binutils-gdb/gdb/testsuite/gdb.guile/scm-error.exp

# Copyright (C) 2010-2020 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 various error conditions.

set testfile "scm-error"

load_lib gdb-guile.exp

# Start with a fresh gdb.
gdb_exit
gdb_start

# Skip all tests if Guile scripting is not enabled.
if { [skip_guile_tests] } { continue }

# Test error while loading .scm.

set remote_guile_file_1 [gdb_remote_download host \
			     ${srcdir}/${subdir}/${testfile}-1.scm]
set remote_guile_file_2 [gdb_remote_download host \
			     ${srcdir}/${subdir}/${testfile}-2.scm]

gdb_test "source $remote_guile_file_1" \
    "(ERROR: )?In procedure \[+\]: Wrong type: #f.*" \
    "error loading scm file caught"

gdb_test "p 1" " = 1" "no delayed error"

# Test setting/showing the various states for "guile print-stack".

gdb_test "show guile print-stack" \
    "The mode of Guile exception printing on error is \"message\".*" \
    "test print-stack show setting of default"
gdb_test_no_output "set guile print-stack full" \
    "test print-stack full setting"
gdb_test "show guile print-stack" \
    "The mode of Guile exception printing on error is \"full\".*" \
    "test print-stack show setting to full"
gdb_test_no_output "set guile print-stack none" \
    "test print-stack none setting"
gdb_test "show guile print-stack" \
    "The mode of Guile exception printing on error is \"none\".*" \
    "test print-stack show setting to none"
# Reset back to default, just in case.
gdb_test_no_output "set guile print-stack message" \
    "reset print-stack to default, post set/show tests"

# Test "set guile print-stack none".

gdb_test_no_output "set guile print-stack none" \
    "set print-stack to none, for error test"

set test_name "no error printed"
set command "guile (define x doesnt-exist)"
gdb_test_multiple $command $test_name {
    -re "Backtrace.*$gdb_prompt $" { fail $test_name }
    -re "ERROR.*$gdb_prompt $"     { fail $test_name }
    -re "$gdb_prompt $"            { pass $test_name }
}

# Test "set guile print-stack message".

gdb_test_no_output "set guile print-stack message" \
    "set print-stack to message, for error test"

set test_name "error message printed"
set command "guile (define x doesnt-exist)"
gdb_test_multiple $command $test_name {
    -re "Backtrace.*$gdb_prompt $" { fail $test_name }
    -re "ERROR.*$gdb_prompt $"     { pass $test_name }
}

# Test "set guile print-stack full".

gdb_scm_test_silent_cmd "source $remote_guile_file_2" ""

gdb_test_no_output "set guile print-stack full" \
    "set print-stack to full, for backtrace test"

gdb_test "guile (define x (top-func 42))" \
    "Guile Backtrace:.*top-func (42|_).*middle-func (42|_).*bottom-func (42|_).*" \
    "backtrace printed"

# Verify gdb-specific errors are printed properly.
# i.e., each gdb error is registered to use init.scm:%error-printer.

gdb_test_no_output "set guile print-stack message" \
    "set print-stack to message, for error printing tests"

gdb_test "guile (throw 'gdb:error \"subr\" \"misc error: ~a\" (list 42))" \
    "ERROR: In procedure subr: misc error: 42.*"

gdb_test "guile (throw 'gdb:invalid-object-error \"subr\" \"invalid object error: ~a\" (list 42))" \
    "ERROR: In procedure subr: invalid object error: 42.*"

gdb_test "guile (throw 'gdb:memory-error \"subr\" \"memory error: ~a\" (list 42))" \
    "ERROR: In procedure subr: memory error: 42.*"

gdb_test "guile (throw 'gdb:pp-type-error \"subr\" \"pp-type error: ~a\" (list 42))" \
    "ERROR: In procedure subr: pp-type error: 42.*"