# Copyright 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/>.

# This file tests GDB's limited length array printing.

load_lib "fortran.exp"

require allow_fortran_tests

standard_testfile .f90

if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug f90}]} {
    return -1
}

if {![fortran_runto_main]} {
    perror "Could not run to main."
    continue
}

gdb_breakpoint [gdb_get_line_number "Break Here"]
gdb_continue_to_breakpoint "stop-here" ".*Break Here.*"

with_test_prefix "with standard max-value size" {
    gdb_test "print large_4d_array" \
	" = \\(\\(\\(\\(1, 2, 3\\) \\(4, 5, 6\\) \\(7, 8, 9\\)\\)\
		  \\(\\(10, 11, 12\\) \\(13, 14, 15\\) \\(16, 17, 18\\)\\)\
		  \\(\\(19, 20, 21\\) \\(22, 23, 24\\) \\(25, 26, 27\\)\\)\\)\
	       \\(\\(\\(28, 29, 30\\) \\(31, 32, 33\\) \\(34, 35, 36\\)\\)\
		  \\(\\(37, 38, 39\\) \\(40, 41, 42\\) \\(43, 44, 45\\)\\)\
		  \\(\\(46, 47, 48\\) \\(49, 50, 51\\) \\(52, 53, 54\\)\\)\\)\
	       \\(\\(\\(55, 56, 57\\) \\(58, 59, 60\\) \\(61, 62, 63\\)\\)\
		  \\(\\(64, 65, 66\\) \\(67, 68, 69\\) \\(70, 71, 72\\)\\)\
		  \\(\\(73, 74, 75\\) \\(76, 77, 78\\)\
		     \\(79, 80, 81\\)\\)\\)\\)"
    gdb_test -nonl "output large_4d_array" \
	"\\(\\(\\(\\(1, 2, 3\\) \\(4, 5, 6\\) \\(7, 8, 9\\)\\)\
	       \\(\\(10, 11, 12\\) \\(13, 14, 15\\) \\(16, 17, 18\\)\\)\
	       \\(\\(19, 20, 21\\) \\(22, 23, 24\\) \\(25, 26, 27\\)\\)\\)\
	    \\(\\(\\(28, 29, 30\\) \\(31, 32, 33\\) \\(34, 35, 36\\)\\)\
	       \\(\\(37, 38, 39\\) \\(40, 41, 42\\) \\(43, 44, 45\\)\\)\
	       \\(\\(46, 47, 48\\) \\(49, 50, 51\\) \\(52, 53, 54\\)\\)\\)\
	    \\(\\(\\(55, 56, 57\\) \\(58, 59, 60\\) \\(61, 62, 63\\)\\)\
	       \\(\\(64, 65, 66\\) \\(67, 68, 69\\) \\(70, 71, 72\\)\\)\
	       \\(\\(73, 74, 75\\) \\(76, 77, 78\\) \\(79, 80, 81\\)\\)\\)\\)"
    gdb_test "print large_1d_array" \
	" = \\(1, 2, 3, 4, 5, 6, 7, 8, 9,\
	       10, 11, 12, 13, 14, 15, 16, 17, 18,\
	       19, 20, 21, 22, 23, 24, 25, 26, 27,\
	       28, 29, 30, 31, 32, 33, 34, 35, 36,\
	       37, 38, 39, 40, 41, 42, 43, 44, 45,\
	       46, 47, 48, 49, 50, 51, 52, 53, 54,\
	       55, 56, 57, 58, 59, 60, 61, 62, 63,\
	       64, 65, 66, 67, 68, 69, 70, 71, 72,\
	       73, 74, 75, 76, 77, 78, 79, 80, 81\\)"
    gdb_test -nonl "output large_1d_array" \
	"\\(1, 2, 3, 4, 5, 6, 7, 8, 9,\
	    10, 11, 12, 13, 14, 15, 16, 17, 18,\
	    19, 20, 21, 22, 23, 24, 25, 26, 27,\
	    28, 29, 30, 31, 32, 33, 34, 35, 36,\
	    37, 38, 39, 40, 41, 42, 43, 44, 45,\
	    46, 47, 48, 49, 50, 51, 52, 53, 54,\
	    55, 56, 57, 58, 59, 60, 61, 62, 63,\
	    64, 65, 66, 67, 68, 69, 70, 71, 72,\
	    73, 74, 75, 76, 77, 78, 79, 80, 81\\)"
}

# Set the max-value-size so we can only print 50 elements.
set elements 50
set elem_size [get_valueof "/d" "sizeof(large_1d_array(1))" "*unknown*"]
gdb_test_no_output "set max-value-size [expr $elem_size * $elements]"

with_test_prefix "with reduced max-value size" {
    gdb_test "print large_4d_array" \
	"value requires $decimal bytes, which is more than max-value-size"
    gdb_test "output large_4d_array" \
	"value requires $decimal bytes, which is more than max-value-size"
    gdb_test "print large_1d_array" \
	"value requires $decimal bytes, which is more than max-value-size"
    gdb_test "output large_1d_array" \
	"value requires $decimal bytes, which is more than max-value-size"
}

with_test_prefix "with reduced print -elements flag" {
    gdb_test "print -elements 5 -- large_4d_array" \
	" = \\(\\(\\(\\(1, 2, 3\\) \\(4, 5, \\.\\.\\.\\)\
		     \\.\\.\\.\\) \\.\\.\\.\\) \\.\\.\\.\\)"
    gdb_test "print -elements 5 -- large_1d_array" \
	" = \\(1, 2, 3, 4, 5, \\.\\.\\.\\)"
}

gdb_test_no_output "set print elements 5"

with_test_prefix "with reduced print elements" {
    gdb_test "print large_4d_array" \
	" = \\(\\(\\(\\(1, 2, 3\\) \\(4, 5, \\.\\.\\.\\)\
		     \\.\\.\\.\\) \\.\\.\\.\\) \\.\\.\\.\\)"
    gdb_test -nonl "output large_4d_array" \
	"\\(\\(\\(\\(1, 2, 3\\) \\(4, 5, \\.\\.\\.\\)\
		  \\.\\.\\.\\) \\.\\.\\.\\) \\.\\.\\.\\)"

    gdb_test "print \$" \
	" = \\(\\(\\(\\(1, 2, 3\\) \\(4, 5, \\.\\.\\.\\)\
		     \\.\\.\\.\\) \\.\\.\\.\\) \\.\\.\\.\\)" \
	"print large_4d_array from history"
    gdb_test -nonl "output \$\$" \
	"\\(\\(\\(\\(1, 2, 3\\) \\(4, 5, \\.\\.\\.\\)\
		  \\.\\.\\.\\) \\.\\.\\.\\) \\.\\.\\.\\)" \
	"output large_4d_array from history"

    gdb_test "print large_1d_array" \
	" = \\(1, 2, 3, 4, 5, \\.\\.\\.\\)"
    gdb_test -nonl "output large_1d_array" \
	"\\(1, 2, 3, 4, 5, \\.\\.\\.\\)"

    gdb_test "print \$" \
	" = \\(1, 2, 3, 4, 5, \\.\\.\\.\\)" \
	"print large_1d_array from history"
    gdb_test -nonl "output \$\$" \
	"\\(1, 2, 3, 4, 5, \\.\\.\\.\\)" \
	"output large_1d_array from history"
}

gdb_test_no_output "set print elements $elements"

with_test_prefix "with print elements matching max-value size" {
    gdb_test "print \$\$2" \
	" = \\(\\(\\(\\(1, 2, 3\\) \\(4, 5, 6\\) \\(7, 8, 9\\)\\)\
		  \\(\\(10, 11, 12\\) \\(13, 14, 15\\) \\(16, 17, 18\\)\\)\
		  \\(\\(19, 20, 21\\) \\(22, 23, 24\\) \\(25, 26, 27\\)\\)\\)\
	       \\(\\(\\(28, 29, 30\\) \\(31, 32, 33\\) \\(34, 35, 36\\)\\)\
		  \\(\\(37, 38, 39\\) \\(40, 41, 42\\) \\(43, 44, 45\\)\\)\
		  \\(\\(46, 47, 48\\) \\(49, 50, \\.\\.\\.\\) \\.\\.\\.\\)\\)\
	       \\.\\.\\.\\)" \
	"print large_4d_array from history"
    gdb_test -nonl "output \$\$3" \
	"\\(\\(\\(\\(1, 2, 3\\) \\(4, 5, 6\\) \\(7, 8, 9\\)\\)\
	       \\(\\(10, 11, 12\\) \\(13, 14, 15\\) \\(16, 17, 18\\)\\)\
	       \\(\\(19, 20, 21\\) \\(22, 23, 24\\) \\(25, 26, 27\\)\\)\\)\
	    \\(\\(\\(28, 29, 30\\) \\(31, 32, 33\\) \\(34, 35, 36\\)\\)\
	       \\(\\(37, 38, 39\\) \\(40, 41, 42\\) \\(43, 44, 45\\)\\)\
	       \\(\\(46, 47, 48\\) \\(49, 50, \\.\\.\\.\\) \\.\\.\\.\\)\\)\
	    \\.\\.\\.\\)" \
	"output large_4d_array from history"

    gdb_test "print \$\$2" \
	" = \\(1, 2, 3, 4, 5, 6, 7, 8, 9,\
	       10, 11, 12, 13, 14, 15, 16, 17, 18,\
	       19, 20, 21, 22, 23, 24, 25, 26, 27,\
	       28, 29, 30, 31, 32, 33, 34, 35, 36,\
	       37, 38, 39, 40, 41, 42, 43, 44, 45,\
	       46, 47, 48, 49, 50, \\.\\.\\.\\)" \
	"print large_1d_array from history"
    gdb_test -nonl "output \$\$2" \
	"\\(1, 2, 3, 4, 5, 6, 7, 8, 9,\
	    10, 11, 12, 13, 14, 15, 16, 17, 18,\
	    19, 20, 21, 22, 23, 24, 25, 26, 27,\
	    28, 29, 30, 31, 32, 33, 34, 35, 36,\
	    37, 38, 39, 40, 41, 42, 43, 44, 45,\
	    46, 47, 48, 49, 50, \\.\\.\\.\\)" \
	"output large_1d_array from history"
}

gdb_test_no_output "set max-value-size unlimited"
gdb_test_no_output "set print elements unlimited"
gdb_test_no_output "set print repeats 2"

with_test_prefix "with unlimited print elements" {
    gdb_test "print \$\$" \
	" = \\(\\(\\(\\(1, 2, 3\\) \\(4, 5, 6\\) \\(7, 8, 9\\)\\)\
		  \\(\\(10, 11, 12\\) \\(13, 14, 15\\) \\(16, 17, 18\\)\\)\
		  \\(\\(19, 20, 21\\) \\(22, 23, 24\\) \\(25, 26, 27\\)\\)\\)\
	       \\(\\(\\(28, 29, 30\\) \\(31, 32, 33\\) \\(34, 35, 36\\)\\)\
		  \\(\\(37, 38, 39\\) \\(40, 41, 42\\) \\(43, 44, 45\\)\\)\
		  \\(\\(46, 47, 48\\) \\(49, 50, <unavailable>\\)\
		     \\(<unavailable>, <repeats 3 times>\\)\\)\\)\
	       \\(\\(\\(<unavailable>, <repeats 3 times>\\)\
		     <repeats 3 times>\\) <repeats 3 times>\\)\\)" \
	"print large_4d_array from history"
    gdb_test -nonl "output \$\$2" \
	"\\(\\(\\(\\(1, 2, 3\\) \\(4, 5, 6\\) \\(7, 8, 9\\)\\)\
	       \\(\\(10, 11, 12\\) \\(13, 14, 15\\) \\(16, 17, 18\\)\\)\
	       \\(\\(19, 20, 21\\) \\(22, 23, 24\\) \\(25, 26, 27\\)\\)\\)\
	    \\(\\(\\(28, 29, 30\\) \\(31, 32, 33\\) \\(34, 35, 36\\)\\)\
	       \\(\\(37, 38, 39\\) \\(40, 41, 42\\) \\(43, 44, 45\\)\\)\
	       \\(\\(46, 47, 48\\) \\(49, 50, <unavailable>\\)\
		  \\(<unavailable>, <repeats 3 times>\\)\\)\\)\
	    \\(\\(\\(<unavailable>, <repeats 3 times>\\)\
		  <repeats 3 times>\\) <repeats 3 times>\\)\\)" \
	"output large_4d_array from history"

    gdb_test "print \$\$" \
	" = \\(1, 2, 3, 4, 5, 6, 7, 8, 9,\
	       10, 11, 12, 13, 14, 15, 16, 17, 18,\
	       19, 20, 21, 22, 23, 24, 25, 26, 27,\
	       28, 29, 30, 31, 32, 33, 34, 35, 36,\
	       37, 38, 39, 40, 41, 42, 43, 44, 45,\
	       46, 47, 48, 49, 50, <unavailable>, <repeats 31 times>\\)" \
	"print large_1d_array from history"
    gdb_test -nonl "output \$\$2" \
	"\\(1, 2, 3, 4, 5, 6, 7, 8, 9,\
	    10, 11, 12, 13, 14, 15, 16, 17, 18,\
	    19, 20, 21, 22, 23, 24, 25, 26, 27,\
	    28, 29, 30, 31, 32, 33, 34, 35, 36,\
	    37, 38, 39, 40, 41, 42, 43, 44, 45,\
	    46, 47, 48, 49, 50, <unavailable>, <repeats 31 times>\\)" \
	"output large_1d_array from history"
}