[PATCH 12/23] test: basic tests for dynamic array evaluations in Fortran.

[Keven Boell <keven.boell@intel.com>]

Tests ensure that values of Fortran dynamic arrays
can be evaluated correctly in various ways and states.

2014-05-28  Keven Boell  <keven.boell@intel.com>
            Sanimir Agovic  <sanimir.agovic@intel.com>

testsuite/gdb.fortran/:

	* vla.f90: New file.
	* vla-value.exp: New file.

Change-Id: I0229c3b58f72ae89c2ee42d1219e4538cb6bf023

Signed-off-by: Keven Boell <keven.boell@intel.com>
---
 gdb/testsuite/gdb.fortran/vla-value.exp |  148 +++++++++++++++++++++++++++++++
 gdb/testsuite/gdb.fortran/vla.f90       |   56 ++++++++++++
 2 files changed, 204 insertions(+)
 create mode 100644 gdb/testsuite/gdb.fortran/vla-value.exp
 create mode 100644 gdb/testsuite/gdb.fortran/vla.f90

diff --git a/gdb/testsuite/gdb.fortran/vla-value.exp b/gdb/testsuite/gdb.fortran/vla-value.exp
new file mode 100644
index 0000000..d7b8a1e
--- /dev/null
+++ b/gdb/testsuite/gdb.fortran/vla-value.exp
@@ -0,0 +1,148 @@
+# Copyright 2014 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/>.
+
+standard_testfile "vla.f90"
+
+if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} \
+     {debug f90 quiet}] } {
+    return -1
+}
+
+if ![runto MAIN__] then {
+    perror "couldn't run to breakpoint MAIN__"
+    continue
+}
+
+# Try to access values in non allocated VLA
+gdb_breakpoint [gdb_get_line_number "vla1-init"]
+gdb_continue_to_breakpoint "vla1-init"
+gdb_test "print vla1" " = <not allocated>" "print non-allocated vla1"
+gdb_test "print &vla1" \
+  " = \\\(PTR TO -> \\\( real\\\(kind=4\\\) \\\(<not allocated>\\\)\\\)\\\) $hex" \
+  "print non-allocated &vla1"
+gdb_test "print vla1(1,1,1)" "no such vector element because not allocated" \
+  "print member in non-allocated vla1 (1)"
+gdb_test "print vla1(101,202,303)" \
+  "no such vector element because not allocated" \
+  "print member in non-allocated vla1 (2)"
+gdb_test "print vla1(5,2,18)=1" "no such vector element because not allocated" \
+  "set member in non-allocated vla1"
+
+# Try to access value in allocated VLA
+gdb_breakpoint [gdb_get_line_number "vla2-allocated"]
+gdb_continue_to_breakpoint "vla2-allocated"
+gdb_test "next" "\\d+(\\t|\\s)+vla1\\\(3, 6, 9\\\) = 42" \
+  "step over value assignment of vla1"
+gdb_test "print &vla1" \
+  " = \\\(PTR TO -> \\\( real\\\(kind=4\\\) \\\(10,10,10\\\)\\\)\\\) $hex" \
+  "print allocated &vla1"
+gdb_test "print vla1(3, 6, 9)" " = 1311" "print allocated vla1(3,6,9)"
+gdb_test "print vla1(1, 3, 8)" " = 1311" "print allocated vla1(1,3,8)"
+gdb_test "print vla1(9, 9, 9) = 999" " = 999" \
+  "print allocated vla1(9,9,9)=1"
+
+# Try to access values in allocated VLA after specific assignment
+gdb_breakpoint [gdb_get_line_number "vla1-filled"]
+gdb_continue_to_breakpoint "vla1-filled"
+gdb_test "print vla1(3, 6, 9)" " = 42" \
+  "print allocated vla1(3,6,9) after specific assignment (filled)"
+gdb_test "print vla1(1, 3, 8)" " = 1001" \
+  "print allocated vla1(1,3,8) after specific assignment (filled)"
+gdb_test "print vla1(9, 9, 9)" " = 999" \
+  "print allocated vla1(9,9,9) after assignment in debugger (filled)"
+
+# Try to access values in undefined pointer to VLA (dangling)
+gdb_test "print pvla" " = <not associated>" "print undefined pvla"
+gdb_test "print &pvla" \
+  " = \\\(PTR TO -> \\\( real\\\(kind=4\\\) \\\(<not associated>\\\)\\\)\\\) $hex" \
+  "print non-associated &pvla"
+gdb_test "print pvla(1, 3, 8)" "no such vector element because not associated" \
+  "print undefined pvla(1,3,8)"
+
+# Try to access values in pointer to VLA and compare them
+gdb_breakpoint [gdb_get_line_number "pvla-associated"]
+gdb_continue_to_breakpoint "pvla-associated"
+gdb_test "print &pvla" \
+  " = \\\(PTR TO -> \\\( real\\\(kind=4\\\) \\\(10,10,10\\\)\\\)\\\) $hex" \
+  "print associated &pvla"
+gdb_test "print pvla(3, 6, 9)" " = 42" "print associated pvla(3,6,9)"
+gdb_test "print pvla(1, 3, 8)" " = 1001" "print associated pvla(1,3,8)"
+gdb_test "print pvla(9, 9, 9)" " = 999" "print associated pvla(9,9,9)"
+
+# Fill values to VLA using pointer and check
+gdb_breakpoint [gdb_get_line_number "pvla-re-associated"]
+gdb_continue_to_breakpoint "pvla-re-associated"
+gdb_test "print pvla(5, 45, 20)" \
+  " = 1" "print pvla(5, 45, 20) after filled using pointer"
+gdb_test "print vla2(5, 45, 20)" \
+  " = 1" "print vla2(5, 45, 20) after filled using pointer"
+gdb_test "print pvla(7, 45, 14)" " = 2" \
+  "print pvla(7, 45, 14) after filled using pointer"
+gdb_test "print vla2(7, 45, 14)" " = 2" \
+  "print vla2(7, 45, 14) after filled using pointer"
+
+# Try to access values of deassociated VLA pointer
+gdb_breakpoint [gdb_get_line_number "pvla-deassociated"]
+gdb_continue_to_breakpoint "pvla-deassociated"
+gdb_test "print pvla(5, 45, 20)" \
+  "no such vector element because not associated" \
+  "print pvla(5, 45, 20) after deassociated"
+gdb_test "print pvla(7, 45, 14)" \
+  "no such vector element because not associated" \
+  "print pvla(7, 45, 14) after dissasociated"
+gdb_test "print pvla" " = <not associated>" \
+  "print vla1 after deassociated"
+
+# Try to access values of deallocated VLA
+gdb_breakpoint [gdb_get_line_number "vla1-deallocated"]
+gdb_continue_to_breakpoint "vla1-deallocated"
+gdb_test "print vla1(3, 6, 9)" "no such vector element because not allocated" \
+  "print allocated vla1(3,6,9) after specific assignment (deallocated)"
+gdb_test "print vla1(1, 3, 8)" "no such vector element because not allocated" \
+  "print allocated vla1(1,3,8) after specific assignment (deallocated)"
+gdb_test "print vla1(9, 9, 9)" "no such vector element because not allocated" \
+  "print allocated vla1(9,9,9) after assignment in debugger (deallocated)"
+
+
+# Try to assign VLA to user variable
+clean_restart ${testfile}
+
+if ![runto MAIN__] then {
+    perror "couldn't run to breakpoint MAIN__"
+    continue
+}
+gdb_breakpoint [gdb_get_line_number "vla2-allocated"]
+gdb_continue_to_breakpoint "vla2-allocated"
+gdb_test "next" "\\d+.*vla1\\(3, 6, 9\\) = 42" "next (1)"
+
+gdb_test_no_output "set \$myvar = vla1" "set \$myvar = vla1"
+gdb_test "print \$myvar" \
+  " = \\( *\\( *\\( *1311, *1311, *1311,\[()1311, .\]*\\)" \
+  "print \$myvar set to vla1"
+
+gdb_test "next" "\\d+.*vla1\\(1, 3, 8\\) = 1001" "next (2)"
+gdb_test "print \$myvar(3,6,9)" " = 1311" "print \$myvar(3,6,9)"
+
+gdb_breakpoint [gdb_get_line_number "pvla-associated"]
+gdb_continue_to_breakpoint "pvla-associated"
+gdb_test_no_output "set \$mypvar = pvla" "set \$mypvar = pvla"
+gdb_test "print \$mypvar(1,3,8)" " = 1001" "print \$mypvar(1,3,8)"
+
+# deallocate pointer and make sure user defined variable still has the
+# right value.
+gdb_breakpoint [gdb_get_line_number "pvla-deassociated"]
+gdb_continue_to_breakpoint "pvla-deassociated"
+gdb_test "print \$mypvar(1,3,8)" " = 1001" \
+  "print \$mypvar(1,3,8) after deallocated"
diff --git a/gdb/testsuite/gdb.fortran/vla.f90 b/gdb/testsuite/gdb.fortran/vla.f90
new file mode 100644
index 0000000..73425f3
--- /dev/null
+++ b/gdb/testsuite/gdb.fortran/vla.f90
@@ -0,0 +1,56 @@
+! Copyright 2014 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/>.
+
+program vla
+  real, target, allocatable :: vla1 (:, :, :)
+  real, target, allocatable :: vla2 (:, :, :)
+  real, target, allocatable :: vla3 (:, :)
+  real, pointer :: pvla (:, :, :)
+  logical :: l
+
+  allocate (vla1 (10,10,10))          ! vla1-init
+  l = allocated(vla1)
+
+  allocate (vla2 (1:7,42:50,13:35))   ! vla1-allocated
+  l = allocated(vla2)
+
+  vla1(:, :, :) = 1311                ! vla2-allocated
+  vla1(3, 6, 9) = 42
+  vla1(1, 3, 8) = 1001
+  vla1(6, 2, 7) = 13
+
+  vla2(:, :, :) = 1311                ! vla1-filled
+  vla2(5, 45, 20) = 42
+
+  pvla => vla1                        ! vla2-filled
+  l = associated(pvla)
+
+  pvla => vla2                        ! pvla-associated
+  l = associated(pvla)
+  pvla(5, 45, 20) = 1
+  pvla(7, 45, 14) = 2
+
+  pvla => null()                      ! pvla-re-associated
+  l = associated(pvla)
+
+  deallocate (vla1)                   ! pvla-deassociated
+  l = allocated(vla1)
+
+  deallocate (vla2)                   ! vla1-deallocated
+  l = allocated(vla2)
+
+  allocate (vla3 (2,2))               ! vla2-deallocated
+  vla3(:,:) = 13
+end program vla
-- 
1.7.9.5