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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [gdb/] [testsuite/] [gdb.base/] [readline.exp] - Rev 840

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# Copyright 2002, 2003, 2007, 2008 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/>.

# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu

# This file was written by Tom Tromey <tromey@redhat.com>

# This file is part of the gdb testsuite.

#
# Tests for readline operations.
#

# This function is used to test operate-and-get-next.
# NAME is the name of the test.
# ARGS is a list of alternating commands and expected results.
proc operate_and_get_next {name args} {
  global gdb_prompt

  set my_gdb_prompt "($gdb_prompt| >)"

  set reverse {}
  foreach {item result} $args {
    verbose "sending $item"
    sleep 1

    # We can't use gdb_test here because we might see a " >" prompt.
    set status 0
    send_gdb "$item\n"
    gdb_expect {
      -re "$item" {
        # Ok
      }
      timeout {
        set status 1
      }
    }

    if {! $status} {
      gdb_expect {
        -re "$result" {
          # Ok.
        }
        timeout {
          set status 1
        }
      }
    }

    if {$status} {
      fail "$name - send $item"
      return 0
    }
    pass "$name - send $item"

    set reverse [linsert $reverse 0 $item $result]
  }

  # Now use C-p to go back to the start.
  foreach {item result} $reverse {
    # Actually send C-p followed by C-l.  This lets us recognize the
    # command when gdb prints it again.
    send_gdb "\x10\x0c"
    set status 0
    gdb_expect {
      -re "$item" {
        # Ok
      }
      timeout {
        set status 1
      }
    }
    if {$status} {
      fail "$name - C-p to $item"
      return 0
    }
    pass "$name - C-p to $item"
  }

  # Now C-o through the list.  Don't send the command, since it is
  # already there.  Strip off the first command from the list so we
  # can see the next command inside the loop.
  set count 0
  foreach {item result} $args {
    set status 0

    # If this isn't the first item, make sure we see the command at
    # the prompt.
    if {$count > 0} {
      gdb_expect {
        -re ".*$item" {
          # Ok
        }
        timeout {
          set status 1
        }
      }
    }

    if {! $status} {
      # For the last item, send a simple \n instead of C-o.
      if {$count == [llength $args] - 2} {
        send_gdb "\n"
      } else {
        # 15 is C-o.
        send_gdb [format %c 15]
      }
      set status 0
      gdb_expect {
        -re "$result" {
          # Ok
        }
        timeout {
          set status 1
        }
      }
    }

    if {$status} {
      fail "$name - C-o for $item"
      return 0
    }
    pass "$name - C-o for $item"

    set count [expr {$count + 2}]
  }

  # Match the prompt so the next test starts at the right place.
  gdb_test "" "" "$name - final prompt"

  return 1
}


if $tracelevel {
  strace $tracelevel
}

# Don't let a .inputrc file or an existing setting of INPUTRC mess up
# the test results.  Even if /dev/null doesn't exist on the particular
# platform, the readline library will use the default setting just by
# failing to open the file.  OTOH, opening /dev/null successfully will
# also result in the default settings being used since nothing will be
# read from this file.
global env
if [info exists env(INPUTRC)] {
    set old_inputrc $env(INPUTRC)
}
set env(INPUTRC) "/dev/null"

# The arrow key test relies on the standard VT100 bindings, so make
# sure that an appropriate terminal is selected.  The same bug
# doesn't show up if we use ^P / ^N instead.
if [info exists env(TERM)] {
    set old_term $env(TERM)
}
set env(TERM) "vt100"

gdb_start
gdb_reinitialize_dir $srcdir/$subdir

set oldtimeout1 $timeout
set timeout 30


# A simple test of operate-and-get-next.
operate_and_get_next "Simple operate-and-get-next" \
  "p 1" ".* = 1" \
  "p 2" ".* = 2" \
  "p 3" ".* = 3"

# Test operate-and-get-next with a secondary prompt.
operate_and_get_next "operate-and-get-next with secondary prompt" \
  "if 1 > 0" "" \
  "p 5" "" \
  "end" ".* = 5"

# Verify that arrow keys work in secondary prompts.  The control
# sequence is a hard-coded VT100 up arrow.
gdb_test "print 42" "\\\$\[0-9\]* = 42"
set msg "arrow keys with secondary prompt"
gdb_test_multiple "if 1 > 0\n\033\[A\033\[A\nend" $msg {
    -re ".*\\\$\[0-9\]* = 42\r\n$gdb_prompt $" {
        pass $msg
    }
    -re ".*Undefined command:.*$gdb_prompt $" {
        fail $msg
    }
}

# Now repeat the first test with a history file that fills the entire
# history list.

if [info exists env(GDBHISTFILE)] {
    set old_gdbhistfile $env(GDBHISTFILE)
}
if [info exists env(HISTSIZE)] {
    set old_histsize $env(HISTSIZE)
}
set env(GDBHISTFILE) "${srcdir}/${subdir}/gdb_history"
set env(HISTSIZE) "10"

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir

operate_and_get_next "Simple operate-and-get-next" \
  "p 7" ".* = 7" \
  "p 8" ".* = 8" \
  "p 9" ".* = 9"


# Restore globals modified in this test...
if [info exists old_inputrc] {
    set env(INPUTRC) $old_inputrc
} else {
    unset env(INPUTRC)
}
if [info exists old_gdbhistfile] {
    set env(GDBHISTFILE) $old_gdbhistfile
} else {
    unset env(GDBHISTFILE)
}
if [info exists old_histsize] {
    set env(HISTSIZE) $old_histsize
} else {
    unset env(HISTSIZE)
}
set timeout $oldtimeout1

return 0

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