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# Copyright 2024 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/> .
# Testing GDB's implementation of SIZE keyword.
require allow_fortran_tests
standard_testfile ".f90"
load_lib fortran.exp
if {[prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} \
{debug f90}]} {
return -1
}
if ![fortran_runto_main] {
return -1
}
gdb_breakpoint [gdb_get_line_number "Test breakpoint"]
gdb_breakpoint [gdb_get_line_number "Past unassigned pointers"]
gdb_breakpoint [gdb_get_line_number "Final breakpoint"]
set done_unassigned 0
set found_final_breakpoint 0
set test_count 0
# We are running tests defined in the executable here. So, in the .exp file
# we do not know when the 'Final breakpoint' will be hit exactly. We place a
# limit on the number of tests that can be run, just in case something goes
# wrong, and GDB gets stuck in an loop here.
while { $test_count < 200 } {
with_test_prefix "test $test_count" {
incr test_count
gdb_test_multiple "continue" "continue" {
-re -wrap "! Test breakpoint" {
# We can run a test from here.
}
-re -wrap "! Past unassigned pointers" {
# Done with testing unassigned pointers.
set done_unassigned 1
continue
}
-re -wrap "! Final breakpoint" {
# We're done with the tests.
set found_final_breakpoint 1
}
}
if ($found_final_breakpoint) {
break
}
# First grab the expected answer.
set answer [get_valueof "" "answer" "**unknown**"]
# Now move up a frame and figure out a command for us to run
# as a test.
set command ""
gdb_test_multiple "up" "up" {
-re -wrap "\r\n\[0-9\]+\[ \t\]+call test_sizeof \\((\[^\r\n\]+)\\)" {
set command $expect_out(1,string)
}
}
gdb_assert { ![string equal $command ""] } "found a command to run"
set is_pointer_to_array [string match "sizeof (*a_p)*" $command]
if {$done_unassigned || !$is_pointer_to_array} {
gdb_test "p $command" " = $answer"
} else {
# Gfortran and ifx have slightly different behavior for unassigned
# pointers to arrays. While ifx will print 0 as the sizeof result,
# gfortran will print the size of the base type of the pointer or
# array. Since the default behavior in GDB was to print 0 we keep
# this and make an exception for gfortran here.
gdb_test_multiple "p $command" "p $command" {
-re -wrap " = $answer" {
pass $gdb_test_name
}
-re -wrap " = 0" {
pass $gdb_test_name
}
}
}
}
}
gdb_assert {$found_final_breakpoint} "ran all compiled in tests"
# Here some more GDB specific tests that might fail with compilers.
# GDB will print sizeof(1.4) = 8 while gfortran will probably print 4 but
# GDB says ptype 1.4 is real*8 so the output is expected.
gdb_test "ptype 1" "type = int"
gdb_test "p sizeof(1)" "= 4"
gdb_test "ptype 1.3" "type = real\\*8"
gdb_test "p sizeof(1.3)" "= 8"
gdb_test "p sizeof ('asdsasd')" "= 7"
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