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# Copyright 2003-2023 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 was written by Adam Fedor (fedor@gnu.org)
standard_testfile .m
#
# Objective-C program compilation isn't standard. We need to figure out
# which libraries to link in. Most of the time it uses pthread
#
if {[gdb_compile_objc "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug ]] != "" } {
return -1
}
#
# Deduce language of main()
#
proc deduce_language_of_main {} {
global gdb_prompt
# See what language gdb thinks main() is, prior to reading full symbols.
# I think this fails for COFF targets.
send_gdb "show language\n"
gdb_expect {
-re ".* source language is \"auto; currently objective-c\".*$gdb_prompt $" {
pass "deduced language is Objective-C, before full symbols"
}
-re ".*$gdb_prompt $" {
fail "source language not correct for Objective-C (psymtabs only)"
return
}
timeout {
fail "can't show language (timeout)"
return
}
}
runto_main
# See if our idea of the language has changed.
send_gdb "show language\n"
gdb_expect {
-re ".* source language is \"auto; currently objective-c\".*$gdb_prompt $" {
pass "deduced language is Objective-C, after full symbols"
}
-re ".*$gdb_prompt $" {
fail "source language not correct for Objective-C (full symbols)"
return
}
timeout {
fail "can't show language (timeout)"
return
}
}
}
proc do_objc_tests {} {
global subdir
global srcdir
global binfile
global gdb_prompt
# Start with a fresh gdb.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load $binfile
deduce_language_of_main
}
do_objc_tests
#
# Breakpoint tests
#
# Disable pending breakpoint query to avoid timeouts
# if Obj-C symbols cannot be found
gdb_test "set breakpoint pending off" "" "set breakpoint pending"
gdb_test "break doIt" \
"Breakpoint.*at.* file .*$srcfile, line.29.*" \
"breakpoint method"
gdb_test "break takeArg:" \
"Breakpoint.*at.* file .*$srcfile, line.34.*" \
"breakpoint method with colon"
gdb_test "break newWithArg:" \
"Breakpoint.*at.* file .*$srcfile, line.22.*" \
"breakpoint class method with colon"
#
# Continue until breakpoint (test re-setting breakpoint)
#
gdb_test continue \
"Continuing\\..*Breakpoint \[0-9\]+, -.BasicClass takeArg:. \\(self=.*, _cmd=.*, arg=.*\\) at .*$srcfile:34.*" \
"continue until method breakpoint"
#
# Test resetting breakpoints when re-running program
#
gdb_run_cmd
gdb_test "" "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:.*" "resetting breakpoints when rerunning"
#
# Continue until breakpoint (test re-setting breakpoint)
#
gdb_test continue \
"Continuing\\..*Breakpoint \[0-9\]+, -.BasicClass takeArg:. \\(self=.*, _cmd=.*, arg=.*\\) at .*$srcfile:34.*" \
"continue until method breakpoint"
#
# Test printing objects
#
gdb_test "print object" \
"\\$\[0-9\] = .*0x0" \
" print an ivar of self"
gdb_test "print self" \
"\\$\[0-9\] = \\(.*BasicClass \\*\\) 0x\[0-9a-f\]+" \
" print self"
gdb_test "print \*self" \
"\\$\[0-9\] = \{{?isa = 0x\[0-9a-f\]+( <.*>)?}?, object = 0x0\}" \
" print contents of self"
#
# Break in a category
#
gdb_test "break hiddenMethod" \
"Breakpoint.*at.* file .*$srcfile, line.61." \
"breakpoint in category method"
#
# Continue until breakpoint (test re-setting category breakpoint)
#
gdb_test continue \
"Continuing\\..*Breakpoint \[0-9\]+, -.BasicClass\\(Private\\) hiddenMethod. \\(self=.*, _cmd=.*\\) at .*$srcfile:61.*" \
"continue until category method"
#
# Test calling Objective-C methods
#
gdb_test "print \[self printHi\]" \
"Hi.*\\$\[0-9\] = \\(.*objc_object \\*\\) 0x\[0-9a-f\]+" \
"call an Objective-C method with no arguments"
gdb_test "print \[self printNumber: 42\]" \
"42.*\\$\[0-9\] = 43" \
"call an Objective-C method with one argument"
#
# Test printing the object description
#
gdb_test "print-object object" \
"BasicClass gdb test object" \
"use of the print-object command"
gdb_test "po self" \
"BasicClass gdb test object" \
"use of the po (print-object) command"
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