# Copyright 2022-2024 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/>.

# The purpose of this test-case is to test the cond_wrap proc.

# Proc that temporarily sets global variable a to 6, and executes BODY.
# Note that normally a wrapper needs to guarantee that the restore is executed
# even if executing body throws an error, but we don't need to bother with this
# for this test-case.
proc wrap { body } {
    global a

    # Save a.
    set save_a $a

    set a 6
    uplevel 1 $body

    # Restore a.
    set a $save_a
}

# Set initial value of global variable a.
set a 5

# Verify values of global variable a for cond == 0 and cond == 1.
foreach_with_prefix cond {0 1} {
    cond_wrap $cond wrap {
	gdb_assert {[expr $a - $cond] == 5} "value in conditional wrap"
    }
    gdb_assert {$a == 5} "value after conditional wrap"
}