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jeremybenn |
# Tests for anonymous union support.
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# Copyright 1998, 1999, 2003, 2004, 2007, 2008, 2009, 2010
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# 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 3 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, see .
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# Written by Satish Pai 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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set prms_id 0
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set bug_id 0
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if { [skip_cplus_tests] } { continue }
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set testfile "anon-union"
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set srcfile ${testfile}.cc
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
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perror "Testcase compile failed" 0
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continue
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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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gdb_load ${binfile}
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if ![runto_main] then {
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perror "couldn't run to breakpoint"
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continue
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}
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send_gdb "set width 0\n"
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gdb_expect -re "$gdb_prompt $"
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#send_gdb "ptype foo\n"
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#gdb_expect {
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# -re "\r\n$gdb_prompt $" {
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# pass "ptype foo"
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# }
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# -re ".*$gdb_prompt $" { fail "ptype foo" }
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# timeout { fail "(timeout) ptype foo" }
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#}
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#send_gdb "ptype bar\n"
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#gdb_expect {
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# -re "\r\n$gdb_prompt $" {
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# pass "ptype foo"
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# }
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# -re ".*$gdb_prompt $" { fail "ptype foo" }
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# timeout { fail "(timeout) ptype foo" }
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#}
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# NOTE: Add -- ptype foo.x, etc. when things are working
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#Initialize foo
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send_gdb "next\n"
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gdb_expect {
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-re "40\[ \t\]*foo.paper = 33;\r\n$gdb_prompt $" {
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pass "next 1"
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}
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-re ".*$gdb_prompt $" { fail "next 1" }
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timeout { fail "(timeout) next 1" }
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}
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# Print out the big anon union.
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send_gdb "print foo\n"
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gdb_expect {
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-re "\\$\[0-9\]* = \{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 $" {
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pass "print foo 1"
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}
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-re ".*$gdb_prompt $" { fail "print foo 1" }
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timeout { fail "(timeout) print foo 1" }
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}
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# Step over assignment to member
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send_gdb "next\n"
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gdb_expect {
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-re "41\[ \t\]*foo.pebble = 44;\r\n$gdb_prompt $" {
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pass "next 1"
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}
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-re ".*$gdb_prompt $" { fail "next 1" }
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timeout { fail "(timeout) next 1" }
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}
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# Now print out anon union again
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send_gdb "print foo\n"
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gdb_expect {
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-re "\\$\[0-9\]* = \{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 $" {
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pass "print foo 2"
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}
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-re ".*$gdb_prompt $" { fail "print foo 2" }
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timeout { fail "(timeout) print foo 2" }
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}
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# Modify the member just set
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send_gdb "set var foo.cloth = 35\n"
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gdb_expect {
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-re "\r\n$gdb_prompt $" {
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pass "set var foo.cloth"
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}
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timeout { fail "(timeout) set var foo.cloth" }
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}
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# Now print out anon union again to see if the right member was set
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send_gdb "print foo\n"
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gdb_expect {
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-re "\\$\[0-9\]* = \{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 $" {
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pass "print foo 3"
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}
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-re ".*$gdb_prompt $" { fail "print foo 3" }
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timeout { fail "(timeout) print foo 3" }
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}
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# Step over next assignment to member
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send_gdb "next\n"
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gdb_expect {
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-re "42\[ \t\]*foo.mux = 55;\r\n$gdb_prompt $" {
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pass "next 2"
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}
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-re ".*$gdb_prompt $" { fail "next 2" }
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timeout { fail "(timeout) next 2" }
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}
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# Now print out anon union again
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send_gdb "print foo\n"
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gdb_expect {
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-re "\\$\[0-9\]* = \{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 $" {
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pass "print foo 4"
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}
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-re ".*$gdb_prompt $" { fail "print foo 4" }
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timeout { fail "(timeout) print foo 4" }
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}
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# Modify the member just set
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send_gdb "set var foo.pebble = 45\n"
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gdb_expect {
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-re "\r\n$gdb_prompt $" {
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pass "set var foo.pebble"
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}
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timeout { fail "(timeout) set var foo.pebble" }
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}
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# Now print out anon union again to see if the right member was set
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send_gdb "print foo\n"
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gdb_expect {
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-re "\\$\[0-9\]* = \{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 $" {
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pass "print foo 5"
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}
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-re ".*$gdb_prompt $" { fail "print foo 5" }
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timeout { fail "(timeout) print foo 5" }
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}
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# Modify another member at a different level
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send_gdb "set var foo.qux = 46\n"
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gdb_expect {
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-re "\r\n$gdb_prompt $" {
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pass "set var foo.qux"
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}
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timeout { fail "(timeout) set var foo.qux" }
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}
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# Now print out anon union again to see if the right member was set
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send_gdb "print foo\n"
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gdb_expect {
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-re "\\$\[0-9\]* = \{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 $" {
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pass "print foo 6"
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}
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-re ".*$gdb_prompt $" { fail "print foo 6" }
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timeout { fail "(timeout) print foo 6" }
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}
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# Modify the member at another level, but not the first one in the union
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send_gdb "set var foo.mux = 47\n"
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gdb_expect {
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-re "\r\n$gdb_prompt $" {
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pass "set var foo.mux"
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}
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timeout { fail "(timeout) set var foo.mux" }
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}
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# Now print out anon union again to see if things worked
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send_gdb "print foo\n"
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gdb_expect {
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-re "\\$\[0-9\]* = \{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 $" {
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pass "print foo 7"
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}
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-re ".*$gdb_prompt $" { fail "print foo 7" }
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timeout { fail "(timeout) print foo 7" }
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}
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# Modify a member of a struct in an anon union
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send_gdb "set var foo.x.rock = 48\n"
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gdb_expect {
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-re "\r\n$gdb_prompt $" {
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pass "set var foo.x.rock"
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}
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timeout { fail "(timeout) set var foo.x.rock" }
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}
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# Now print out anon union again to see if things worked
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send_gdb "print foo\n"
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gdb_expect {
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-re "\\$\[0-9\]* = \{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 $" {
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pass "print foo 8"
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}
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-re ".*$gdb_prompt $" { fail "print foo 8" }
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timeout { fail "(timeout) print foo 8" }
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}
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# Modify a member of a struct in an anon union, but something
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# that doesn't alias to some other union member
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send_gdb "set var foo.x.rock2 = 49\n"
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gdb_expect {
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| 241 |
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-re "\r\n$gdb_prompt $" {
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| 242 |
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pass "set var foo.x.rock2"
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}
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timeout { fail "(timeout) set var foo.x.rock2" }
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| 245 |
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}
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| 246 |
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| 247 |
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# Now print out anon union again to see if things worked
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| 248 |
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send_gdb "print foo\n"
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gdb_expect {
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| 250 |
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-re "\\$\[0-9\]* = \{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 $" {
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pass "print foo 9"
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}
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| 253 |
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-re ".*$gdb_prompt $" { fail "print foo 9" }
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| 254 |
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timeout { fail "(timeout) print foo 9" }
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| 255 |
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}
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| 256 |
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| 257 |
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| 258 |
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# Step over next four assignments
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| 259 |
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send_gdb "next 4\n"
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| 260 |
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gdb_expect {
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| 261 |
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-re "53\[ \t\]*w = 45;\r\n$gdb_prompt $" {
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| 262 |
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pass "next 3"
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| 263 |
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}
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| 264 |
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-re ".*$gdb_prompt $" { fail "next 3" }
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| 265 |
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timeout { fail "(timeout) next 3" }
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| 266 |
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}
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| 267 |
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| 268 |
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# Tests for anon unions that are not members of a class or struct
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| 269 |
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| 270 |
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send_gdb "print w\n"
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| 271 |
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gdb_expect {
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| 272 |
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-re "\\$\[0-9\]* = 0\r\n$gdb_prompt $" {
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| 273 |
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pass "print w 1"
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| 274 |
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}
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| 275 |
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-re ".*$gdb_prompt $" { fail "print w 1" }
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| 276 |
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timeout { fail "(timeout) print w 1" }
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| 277 |
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}
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| 278 |
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| 279 |
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send_gdb "print z\n"
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| 280 |
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gdb_expect {
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| 281 |
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-re "\\$\[0-9\]* = 0\r\n$gdb_prompt $" {
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| 282 |
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pass "print z 1"
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| 283 |
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}
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| 284 |
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-re ".*$gdb_prompt $" { fail "print z 1" }
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| 285 |
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timeout { fail "(timeout) print z 1" }
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| 286 |
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}
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| 287 |
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| 288 |
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# Step over next assignment to w
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| 289 |
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send_gdb "next\n"
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| 290 |
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gdb_expect {
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| 291 |
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-re "55\[ \t\]*int j = 0;\r\n$gdb_prompt $" {
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| 292 |
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pass "next 4"
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| 293 |
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}
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| 294 |
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-re ".*$gdb_prompt $" { fail "next 4" }
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| 295 |
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timeout { fail "(timeout) next 4" }
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| 296 |
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}
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| 297 |
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| 298 |
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# See if the change in value is noticed
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| 299 |
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send_gdb "print w\n"
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| 300 |
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gdb_expect {
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| 301 |
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-re "\\$\[0-9\]* = 45\r\n$gdb_prompt $" {
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| 302 |
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pass "print w 2"
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| 303 |
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}
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| 304 |
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-re ".*$gdb_prompt $" { fail "print w 2" }
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| 305 |
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timeout { fail "(timeout) print w 2" }
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| 306 |
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}
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| 307 |
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| 308 |
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# See if z shows the same value
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| 309 |
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send_gdb "print z\n"
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| 310 |
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gdb_expect {
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| 311 |
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-re "\\$\[0-9\]* = 45\r\n$gdb_prompt $" {
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| 312 |
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pass "print z 2"
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| 313 |
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}
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| 314 |
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-re ".*$gdb_prompt $" { fail "print z 2" }
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| 315 |
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timeout { fail "(timeout) print z 2" }
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| 316 |
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}
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| 317 |
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| 318 |
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# Set the anon union member
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| 319 |
|
|
send_gdb "set var z = 27\n"
|
| 320 |
|
|
gdb_expect {
|
| 321 |
|
|
-re "\r\n$gdb_prompt $" {
|
| 322 |
|
|
pass "set var z"
|
| 323 |
|
|
}
|
| 324 |
|
|
timeout { fail "(timeout) set var z" }
|
| 325 |
|
|
}
|
| 326 |
|
|
|
| 327 |
|
|
# See if the change in value is noticed
|
| 328 |
|
|
send_gdb "print w\n"
|
| 329 |
|
|
gdb_expect {
|
| 330 |
|
|
-re "\\$\[0-9\]* = 27\r\n$gdb_prompt $" {
|
| 331 |
|
|
pass "print w 3"
|
| 332 |
|
|
}
|
| 333 |
|
|
-re ".*$gdb_prompt $" { fail "print w 3" }
|
| 334 |
|
|
timeout { fail "(timeout) print w 3" }
|
| 335 |
|
|
}
|
| 336 |
|
|
|
| 337 |
|
|
# See if z shows the same value
|
| 338 |
|
|
send_gdb "print z\n"
|
| 339 |
|
|
gdb_expect {
|
| 340 |
|
|
-re "\\$\[0-9\]* = 27\r\n$gdb_prompt $" {
|
| 341 |
|
|
pass "print z 3"
|
| 342 |
|
|
}
|
| 343 |
|
|
-re ".*$gdb_prompt $" { fail "print z 3" }
|
| 344 |
|
|
timeout { fail "(timeout) print z 3" }
|
| 345 |
|
|
}
|
