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path: root/gdb/testsuite/gdb.gdb/unittest.exp
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# Copyright 2016-2023 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/>.

# Do not run if gdb debug is enabled as maintenance output will be
# redirected to the log files.
require !gdb_debug_enabled

load_lib completion-support.exp

set do_xml_test [expr ![gdb_skip_xml_test]]

standard_testfile

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

proc run_selftests { binfile } {
    global decimal gdb_prompt

    if { $binfile == "" } {
	gdb_exit
	gdb_start
    } else {
	clean_restart ${binfile}
    }

    # Some of the selftests create temporary files in GDB's current
    # directory.  So, while running the selftests, switch to the
    # test's output directory to avoid leaving clutter in the
    # gdb/testsuite root directory.
    set dir [standard_output_file ""]
    set enabled 1
    set num_ran 0
    with_gdb_cwd $dir {
	set test "maintenance selftest"
	gdb_test_multiple $test $test {
	    -re ".*Running selftest \[^\n\r\]+\." {
		# The selftests can take some time to complete.  To prevent
		# timeout spot the 'Running ...' lines going past, so long as
		# these are produced quickly enough then the overall test will
		# not timeout.
		exp_continue
	    }
	    -re "Ran ($decimal) unit tests, ($decimal) failed\r\n$gdb_prompt $" {
		set num_ran $expect_out(1,string)
		set num_failed $expect_out(2,string)
		gdb_assert "$num_ran > 0" "$test, ran some tests"
		gdb_assert "$num_failed == 0" "$test, failed none"
	    }
	    -re "Selftests have been disabled for this build.\r\n$gdb_prompt $" {
		unsupported $test
		set num_ran 0
		set enabled 0
	    }
	}
    }

    return [list $enabled $num_ran]
}

# Test completion of command "maintenance selftest".

proc_with_prefix test_completion {} {
    global self_tests_enabled

    clean_restart

    if { $self_tests_enabled } {
	test_gdb_complete_tab_multiple "maintenance selftest copy" "_" \
	    {copy_bitwise copy_integer_to_size}
	test_gdb_complete_tab_unique "maintenance selftest copy_bit" \
	    "maintenance selftest copy_bitwise" " "
    } else {
	test_gdb_complete_tab_none "maintenance selftest copy_"
	test_gdb_complete_tab_none "maintenance selftest copy_bit"
    }
    test_gdb_complete_tab_unique "maintenance selftest -ver" "maintenance selftest -verbose" " "
    test_gdb_complete_tab_none "maintenance selftest name_that_does_not_exist"
}

with_test_prefix "no executable loaded" {
    set res [run_selftests ""]
    set self_tests_enabled [lindex $res 0]
    set num_ran [lindex $res 1]
}

if { $self_tests_enabled && ![is_remote host] } {
    # Check that we have the same amount of selftests whatever the
    # initialization order of GDB.
    with_test_prefix "reversed initialization" {
	save_vars { env(GDB_REVERSE_INIT_FUNCTIONS) } {
	    if [info exists env(GDB_REVERSE_INIT_FUNCTIONS)] {
		unset env(GDB_REVERSE_INIT_FUNCTIONS)
	    } else {
		set env(GDB_REVERSE_INIT_FUNCTIONS) 1
	    }

	    set res [run_selftests ""]
	    gdb_assert "$num_ran == [lindex $res 1]" \
		"selftest not dependent on initialization order"
	}
    }
}

with_test_prefix "executable loaded" {
    run_selftests ${binfile}
}

test_completion

if { ![is_remote host] && $do_xml_test } {
    gdb_test "maintenance check xml-descriptions ${srcdir}/../features" \
	"Tested $decimal XML files, 0 failed" \
	"maintenance check xml-descriptions \${srcdir}/../features"
}