# Copyright 2017-2021 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/>.

# Test "continue" to breakpoints in different targets.  In non-stop
# mode, also tests "interrupt -a".

source $srcdir/$subdir/multi-target.exp.tcl

if {![multi_target_prepare]} {
    return
}

proc test_continue {non-stop} {
    if {![setup ${non-stop}]} {
	untested "setup failed"
	return
    }

    proc set_break {inf} {
	gdb_test "break function${inf} thread ${inf}.1" \
	"Breakpoint .* function${inf}\\..*"
    }

    # Select inferior INF, and then run to a breakpoint on inferior
    # INF+1.
    proc test_continue_inf {inf} {
	upvar 1 non-stop non-stop

	global gdb_prompt
	delete_breakpoints

	set next_inf [next_live_inferior $inf]

	gdb_test "inferior $inf" "Switching to inferior $inf.*"
	set_break $next_inf

	if {${non-stop} == "off"} {
	    gdb_test "continue" "hit Breakpoint .* function${next_inf}.*"
	} else {
	    set msg "continue"
	    gdb_test_multiple "continue -a&" $msg {
		-re "Continuing.*$gdb_prompt " {
		    pass $msg
		}
	    }

	    set msg "hit bp"
	    gdb_test_multiple "" $msg {
		-re "hit Breakpoint .* function${next_inf}" {
		    pass $msg
		}
	    }

	    set msg "stop all threads"
	    gdb_test_multiple "interrupt -a" $msg {
		-re "$gdb_prompt " {
		    for {set i 0} {$i < 7} {incr i} {
			set ok 0
			gdb_test_multiple "" $msg {
			    -re "Thread\[^\r\n\]*stopped\\." {
				set ok 1
			    }
			}
			if {!$ok} {
			    break
			}
		    }
		    gdb_assert $ok $msg
		}
	    }
	}
    }

    for {set i 1} {$i <= 5} {incr i} {
	if {$i == 3} {
	    # This is a core inferior.
	    continue
	}

	with_test_prefix "inf$i" {
	    test_continue_inf $i
	}
    }
}

# Some basic "continue" + breakpoints tests.
with_test_prefix "continue" {
    foreach_with_prefix non-stop {"off" "on"} {
	test_continue ${non-stop}
    }
}

multi_target_cleanup