gdb/testsuite/gdb.dap/hover.exp

# Copyright 2023-2025 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 DAP "hover" evaluation.

require allow_dap_tests

load_lib dap-support.exp

standard_testfile

if {[build_executable ${testfile}.exp $testfile] == -1} {
    return
}

if {[dap_initialize] == ""} {
    return
}

set launch_id [dap_launch $testfile]

set line [gdb_get_line_number "BREAK"]
set obj [dap_check_request_and_response "set breakpoint by line number" \
	     setBreakpoints \
	     [format {o source [o path [%s]] breakpoints [a [o line [i %d]]]} \
		  [list s $srcfile] $line]]
set line_bpno [dap_get_breakpoint_number $obj]

dap_check_request_and_response "configurationDone" configurationDone

dap_check_response "launch response" launch $launch_id

dap_wait_for_event_and_check "inferior started" thread "body reason" started

dap_wait_for_event_and_check "stopped at breakpoint" stopped \
    "body reason" breakpoint \
    "body hitBreakpointIds" $line_bpno

set obj [dap_check_request_and_response "evaluate global" \
	     evaluate {o expression [s global_variable]}]
dap_match_values "global value in function" [lindex $obj 0] \
    "body result" 23

set obj [dap_check_request_and_response "evaluate global as hex" \
	     evaluate {o expression [s global_variable] format [o hex [l true]]}]
dap_match_values "global value in function as hex" [lindex $obj 0] \
    "body result" 0x17

set obj [dap_check_request_and_response "evaluate global in hover mode" \
	     evaluate {o context [s hover] expression [s global_variable]}]
dap_match_values "global value in hover mode" [lindex $obj 0] \
    "body result" 23

set obj [dap_request_and_response \
	     evaluate {o context [s hover] expression [s increment()]}]
gdb_assert {[dict get [lindex $obj 0] success] == "false"} \
    "increment was rejected in hover mode"

dap_check_request_and_response "call increment" \
    evaluate {o expression [s increment()]}

set obj [dap_request_and_response \
	     evaluate {o context [s hover] \
			   expression [s "global_variable = -1"]}]
gdb_assert {[dict get [lindex $obj 0] success] == "false"} \
    "assignment was rejected in hover mode"

set obj [dap_check_request_and_response "evaluate global again" \
	     evaluate {o expression [s global_variable]}]
dap_match_values "global value incremented once" [lindex $obj 0] \
    "body result" 24

dap_shutdown