gdb/testsuite/gdb.python/py-nested-maps.exp

# Copyright (C) 2019-2021 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/>.

# This tests GDB's python pretty printing of nested map like
# structures using structures as keys and values, it then tests how
# 'set print max-depth' affects this printing.

load_lib gdb-python.exp

standard_testfile

# Start with a fresh gdb.
gdb_exit
gdb_start

# Skip all tests if Python scripting is not enabled.
if { [skip_python_tests] } { continue }

standard_testfile

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

if ![runto_main ] then {
    return -1
}

gdb_breakpoint [gdb_get_line_number "Break here"]
gdb_continue_to_breakpoint "run to testing point" ".*Break here.*"

set remote_python_file [gdb_remote_download host \
			    ${srcdir}/${subdir}/${testfile}.py]
gdb_test_no_output "source ${remote_python_file}" "load python file"

# Test printing with 'set print pretty off'.
gdb_test_no_output "set print pretty off"
with_test_prefix "pretty=off" {
    gdb_print_expr_at_depths "*m1" \
	[list \
	     "\{\\.\\.\\.\}" \
	     "\{\\\[\{a = 3, b = 4\}\\\] = \{\\.\\.\\.\}, \\\[\{a = 4, b = 5\}\\\] = \{\\.\\.\\.\}, \\\[\{a = 5, b = 6\}\\\] = \{\\.\\.\\.\}\}" \
	     "\{\\\[\{a = 3, b = 4\}\\\] = \{x = 0, y = 1, z = 2\}, \\\[\{a = 4, b = 5\}\\\] = \{x = 3, y = 4, z = 5\}, \\\[\{a = 5, b = 6\}\\\] = \{x = 6, y = 7, z = 8\}\}" \
	    ]

    gdb_print_expr_at_depths "*mm" \
	[list \
	     "\{\\.\\.\\.\}" \
	     "\{\\\[$hex \"m1\"\\\] = \{\\.\\.\\.\}, \\\[$hex \"m2\"\\\] = \{\\.\\.\\.\}\}" \
	     "\{\\\[$hex \"m1\"\\\] = \{\\\[\{a = 3, b = 4\}\\\] = \{\\.\\.\\.\}, \\\[\{a = 4, b = 5\}\\\] = \{\\.\\.\\.\}, \\\[\{a = 5, b = 6\}\\\] = \{\\.\\.\\.\}\}, \\\[$hex \"m2\"\\\] = \{\\\[\{a = 6, b = 7\}\\\] = \{\\.\\.\\.\}, \\\[\{a = 7, b = 8\}\\\] = \{\\.\\.\\.\}, \\\[\{a = 8, b = 9\}\\\] = \{\\.\\.\\.\}\}\}" \
	     "\{\\\[$hex \"m1\"\\\] = \{\\\[\{a = 3, b = 4\}\\\] = \{x = 0, y = 1, z = 2\}, \\\[\{a = 4, b = 5\}\\\] = \{x = 3, y = 4, z = 5\}, \\\[\{a = 5, b = 6\}\\\] = \{x = 6, y = 7, z = 8\}\}, \\\[$hex \"m2\"\\\] = \{\\\[\{a = 6, b = 7\}\\\] = \{x = 9, y = 0, z = 1\}, \\\[\{a = 7, b = 8\}\\\] = \{x = 2, y = 3, z = 4\}, \\\[\{a = 8, b = 9\}\\\] = \{x = 5, y = 6, z = 7\}\}\}" \
	    ]
}

# Now again, but with 'set print pretty on'.
gdb_test_no_output "set print pretty on"
with_test_prefix "pretty=on" {
    gdb_print_expr_at_depths "*m1" \
	[list \
	     "\{\\.\\.\\.\}" \
	     [multi_line \
		  " = \{" \
		  "  \\\[\{" \
		  "    a = 3," \
		  "    b = 4" \
		  "  \}\\\] = \{\\.\\.\\.\}," \
		  "  \\\[\{" \
		  "    a = 4," \
		  "    b = 5" \
		  "  \}\\\] = \{\\.\\.\\.\}," \
		  "  \\\[\{" \
		  "    a = 5," \
		  "    b = 6" \
		  "  \}\\\] = \{\\.\\.\\.\}" \
		  "\}" ] \
	     [multi_line \
		  " = \{" \
		  "  \\\[\{" \
		  "    a = 3," \
		  "    b = 4" \
		  "  \}\\\] = \{" \
		  "    x = 0," \
		  "    y = 1," \
		  "    z = 2" \
		  "  \}," \
		  "  \\\[\{" \
		  "    a = 4," \
		  "    b = 5" \
		  "  \}\\\] = \{" \
		  "    x = 3," \
		  "    y = 4," \
		  "    z = 5" \
		  "  \}," \
		  "  \\\[\{" \
		  "    a = 5," \
		  "    b = 6" \
		  "  \}\\\] = \{" \
		  "    x = 6," \
		  "    y = 7," \
		  "    z = 8" \
		  "  \}" \
		  "\}" ] \
	    ]

     gdb_print_expr_at_depths "*mm" \
	[list \
	     "\{\\.\\.\\.\}" \
	     [multi_line \
		  " = \{" \
		  "  \\\[$hex \"m1\"\\\] = \{\\.\\.\\.\}," \
		  "  \\\[$hex \"m2\"\\\] = \{\\.\\.\\.\}" \
		  "\}" ] \
	     [multi_line \
		  " = \{" \
		  "  \\\[$hex \"m1\"\\\] = \{" \
		  "    \\\[\{" \
		  "      a = 3," \
		  "      b = 4" \
		  "    \}\\\] = \{\\.\\.\\.\}," \
		  "    \\\[\{" \
		  "      a = 4," \
		  "      b = 5" \
		  "    \}\\\] = \{\\.\\.\\.\}," \
		  "    \\\[\{" \
		  "      a = 5," \
		  "      b = 6" \
		  "    \}\\\] = \{\\.\\.\\.\}" \
		  "  \}," \
		  "  \\\[$hex \"m2\"\\\] = \{" \
		  "    \\\[\{" \
		  "      a = 6," \
		  "      b = 7" \
		  "    \}\\\] = \{\\.\\.\\.\}," \
		  "    \\\[\{" \
		  "      a = 7," \
		  "      b = 8" \
		  "    \}\\\] = \{\\.\\.\\.\}," \
		  "    \\\[\{" \
		  "      a = 8," \
		  "      b = 9" \
		  "    \}\\\] = \{\\.\\.\\.\}" \
		  "  \}" \
		  "\}" ] \
	     [multi_line \
		  " = \{" \
		  "  \\\[$hex \"m1\"\\\] = \{" \
		  "    \\\[\{" \
		  "      a = 3," \
		  "      b = 4" \
		  "    \}\\\] = \{" \
		  "      x = 0," \
		  "      y = 1," \
		  "      z = 2" \
		  "    \}," \
		  "    \\\[\{" \
		  "      a = 4," \
		  "      b = 5" \
		  "    \}\\\] = \{" \
		  "      x = 3," \
		  "      y = 4," \
		  "      z = 5" \
		  "    \}," \
		  "    \\\[\{" \
		  "      a = 5," \
		  "      b = 6" \
		  "    \}\\\] = \{" \
		  "      x = 6," \
		  "      y = 7," \
		  "      z = 8" \
		  "    \}" \
		  "  \}," \
		  "  \\\[$hex \"m2\"\\\] = \{" \
		  "    \\\[\{" \
		  "      a = 6," \
		  "      b = 7" \
		  "    \}\\\] = \{" \
		  "      x = 9," \
		  "      y = 0," \
		  "      z = 1" \
		  "    \}," \
		  "    \\\[\{" \
		  "      a = 7," \
		  "      b = 8" \
		  "    \}\\\] = \{" \
		  "      x = 2," \
		  "      y = 3," \
		  "      z = 4" \
		  "    \}," \
		  "    \\\[\{" \
		  "      a = 8," \
		  "      b = 9" \
		  "    \}\\\] = \{" \
		  "      x = 5," \
		  "      y = 6," \
		  "      z = 7" \
		  "    \}" \
		  "  \}" \
		  "\}" ] \
	    ]
}

# Test printing with 'set print pretty off', but this time display a
# top level string (returned from the to_string method) as part of the
# printed value.
gdb_test_no_output "set mm->show_header=1"
gdb_test_no_output "set m1->show_header=1"
gdb_test_no_output "set m2->show_header=1"
with_test_prefix "headers=on" {
    gdb_test_no_output "set print pretty off"
    with_test_prefix "pretty=off" {
	gdb_print_expr_at_depths "*m1" \
	    [list \
		 "pp_map = \{\\.\\.\\.\}" \
		 "pp_map = \{\\\[\{a = 3, b = 4\}\\\] = \{\\.\\.\\.\}, \\\[\{a = 4, b = 5\}\\\] = \{\\.\\.\\.\}, \\\[\{a = 5, b = 6\}\\\] = \{\\.\\.\\.\}\}" \
		 "pp_map = \{\\\[\{a = 3, b = 4\}\\\] = \{x = 0, y = 1, z = 2\}, \\\[\{a = 4, b = 5\}\\\] = \{x = 3, y = 4, z = 5\}, \\\[\{a = 5, b = 6\}\\\] = \{x = 6, y = 7, z = 8\}\}" \
		]

	gdb_print_expr_at_depths "*mm" \
	    [list \
		 "pp_map_map = \{\\.\\.\\.\}" \
		 "pp_map_map = \{\\\[$hex \"m1\"\\\] = pp_map = \{\\.\\.\\.\}, \\\[$hex \"m2\"\\\] = pp_map = \{\\.\\.\\.\}\}" \
		 "pp_map_map = \{\\\[$hex \"m1\"\\\] = pp_map = \{\\\[\{a = 3, b = 4\}\\\] = \{\\.\\.\\.\}, \\\[\{a = 4, b = 5\}\\\] = \{\\.\\.\\.\}, \\\[\{a = 5, b = 6\}\\\] = \{\\.\\.\\.\}\}, \\\[$hex \"m2\"\\\] = pp_map = \{\\\[\{a = 6, b = 7\}\\\] = \{\\.\\.\\.\}, \\\[\{a = 7, b = 8\}\\\] = \{\\.\\.\\.\}, \\\[\{a = 8, b = 9\}\\\] = \{\\.\\.\\.\}\}\}" \
		 "pp_map_map = \{\\\[$hex \"m1\"\\\] = pp_map = \{\\\[\{a = 3, b = 4\}\\\] = \{x = 0, y = 1, z = 2\}, \\\[\{a = 4, b = 5\}\\\] = \{x = 3, y = 4, z = 5\}, \\\[\{a = 5, b = 6\}\\\] = \{x = 6, y = 7, z = 8\}\}, \\\[$hex \"m2\"\\\] = pp_map = \{\\\[\{a = 6, b = 7\}\\\] = \{x = 9, y = 0, z = 1\}, \\\[\{a = 7, b = 8\}\\\] = \{x = 2, y = 3, z = 4\}, \\\[\{a = 8, b = 9\}\\\] = \{x = 5, y = 6, z = 7\}\}\}" \
		]
    }
}