[V3,18/21] test: dynamic string evaluations.

diff --git a/gdb/testsuite/gdb.fortran/vla-strings.exp b/gdb/testsuite/gdb.fortran/vla-strings.exp
new file mode 100644
index 0000000..7fc1734
--- /dev/null
+++ b/gdb/testsuite/gdb.fortran/vla-strings.exp
@@ -0,0 +1,104 @@ 
+# 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 ".f90"
+
+if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} \
+    {debug f90 quiet}] } {
+    return -1
+}
+
+# check that all fortran standard datatypes will be
+# handled correctly when using as VLA's
+
+if ![runto MAIN__] then {
+    perror "couldn't run to breakpoint MAIN__"
+    continue
+}
+
+gdb_breakpoint [gdb_get_line_number "var_char-allocated-1"]
+gdb_continue_to_breakpoint "var_char-allocated-1"
+gdb_test "print var_char" \
+  " = \\(PTR TO -> \\( character\\*10 \\)\\) ${hex}" \
+  "print var_char after allocated first time"
+gdb_test "print *var_char" \
+  " = '\\\\000\\\\000\\\\000\\\\000\\\\000\\\\000\\\\000\\\\000\\\\000\\\\000'" \
+  "print *var_char after allocated first time"
+gdb_test "whatis var_char" "type = PTR TO -> \\( character\\*10 \\)" \
+  "whatis var_char first time"
+gdb_test "ptype var_char" "type = PTR TO -> \\( character\\*10 \\)" \
+  "ptype var_char first time"
+gdb_test "next" "\\d+.*var_char = 'foo'.*" \
+  "next to allocation status of var_char"
+gdb_test "print l" " = .TRUE." "print allocation status first time"
+
+gdb_breakpoint [gdb_get_line_number "var_char-filled-1"]
+gdb_continue_to_breakpoint "var_char-filled-1"
+gdb_test "print var_char" \
+  " = \\(PTR TO -> \\( character\\*3 \\)\\) ${hex}" \
+  "print var_char after filled first time"
+gdb_test "print *var_char" " = 'foo'" \
+  "print *var_char after filled first time"
+gdb_test "whatis var_char" "type = PTR TO -> \\( character\\*3 \\)" \
+  "whatis var_char after filled first time"
+gdb_test "ptype var_char" "type = PTR TO -> \\( character\\*3 \\)" \
+  "ptype var_char after filled first time"
+gdb_test "print var_char(1)" " = 102 'f'" "print var_char(1)"
+gdb_test "print var_char(3)" " = 111 'o'" "print var_char(3)"
+
+gdb_breakpoint [gdb_get_line_number "var_char-filled-2"]
+gdb_continue_to_breakpoint "var_char-filled-2"
+gdb_test "print var_char" \
+  " = \\(PTR TO -> \\( character\\*6 \\)\\) ${hex}" \
+  "print var_char after allocated second time"
+gdb_test "print *var_char" " = 'foobar'" \
+  "print *var_char after allocated second time"
+gdb_test "whatis var_char" "type = PTR TO -> \\( character\\*6 \\)" \
+  "whatis var_char second time"
+gdb_test "ptype var_char" "type = PTR TO -> \\( character\\*6 \\)" \
+  "ptype var_char second time"
+
+gdb_breakpoint [gdb_get_line_number "var_char-empty"]
+gdb_continue_to_breakpoint "var_char-empty"
+gdb_test "print var_char" \
+  " = \\(PTR TO -> \\( character\\*0 \\)\\) ${hex}" \
+  "print var_char after set empty"
+gdb_test "print *var_char" " = \"\"" "print *var_char after set empty"
+gdb_test "whatis var_char" "type = PTR TO -> \\( character\\*0 \\)" \
+  "whatis var_char after set empty"
+gdb_test "ptype var_char" "type = PTR TO -> \\( character\\*0 \\)" \
+  "ptype var_char after set empty"
+
+gdb_breakpoint [gdb_get_line_number "var_char-allocated-3"]
+gdb_continue_to_breakpoint "var_char-allocated-3"
+gdb_test "print var_char" \
+  " = \\(PTR TO -> \\( character\\*21 \\)\\) ${hex}" \
+  "print var_char after allocated third time"
+gdb_test "whatis var_char" "type = PTR TO -> \\( character\\*21 \\)" \
+  "whatis var_char after allocated third time"
+gdb_test "ptype var_char" "type = PTR TO -> \\( character\\*21 \\)" \
+  "ptype var_char after allocated third time"
+
+gdb_breakpoint [gdb_get_line_number "var_char_p-associated"]
+gdb_continue_to_breakpoint "var_char_p-associated"
+gdb_test "print var_char_p" \
+  " = \\(PTR TO -> \\( character\\*7 \\)\\) ${hex}" \
+  "print var_char_p after associated"
+gdb_test "print *var_char_p" " = 'johndoe'" \
+  "print *var_char_ after associated"
+gdb_test "whatis var_char_p" "type = PTR TO -> \\( character\\*7 \\)" \
+  "whatis var_char_p after associated"
+gdb_test "ptype var_char_p" "type = PTR TO -> \\( character\\*7 \\)" \
+  "ptype var_char_p after associated"
diff --git a/gdb/testsuite/gdb.fortran/vla-strings.f90 b/gdb/testsuite/gdb.fortran/vla-strings.f90
new file mode 100644
index 0000000..0a1d522
--- /dev/null
+++ b/gdb/testsuite/gdb.fortran/vla-strings.f90
@@ -0,0 +1,40 @@ 
+! 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 2 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, write to the Free Software
+! Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+program vla_strings
+  character(len=:), target, allocatable   :: var_char
+  character(len=:), pointer               :: var_char_p
+  logical                                 :: l
+
+  allocate(character(len=10) :: var_char)
+  l = allocated(var_char)                 ! var_char-allocated-1
+  var_char = 'foo'
+  deallocate(var_char)                    ! var_char-filled-1
+  l = allocated(var_char)                 ! var_char-deallocated
+  allocate(character(len=42) :: var_char)
+  l = allocated(var_char)
+  var_char = 'foobar'
+  var_char = ''                           ! var_char-filled-2
+  var_char = 'bar'                        ! var_char-empty
+  deallocate(var_char)
+  allocate(character(len=21) :: var_char)
+  l = allocated(var_char)                 ! var_char-allocated-3
+  var_char = 'johndoe'
+  var_char_p => var_char
+  l = associated(var_char_p)              ! var_char_p-associated
+  var_char_p => null()
+  l = associated(var_char_p)              ! var_char_p-not-associated
+end program vla_strings