gdb/testsuite/gdb.cp/derivation.exp

   1 # Copyright 1998-2022 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 # This file was written by Elena Zannoni (ezannoni@cygnus.com)
  17 # And rewritten by Michael Chastain <mec.gnu@mindspring.com>
  18
  19 # This file is part of the gdb testsuite
  20
  21 # tests for inheritance, with several derivations types combinations
  22 # (private, public, protected)
  23 # classes have simple members and member functions.
  24
  25 set ws "\[\r\n\t \]+"
  26 set nl "\[\r\n\]+"
  27
  28 # Start program.
  29
  30
  31 if { [skip_cplus_tests] } { continue }
  32
  33 load_lib "cp-support.exp"
  34
  35 standard_testfile derivation.cc derivation2.cc
  36
  37 if {[prepare_for_testing "failed to prepare" $testfile \
  38         [list $srcfile $srcfile2] {debug c++}]} {
  39     return -1
  40 }
  41
  42 # Check inheritance of typedefs.
  43 with_test_prefix "before run" {
  44     foreach klass {"A" "D" "E" "F" "A2" "D2"} {
  45         gdb_test "ptype ${klass}::value_type" "type = int"
  46         gdb_test "whatis ${klass}::value_type" "type = int"
  47         gdb_test "p (${klass}::value_type) 0" " = 0"
  48     }
  49     foreach klass {"Z" "ZZ"} {
  50         gdb_test "ptype ${klass}::value_type" "type = float"
  51         gdb_test "whatis ${klass}::value_type" "type = float"
  52         gdb_test "p (${klass}::value_type) 0" " = 0"
  53     }
  54 }
  55
  56 # Set it up at a breakpoint so we can play with the variable values.
  57
  58 if ![runto 'marker1'] then {
  59     perror "couldn't run to marker1"
  60     continue
  61 }
  62
  63 # Check inheritance of typedefs again, but this time with an active block.
  64 with_test_prefix "at marker1" {
  65     foreach klass {"A" "D" "A2" "D2"} {
  66         gdb_test "ptype ${klass}::value_type" "type = int"
  67         gdb_test "whatis ${klass}::value_type" "type = int"
  68         gdb_test "p (${klass}::value_type) 0" " = 0"
  69     }
  70 }
  71
  72 gdb_test "up" ".*main.*" "up from marker1"
  73
  74 # Print class types and values.
  75
  76 # class A
  77
  78 gdb_test "print a_instance" "\\$\[0-9\]+ = \{a = 1, aa = 2\}" "print value of a_instance"
  79
  80 cp_test_ptype_class \
  81     "a_instance" "" "class" "A" \
  82     {
  83         { field  public "A::value_type a;" }
  84         { field  public "A::value_type aa;" }
  85         { method public "A();" }
  86         { method public "A::value_type afoo();" }
  87         { method public "A::value_type foo();" }
  88         { typedef public "typedef int value_type;" }
  89     }
  90
  91 # class D
  92
  93 gdb_test_multiple "print d_instance" "print value of d_instance" {
  94     -re "\\$\[0-9\]+ = \{<(class A|A)> = \{a = 1, aa = 2\}, <(class B|B)> = \{b = 3, bb = 4\}, <(class C|C)> = \{c = 5, cc = 6\}, d = 7, dd = 8\}$nl$gdb_prompt $" {
  95         pass "print value of d_instance"
  96     }
  97 }
  98
  99 cp_test_ptype_class \
 100     "d_instance" "" "class" "D" \
 101     {
 102         { base          "private A" }
 103         { base          "public B" }
 104         { base          "protected C" }
 105         { field  public "A::value_type d;" }
 106         { field  public "A::value_type dd;" }
 107         { method public "D();" }
 108         { method public "A::value_type dfoo();" }
 109         { method public "A::value_type foo();" }
 110     } \
 111     "" \
 112     {
 113         { "protected C" "private C" { setup_xfail "*-*-*" "gcc/13539" } }
 114     }
 115
 116 # class E
 117
 118 gdb_test_multiple "print e_instance" "print value of e_instance" {
 119     -re "\\$\[0-9\]+ = \{<(class A|A)> = \{a = 1, aa = 2\}, <(class B|B)> = \{b = 3, bb = 4\}, <(class C|C)> = \{c = 5, cc = 6\}, e = 9, ee = 10\}$nl$gdb_prompt $" {
 120         pass "print value of e_instance"
 121     }
 122 }
 123
 124 cp_test_ptype_class \
 125     "e_instance" "" "class" "E" \
 126     {
 127         { base          "public A" }
 128         { base          "private B" }
 129         { base          "protected C" }
 130         { field  public "A::value_type e;" }
 131         { field  public "A::value_type ee;" }
 132         { method public "E();" }
 133         { method public "A::value_type efoo();" }
 134         { method public "A::value_type foo();" }
 135     } \
 136     "" \
 137     {
 138         { "protected C" "private C" { setup_xfail "*-*-*" "gcc/13539" } }
 139     }
 140
 141 # class F
 142
 143 gdb_test_multiple "print f_instance" "print value of f_instance" {
 144     -re "\\$\[0-9\]+ = \{<(class A|A)> = \{a = 1, aa = 2\}, <(class B|B)> = \{b = 3, bb = 4\}, <(class C|C)> = \{c = 5, cc = 6\}, f = 11, ff = 12\}$nl$gdb_prompt $" {
 145         pass "print value of f_instance"
 146     }
 147 }
 148
 149 cp_test_ptype_class \
 150     "f_instance" "" "class" "F" \
 151     {
 152         { base          "private A" }
 153         { base          "public B" }
 154         { base          "private C" }
 155         { field  public "A::value_type f;" }
 156         { field  public "A::value_type ff;" }
 157         { method public "F();" }
 158         { method public "A::value_type ffoo();" }
 159         { method public "A::value_type foo();" }
 160     }
 161
 162 # class G
 163 cp_test_ptype_class \
 164     "g_instance" "" "class" "G" \
 165     {
 166         { base          "private A" }
 167         { base          "public B" }
 168         { base          "protected C" }
 169         { field public "int g;" }
 170         { field public "int gg;" }
 171         { field public "int a;" }
 172         { field public "int b;" }
 173         { field public "int c;" }
 174         { method public "int gfoo();" }
 175         { method public "int foo();" }
 176     }
 177
 178 # Print individual fields.
 179
 180 gdb_test "print d_instance.a"  "\\$\[0-9\]+ = 1" "print value of d_instance.a"
 181 gdb_test "print d_instance.aa" "\\$\[0-9\]+ = 2" "print value of d_instance.aa"
 182 gdb_test "print d_instance.b"  "\\$\[0-9\]+ = 3" "print value of d_instance.b"
 183 gdb_test "print d_instance.bb" "\\$\[0-9\]+ = 4" "print value of d_instance.bb"
 184 gdb_test "print d_instance.c"  "\\$\[0-9\]+ = 5" "print value of d_instance.c"
 185 gdb_test "print d_instance.cc" "\\$\[0-9\]+ = 6" "print value of d_instance.cc"
 186 gdb_test "print d_instance.d"  "\\$\[0-9\]+ = 7" "print value of d_instance.d"
 187 gdb_test "print d_instance.dd" "\\$\[0-9\]+ = 8" "print value of d_instance.dd"
 188
 189 # Print some fields which are defined in the top of class G
 190 # and in its base classes.  This is not be ambiguous.
 191
 192 gdb_test "print g_instance.a"  "\\$\[0-9\]+ = 15" "print value of g_instance.a"
 193 gdb_test "print g_instance.b"  "\\$\[0-9\]+ = 16" "print value of g_instance.b"
 194 gdb_test "print g_instance.c"  "\\$\[0-9\]+ = 17" "print value of g_instance.c"
 195
 196 # Print a function call.
 197
 198 gdb_test "print g_instance.afoo()" "\\$\[0-9\]+ = 1" "print value of g_instance.afoo()"
 199
 200 # If GDB fails to restore the selected frame properly after the
 201 # inferior function call above (see GDB PR 1155 for an explanation of
 202 # why this might happen), all the subsequent tests will fail.  We
 203 # should detect report that failure, but let the marker call finish so
 204 # that the rest of the tests can run undisturbed.
 205
 206 gdb_test_multiple "frame" "re-selected 'main' frame after inferior call" {
 207     -re "#0  marker1.*$gdb_prompt $" {
 208         setup_kfail "gdb/1155" s390-*-linux-gnu
 209         fail "re-selected 'main' frame after inferior call"
 210         gdb_test "finish" ".*main.*at .*derivation.cc:.*// marker1-returns-here.*" \
 211             "finish call to marker1"
 212     }
 213     -re "#1  ($hex in )?main.*$gdb_prompt $" {
 214         pass "re-selected 'main' frame after inferior call"
 215     }
 216 }
 217
 218 gdb_test "print g_instance.bfoo()" "\\$\[0-9\]+ = 2" "print value of g_instance.bfoo()"
 219 gdb_test "print g_instance.cfoo()" "\\$\[0-9\]+ = 3" "print value of g_instance.cfoo()"
 220
 221 # Check typedefs of fields
 222 foreach Klass {"C" "G"} {
 223     set klass [string tolower $Klass]
 224     set instance "${klass}_instance"
 225     set var "${instance}.$klass"
 226     gdb_test "whatis $var" "int"
 227     gdb_test "ptype $var" "int"
 228 }
 229
 230 foreach Klass {"A" "B" "D" "E" "F"} {
 231     set klass [string tolower $Klass]
 232     set instance "${klass}_instance"
 233     set var "${instance}.$klass"
 234     gdb_test "whatis $var" "A::value_type"
 235     gdb_test "ptype $var" "int"
 236     if {![string equal $Klass "B"]} {
 237         gdb_test "p (${Klass}::value_type) 0" " = 0"
 238     }
 239 }
 240
 241 foreach Klass {"Z" "ZZ"} {
 242     set klass [string tolower $Klass]
 243     set instance "${klass}_instance"
 244     set var "${instance}.$klass"
 245     gdb_test "whatis $var" "Z::value_type"
 246     gdb_test "ptype $var" "float"
 247     gdb_test "p (${Klass}::value_type) 0" " = 0"
 248 }
 249
 250 # This is a regression test for a bug that caused a crash when trying
 251 # to print the vtbl pointer.  We don't care about the output so much
 252 # here (it is tested elsewhere), just that gdb doesn't crash.  We test
 253 # "ptype" first because, before the gdb fix, that was the only code
 254 # path calling get_vptr_fieldno.
 255 gdb_test "ptype vderived" "type = .*"
 256 gdb_test "print vderived" " = {.* inter = 0.*x = 0}"
 257
 258 # Test whether inheritance of typedefs is properly
 259 # reported when stopped.
 260 gdb_test "ptype N::value_type" "type = double"
 261 gdb_test "ptype N::Derived::value_type" "type = int"
 262
 263 # Now run to N::Derived::doit and get the type of "value_type"
 264 if {![runto "N::Derived::doit"]} {
 265     perror "couldn't run to N::Derived::doit"
 266     continue
 267 }
 268
 269 gdb_test "ptype value_type" "type = int"