# Copyright 2019-2024 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/>.

# Simple test of TUI register window.

tuiterm_env

standard_testfile tui-layout.c

if {[build_executable "failed to prepare" ${testfile} ${srcfile}] == -1} {
    return -1
}

Term::clean_restart 24 80 $testfile

if {![runto_main]} {
    perror "test suppressed"
    return
}

# This is convenient later on.
gdb_test_no_output "set confirm off"

if {![Term::enter_tui]} {
    unsupported "TUI not supported"
    return
}

Term::check_contents "source at startup" "\\|.*21 *return 0"

Term::command "layout regs"
Term::check_box "register box" 0 0 80 8
Term::check_box "source box in regs layout" 0 7 80 8

# The current frame is main, check that registers are available.
set re_reg_vals_unavailable \
    [string_to_regexp \
	 [string cat \
	      [string repeat " " 23] \
	      {[ Register Values Unavailable ]}]]
gdb_assert \
    { ![Term::check_region_contents_p 0 0 80 8 $re_reg_vals_unavailable] } \
    "Register values available"

Term::command "kill"
gdb_assert \
    { [Term::check_region_contents_p 0 0 80 8 $re_reg_vals_unavailable] } \
    "Register values no longer available"

# Check that we can successfully cause the register window to appear
# using the 'tui reg next' and 'tui reg prev' commands.
foreach_with_prefix cmd { next prev } {
    Term::clean_restart 24 80 $testfile

    if {![runto_main]} {
	perror "test suppressed"
	return
    }

    if {![Term::enter_tui]} {
	unsupported "TUI not supported"
	return
    }

    Term::command "tui reg ${cmd}"
    Term::check_box "register box" 0 0 80 8
    Term::check_box "source box in regs layout" 0 7 80 8
    Term::check_region_contents "check register group title" \
	0 0 80 1 "Register group: "
    set contents [Term::get_region 0 15 80 8 "\r\n"]
    gdb_assert {![regexp -- "unknown register group '${cmd}'" $contents]} \
	"check register group is known"
}