Subversion Repositories openrisc

# Copyright 1999, 2000, 2001, 2002, 2004, 2005, 2007, 2008

# 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 .

# 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

}

set testfile "var-cmd"

set srcfile ${testfile}.c

set binfile ${objdir}/${subdir}/${testfile}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DFAKEARGV}] != "" } {

    untested mi-var-cmd.exp

    return -1

}

mi_delete_breakpoints

mi_gdb_reinitialize_dir $srcdir/$subdir

mi_gdb_load ${binfile}

#####                   #####

#                           #

#  Variable Creation tests  #

#                           #

#####                   #####

# Test:  c_variable-1.1

# Desc:  Create global variable

mi_gdb_test "111-var-create global_simple * global_simple" \

        "111\\^done,name=\"global_simple\",numchild=\"6\",value=\"{...}\",type=\"simpleton\"" \

        "create global variable"

# Test: c_variable-1.2

# Desc: Create non-existent variable

mi_gdb_test "112-var-create bogus_unknown_variable * bogus_unknown_variable" \

        "&\"mi_cmd_var_create: unable to create variable object\\\\n\".*112\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \

        "create non-existent variable"

# Test: c_variable-1.3

# Desc: Create out of scope variable

mi_gdb_test "113-var-create argc * argc" \

        "&\"mi_cmd_var_create: unable to create variable object\\\\n\".*113\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \

        "create out of scope variable"

mi_runto do_locals_tests

set line_dlt_first_real [gdb_get_line_number "linteger = 1234;"]

mi_continue_to_line $line_dlt_first_real "step to real start of do_locals_test"

# Test: c_variable-1.4

# Desc: create local variables

mi_gdb_test "-var-create linteger * linteger" \

        "\\^done,name=\"linteger\",numchild=\"0\",value=\".*\",type=\"int\"" \

        "create local variable linteger"

mi_gdb_test "-var-create lpinteger * lpinteger" \

        "\\^done,name=\"lpinteger\",numchild=\"1\",value=\"$hex\",type=\"int \\*\"" \

        "create local variable lpinteger"

mi_gdb_test "-var-create lcharacter * lcharacter\[0\]" \

        "\\^done,name=\"lcharacter\",numchild=\"0\",value=\".*\",type=\"char\"" \

        "create local variable lcharacter "

mi_gdb_test "-var-create lpcharacter * lpcharacter" \

        "\\^done,name=\"lpcharacter\",numchild=\"1\",value=\"$hex.*\",type=\"char \\*\"" \

        "create local variable lpcharacter"

mi_gdb_test "-var-create llong * llong" \

        "\\^done,name=\"llong\",numchild=\"0\",value=\".*\",type=\"long int\"" \

        "create local variable llong"

mi_gdb_test "-var-create lplong * lplong" \

        "\\^done,name=\"lplong\",numchild=\"1\",value=\"$hex\",type=\"long int \\*\"" \

        "create local variable lplong"

mi_gdb_test "-var-create lfloat * lfloat" \

        "\\^done,name=\"lfloat\",numchild=\"0\",value=\".*\",type=\"float\"" \

        "create local variable lfloat"

mi_gdb_test "-var-create lpfloat * lpfloat" \

        "\\^done,name=\"lpfloat\",numchild=\"1\",value=\"$hex\",type=\"float \\*\"" \

        "create local variable lpfloat"

mi_gdb_test "-var-create ldouble * ldouble" \

        "\\^done,name=\"ldouble\",numchild=\"0\",value=\".*\",type=\"double\"" \

        "create local variable ldouble"

mi_gdb_test "-var-create lpdouble * lpdouble" \

        "\\^done,name=\"lpdouble\",numchild=\"1\",value=\"$hex\",type=\"double \\*\"" \

        "create local variable lpdouble"

mi_gdb_test "-var-create lsimple * lsimple" \

        "\\^done,name=\"lsimple\",numchild=\"6\",value=\"{...}\",type=\"struct _simple_struct\"" \

        "create local variable lsimple"

mi_gdb_test "-var-create lpsimple * lpsimple" \

        "\\^done,name=\"lpsimple\",numchild=\"6\",value=\"$hex\",type=\"struct _simple_struct \\*\"" \

        "create local variable lpsimple"

mi_gdb_test "-var-create func * func" \

        "\\^done,name=\"func\",numchild=\"0\",value=\".*\",type=\"void \\(\\*\\)\\((void|)\\)\"" \

        "create local variable func"

# Test: c_variable-1.5

# Desc: create lsimple.character

mi_gdb_test "-var-create lsimple.character * lsimple.character" \

        "\\^done,name=\"lsimple.character\",numchild=\"0\",value=\".*\",type=\"char\"" \

        "create lsimple.character"

# Test: c_variable-1.6

# Desc: create lpsimple->integer

mi_gdb_test "-var-create lsimple->integer * lsimple->integer" \

        "\\^done,name=\"lsimple->integer\",numchild=\"0\",value=\".*\",type=\"int\"" \

        "create lsimple->integer"

# Test: c_variable-1.7

# Desc: ceate lsimple.integer

mi_gdb_test "-var-create lsimple.integer * lsimple.integer" \

        "\\^done,name=\"lsimple.integer\",numchild=\"0\",value=\".*\",type=\"int\"" \

        "create lsimple->integer"

# Test: c_variable-1.9

# Desc: create type name

#    Type names (like int, long, etc..) are all proper expressions to gdb.

#    make sure variable code does not allow users to create variables, though.

mi_gdb_test "-var-create int * int" \

        "&\"Attempt to use a type name as an expression.\\\\n\".*&\"mi_cmd_var_create: unable to create variable object\\\\n\".*\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \

        "create int"

#####             #####

#                     #

# Value changed tests #

#                     #

#####             #####

# Test: c_variable-2.1

# Desc: check whether values changed at do_block_tests

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\\\[\\\]" \

        "update all vars"

# Step over "linteger = 1234;"

set line_dlt_linteger [gdb_get_line_number "lpinteger = &linteger;"]

mi_step_to "do_locals_tests" "" "var-cmd.c" $line_dlt_linteger "step at do_locals_test"

# Test: c_variable-2.2

# Desc: check whether only linteger changed values

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\\\[\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \

        "update all vars: linteger changed"

# Step over "lpinteger = &linteger;"

mi_step_to "do_locals_tests" "" "var-cmd.c" [expr $line_dlt_linteger + 1] "step at do_locals_tests (2)"

# Test: c_variable-2.3

# Desc: check whether only lpinteger changed

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\\\[\{name=\"lpinteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \

        "update all vars: lpinteger changed"

# Step over "lcharacter = 'a';"

mi_step_to "do_locals_tests" "" "var-cmd.c" [expr $line_dlt_linteger + 2] "step at do_locals_tests (3)"

# Test: c_variable-2.4

# Desc: check whether only lcharacter changed

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\\\[\{name=\"lcharacter\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \

        "update all vars: lcharacter changed"

# Step over "lpcharacter = &lcharacter;"

mi_step_to "do_locals_tests" "" "var-cmd.c" [expr $line_dlt_linteger + 3] "step at do_locals_tests (4)"

# Test: c_variable-2.5

# Desc: check whether only lpcharacter changed

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\\\[\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \

        "update all vars: lpcharacter changed"

# Step over:

#  llong = 2121L;

#  lplong = &llong;

#  lfloat = 2.1;

#  lpfloat = &lfloat;

#  ldouble = 2.718281828459045;

#  lpdouble = &ldouble;

#  lsimple.integer = 1234;

#  lsimple.unsigned_integer = 255;

#  lsimple.character = 'a';

mi_execute_to "exec-step 9" "end-stepping-range" "do_locals_tests" "" \

        "var-cmd.c" [expr $line_dlt_linteger + 12] "" "step at do_locals_tests (5)"

# Test: c_variable-2.6

# Desc: check whether llong, lplong, lfloat, lpfloat, ldouble, lpdouble, lsimple.integer,

#       lsimple.unsigned_character lsimple.integer lsimple.character changed

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\\\[\{name=\"lsimple.integer\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lsimple->integer\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lsimple.character\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lpdouble\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"ldouble\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lpfloat\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lfloat\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lplong\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"llong\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \

        "update all vars: many changed"

# Step over:

#  lsimple.signed_character = 21;

#  lsimple.char_ptr = &lcharacter;

#  lpsimple = &lsimple;

#  func = nothing;

set line_dlt_4321 [gdb_get_line_number "linteger = 4321;"]

mi_execute_to "exec-step 4" "end-stepping-range" "do_locals_tests" "" \

        "var-cmd.c" $line_dlt_4321 "" "step at do_locals_tests (6)"

# Test: c_variable-2.7

# Desc: check whether (lsimple.signed_character, lsimple.char_ptr) lpsimple, func changed

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\\\[\{name=\"func\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lpsimple\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \

        "update all vars: func and lpsimple changed"

# Step over

#  linteger = 4321;

#  lcharacter = 'b';

#  llong = 1212L;

#  lfloat = 1.2;

#  ldouble = 5.498548281828172;

#  lsimple.integer = 255;

#  lsimple.unsigned_integer = 4321;

#  lsimple.character = 'b';

mi_execute_to "exec-step 8" "end-stepping-range" "do_locals_tests" "" \

        "var-cmd.c" [expr $line_dlt_4321 + 8] "" "step at do_locals_tests (7)"

# Test: c_variable-2.8

# Desc: check whether linteger, lcharacter, llong, lfoat, ldouble, lsimple.integer,

#       lpsimple.integer lsimple.character changed

# Note: this test also checks that lpsimple->integer and lsimple.integer have

#       changed (they are the same)

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\\\[\{name=\"lsimple.integer\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lsimple->integer\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lsimple.character\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"ldouble\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lfloat\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"llong\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lcharacter\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \

        "update all vars: lsimple and others changed"

###

#

# Test assignment to variables. More tests on assignment are in other files.

#

###

mi_gdb_test "-var-assign global_simple 0" \

        "&\"mi_cmd_var_assign: Variable object is not editable\\\\n\".*\\^error,msg=\"mi_cmd_var_assign: Variable object is not editable\"" \

        "assign to global_simple"

mi_gdb_test "-var-assign linteger 3333" \

        "\\^done,value=\"3333\"" \

        "assign to linteger"

# Allow lpcharacter to update, optionally.  Because it points to a

# char variable instead of a zero-terminated string, if linteger is

# directly after it in memory the printed characters may appear to

# change.

set lpchar_update "\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\"\},"

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\\\[($lpchar_update)?\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \

        "update all vars: linteger changed after assign"

mi_gdb_test "-var-assign linteger 3333" \

        "\\^done,value=\"3333\"" \

        "assign to linteger again, same value"

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\\\[\\\]" \

        "update all vars: linteger not changed after same assign"

mi_gdb_test "-var-evaluate-expression linteger" \

        "\\^done,value=\"3333\"" \

        "eval linteger"

mi_gdb_test "-var-assign lpinteger \"&linteger + 3\"" \

        "\\^done,value=\"$hex\"" \

        "assign to lpinteger"

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\\\[\{name=\"lpinteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \

        "update all vars: lpinteger changed after assign"

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\\\[\\\]" \

        "update all vars: no changes on second update"

mi_gdb_test "-var-evaluate-expression lpinteger" \

        "\\^done,value=\"$hex\"" \

        "eval lpinteger"

# reset the values to the original ones so that the rest of the file doesn't suffer.

mi_gdb_test "-var-assign linteger 4321" \

        "\\^done,value=\"4321\"" \

        "assign to linteger"

mi_gdb_test "-var-assign lpinteger &linteger" \

        "\\^done,value=\"$hex\"" \

        "assign to lpinteger"

mi_gdb_test "-var-assign lcharacter 'z'" \

        "\\^done,value=\"122 'z'\"" \

        "assign to lcharacter"

mi_gdb_test "-var-evaluate-expression lcharacter" \

        "\\^done,value=\"122 'z'\"" \

        "eval lcharacter"

mi_gdb_test "-var-assign llong 1313L" \

        "\\^done,value=\"1313\"" \

        "assign to llong"

mi_gdb_test "-var-evaluate-expression llong" \

        "\\^done,value=\"1313\"" \

        "eval llong"

mi_gdb_test "-var-assign llong 1212L" \

        "\\^done,value=\"1212\"" \

        "assign to llong"

mi_gdb_test "-var-assign lplong &llong+4" \

        "\\^done,value=\"$hex\"" \

        "assign to lplong"

mi_gdb_test "-var-evaluate-expression lplong" \

        "\\^done,value=\"$hex\"" \

        "eval lplong"

mi_gdb_test "-var-assign lplong &llong" \

        "\\^done,value=\"$hex\"" \

        "assign to lplong"

mi_gdb_test "-var-assign lfloat 3.4567" \

        "\\^done,value=\"3.45.*\"" \

        "assign to lfloat"

mi_gdb_test "-var-evaluate-expression lfloat" \

        "\\^done,value=\"3.45.*\"" \

        "eval lfloat"

mi_gdb_test "-var-assign lfloat 1.2345" \

        "\\^done,value=\"1.23.*\"" \

        "assign to lfloat"

mi_gdb_test "-var-assign lpfloat &lfloat+4" \

        "\\^done,value=\"$hex\"" \

        "assign to lpfloat"

mi_gdb_test "-var-assign ldouble 5.333318284590435" \

        "\\^done,value=\"5.333318284590435\"" \

        "assign to ldouble"

mi_gdb_test "-var-assign func do_block_tests" \

        "\\^done,value=\"$hex \"" \

        "assign to func"

mi_gdb_test "-var-assign lsimple.character 'd'" \

        "\\^done,value=\"100 'd'\"" \

        "assign to lsimple.character"

mi_gdb_test "-var-assign  lsimple->integer 222" \

        "\\^done,value=\"222\"" \

        "assign to lsimple->integer"

mi_gdb_test "-var-assign lsimple.integer 333" \

        "\\^done,value=\"333\"" \

        "assign to lsimple.integer"

mi_gdb_test "-var-update *" \

        "\\^done,changelist=.*" \

        "var update"

# Check that assignment of function and array values

# promotes the assigned value to function pointer/data

# pointer before comparing with the existing value,

# and does not incorrectly make the value as changed.

mi_gdb_test "-var-assign func do_block_tests" \

        "\\^done,value=\"$hex \"" \

        "assign same value to func"

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\\\[\\\]" \

        "assign same value to func (update)"

mi_gdb_test "-var-create array_ptr * array_ptr" \

        "\\^done,name=\"array_ptr\",numchild=\"1\",value=\"$hex\",type=\"int \\*\"" \

        "create global variable array_ptr"

mi_gdb_test "-var-assign array_ptr array2" \

        "\\^done,value=\"$hex\"" \

        "assign array to pointer"

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\\\[\{name=\"array_ptr\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \

        "assign array to pointer (update)"

mi_gdb_test "-var-assign array_ptr array2" \

        "\\^done,value=\"$hex\"" \

        "assign same array to pointer"

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\\\[\\\]" \

        "assign same array to pointer (update)"

######

# End of assign tests

#####

set line_subroutine1_body [gdb_get_line_number "global_simple.integer = i + 3;"]

mi_continue_to subroutine1

# Test: c_variable-2.10

# Desc: create variable for locals i,l in subroutine1

mi_gdb_test "-var-create i  * i" \

        "\\^done,name=\"i\",numchild=\"0\",value=\"4321\",type=\"int\"" \

        "create i"

mi_gdb_test "-var-create l * l" \

        "\\^done,name=\"l\",numchild=\"1\",value=\"$hex\",type=\"long int \\*\"" \

        "create l"

# Test: c_variable-2.11

# Desc: create do_locals_tests local in subroutine1

mi_gdb_test "-var-create linteger * linteger" \

        "&\"mi_cmd_var_create: unable to create variable object\\\\n\".*\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \

        "create linteger"

mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \

        "var-cmd.c" [expr $line_subroutine1_body + 1] "step at subroutine1"

# Test: c_variable-2.12

# Desc: change global_simple.integer

# Note: This also tests whether we are reporting changes in structs properly.

#       gdb normally would say that global_simple has changed, but we

#       special case that, since it is not what a human expects to

#       see.

setup_xfail *-*-*

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\{FIXME: WHAT IS CORRECT HERE\}" \

        "update all vars: changed FIXME"

clear_xfail *-*-*

mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \

        "var-cmd.c" [expr $line_subroutine1_body + 2] "step at subroutine1 (2)"

# Test: c_variable-2.13

# Desc: change subroutine1 local i

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\\\[\{name=\"i\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \

        "update all vars: i changed"

mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \

        "var-cmd.c" [expr $line_subroutine1_body + 3] "step at subroutine1 (3)"

# Test: c_variable-2.14

# Desc: change do_locals_tests local llong

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\\\[\{name=\"llong\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \

        "update all vars: llong changed"

set line_dlt_call_subroutine1 [gdb_get_line_number "subroutine1 (linteger, &llong);"]

mi_next_to "do_locals_tests" "" "var-cmd.c" \

  [expr $line_dlt_call_subroutine1 + 1] "next out of subroutine1"

# Test: c_variable-2.15

# Desc: check for out of scope subroutine1 locals

mi_gdb_test "-var-update *" \

        "\\^done,changelist=\\\[\{name=\"l\",in_scope=\"false\"\},\{name=\"i\",in_scope=\"false\"\}\\\]" \

        "update all vars: all now out of scope"

# Done with locals/globals tests. Erase all variables

#delete_all_variables

mi_gdb_test "-var-delete global_simple" \

        "\\^done,ndeleted=\"1\"" \

        "delete var"

mi_gdb_test "-var-delete linteger" \

        "\\^done,ndeleted=\"1\"" \

        "delete var linteger"

mi_gdb_test "-var-delete lpinteger" \

        "\\^done,ndeleted=\"1\"" \

        "delete var lpinteger"

mi_gdb_test "-var-delete lcharacter" \

        "\\^done,ndeleted=\"1\"" \

        "delete var lcharacter"

mi_gdb_test "-var-delete lpcharacter" \

        "\\^done,ndeleted=\"1\"" \

        "delete var lpcharacter"

mi_gdb_test "-var-delete llong" \

        "\\^done,ndeleted=\"1\"" \

        "delete var llong"

mi_gdb_test "-var-delete lplong" \

        "\\^done,ndeleted=\"1\"" \

        "delete var lplong"

mi_gdb_test "-var-delete lfloat" \

        "\\^done,ndeleted=\"1\"" \

        "delete var lfloat"

mi_gdb_test "-var-delete lpfloat" \

        "\\^done,ndeleted=\"1\"" \

        "delete var lpfloat"

mi_gdb_test "-var-delete ldouble" \

        "\\^done,ndeleted=\"1\"" \

        "delete var ldouble"

mi_gdb_test "-var-delete lpdouble" \

        "\\^done,ndeleted=\"1\"" \

        "delete var lpdouble"

mi_gdb_test "-var-delete lsimple" \

        "\\^done,ndeleted=\"1\"" \

        "delete var lsimple"

mi_gdb_test "-var-delete lpsimple" \

        "\\^done,ndeleted=\"1\"" \

        "delete var lpsimple"

mi_gdb_test "-var-delete func" \

        "\\^done,ndeleted=\"1\"" \

        "delete var func"

mi_gdb_test "-var-delete lsimple.character" \

        "\\^done,ndeleted=\"1\"" \

        "delete var lsimple.character"

mi_gdb_test "-var-delete  lsimple->integer" \

        "\\^done,ndeleted=\"1\"" \

        "delete var  lsimple->integer"

mi_gdb_test "-var-delete lsimple.integer" \

        "\\^done,ndeleted=\"1\"" \

        "delete var lsimple.integer"

mi_gdb_test "-var-delete i" \

        "\\^done,ndeleted=\"1\"" \

        "delete var i"

mi_gdb_test "-var-delete l" \

        "\\^done,ndeleted=\"1\"" \

        "delete var l"

# Test whether we can follow the name of a variable through multiple

# stack frames.

mi_continue_to do_special_tests

mi_gdb_test "-var-create selected_a @ a" \

  {\^done,name="selected_a",numchild="0",value=\".*\",type="int"} \

  "create selected_a"

mi_continue_to incr_a

mi_gdb_test "-var-update selected_a" \

        "\\^done,changelist=\\\[\{name=\"selected_a\",in_scope=\"true\",new_type=\"char\",new_num_children=\"0\"\}\\\]" \

        "update selected_a in incr_a"

mi_next "step a line in incr_a"

mi_next "return from incr_a to do_special_tests"

mi_gdb_test "-var-update selected_a" \

        "\\^done,changelist=\\\[\{name=\"selected_a\",in_scope=\"true\",new_type=\"int\",new_num_children=\"0\"\}\\\]" \

        "update selected_a in do_special_tests"

mi_delete_varobj selected_a "delete selected_a"

mi_delete_varobj array_ptr "delete array_ptr"

proc set_frozen {varobjs flag} {

    foreach v $varobjs {

        mi_gdb_test "-var-set-frozen $v $flag" \

            "\\^done" \

            "-var-set-frozen $v $flag"

    }

}

mi_prepare_inline_tests $srcfile

mi_run_inline_test frozen

# Test whether bad varobjs crash GDB.

# A varobj we fail to read during -var-update should be considered

# out of scope.

mi_gdb_test "-var-create null_ptr * **0" \

    {\^done,name="null_ptr",numchild="0",value=".*",type="int"} \

    "create null_ptr"

# Allow this to succeed, if address zero is readable, although it

# will not test what it was meant to.  Most important is that GDB

# does not crash.

mi_gdb_test "-var-update null_ptr" \

    {\^done,changelist=\[.*\]} \

    "update null_ptr"

mi_gdb_test "-var-delete null_ptr" \

    "\\^done,ndeleted=\"1\"" \

    "delete null_ptr"

# When we fail to read a varobj created from a named variable,

# we evaluate its type instead.  Make sure that doesn't blow

# up by trying to read it again.  We can use _end when not running

# the program to simulate an unreadable variable, if this platform

# provides _end, but cope if it's missing.

mi_gdb_test "kill" \

    {&"kill\\n".*\^done} \

    "kill program before endvar"

mi_gdb_test "-var-create endvar * _end" \

    {(\^done,name="endvar",numchild="0",value=".*",type=".*"|&".*unable to.*".*\^error,msg=".*")} \

    "create endvar"

# Allow this to succeed whether the value is readable, unreadable, or

# missing.  Most important is that GDB does not crash.

mi_gdb_test "-var-update endvar" \

    {(\^done,changelist=\[.*\]|^".*".*\^error,msg=".*not found")} \

    "update endvar"

mi_gdb_test "-var-delete endvar" \

    "\\^done,ndeleted=\"1\"" \

    "delete endvar"

mi_gdb_exit

return 0