gdb/testsuite/gdb.fortran/assumedrank.exp

   1 # Copyright 2021-2023 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/> .
  15
  16 # Testing GDB's implementation of ASSUMED RANK arrays.
  17
  18 if {[skip_fortran_tests]} { return -1 }
  19
  20 standard_testfile ".f90"
  21 load_lib fortran.exp
  22
  23 # Only gcc version >=11 supports assumed rank arrays.
  24 if { [test_compiler_info {gfortran-*} f90] &&
  25      ![test_compiler_info {gfortran-1[1-9]-*} f90] } {
  26     untested "compiler does not support assumed rank"
  27     return -1
  28 }
  29
  30 if {[prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} \
  31          {debug f90 additional_flags=-gdwarf-5}]} {
  32     return -1
  33 }
  34
  35 if ![fortran_runto_main] {
  36     untested "could not run to main"
  37     return -1
  38 }
  39
  40 gdb_breakpoint [gdb_get_line_number "Test Breakpoint"]
  41 gdb_breakpoint [gdb_get_line_number "Final Breakpoint"]
  42
  43 # We place a limit on the number of tests that can be run, just in
  44 # case something goes wrong, and GDB gets stuck in an loop here.
  45 set found_final_breakpoint false
  46 set test_count 0
  47 while { $test_count < 500 } {
  48     with_test_prefix "test $test_count" {
  49         incr test_count
  50
  51         gdb_test_multiple "continue" "continue" {
  52             -re -wrap "! Test Breakpoint" {
  53                 # We can run a test from here.
  54             }
  55             -re "! Final Breakpoint" {
  56                 # We're done with the tests.
  57                 set found_final_breakpoint true
  58             }
  59         }
  60
  61         # Currently, flang does not support rank0.
  62         if { $test_count == 1 && [test_compiler_info {flang-*} f90] } {
  63            unsupported "compiler does not support rank 0"
  64            continue
  65         }
  66
  67         if ($found_final_breakpoint) {
  68             break
  69         }
  70
  71         # First grab the information from the assumed rank array.
  72         set answer_rank [get_valueof "" "rank(answer)" "**unknown**"]
  73         set answer_content [get_valueof "" "answer" "**unknown**"]
  74
  75         # Now move up a frame and find the name of a non-assumed rank array
  76         # which we can use to check the values we got above.
  77         set test_array ""
  78         gdb_test_multiple "up" "" {
  79             -re -wrap "\r\n\[0-9\]+\[ \t\]+call test_rank \\((\[^\r\n\]+)\\)" {
  80                 set test_array $expect_out(1,string)
  81             }
  82         }
  83         gdb_assert { ![string equal $test_array ""] } \
  84             "found the name of a test array to check against"
  85
  86         # Check we got the correct array rank.
  87         gdb_test "p rank($test_array)" " = $answer_rank"
  88
  89         # Check we got the correct array content.
  90         set content [get_valueof "" "$test_array" "**unknown**"]
  91         gdb_assert { [string equal $content $answer_content] } \
  92             "answer array contains the expected contents"
  93     }
  94 }
  95
  96 # Ensure we reached the final breakpoint.  If more tests have been added
  97 # to the test script, and this starts failing, then the safety 'while'
  98 # loop above might need to be increased.
  99 gdb_assert {$found_final_breakpoint} "ran all compiled in tests"