# Tests for anonymous union support.
# Copyright 1998, 1999, 2003, 2004 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.
# 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
#
set prms_id 0
set bug_id 0
if { [skip_cplus_tests] } { continue }
set testfile "anon-union"
set srcfile ${testfile}.cc
set binfile ${objdir}/${subdir}/${testfile}
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
perror "Testcase compile failed" 0
continue
}
# Start with a fresh gdb
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
if ![runto_main] then {
perror "couldn't run to breakpoint"
continue
}
send_gdb "set width 0\n"
gdb_expect -re "$gdb_prompt $"
#send_gdb "ptype foo\n"
#gdb_expect {
# -re "\r\n$gdb_prompt $" {
# pass "ptype foo"
# }
# -re ".*$gdb_prompt $" { fail "ptype foo" }
# timeout { fail "(timeout) ptype foo" }
#}
#send_gdb "ptype bar\n"
#gdb_expect {
# -re "\r\n$gdb_prompt $" {
# pass "ptype foo"
# }
# -re ".*$gdb_prompt $" { fail "ptype foo" }
# timeout { fail "(timeout) ptype foo" }
#}
# NOTE: Add -- ptype foo.x, etc. when things are working
#Initialize foo
send_gdb "next\n"
gdb_expect {
-re "40\[ \t\]*foo.paper = 33;\r\n$gdb_prompt $" {
pass "next 1"
}
-re ".*$gdb_prompt $" { fail "next 1" }
timeout { fail "(timeout) next 1" }
}
# Print out the big anon union.
send_gdb "print foo\n"
gdb_expect {
-re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 0, x = \{rock = 0, rock2 = 0\}, \{qux = 0, mux = 0\}, boulder = 0\}, \{paper = 0, cloth = 0\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" {
pass "print foo 1"
}
-re ".*$gdb_prompt $" { fail "print foo 1" }
timeout { fail "(timeout) print foo 1" }
}
# Step over assignment to member
send_gdb "next\n"
gdb_expect {
-re "41\[ \t\]*foo.pebble = 44;\r\n$gdb_prompt $" {
pass "next 1"
}
-re ".*$gdb_prompt $" { fail "next 1" }
timeout { fail "(timeout) next 1" }
}
# Now print out anon union again
send_gdb "print foo\n"
gdb_expect {
-re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 0, x = \{rock = 0, rock2 = 0\}, \{qux = 0, mux = 0\}, boulder = 0\}, \{paper = 33, cloth = 33\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" {
pass "print foo 2"
}
-re ".*$gdb_prompt $" { fail "print foo 2" }
timeout { fail "(timeout) print foo 2" }
}
# Modify the member just set
send_gdb "set var foo.cloth = 35\n"
gdb_expect {
-re "\r\n$gdb_prompt $" {
pass "set var foo.cloth"
}
timeout { fail "(timeout) set var foo.cloth" }
}
# Now print out anon union again to see if the right member was set
send_gdb "print foo\n"
gdb_expect {
-re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 0, x = \{rock = 0, rock2 = 0\}, \{qux = 0, mux = 0\}, boulder = 0\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" {
pass "print foo 3"
}
-re ".*$gdb_prompt $" { fail "print foo 3" }
timeout { fail "(timeout) print foo 3" }
}
# Step over next assignment to member
send_gdb "next\n"
gdb_expect {
-re "42\[ \t\]*foo.mux = 55;\r\n$gdb_prompt $" {
pass "next 2"
}
-re ".*$gdb_prompt $" { fail "next 2" }
timeout { fail "(timeout) next 2" }
}
# Now print out anon union again
send_gdb "print foo\n"
gdb_expect {
-re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 44, x = \{rock = 44, rock2 = 0\}, \{qux = 44, mux = 44\}, boulder = 44\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" {
pass "print foo 4"
}
-re ".*$gdb_prompt $" { fail "print foo 4" }
timeout { fail "(timeout) print foo 4" }
}
# Modify the member just set
send_gdb "set var foo.pebble = 45\n"
gdb_expect {
-re "\r\n$gdb_prompt $" {
pass "set var foo.pebble"
}
timeout { fail "(timeout) set var foo.pebble" }
}
# Now print out anon union again to see if the right member was set
send_gdb "print foo\n"
gdb_expect {
-re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 45, x = \{rock = 45, rock2 = 0\}, \{qux = 45, mux = 45\}, boulder = 45\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" {
pass "print foo 5"
}
-re ".*$gdb_prompt $" { fail "print foo 5" }
timeout { fail "(timeout) print foo 5" }
}
# Modify another member at a different level
send_gdb "set var foo.qux = 46\n"
gdb_expect {
-re "\r\n$gdb_prompt $" {
pass "set var foo.qux"
}
timeout { fail "(timeout) set var foo.qux" }
}
# Now print out anon union again to see if the right member was set
send_gdb "print foo\n"
gdb_expect {
-re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 46, x = \{rock = 46, rock2 = 0\}, \{qux = 46, mux = 46\}, boulder = 46\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" {
pass "print foo 6"
}
-re ".*$gdb_prompt $" { fail "print foo 6" }
timeout { fail "(timeout) print foo 6" }
}
# Modify the member at another level, but not the first one in the union
send_gdb "set var foo.mux = 47\n"
gdb_expect {
-re "\r\n$gdb_prompt $" {
pass "set var foo.mux"
}
timeout { fail "(timeout) set var foo.mux" }
}
# Now print out anon union again to see if things worked
send_gdb "print foo\n"
gdb_expect {
-re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 47, x = \{rock = 47, rock2 = 0\}, \{qux = 47, mux = 47\}, boulder = 47\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" {
pass "print foo 7"
}
-re ".*$gdb_prompt $" { fail "print foo 7" }
timeout { fail "(timeout) print foo 7" }
}
# Modify a member of a struct in an anon union
send_gdb "set var foo.x.rock = 48\n"
gdb_expect {
-re "\r\n$gdb_prompt $" {
pass "set var foo.x.rock"
}
timeout { fail "(timeout) set var foo.x.rock" }
}
# Now print out anon union again to see if things worked
send_gdb "print foo\n"
gdb_expect {
-re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 48, x = \{rock = 48, rock2 = 0\}, \{qux = 48, mux = 48\}, boulder = 48\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" {
pass "print foo 8"
}
-re ".*$gdb_prompt $" { fail "print foo 8" }
timeout { fail "(timeout) print foo 8" }
}
# Modify a member of a struct in an anon union, but something
# that doesn't alias to some other union member
send_gdb "set var foo.x.rock2 = 49\n"
gdb_expect {
-re "\r\n$gdb_prompt $" {
pass "set var foo.x.rock2"
}
timeout { fail "(timeout) set var foo.x.rock2" }
}
# Now print out anon union again to see if things worked
send_gdb "print foo\n"
gdb_expect {
-re "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 48, x = \{rock = 48, rock2 = 49\}, \{qux = 48, mux = 48\}, boulder = 48\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}\r\n$gdb_prompt $" {
pass "print foo 9"
}
-re ".*$gdb_prompt $" { fail "print foo 9" }
timeout { fail "(timeout) print foo 9" }
}
# Step over next four assignments
send_gdb "next 4\n"
gdb_expect {
-re "53\[ \t\]*w = 45;\r\n$gdb_prompt $" {
pass "next 3"
}
-re ".*$gdb_prompt $" { fail "next 3" }
timeout { fail "(timeout) next 3" }
}
# Tests for anon unions that are not members of a class or struct
send_gdb "print w\n"
gdb_expect {
-re "\\$\[0-9\]* = 0\r\n$gdb_prompt $" {
pass "print w 1"
}
-re ".*$gdb_prompt $" { fail "print w 1" }
timeout { fail "(timeout) print w 1" }
}
send_gdb "print z\n"
gdb_expect {
-re "\\$\[0-9\]* = 0\r\n$gdb_prompt $" {
pass "print z 1"
}
-re ".*$gdb_prompt $" { fail "print z 1" }
timeout { fail "(timeout) print z 1" }
}
# Step over next assignment to w
send_gdb "next\n"
gdb_expect {
-re "55\[ \t\]*\}\r\n$gdb_prompt $" {
pass "next 4"
}
-re ".*$gdb_prompt $" { fail "next 4" }
timeout { fail "(timeout) next 4" }
}
# See if the change in value is noticed
send_gdb "print w\n"
gdb_expect {
-re "\\$\[0-9\]* = 45\r\n$gdb_prompt $" {
pass "print w 2"
}
-re ".*$gdb_prompt $" { fail "print w 2" }
timeout { fail "(timeout) print w 2" }
}
# See if z shows the same value
send_gdb "print z\n"
gdb_expect {
-re "\\$\[0-9\]* = 45\r\n$gdb_prompt $" {
pass "print z 2"
}
-re ".*$gdb_prompt $" { fail "print z 2" }
timeout { fail "(timeout) print z 2" }
}
# Set the anon union member
send_gdb "set var z = 27\n"
gdb_expect {
-re "\r\n$gdb_prompt $" {
pass "set var z"
}
timeout { fail "(timeout) set var z" }
}
# See if the change in value is noticed
send_gdb "print w\n"
gdb_expect {
-re "\\$\[0-9\]* = 27\r\n$gdb_prompt $" {
pass "print w 3"
}
-re ".*$gdb_prompt $" { fail "print w 3" }
timeout { fail "(timeout) print w 3" }
}
# See if z shows the same value
send_gdb "print z\n"
gdb_expect {
-re "\\$\[0-9\]* = 27\r\n$gdb_prompt $" {
pass "print z 3"
}
-re ".*$gdb_prompt $" { fail "print z 3" }
timeout { fail "(timeout) print z 3" }
}