# Copyright 2017-2023 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/>.

# Minimal testcase that just checks that the various "layout $foo"
# commands do not cause gdb to crash.

require allow_tui_tests

tuiterm_env

standard_testfile

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

# Run one test of the 'layout' command, selecting LAYOUT_NAME.
#
# TERMINAL should be either 'dumb' or 'ansi'.  When TERMINAL is 'dumb'
# then GDB is started in a terminal that does not support tui mode, in
# this case the layout command is expected to fail.
#
# When TERMINAL is 'ansi' then GDB is started using our emulated ANSI
# terminal, and the layout command is expected to succeed.
#
# When EXECUTION is true then a call to runto_main is used, otherwise
# this call is skipped and the inferior is left in whatever state it
# happens to be in after a call to clean_restart.

proc test_layout_or_focus {layout_name terminal execution} {
    global binfile gdb_prompt

    set dumb_terminal [string equal $terminal "dumb"]

    if {$dumb_terminal} {
	clean_restart $binfile
    } else {
	Term::clean_restart 24 80 $binfile
	if {![Term::prepare_for_tui]} {
	    unsupported "TUI not supported"
	    return
	}
    }

    if {$execution} {
	if {![runto_main]} {
	    return 0
	}
    }

    if {$dumb_terminal} {
	gdb_test "layout $layout_name" \
	    "Cannot enable the TUI: terminal doesn't support cursor addressing \\\[TERM=dumb\\\]"
    } else {
	Term::command_no_prompt_prefix "layout $layout_name"
	if {$layout_name == "asm"} {
	    Term::check_box "asm box" 0 0 80 15
	} elseif {$layout_name == "reg"} {
	    Term::check_box "reg box" 0 0 80 8
	    Term::check_box "src box" 0 7 80 8
	} elseif {$layout_name == "src"} {
	    Term::check_box "src box" 0 0 80 15
	} elseif {$layout_name == "split"} {
	    Term::check_box "src box" 0 0 80 8
	    Term::check_box "asm box" 0 7 80 8
	}
    }
}

foreach_with_prefix terminal {ansi dumb} {
    foreach_with_prefix execution {false true} {
	foreach_with_prefix layout {"asm" "reg" "src" "split"} {
	    test_layout_or_focus $layout $terminal $execution
	}
    }
}