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# Copyright 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/>.
# Test prompt edit wrapping in tuiterm, both in CLI and TUI mode.
# Required for tuiterm.
require {!is_remote host}
tuiterm_env
# Make cols wide enough for the longest command.
set cols 50
set lines 24
set dims [list $lines $cols]
# Fill line, assuming we start after the gdb prompt.
proc fill_line { width } {
set res ""
# Take into account that the prompt also takes space.
set prefix [string length "(gdb) "]
set start [expr $prefix + 1]
# Print chars.
for { set i $start } { $i <= $width } { incr i } {
set c [expr $i % 10]
send_gdb $c
append res $c
}
return $res
}
# Test wrapping.
proc test_wrap { wrap_width } {
# Generate a prompt and parse it.
send_gdb "\003"
gdb_assert { [Term::wait_for "(^|$::gdb_prompt )Quit"] } "start line"
# Fill the line to just before wrapping.
set str [fill_line $wrap_width]
# Remaining space on line.
set space [string repeat " " [expr $::cols - $wrap_width]]
# Now print the first char we expect to wrap.
send_gdb "W"
# Check that the wrap occurred at the expected location.
gdb_assert { [Term::wait_for_region_contents 0 0 $::cols $::lines \
"$::gdb_prompt $str$space\r\nW"] } "wrap"
# Generate a prompt and parse it.
send_gdb "\003"
gdb_assert { [Term::wait_for "^WQuit"] } "prompt after wrap"
}
# Test wrapping in both CLI and TUI.
proc test_wrap_cli_tui { auto_detected_width } {
# Use a TUI layout with just a command window.
gdb_test_no_output "tui new-layout command-layout cmd 1"
set gdb_width 0
set readline_width 0
set re1 "Number of characters gdb thinks are in a line is ($::decimal)\\."
set re2 \
"Number of characters readline reports are in a line is ($::decimal)\\."
set cmd "maint info screen"
set re \
[multi_line \
"^$cmd" \
$re1 \
$re2 \
".*"]
gdb_test_multiple $cmd "" {
-re -wrap $re {
set gdb_width $expect_out(1,string)
set readline_width $expect_out(2,string)
pass $gdb_test_name
}
}
if { $auto_detected_width } {
if { $gdb_width == [expr $::cols - 1] || $gdb_width == $::cols } {
# Generate KFAIL or KPASS.
setup_kfail "cli/30346" "*-*-*"
}
}
gdb_assert { $gdb_width == $::cols } "width"
# TERM=ansi, so readline hides the last column.
gdb_assert { $gdb_width == [expr $readline_width + 1] }
with_test_prefix cli {
set wrap_width $readline_width
test_wrap $wrap_width
}
with_test_prefix tui {
if {![Term::prepare_for_tui]} {
unsupported "TUI not supported"
return
}
# Enter TUI.
send_gdb "layout command-layout\n"
gdb_assert { [Term::wait_for ""] } "switched to TUI"
# TUI interacts with readline for prompt editing, but doesn't wrap at
# $cols - 1. This is due to the fact that TUI defines its own
# rl_redisplay_function, tui_redisplay_readline which takes its cue
# for wrapping from curses.
set wrap_width $::cols
test_wrap $wrap_width
}
}
with_test_prefix width-hard-coded {
Term::clean_restart {*}$dims
gdb_test_no_output "set width $cols"
# Run tests with hard-coded screen width.
test_wrap_cli_tui 0
}
with_test_prefix width-auto-detected {
Term::with_tuiterm {*}$dims {
save_vars { ::INTERNAL_GDBFLAGS } {
# Avoid "set width 0" argument.
set INTERNAL_GDBFLAGS \
[string map {{-iex "set width 0"} ""} $INTERNAL_GDBFLAGS]
# Avoid "set width 0" in default_gdb_start.
gdb_exit
gdb_spawn
}
set test "startup prompt"
gdb_test_multiple "" $test {
-re "^$gdb_prompt $" {
pass "$test"
}
}
}
# Run tests with auto-detected screen width.
test_wrap_cli_tui 1
}
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