# Copyright (C) 2024 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 handling of unsized types.

load_lib rust-support.exp
require allow_rust_tests
require {can_compile rust}
require {rust_at_least 1.61}

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

set line [gdb_get_line_number "set breakpoint here"]
if {![runto ${srcfile}:$line]} {
    untested "could not run to breakpoint"
    return -1
}

set base_value \
    [string cat \
	 "MaybeUnsizedStruct<.*?>" \
	 [string_to_regexp " {regular: 23, rest: \[5, 6, 7\]}"]]

gdb_test "print *sized_struct" \
    " = .*$base_value"
gdb_test "print *nested_sized_struct" \
    " = .*MaybeUnsizedStruct<.*?> {regular: 91, rest: .*$base_value}"

gdb_test "print unsized_struct" \
    " = .*$base_value"
gdb_test "print *reference" \
    " = .*$base_value"

gdb_test "print nested_unsized_struct" \
    " = .*MaybeUnsizedStruct<.*?> {regular: 91, rest: .*$base_value}"

gdb_test "print alpha" \
    " = .*MaybeUnsizedStruct2<.*?> {value: \\\[97, 98, 99, 0\\\]}"
gdb_test "print beta" \
    " = .*MaybeUnsizedStruct2<.*?> {value: \\\[97, 98, 99, 0\\\]}"

gdb_test "print sized_struct.regular" " = 23"
gdb_test "print nested_unsized_struct.regular" " = 91"
gdb_test "print unsized_struct.rest\[1\]" " = 6"