gdb/testsuite/gdb.base/set-lang-auto.exp

# Copyright 2008-2021 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
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standard_testfile start.c

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

# Do not run the inferior as the purpose of this testcase is to test
# the behavior of the "set language" command when there is no inferior.

# Check the language after the binary has been loaded.  It should be
# "auto; currently c".
gdb_test "show lang" \
         "The current source language is \"auto; currently c\"\\." \
         "show lang after loading binary"

# Now, switch the language to a specific language, instead of leaving it
# on auto.
gdb_test_no_output "set lang ada" \
         "forcing the language to ada"

# Verify that the language is now "ada".
gdb_test "show lang" \
         "The current source language is \"ada\"\\." \
         "show lang after switching language to ada"

# Then, switch back to auto...
gdb_test_no_output "set lang auto" \
         "switching the language back to auto"

# ... And verify that the language mode is back to auto *and* that
# the selected language is C.

gdb_test "show lang" \
         "The current source language is \"auto; currently c\"\\." \
         "show lang after having switched back to auto"