# Copyright 2023-2024 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/>.

# Test a prompt one less than, equal to, and one more than screen width in
# TUI.

require allow_tui_tests

tuiterm_env

with_test_prefix "prompt size == width + 1" {
    Term::clean_restart 24 40

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

    set prompt "123456789A123456789B123456789C123456789D>"

    # Set new prompt, and set old prompt back.
    send_gdb "set prompt $prompt\n"
    send_gdb "set prompt (gdb) \n"

    # Expected output:
    #
    #   16 (gdb) set prompt 123456789A123456789B123
    #   17 456789C123456789D>
    #   18 123456789A123456789B123456789C123456789D
    #   19 >set prompt (gdb)
    #   20 (gdb)

    gdb_assert { [Term::wait_for "^>set prompt $gdb_prompt "] } \
	"got prompt back"

    gdb_assert { $Term::_cur_row == 20 }
}

with_test_prefix "prompt size == width + 1: end of screen" {
    Term::clean_restart 24 40

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

    # Put prompt at last line.
    Term::command "echo \\n\\n\\n\\n\\n\\n"
    gdb_assert { $Term::_cur_row == 23 } "at last line"

    set prompt "123456789A123456789B123456789C123456789D>"

    # Set new prompt, and set old prompt back.
    send_gdb "set prompt $prompt\n"
    send_gdb "set prompt (gdb) \n"

    # Expected output:
    #
    # 19 (gdb) set prompt 123456789A123456789B123
    # 20 456789C123456789D>
    # 21 123456789A123456789B123456789C123456789D
    # 22 >set prompt (gdb)
    # 23 (gdb)

    gdb_assert { [Term::wait_for "^>set prompt $gdb_prompt "] } \
	"got prompt back"

    gdb_assert { $Term::_cur_row == 23 } "still at last line"
    Term::check_region_contents "scrolling" 0 19 40 1 \
	"^$gdb_prompt set prompt 123456789A123456789B123$"
}

with_test_prefix "prompt size == width" {
    Term::clean_restart 24 40

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

    set prompt "123456789A123456789B123456789C123456789>"

    # Set new prompt, and set old prompt back.
    send_gdb "set prompt $prompt\n"
    send_gdb "set prompt (gdb) \n"

    # Expected output:
    #
    #   16 (gdb) set prompt 123456789A123456789B123
    #   17 456789C123456789>
    #   18 123456789A123456789B123456789C123456789>
    #   19 set prompt (gdb)
    #   20 (gdb)

    gdb_assert { [Term::wait_for "^set prompt $gdb_prompt "] } \
	"got prompt back"

    gdb_assert { $Term::_cur_row == 20 }
}

with_test_prefix "prompt size == width - 1" {
    Term::clean_restart 24 40

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

    set prompt "123456789A123456789B123456789C12345678>"

    # Set new prompt, and set old prompt back.
    send_gdb "set prompt $prompt\n"
    send_gdb "set prompt (gdb) \n"

    # Expected output:
    #
    #   16 (gdb) set prompt 123456789A123456789B123
    #   17 456789C12345678>
    #   18 123456789A123456789B123456789C12345678>s
    #   19 et prompt (gdb)
    #   20 (gdb)

    gdb_assert { [Term::wait_for "^et prompt $gdb_prompt "] } \
	"got prompt back"

    gdb_assert { $Term::_cur_row == 20 }
}