# 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
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

load_lib "ada.exp"

if { [skip_ada_tests] } { return -1 }

standard_ada_testfile comp_bug

# Note we don't test the "none" (no -fgnat-encodings option) scenario
# here, because "all" and "minimal" cover the cases, and this way we
# don't have to update the test when gnat changes its default.
foreach_with_prefix scenario {all minimal} {
    set flags {debug}
    if {$scenario != "none"} {
	lappend flags additional_flags=-fgnat-encodings=$scenario
    }

    if {[gdb_compile_ada "${srcfile}" "${binfile}" executable $flags] != ""} {
	return -1
    }

    clean_restart ${testfile}

    set bp_location [gdb_get_line_number "STOP" ${testdir}/comp_bug.adb]
    runto "comp_bug.adb:$bp_location"

    set pass_re \
	"= \\(exists => true, value => 10\\)"
    # There is a compiler bug that causes this output.
    set kfail_re \
	"= \\(exists => true\\)"

    gdb_test_multiple "print x" "" {
	-re -wrap $pass_re {
	    pass $gdb_test_name
	}
	-re -wrap $kfail_re {
	    if {$scenario == "minimal"} {
		setup_xfail "gnat compiler bug" *-*-*
	    }
	    fail $gdb_test_name
	}
    }

    set pass_re \
	[multi_line "type = record" \
	     "    exists: (boolean|range false \\.\\. true);" \
	     "    case exists is" \
	     "        when true =>" \
	     "            value: range 0 \\.\\. 255;" \
	     "        when others => null;" \
	     "    end case;" \
	     "end record" ]
    # There is a compiler bug that causes this output.
    set kfail_re \
	[multi_line "type = record" \
	     "    exists: (boolean|range false \\.\\. true);" \
	     "    case \\? is" \
	     "        when others =>" \
	     "            value: range 0 \\.\\. 255;" \
	     "        when others => null;" \
	     "    end case;" \
	     "end record" ]

    gdb_test_multiple "ptype x" "" {
	-re -wrap $pass_re {
	    pass $gdb_test_name
	}
	-re -wrap $kfail_re {
	    if {$scenario == "minimal"} {
		setup_xfail "gnat compiler bug" *-*-*
	    }
	    fail $gdb_test_name
	}
    }
}