pmi\n"
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gdb_expect {
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-re "Attempted dereference of null pointer-to-member\r\n$gdb_prompt $" {
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pass "print a.*NULL"
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}
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-re ".*$gdb_prompt $" { fail "print a.*NULL" }
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timeout { fail "(timeout) print a.*NULL" }
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}
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# Go to another part of the program
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send_gdb "break 91\n"
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gdb_expect {
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-re "Breakpoint \[0-9\]*.*line 91\\.\r\n$gdb_prompt $" {
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pass "set break at 91"
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}
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-re ".*$gdb_prompt $" { fail "set break at 91" }
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timeout { fail "(timeout) set break at 91" }
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}
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send_gdb "continue\n"
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gdb_expect {
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-re "Continuing\\.\r\n\r\nBreakpoint.*at.*member-ptr\\.cc:91\r\n91\[ \t]*k = \\(a.\\*pmf\\)\\(4\\);\r\n$gdb_prompt $" {
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pass "continue to 91"
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}
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-re ".*$gdb_prompt $" { fail "continue to 91" }
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timeout { fail "(timeout) continue to 91" }
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}
|
|
|
|
|
|
# Now check again that pmi works even when not set to
|
|
# something that's at the beginning of the object
|
|
|
|
send_gdb "print pmi\n"
|
|
gdb_expect {
|
|
-re "\\$\[0-9\]* = \\(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
|
|
|