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# Copyright 2021-2022 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 ASSUMED RANK arrays.
if {[skip_fortran_tests]} { return -1 }
standard_testfile ".f90"
load_lib fortran.exp
# Only gcc version >=11 supports assumed rank arrays.
if { [test_compiler_info gcc*] &&
![test_compiler_info {gcc-1[1-9]-*}]} {
untested "compiler does not support assumed rank"
return -1
}
if {[prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} \
{debug f90 additional_flags=-gdwarf-5}]} {
return -1
}
if ![fortran_runto_main] {
untested "could not run to main"
return -1
}
gdb_breakpoint [gdb_get_line_number "Test Breakpoint"]
gdb_breakpoint [gdb_get_line_number "Final Breakpoint"]
# 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.
set found_final_breakpoint false
set test_count 0
while { $test_count < 500 } {
with_test_prefix "test $test_count" {
incr test_count
gdb_test_multiple "continue" "continue" {
-re -wrap "! Test Breakpoint" {
# We can run a test from here.
}
-re "! Final Breakpoint" {
# We're done with the tests.
set found_final_breakpoint true
}
}
# Currently, flang does not support rank0.
if {$test_count == 1 && [test_compiler_info {clang-*}]} {
unsupported "compiler does not support rank 0"
continue
}
if ($found_final_breakpoint) {
break
}
# First grab the information from the assumed rank array.
set answer_rank [get_valueof "" "rank(answer)" "**unknown**"]
set answer_content [get_valueof "" "answer" "**unknown**"]
# Now move up a frame and find the name of a non-assumed rank array
# which we can use to check the values we got above.
set test_array ""
gdb_test_multiple "up" "" {
-re -wrap "\r\n\[0-9\]+\[ \t\]+call test_rank \\((\[^\r\n\]+)\\)" {
set test_array $expect_out(1,string)
}
}
gdb_assert { ![string equal $test_array ""] } \
"found the name of a test array to check against"
# Check we got the correct array rank.
gdb_test "p rank($test_array)" " = $answer_rank"
# Check we got the correct array content.
set content [get_valueof "" "$test_array" "**unknown**"]
gdb_assert { [string equal $content $answer_content] } \
"answer array contains the expected contents"
}
}
# Ensure we reached the final breakpoint. If more tests have been added
# to the test script, and this starts failing, then the safety 'while'
# loop above might need to be increased.
gdb_assert {$found_final_breakpoint} "ran all compiled in tests"
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