gdb/testsuite/gdb.mi/mi-var-display.exp - binutils-gdb - Git at Google

 # Copyright 1999-2020 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 <http://www.gnu.org/licenses/>.

 # Test essential Machine interface (MI) operations
 #
 # Verify that, using the MI, we can create, update, delete variables.
 #


 load_lib mi-support.exp
 set MIFLAGS "-i=mi"

 gdb_exit
 if [mi_gdb_start] {
     continue
 }

 standard_testfile var-cmd.c

 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
     untested "failed to compile"
     return -1
 }

 mi_delete_breakpoints
 mi_gdb_reinitialize_dir $srcdir/$subdir
 mi_gdb_load ${binfile}

 set line_dct_end [gdb_get_line_number "{int a = 0;}"]

 mi_create_breakpoint "$srcfile:$line_dct_end" \
     "break-insert operation" \
     -number 1 -func do_children_tests -file ".*var-cmd.c" \
     -line $line_dct_end

 mi_run_cmd
 mi_expect_stop "breakpoint-hit" "do_children_tests" "" ".*var-cmd.c" \
 	$line_dct_end { "" "disp=\"keep\"" } "run to main"

 # Prevent symbol on the address being printed.
 mi_gdb_test "-gdb-set print symbol off"

 #####       #####
 #               #
 # Display tests #
 #               #
 #####       #####

 # Test: c_variable-6.1
 # Desc: create variable bar
 mi_create_varobj bar bar "create local variable bar"

 # Test: c_variable-6.2
 # Desc: type of variable bar
 mi_gdb_test "-var-info-type bar" \
 	"\\^done,type=\"int\"" \
 	"info type variable bar"

 # Test: c_variable-6.3
 # Desc: format of variable bar
 mi_gdb_test "-var-show-format bar" \
 	"\\^done,format=\"natural\"" \
 	"show format variable bar"

 # Test: c_variable-6.4
 # Desc: value of variable bar
 mi_gdb_test "-var-evaluate-expression bar" \
 	"\\^done,value=\"2121\"" \
 	"eval variable bar"

 # Test: c_variable-6.5
 # Desc: change format of bar to zero-padded hexadecimal
 mi_gdb_test "-var-set-format bar zero-hexadecimal" \
 	"\\^done,format=\"zero-hexadecimal\",value=\"0x0.*849\"" \
 	"set format variable bar in zero-padded hexadecimal"

 # Desc: change format of bar to hex
 mi_gdb_test "-var-set-format bar hexadecimal" \
 	"\\^done,format=\"hexadecimal\",value=\"0x849\"" \
 	"set format variable bar in hex"

 # Test: c_variable-6.6
 # Desc: value of bar with new format
 mi_gdb_test "-var-evaluate-expression bar" \
 	"\\^done,value=\"0x849\"" \
 	"eval variable bar with new format"

 # Test: c_variable-6.7
 # Desc: change value of bar
 mi_gdb_test "-var-assign bar 3" \
 	"\\^done,value=\"0x3\"" \
 	"assing to variable bar"

 mi_gdb_test "-var-set-format bar decimal" \
 	"\\^done,format=\"decimal\",value=\"3\"" \
 	"set format variable bar in decimal"

 mi_gdb_test "-var-evaluate-expression bar" \
 	"\\^done,value=\"3\"" \
 	"eval variable bar with new value"

 mi_gdb_test "-var-delete bar" \
 	"\\^done,ndeleted=\"1\"" \
 	"delete var bar"

 # Test: c_variable-6.11
 # Desc: create variable foo
 mi_create_varobj foo foo "create local variable foo"

 # Test: c_variable-6.12
 # Desc: type of variable foo
 mi_gdb_test "-var-info-type foo" \
 	"\\^done,type=\"int \\*\"" \
 	"info type variable foo"

 # Test: c_variable-6.13
 # Desc: format of variable foo
 mi_gdb_test "-var-show-format foo" \
 	"\\^done,format=\"natural\"" \
 	"show format variable foo in natural"

 # Test: c_variable-6.14
 # Desc: value of variable foo
 mi_gdb_test "-var-evaluate-expression foo" \
 	"\\^done,value=\"$hex\"" \
 	"eval variable foo in natural"

 # Test: c_variable-6.15
 # Desc: change format of var to octal
 mi_gdb_test "-var-set-format foo octal" \
 	"\\^done,format=\"octal\",value=\"$octal\"" \
 	"set format variable foo in octal"

 mi_gdb_test "-var-show-format foo" \
 	"\\^done,format=\"octal\"" \
 	"show format variable foo in octal"

 # Test: c_variable-6.16
 # Desc: value of foo with new format
 mi_gdb_test "-var-evaluate-expression foo" \
 	"\\^done,value=\"\[0-7\]+\"" \
 	"eval variable foo in octal"

 # Test: c_variable-6.17
 # Desc: change value of foo
 mi_gdb_test "-var-assign foo 3" \
 	"\\^done,value=\"03\"" \
 	"assing to variable foo"

 mi_gdb_test "-var-set-format foo decimal" \
 	"\\^done,format=\"decimal\",value=\"3\"" \
 	"set format variable foo decimal"

 # Test: c_variable-6.18
 # Desc: check new value of foo
 mi_gdb_test "-var-evaluate-expression foo" \
 	"\\^done,value=\"3\"" \
 	"eval variable foo in decimal"


 # Test: c_variable-6.19
 # Desc: check optional format parameter of var-evaluate-expression
 #       and check that current format is not changed
 mi_gdb_test "-var-evaluate-expression -f hex foo" \
 	"\\^done,value=\"0x3\"" \
 	"eval variable foo in hex"

 mi_gdb_test "-var-show-format foo" \
 	"\\^done,format=\"decimal\"" \
 	"show format variable foo after eval in hex"

 mi_gdb_test "-var-evaluate-expression -f octal foo" \
 	"\\^done,value=\"03\"" \
 	"eval variable -f octal foo"

 mi_gdb_test "-var-show-format foo" \
 	"\\^done,format=\"decimal\"" \
 	"show format variable foo after eval in octal"

 mi_gdb_test "-var-evaluate-expression -f decimal foo" \
 	"\\^done,value=\"3\"" \
 	"eval variable -f decimal foo"

 mi_gdb_test "-var-show-format foo" \
 	"\\^done,format=\"decimal\"" \
 	"show format variable foo after eval in decimal"

 mi_gdb_test "-var-evaluate-expression -f nat foo" \
 	"\\^done,value=\"0x3\"" \
 	"eval variable -f nat foo"

 mi_gdb_test "-var-show-format foo" \
 	"\\^done,format=\"decimal\"" \
 	"show format variable foo after eval in natural"

 mi_gdb_test "-var-evaluate-expression -f bin foo" \
 	"\\^done,value=\"11\"" \
 	"eval variable foo in binary"

 mi_gdb_test "-var-show-format foo" \
 	"\\^done,format=\"decimal\"" \
 	"show format variable foo after eval in binary"

 mi_gdb_test "-var-delete foo" \
 	"\\^done,ndeleted=\"1\"" \
 	"delete var foo"

 # Test: c_variable-6.21
 # Desc: create variable weird and children
 mi_create_varobj weird weird "create local variable weird"

 mi_list_varobj_children weird {
         {weird.integer integer 0 int}
         {weird.character character 0 char}
         {weird.char_ptr char_ptr 1 "char \\*"}
         {weird.long_int long_int 0 "long"}
         {weird.int_ptr_ptr int_ptr_ptr 1 "int \\*\\*"}
         {weird.long_array long_array 10 "long \\[10\\]"}
         {weird.func_ptr func_ptr 0 "void \\(\\*\\)\\((void)?\\)"}
         {weird.func_ptr_struct func_ptr_struct 0 \
                  "struct _struct_decl \\(\\*\\)(\\(int, char \\*, long\\))?"}
         {weird.func_ptr_ptr func_ptr_ptr 0 \
                  "struct _struct_decl \\*\\(\\*\\)\\((int, char \\*, long)?\\)"}
         {weird.u1 u1 4 "union \\{\\.\\.\\.\\}"}
         {weird.s2 s2 4 "struct \\{\\.\\.\\.\\}"}
 } "get children local variable weird"


 # Test: c_variable-6.23
 # Desc: change format of weird.func_ptr and weird.func_ptr_ptr
 mi_gdb_test "-var-set-format weird.func_ptr hexadecimal" \
 	"\\^done,format=\"hexadecimal\",value=\"$hex\"" \
 	"set format variable weird.func_ptr in hex (1)"

 mi_gdb_test "-var-show-format weird.func_ptr" \
 	"\\^done,format=\"hexadecimal\"" \
 	"show format variable weird.func_ptr (hex)"

 mi_gdb_test "-var-set-format weird.func_ptr_ptr hexadecimal" \
 	"\\^done,format=\"hexadecimal\",value=\"$hex\"" \
 	"set format variable weird.func_ptr_ptr in hex"

 mi_gdb_test "-var-show-format weird.func_ptr_ptr" \
 	"\\^done,format=\"hexadecimal\"" \
 	"show format variable weird.func_ptr_ptr (hex)"

 mi_gdb_test "-var-set-format weird.func_ptr zero-hexadecimal" \
 	"\\^done,format=\"zero-hexadecimal\",value=\"$hex\"" \
 	"set format variable weird.func_ptr in zero-padded hex"

 mi_gdb_test "-var-show-format weird.func_ptr" \
 	"\\^done,format=\"zero-hexadecimal\"" \
 	"show format variable weird.func_ptr (zhex)"

 mi_gdb_test "-var-set-format weird.func_ptr_ptr zero-hexadecimal" \
 	"\\^done,format=\"zero-hexadecimal\",value=\"$hex\"" \
 	"set format variable weird.func_ptr_ptr in zero-padded hex"

 mi_gdb_test "-var-show-format weird.func_ptr_ptr" \
 	"\\^done,format=\"zero-hexadecimal\"" \
 	"show format variable weird.func_ptr_ptr (zhex)"

 # Test: c_variable-6.24
 # Desc: format of weird and children
 mi_gdb_test "-var-set-format weird natural" \
 	"\\^done,format=\"natural\",value=\"$hex\"" \
 	"set format variable weird"

 mi_gdb_test "-var-set-format weird.integer natural" \
 	"\\^done,format=\"natural\",value=\"123\"" \
 	"set format variable weird.integer"

 mi_gdb_test "-var-set-format weird.character natural" \
 	"\\^done,format=\"natural\",value=\"0 '\\\\\\\\000'\"" \
 	"set format variable weird.character"

 mi_gdb_test "-var-set-format weird.char_ptr natural" \
 	"\\^done,format=\"natural\",value=\"$hex \\\\\"hello\\\\\"\"" \
 	"set format variable weird.char_ptr"

 mi_gdb_test "-var-set-format weird.long_int natural" \
 	"\\^done,format=\"natural\",value=\"0\"" \
 	"set format variable weird.long_int"

 mi_gdb_test "-var-set-format weird.int_ptr_ptr natural" \
 	"\\^done,format=\"natural\",value=\"$hex\"" \
 	"set format variable weird.int_ptr_ptr"

 mi_gdb_test "-var-set-format weird.long_array natural" \
 	"\\^done,format=\"natural\",value=\"\\\[10\\\]\"" \
 	"set format variable weird.long_array"

 mi_gdb_test "-var-set-format weird.func_ptr hexadecimal" \
 	"\\^done,format=\"hexadecimal\",value=\"$hex\"" \
 	"set format variable weird.func_ptr in hex (2)"

 mi_gdb_test "-var-set-format weird.func_ptr_struct hexadecimal" \
 	"\\^done,format=\"hexadecimal\",value=\"$hex\"" \
 	"set format variable weird.func_ptr_struct"

 mi_gdb_test "-var-set-format weird.func_ptr_ptr natural" \
 	"\\^done,format=\"natural\",value=\"$hex <nothing2>\"" \
 	"set format variable weird.func_ptr_ptr in natural"

 mi_gdb_test "-var-set-format weird.u1 natural" \
 	"\\^done,format=\"natural\",value=\"\{...\}\"" \
 	"set format variable weird.u1"

 mi_gdb_test "-var-set-format weird.s2 natural" \
 	"\\^done,format=\"natural\",value=\"\{...\}\"" \
 	"set format variable weird.s2"

 # Test: c_variable-6.25
 # Desc: value of weird and children
 #gdbtk_test c_variable-6.25 {value of weird and children} {
 #  set values {}
 #  foreach v [lsort [array names var]] f [list x "" "" x x x x d d d d d] {
 #    lappend values [value $v $f]
 #  }

 #  set values
 #} {ok ok ok ok ok ok ok ok weird.long_array ok weird.s2 weird.u1}

 # Test: c_variable-6.26
 # Desc: change format of weird and children to octal
 #gdbtk_test c_variable-6.26 {change format of weird and children to octal} {
 #  set formats {}
 #  foreach v [lsort [array names var]] {
 #    $var($v) format octal
 #    lappend formats [$var($v) format]
 #  }

 #  set formats
 #} {octal octal octal octal octal octal octal octal octal octal octal octal}

 # Test: c_variable-6.27
 # Desc: value of weird and children with new format
 #gdbtk_test c_variable-6.27 {value of foo with new format} {
 #  set values {}
 #  foreach v [lsort [array names var]] {
 #    lappend values [value $v o]
 #  }

 #  set values
 #} {ok ok ok ok ok ok ok ok weird.long_array ok weird.s2 weird.u1}

 # Test: c_variable-6.30
 # Desc: create more children of weird
 #gdbtk_test c_variable-6.30 {create more children of weird} {
 #  foreach v [array names var] {
 #    get_children $v
 #  }

 #  # Do it twice to get more children
 #  foreach v [array names var] {
 #    get_children $v
 #  }

 #  lsort [array names var]
 #} {weird weird.char_ptr weird.character weird.func_ptr weird.func_ptr_ptr weird.func_ptr_struct weird.int_ptr_ptr weird.int_ptr_ptr.*int_ptr_ptr weird.int_ptr_ptr.*int_ptr_ptr.**int_ptr_ptr weird.integer weird.long_array weird.long_array.0 weird.long_array.1 weird.long_array.2 weird.long_array.3 weird.long_array.4 weird.long_array.5 weird.long_array.6 weird.long_array.7 weird.long_array.8 weird.long_array.9 weird.long_int weird.s2 weird.s2.g weird.s2.h weird.s2.i weird.s2.i.0 weird.s2.i.1 weird.s2.i.2 weird.s2.i.3 weird.s2.i.4 weird.s2.i.5 weird.s2.i.6 weird.s2.i.7 weird.s2.i.8 weird.s2.i.9 weird.s2.u2 weird.s2.u2.f weird.s2.u2.u1s1 weird.s2.u2.u1s2 weird.u1 weird.u1.a weird.u1.b weird.u1.c weird.u1.d}

 # Test: c_variable-6.31
 # Desc: check that all children of weird change
 #       Ok, obviously things like weird.s2 and weird.u1 will not change!
 #gdbtk_test *c_variable-6.31 {check that all children of weird change (ops, we are now reporting array names as changed in this case - seems harmless though)} {
 #  $var(weird) value 0x2121
 #  check_update
 #} {{weird.integer weird.character weird.char_ptr weird.long_int weird.int_ptr_ptr weird.int_ptr_ptr.*int_ptr_ptr weird.int_ptr_ptr.*int_ptr_ptr.**int_ptr_ptr weird.long_array.0 weird.long_array.1 weird.long_array.2 weird.long_array.3 weird.long_array.4 weird.long_array.5 weird.long_array.6 weird.long_array.7 weird.long_array.8 weird.long_array.9 weird.func_ptr weird.func_ptr_struct weird.func_ptr_ptr weird.u1.a weird.u1.b weird.u1.c weird.u1.d weird.s2.u2.f weird.s2.g weird.s2.h weird.s2.i.0 weird.s2.i.1 weird.s2.i.2 weird.s2.i.3 weird.s2.i.4 weird.s2.i.5 weird.s2.i.6 weird.s2.i.7 weird.s2.i.8 weird.s2.i.9} {weird.s2.i weird.s2.u2 weird weird.s2.u2.u1s1 weird.s2.u2.u1s2 weird.s2 weird.long_array weird.u1} {}}

 mi_gdb_test "-var-delete weird" \
 	"\\^done,ndeleted=\"12\"" \
 	"delete var weird"


 #####               #####
 #                       #
 # Special Display Tests #
 #                       #
 #####               #####

 # Stop at the end of "do_special_tests"

 set line_dst_incr_a_2 [gdb_get_line_number "incr_a(2);"]

 mi_create_breakpoint "$line_dst_incr_a_2" \
     "break-insert operation 2" \
     -number 2 -func do_special_tests -file ".*var-cmd.c" \
     -line $line_dst_incr_a_2

 mi_execute_to "exec-continue" "breakpoint-hit" "do_special_tests" "" \
     ".*var-cmd.c" $line_dst_incr_a_2 { "" "disp=\"keep\"" } \
     "continue to do_special_tests"

 # Test: c_variable-7.10
 # Desc: create union u
 mi_create_varobj u u "create local variable u"

 # Test: c_variable-7.11
 # Desc: value of u
 mi_gdb_test "-var-evaluate-expression u" \
 	"\\^done,value=\"\{\\.\\.\\.\}\"" \
 	"eval variable u"

 # Test: c_variable-7.12
 # Desc: type of u
 mi_gdb_test "-var-info-type u" \
 	"\\^done,type=\"union named_union\"" \
 	"info type variable u"

 # Test: c_variable-7.13
 # Desc: is u editable
 mi_gdb_test "-var-show-attributes u" \
 	"\\^done,attr=\"noneditable\"" \
 	"is u editable"

 # Test: c_variable-7.14
 # Desc: number of children of u
 mi_gdb_test "-var-info-num-children u" \
 	"\\^done,numchild=\"2\"" \
 	"get number of children of u"

 # Test: c_variable-7.15
 # Desc: children of u
 mi_list_varobj_children u {
         {u.integer integer 0 int}
         {u.char_ptr char_ptr 1 {char \*}}
 } "get children of u"

 # Test: c_variable-7.20
 # Desc: create anonu
 mi_create_varobj anonu anonu "create local variable anonu"

 # Test: c_variable-7.21
 # Desc: value of anonu
 mi_gdb_test "-var-evaluate-expression anonu" \
 	"\\^done,value=\"\{\\.\\.\\.\}\"" \
 	"eval variable anonu"

 # Test: c_variable-7.22
 # Desc: type of anonu
 mi_gdb_test "-var-info-type anonu" \
 	"\\^done,type=\"union \{\\.\\.\\.\}\"" \
 	"info type variable anonu"

 # Test: c_variable-7.23
 # Desc: is anonu editable
 mi_gdb_test "-var-show-attributes anonu" \
 	"\\^done,attr=\"noneditable\"" \
 	"is anonu editable"

 # Test: c_variable-7.24
 # Desc: number of children of anonu
 mi_gdb_test "-var-info-num-children anonu" \
 	"\\^done,numchild=\"3\"" \
 	"get number of children of anonu"

 # Test: c_variable-7.25
 # Desc: children of anonu
 mi_list_varobj_children "anonu" {
         {anonu.a a 0 int}
         {anonu.b b 0 char}
         {anonu.c c 0 "long"}
 } "get children of anonu"

 # Test: c_variable-7.30
 # Desc: create struct s
 mi_create_varobj s s "create local variable s"


 # Test: c_variable-7.31
 # Desc: value of s
 mi_gdb_test "-var-evaluate-expression s" \
 	"\\^done,value=\"\{\\.\\.\\.\}\"" \
 	"eval variable s"

 # Test: c_variable-7.32
 # Desc: type of s
 mi_gdb_test "-var-info-type s" \
 	"\\^done,type=\"struct _simple_struct\"" \
 	"info type variable s"

 # Test: c_variable-7.33
 # Desc: is s editable
 mi_gdb_test "-var-show-attributes s" \
 	"\\^done,attr=\"noneditable\"" \
 	"is s editable"

 # Test: c_variable-7.34
 # Desc: number of children of s
 mi_gdb_test "-var-info-num-children s" \
 	"\\^done,numchild=\"6\"" \
 	"get number of children of s"

 # Test: c_variable-7.35
 # Desc: children of s
 mi_list_varobj_children s {
         {s.integer integer 0 int}
         {s.unsigned_integer unsigned_integer 0 "unsigned int"}
         {s.character character 0 char}
         {s.signed_character signed_character 0 "signed char"}
         {s.char_ptr char_ptr 1 {char \*}}
         {s.array_of_10 array_of_10 10 {int \[10\]}}
 } "get children of s"
 #} {integer unsigned_integer character signed_character char_ptr array_of_10}

 # Test: c_variable-7.40
 # Desc: create anons
 mi_create_varobj anons anons "create local variable anons"

 # Test: c_variable-7.41
 # Desc: value of anons
 mi_gdb_test "-var-evaluate-expression anons" \
 	"\\^done,value=\"\{\\.\\.\\.\}\"" \
 	"eval variable anons"

 # Test: c_variable-7.42
 # Desc: type of anons
 mi_gdb_test "-var-info-type anons" \
 	"\\^done,type=\"struct \{\\.\\.\\.\}\"" \
 	"info type variable anons"

 # Test: c_variable-7.43
 # Desc: is anons editable
 mi_gdb_test "-var-show-attributes anons" \
 	"\\^done,attr=\"noneditable\"" \
 	"is anons editable"

 # Test: c_variable-7.44
 # Desc: number of children of anons
 mi_gdb_test "-var-info-num-children anons" \
 	"\\^done,numchild=\"3\"" \
 	"get number of children of anons"

 # Test: c_variable-7.45
 # Desc: children of anons
 mi_list_varobj_children anons {
         {anons.a a 0 int}
         {anons.b b 0 char}
         {anons.c c 0 "long"}
 } "get children of anons"

 # Test: c_variable-7.50
 # Desc: create enum e
 mi_create_varobj e e "create local variable e"

 # Test: c_variable-7.51
 # Desc: value of e
 mi_gdb_test "-var-evaluate-expression e" \
 	"\\^done,value=\"bar\"" \
 	"eval variable e"

 # Test: c_variable-7.52
 # Desc: type of e
 mi_gdb_test "-var-info-type e" \
 	"\\^done,type=\"enum foo\"" \
 	"info type variable e"

 # Test: c_variable-7.53
 # Desc: is e editable
 mi_gdb_test "-var-show-attributes e" \
 	"\\^done,attr=\"editable\"" \
 	"is e editable"

 # Test: c_variable-7.54
 # Desc: number of children of e
 mi_gdb_test "-var-info-num-children e" \
 	"\\^done,numchild=\"0\"" \
 	"get number of children of e"

 # Test: c_variable-7.55
 # Desc: children of e
 mi_gdb_test "-var-list-children e" \
 	"\\^done,numchild=\"0\",has_more=\"0\"" \
 	"get children of e"

 # Test: c_variable-7.60
 # Desc: create anone
 mi_create_varobj anone anone "create local variable anone"

 # Test: c_variable-7.61
 # Desc: value of anone
 mi_gdb_test "-var-evaluate-expression anone" \
 	"\\^done,value=\"A\"" \
 	"eval variable anone"

 # Test: c_variable-7.70
 # Desc: create anone
 mi_gdb_test "-var-create anone * anone" \
 	"\\^error,msg=\"Duplicate variable object name\"" \
 	"create duplicate local variable anone"


 # Test: c_variable-7.72
 # Desc: type of anone
 mi_gdb_test "-var-info-type anone" \
 	"\\^done,type=\"enum \{\\.\\.\\.\}\"" \
 	"info type variable anone"


 # Test: c_variable-7.73
 # Desc: is anone editable
 mi_gdb_test "-var-show-attributes anone" \
 	"\\^done,attr=\"editable\"" \
 	"is anone editable"

 # Test: c_variable-7.74
 # Desc: number of children of anone
 mi_gdb_test "-var-info-num-children anone" \
 	"\\^done,numchild=\"0\"" \
 	"get number of children of anone"

 # Test: c_variable-7.75
 # Desc: children of anone
 mi_gdb_test "-var-list-children anone" \
 	"\\^done,numchild=\"0\",has_more=\"0\"" \
 	"get children of anone"


 # Record fp
 if ![mi_gdb_test "p/x \$fp" ".*($hex).*\\^done" "print FP register"] {
     set fp $expect_out(3,string)
 }

 mi_continue_to "incr_a"

 # Test: c_variable-7.81
 # Desc: Create variables in different scopes
 mi_gdb_test "-var-create a1 * a" \
 	"\\^done,name=\"a1\",numchild=\"0\",value=\".*\",type=\"char\".*" \
 	"create local variable a1"

 if { [info exists fp] } {
     mi_gdb_test "-var-create a2 $fp a" \
 	"\\^done,name=\"a2\",numchild=\"0\",value=\".*\",type=\"int\".*" \
 	"create variable a2 in different scope"
 } else {
     untested "create variable a2 in different scope"
 }

 #gdbtk_test c_variable-7.81 {create variables in different scopes} {
 #  set a1 [gdb_variable create -expr a]
 #  set a2 [gdb_variable create -expr a -frame $fp]

 #  set vals {}
 #  lappend vals [$a1 value]
 #  lappend vals [$a2 value]
 #  set vals
 #} {2 1}


 mi_gdb_exit
 return 0
	# Copyright 1999-2020 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 <http://www.gnu.org/licenses/>.

	# Test essential Machine interface (MI) operations
	#
	# Verify that, using the MI, we can create, update, delete variables.
	#


	load_lib mi-support.exp
	set MIFLAGS "-i=mi"

	gdb_exit
	if [mi_gdb_start] {
	continue
	}

	standard_testfile var-cmd.c

	if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
	untested "failed to compile"
	return -1
	}

	mi_delete_breakpoints
	mi_gdb_reinitialize_dir $srcdir/$subdir
	mi_gdb_load ${binfile}

	set line_dct_end [gdb_get_line_number "{int a = 0;}"]

	mi_create_breakpoint "$srcfile:$line_dct_end" \
	"break-insert operation" \
	-number 1 -func do_children_tests -file ".*var-cmd.c" \
	-line $line_dct_end

	mi_run_cmd
	mi_expect_stop "breakpoint-hit" "do_children_tests" "" ".*var-cmd.c" \
	$line_dct_end { "" "disp=\"keep\"" } "run to main"

	# Prevent symbol on the address being printed.
	mi_gdb_test "-gdb-set print symbol off"

	##### #####
	# #
	# Display tests #
	# #
	##### #####

	# Test: c_variable-6.1
	# Desc: create variable bar
	mi_create_varobj bar bar "create local variable bar"

	# Test: c_variable-6.2
	# Desc: type of variable bar
	mi_gdb_test "-var-info-type bar" \
	"\\^done,type=\"int\"" \
	"info type variable bar"

	# Test: c_variable-6.3
	# Desc: format of variable bar
	mi_gdb_test "-var-show-format bar" \
	"\\^done,format=\"natural\"" \
	"show format variable bar"

	# Test: c_variable-6.4
	# Desc: value of variable bar
	mi_gdb_test "-var-evaluate-expression bar" \
	"\\^done,value=\"2121\"" \
	"eval variable bar"

	# Test: c_variable-6.5
	# Desc: change format of bar to zero-padded hexadecimal
	mi_gdb_test "-var-set-format bar zero-hexadecimal" \
	"\\^done,format=\"zero-hexadecimal\",value=\"0x0.*849\"" \
	"set format variable bar in zero-padded hexadecimal"

	# Desc: change format of bar to hex
	mi_gdb_test "-var-set-format bar hexadecimal" \
	"\\^done,format=\"hexadecimal\",value=\"0x849\"" \
	"set format variable bar in hex"

	# Test: c_variable-6.6
	# Desc: value of bar with new format
	mi_gdb_test "-var-evaluate-expression bar" \
	"\\^done,value=\"0x849\"" \
	"eval variable bar with new format"

	# Test: c_variable-6.7
	# Desc: change value of bar
	mi_gdb_test "-var-assign bar 3" \
	"\\^done,value=\"0x3\"" \
	"assing to variable bar"

	mi_gdb_test "-var-set-format bar decimal" \
	"\\^done,format=\"decimal\",value=\"3\"" \
	"set format variable bar in decimal"

	mi_gdb_test "-var-evaluate-expression bar" \
	"\\^done,value=\"3\"" \
	"eval variable bar with new value"

	mi_gdb_test "-var-delete bar" \
	"\\^done,ndeleted=\"1\"" \
	"delete var bar"

	# Test: c_variable-6.11
	# Desc: create variable foo
	mi_create_varobj foo foo "create local variable foo"

	# Test: c_variable-6.12
	# Desc: type of variable foo
	mi_gdb_test "-var-info-type foo" \
	"\\^done,type=\"int \\*\"" \
	"info type variable foo"

	# Test: c_variable-6.13
	# Desc: format of variable foo
	mi_gdb_test "-var-show-format foo" \
	"\\^done,format=\"natural\"" \
	"show format variable foo in natural"

	# Test: c_variable-6.14
	# Desc: value of variable foo
	mi_gdb_test "-var-evaluate-expression foo" \
	"\\^done,value=\"$hex\"" \
	"eval variable foo in natural"

	# Test: c_variable-6.15
	# Desc: change format of var to octal
	mi_gdb_test "-var-set-format foo octal" \
	"\\^done,format=\"octal\",value=\"$octal\"" \
	"set format variable foo in octal"

	mi_gdb_test "-var-show-format foo" \
	"\\^done,format=\"octal\"" \
	"show format variable foo in octal"

	# Test: c_variable-6.16
	# Desc: value of foo with new format
	mi_gdb_test "-var-evaluate-expression foo" \
	"\\^done,value=\"\[0-7\]+\"" \
	"eval variable foo in octal"

	# Test: c_variable-6.17
	# Desc: change value of foo
	mi_gdb_test "-var-assign foo 3" \
	"\\^done,value=\"03\"" \
	"assing to variable foo"

	mi_gdb_test "-var-set-format foo decimal" \
	"\\^done,format=\"decimal\",value=\"3\"" \
	"set format variable foo decimal"

	# Test: c_variable-6.18
	# Desc: check new value of foo
	mi_gdb_test "-var-evaluate-expression foo" \
	"\\^done,value=\"3\"" \
	"eval variable foo in decimal"


	# Test: c_variable-6.19
	# Desc: check optional format parameter of var-evaluate-expression
	# and check that current format is not changed
	mi_gdb_test "-var-evaluate-expression -f hex foo" \
	"\\^done,value=\"0x3\"" \
	"eval variable foo in hex"

	mi_gdb_test "-var-show-format foo" \
	"\\^done,format=\"decimal\"" \
	"show format variable foo after eval in hex"

	mi_gdb_test "-var-evaluate-expression -f octal foo" \
	"\\^done,value=\"03\"" \
	"eval variable -f octal foo"

	mi_gdb_test "-var-show-format foo" \
	"\\^done,format=\"decimal\"" \
	"show format variable foo after eval in octal"

	mi_gdb_test "-var-evaluate-expression -f decimal foo" \
	"\\^done,value=\"3\"" \
	"eval variable -f decimal foo"

	mi_gdb_test "-var-show-format foo" \
	"\\^done,format=\"decimal\"" \
	"show format variable foo after eval in decimal"

	mi_gdb_test "-var-evaluate-expression -f nat foo" \
	"\\^done,value=\"0x3\"" \
	"eval variable -f nat foo"

	mi_gdb_test "-var-show-format foo" \
	"\\^done,format=\"decimal\"" \
	"show format variable foo after eval in natural"

	mi_gdb_test "-var-evaluate-expression -f bin foo" \
	"\\^done,value=\"11\"" \
	"eval variable foo in binary"

	mi_gdb_test "-var-show-format foo" \
	"\\^done,format=\"decimal\"" \
	"show format variable foo after eval in binary"

	mi_gdb_test "-var-delete foo" \
	"\\^done,ndeleted=\"1\"" \
	"delete var foo"

	# Test: c_variable-6.21
	# Desc: create variable weird and children
	mi_create_varobj weird weird "create local variable weird"

	mi_list_varobj_children weird {
	{weird.integer integer 0 int}
	{weird.character character 0 char}
	{weird.char_ptr char_ptr 1 "char \\*"}
	{weird.long_int long_int 0 "long"}
	{weird.int_ptr_ptr int_ptr_ptr 1 "int \\\\"}
	{weird.long_array long_array 10 "long \\[10\\]"}
	{weird.func_ptr func_ptr 0 "void \\(\\*\\)\\((void)?\\)"}
	{weird.func_ptr_struct func_ptr_struct 0 \
	"struct _struct_decl \\(\\\\)(\\(int, char \\, long\\))?"}
	{weird.func_ptr_ptr func_ptr_ptr 0 \
	"struct _struct_decl \\\\(\\\\)\\((int, char \\*, long)?\\)"}
	{weird.u1 u1 4 "union \\{\\.\\.\\.\\}"}
	{weird.s2 s2 4 "struct \\{\\.\\.\\.\\}"}
	} "get children local variable weird"


	# Test: c_variable-6.23
	# Desc: change format of weird.func_ptr and weird.func_ptr_ptr
	mi_gdb_test "-var-set-format weird.func_ptr hexadecimal" \
	"\\^done,format=\"hexadecimal\",value=\"$hex\"" \
	"set format variable weird.func_ptr in hex (1)"

	mi_gdb_test "-var-show-format weird.func_ptr" \
	"\\^done,format=\"hexadecimal\"" \
	"show format variable weird.func_ptr (hex)"

	mi_gdb_test "-var-set-format weird.func_ptr_ptr hexadecimal" \
	"\\^done,format=\"hexadecimal\",value=\"$hex\"" \
	"set format variable weird.func_ptr_ptr in hex"

	mi_gdb_test "-var-show-format weird.func_ptr_ptr" \
	"\\^done,format=\"hexadecimal\"" \
	"show format variable weird.func_ptr_ptr (hex)"

	mi_gdb_test "-var-set-format weird.func_ptr zero-hexadecimal" \
	"\\^done,format=\"zero-hexadecimal\",value=\"$hex\"" \
	"set format variable weird.func_ptr in zero-padded hex"

	mi_gdb_test "-var-show-format weird.func_ptr" \
	"\\^done,format=\"zero-hexadecimal\"" \
	"show format variable weird.func_ptr (zhex)"

	mi_gdb_test "-var-set-format weird.func_ptr_ptr zero-hexadecimal" \
	"\\^done,format=\"zero-hexadecimal\",value=\"$hex\"" \
	"set format variable weird.func_ptr_ptr in zero-padded hex"

	mi_gdb_test "-var-show-format weird.func_ptr_ptr" \
	"\\^done,format=\"zero-hexadecimal\"" \
	"show format variable weird.func_ptr_ptr (zhex)"

	# Test: c_variable-6.24
	# Desc: format of weird and children
	mi_gdb_test "-var-set-format weird natural" \
	"\\^done,format=\"natural\",value=\"$hex\"" \
	"set format variable weird"

	mi_gdb_test "-var-set-format weird.integer natural" \
	"\\^done,format=\"natural\",value=\"123\"" \
	"set format variable weird.integer"

	mi_gdb_test "-var-set-format weird.character natural" \
	"\\^done,format=\"natural\",value=\"0 '\\\\\\\\000'\"" \
	"set format variable weird.character"

	mi_gdb_test "-var-set-format weird.char_ptr natural" \
	"\\^done,format=\"natural\",value=\"$hex \\\\\"hello\\\\\"\"" \
	"set format variable weird.char_ptr"

	mi_gdb_test "-var-set-format weird.long_int natural" \
	"\\^done,format=\"natural\",value=\"0\"" \
	"set format variable weird.long_int"

	mi_gdb_test "-var-set-format weird.int_ptr_ptr natural" \
	"\\^done,format=\"natural\",value=\"$hex\"" \
	"set format variable weird.int_ptr_ptr"

	mi_gdb_test "-var-set-format weird.long_array natural" \
	"\\^done,format=\"natural\",value=\"\\\[10\\\]\"" \
	"set format variable weird.long_array"

	mi_gdb_test "-var-set-format weird.func_ptr hexadecimal" \
	"\\^done,format=\"hexadecimal\",value=\"$hex\"" \
	"set format variable weird.func_ptr in hex (2)"

	mi_gdb_test "-var-set-format weird.func_ptr_struct hexadecimal" \
	"\\^done,format=\"hexadecimal\",value=\"$hex\"" \
	"set format variable weird.func_ptr_struct"

	mi_gdb_test "-var-set-format weird.func_ptr_ptr natural" \
	"\\^done,format=\"natural\",value=\"$hex <nothing2>\"" \
	"set format variable weird.func_ptr_ptr in natural"

	mi_gdb_test "-var-set-format weird.u1 natural" \
	"\\^done,format=\"natural\",value=\"\{...\}\"" \
	"set format variable weird.u1"

	mi_gdb_test "-var-set-format weird.s2 natural" \
	"\\^done,format=\"natural\",value=\"\{...\}\"" \
	"set format variable weird.s2"

	# Test: c_variable-6.25
	# Desc: value of weird and children
	#gdbtk_test c_variable-6.25 {value of weird and children} {
	# set values {}
	# foreach v [lsort [array names var]] f [list x "" "" x x x x d d d d d] {
	# lappend values [value $v $f]
	# }

	# set values
	#} {ok ok ok ok ok ok ok ok weird.long_array ok weird.s2 weird.u1}

	# Test: c_variable-6.26
	# Desc: change format of weird and children to octal
	#gdbtk_test c_variable-6.26 {change format of weird and children to octal} {
	# set formats {}
	# foreach v [lsort [array names var]] {
	# $var($v) format octal
	# lappend formats [$var($v) format]
	# }

	# set formats
	#} {octal octal octal octal octal octal octal octal octal octal octal octal}

	# Test: c_variable-6.27
	# Desc: value of weird and children with new format
	#gdbtk_test c_variable-6.27 {value of foo with new format} {
	# set values {}
	# foreach v [lsort [array names var]] {
	# lappend values [value $v o]
	# }

	# set values
	#} {ok ok ok ok ok ok ok ok weird.long_array ok weird.s2 weird.u1}

	# Test: c_variable-6.30
	# Desc: create more children of weird
	#gdbtk_test c_variable-6.30 {create more children of weird} {
	# foreach v [array names var] {
	# get_children $v
	# }

	# # Do it twice to get more children
	# foreach v [array names var] {
	# get_children $v
	# }

	# lsort [array names var]
	#} {weird weird.char_ptr weird.character weird.func_ptr weird.func_ptr_ptr weird.func_ptr_struct weird.int_ptr_ptr weird.int_ptr_ptr.int_ptr_ptr weird.int_ptr_ptr.int_ptr_ptr.**int_ptr_ptr weird.integer weird.long_array weird.long_array.0 weird.long_array.1 weird.long_array.2 weird.long_array.3 weird.long_array.4 weird.long_array.5 weird.long_array.6 weird.long_array.7 weird.long_array.8 weird.long_array.9 weird.long_int weird.s2 weird.s2.g weird.s2.h weird.s2.i weird.s2.i.0 weird.s2.i.1 weird.s2.i.2 weird.s2.i.3 weird.s2.i.4 weird.s2.i.5 weird.s2.i.6 weird.s2.i.7 weird.s2.i.8 weird.s2.i.9 weird.s2.u2 weird.s2.u2.f weird.s2.u2.u1s1 weird.s2.u2.u1s2 weird.u1 weird.u1.a weird.u1.b weird.u1.c weird.u1.d}

	# Test: c_variable-6.31
	# Desc: check that all children of weird change
	# Ok, obviously things like weird.s2 and weird.u1 will not change!
	#gdbtk_test *c_variable-6.31 {check that all children of weird change (ops, we are now reporting array names as changed in this case - seems harmless though)} {
	# $var(weird) value 0x2121
	# check_update
	#} {{weird.integer weird.character weird.char_ptr weird.long_int weird.int_ptr_ptr weird.int_ptr_ptr.int_ptr_ptr weird.int_ptr_ptr.int_ptr_ptr.**int_ptr_ptr weird.long_array.0 weird.long_array.1 weird.long_array.2 weird.long_array.3 weird.long_array.4 weird.long_array.5 weird.long_array.6 weird.long_array.7 weird.long_array.8 weird.long_array.9 weird.func_ptr weird.func_ptr_struct weird.func_ptr_ptr weird.u1.a weird.u1.b weird.u1.c weird.u1.d weird.s2.u2.f weird.s2.g weird.s2.h weird.s2.i.0 weird.s2.i.1 weird.s2.i.2 weird.s2.i.3 weird.s2.i.4 weird.s2.i.5 weird.s2.i.6 weird.s2.i.7 weird.s2.i.8 weird.s2.i.9} {weird.s2.i weird.s2.u2 weird weird.s2.u2.u1s1 weird.s2.u2.u1s2 weird.s2 weird.long_array weird.u1} {}}

	mi_gdb_test "-var-delete weird" \
	"\\^done,ndeleted=\"12\"" \
	"delete var weird"


	##### #####
	# #
	# Special Display Tests #
	# #
	##### #####

	# Stop at the end of "do_special_tests"

	set line_dst_incr_a_2 [gdb_get_line_number "incr_a(2);"]

	mi_create_breakpoint "$line_dst_incr_a_2" \
	"break-insert operation 2" \
	-number 2 -func do_special_tests -file ".*var-cmd.c" \
	-line $line_dst_incr_a_2

	mi_execute_to "exec-continue" "breakpoint-hit" "do_special_tests" "" \
	".*var-cmd.c" $line_dst_incr_a_2 { "" "disp=\"keep\"" } \
	"continue to do_special_tests"

	# Test: c_variable-7.10
	# Desc: create union u
	mi_create_varobj u u "create local variable u"

	# Test: c_variable-7.11
	# Desc: value of u
	mi_gdb_test "-var-evaluate-expression u" \
	"\\^done,value=\"\{\\.\\.\\.\}\"" \
	"eval variable u"

	# Test: c_variable-7.12
	# Desc: type of u
	mi_gdb_test "-var-info-type u" \
	"\\^done,type=\"union named_union\"" \
	"info type variable u"

	# Test: c_variable-7.13
	# Desc: is u editable
	mi_gdb_test "-var-show-attributes u" \
	"\\^done,attr=\"noneditable\"" \
	"is u editable"

	# Test: c_variable-7.14
	# Desc: number of children of u
	mi_gdb_test "-var-info-num-children u" \
	"\\^done,numchild=\"2\"" \
	"get number of children of u"

	# Test: c_variable-7.15
	# Desc: children of u
	mi_list_varobj_children u {
	{u.integer integer 0 int}
	{u.char_ptr char_ptr 1 {char \*}}
	} "get children of u"

	# Test: c_variable-7.20
	# Desc: create anonu
	mi_create_varobj anonu anonu "create local variable anonu"

	# Test: c_variable-7.21
	# Desc: value of anonu
	mi_gdb_test "-var-evaluate-expression anonu" \
	"\\^done,value=\"\{\\.\\.\\.\}\"" \
	"eval variable anonu"

	# Test: c_variable-7.22
	# Desc: type of anonu
	mi_gdb_test "-var-info-type anonu" \
	"\\^done,type=\"union \{\\.\\.\\.\}\"" \
	"info type variable anonu"

	# Test: c_variable-7.23
	# Desc: is anonu editable
	mi_gdb_test "-var-show-attributes anonu" \
	"\\^done,attr=\"noneditable\"" \
	"is anonu editable"

	# Test: c_variable-7.24
	# Desc: number of children of anonu
	mi_gdb_test "-var-info-num-children anonu" \
	"\\^done,numchild=\"3\"" \
	"get number of children of anonu"

	# Test: c_variable-7.25
	# Desc: children of anonu
	mi_list_varobj_children "anonu" {
	{anonu.a a 0 int}
	{anonu.b b 0 char}
	{anonu.c c 0 "long"}
	} "get children of anonu"

	# Test: c_variable-7.30
	# Desc: create struct s
	mi_create_varobj s s "create local variable s"


	# Test: c_variable-7.31
	# Desc: value of s
	mi_gdb_test "-var-evaluate-expression s" \
	"\\^done,value=\"\{\\.\\.\\.\}\"" \
	"eval variable s"

	# Test: c_variable-7.32
	# Desc: type of s
	mi_gdb_test "-var-info-type s" \
	"\\^done,type=\"struct _simple_struct\"" \
	"info type variable s"

	# Test: c_variable-7.33
	# Desc: is s editable
	mi_gdb_test "-var-show-attributes s" \
	"\\^done,attr=\"noneditable\"" \
	"is s editable"

	# Test: c_variable-7.34
	# Desc: number of children of s
	mi_gdb_test "-var-info-num-children s" \
	"\\^done,numchild=\"6\"" \
	"get number of children of s"

	# Test: c_variable-7.35
	# Desc: children of s
	mi_list_varobj_children s {
	{s.integer integer 0 int}
	{s.unsigned_integer unsigned_integer 0 "unsigned int"}
	{s.character character 0 char}
	{s.signed_character signed_character 0 "signed char"}
	{s.char_ptr char_ptr 1 {char \*}}
	{s.array_of_10 array_of_10 10 {int \[10\]}}
	} "get children of s"
	#} {integer unsigned_integer character signed_character char_ptr array_of_10}

	# Test: c_variable-7.40
	# Desc: create anons
	mi_create_varobj anons anons "create local variable anons"

	# Test: c_variable-7.41
	# Desc: value of anons
	mi_gdb_test "-var-evaluate-expression anons" \
	"\\^done,value=\"\{\\.\\.\\.\}\"" \
	"eval variable anons"

	# Test: c_variable-7.42
	# Desc: type of anons
	mi_gdb_test "-var-info-type anons" \
	"\\^done,type=\"struct \{\\.\\.\\.\}\"" \
	"info type variable anons"

	# Test: c_variable-7.43
	# Desc: is anons editable
	mi_gdb_test "-var-show-attributes anons" \
	"\\^done,attr=\"noneditable\"" \
	"is anons editable"

	# Test: c_variable-7.44
	# Desc: number of children of anons
	mi_gdb_test "-var-info-num-children anons" \
	"\\^done,numchild=\"3\"" \
	"get number of children of anons"

	# Test: c_variable-7.45
	# Desc: children of anons
	mi_list_varobj_children anons {
	{anons.a a 0 int}
	{anons.b b 0 char}
	{anons.c c 0 "long"}
	} "get children of anons"

	# Test: c_variable-7.50
	# Desc: create enum e
	mi_create_varobj e e "create local variable e"

	# Test: c_variable-7.51
	# Desc: value of e
	mi_gdb_test "-var-evaluate-expression e" \
	"\\^done,value=\"bar\"" \
	"eval variable e"

	# Test: c_variable-7.52
	# Desc: type of e
	mi_gdb_test "-var-info-type e" \
	"\\^done,type=\"enum foo\"" \
	"info type variable e"

	# Test: c_variable-7.53
	# Desc: is e editable
	mi_gdb_test "-var-show-attributes e" \
	"\\^done,attr=\"editable\"" \
	"is e editable"

	# Test: c_variable-7.54
	# Desc: number of children of e
	mi_gdb_test "-var-info-num-children e" \
	"\\^done,numchild=\"0\"" \
	"get number of children of e"

	# Test: c_variable-7.55
	# Desc: children of e
	mi_gdb_test "-var-list-children e" \
	"\\^done,numchild=\"0\",has_more=\"0\"" \
	"get children of e"

	# Test: c_variable-7.60
	# Desc: create anone
	mi_create_varobj anone anone "create local variable anone"

	# Test: c_variable-7.61
	# Desc: value of anone
	mi_gdb_test "-var-evaluate-expression anone" \
	"\\^done,value=\"A\"" \
	"eval variable anone"

	# Test: c_variable-7.70
	# Desc: create anone
	mi_gdb_test "-var-create anone * anone" \
	"\\^error,msg=\"Duplicate variable object name\"" \
	"create duplicate local variable anone"


	# Test: c_variable-7.72
	# Desc: type of anone
	mi_gdb_test "-var-info-type anone" \
	"\\^done,type=\"enum \{\\.\\.\\.\}\"" \
	"info type variable anone"


	# Test: c_variable-7.73
	# Desc: is anone editable
	mi_gdb_test "-var-show-attributes anone" \
	"\\^done,attr=\"editable\"" \
	"is anone editable"

	# Test: c_variable-7.74
	# Desc: number of children of anone
	mi_gdb_test "-var-info-num-children anone" \
	"\\^done,numchild=\"0\"" \
	"get number of children of anone"

	# Test: c_variable-7.75
	# Desc: children of anone
	mi_gdb_test "-var-list-children anone" \
	"\\^done,numchild=\"0\",has_more=\"0\"" \
	"get children of anone"


	# Record fp
	if ![mi_gdb_test "p/x \$fp" ".($hex).\\^done" "print FP register"] {
	set fp $expect_out(3,string)
	}

	mi_continue_to "incr_a"

	# Test: c_variable-7.81
	# Desc: Create variables in different scopes
	mi_gdb_test "-var-create a1 * a" \
	"\\^done,name=\"a1\",numchild=\"0\",value=\".\",type=\"char\"." \
	"create local variable a1"

	if { [info exists fp] } {
	mi_gdb_test "-var-create a2 $fp a" \
	"\\^done,name=\"a2\",numchild=\"0\",value=\".\",type=\"int\"." \
	"create variable a2 in different scope"
	} else {
	untested "create variable a2 in different scope"
	}

	#gdbtk_test c_variable-7.81 {create variables in different scopes} {
	# set a1 [gdb_variable create -expr a]
	# set a2 [gdb_variable create -expr a -frame $fp]

	# set vals {}
	# lappend vals [$a1 value]
	# lappend vals [$a2 value]
	# set vals
	#} {2 1}


	mi_gdb_exit
	return 0