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# Tests for anonymous union support.

# Copyright 1998, 1999, 2003, 2004, 2007, 2008, 2009, 2010

# 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 3 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, see .

# Written by Satish Pai  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\[ \t\]*int j = 0;\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" }

}