# Copyright 2022-2023 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 the 'maint print frame-id' command.

standard_testfile

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

if {![runto_main]} {
    return -1
}

gdb_breakpoint foo
gdb_continue_to_breakpoint "run to foo"

proc get_frame_id { level } {
    set id "**unknown**"

    gdb_test_multiple "maint print frame-id ${level}" "" {
	-re "^maint print frame-id\[^\r\n\]+\r\n" {
	    exp_continue
	}

	-wrap -re "^frame-id for frame #\[0-9\]+: (\[^\r\n\]+)" {
	    set id $expect_out(1,string)
	    pass $gdb_test_name
	}
    }

    return $id
}

# Get the frame-id for each frame using the frame level.
array set ids {}
with_test_prefix "get id by level" {
    for { set i 0 } { $i < 4 } { incr i } {
	set ids($i) [get_frame_id $i]
    }
}

# Now get the frame-id of the currently selected frame, and check it
# matches the frame-id we got earlier.  Then move up the stack,
# selecting a new frame.
for { set i 0 } { $i < 4 } { incr i } {
    with_test_prefix "frame $i is current" {
	set id [get_frame_id ""]
	gdb_assert { [string equal $id $ids($i)] } \
	    "check frame-id matches"
    }
    gdb_test "up" ".*" \
	"move up from frame $i"
}