gdb/testsuite/gdb.cp/cpcompletion.exp

   1 # Copyright 2009-2023 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 # This file is part of the gdb testsuite.
  17
  18 load_lib completion-support.exp
  19
  20 # A helper procedure to test location completions restricted by
  21 # class.
  22 proc test_class_complete {class expr name matches} {
  23     global gdb_prompt
  24
  25     set matches [lsort $matches]
  26     set cmd "complete break ${class}::$expr"
  27     set seen {}
  28     gdb_test_multiple $cmd $name {
  29         "break ${class}::main" { fail "$name (saw global symbol)" }
  30         $cmd { exp_continue }
  31         -re "break ${class}::\[^\r\n\]*\r\n" {
  32             set str $expect_out(0,string)
  33             scan $str "break ${class}::%\[^(\]" method
  34             lappend seen $method
  35             exp_continue
  36         }
  37         -re "$gdb_prompt $" {
  38             set failed ""
  39             foreach got [lsort $seen] have $matches {
  40                 if {![string equal $got $have]} {
  41                     set failed $have
  42                     break
  43                 }
  44             }
  45             if {[string length $failed] != 0} {
  46                 fail "$name ($failed not found)"
  47             } else {
  48                 pass $name
  49             }
  50         }
  51     }
  52 }
  53
  54 if { [skip_cplus_tests] } { continue }
  55
  56 standard_testfile pr9594.cc
  57
  58 if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} {
  59     return -1
  60 }
  61
  62 # Tests below are about tab-completion, which doesn't work if readline
  63 # library isn't used.  Check it first.
  64
  65 if { ![readline_is_used] } {
  66     untested "no tab completion support without readline"
  67     return -1
  68 }
  69
  70 # Test that completion is restricted by class name (all methods)
  71 test_class_complete Foo "" "complete class methods" \
  72     [list Foo Foofoo get_foo set_foo ~Foo]
  73
  74 test_class_complete Foo F "complete class methods beginning with F" \
  75     [list Foo Foofoo]
  76
  77 # The tests below depend on the current code scope.
  78
  79 set bp_location [gdb_get_line_number "Set breakpoint here" ${srcfile}]
  80
  81 if {![runto "${srcfile}:$bp_location"]} {
  82     perror "test suppressed"
  83     return
  84 }
  85
  86 # This also tests inheritance -- completion should only see a single
  87 # "get_foo".
  88 gdb_test "complete p foo1.g" "p foo1\\.get_foo"
  89
  90 # Test inheritance without overriding.
  91 gdb_test "complete p foo1.base" "p foo1\\.base_function_only"
  92
  93 # Test non-completion of constructor names.
  94 gdb_test "complete p foo1.Fo" "p foo1\\.Foofoo"
  95
  96 # Test completion with an anonymous struct.
  97 gdb_test "complete p a.g" "p a\\.get"
  98
  99 with_test_prefix "expression with namespace" {
 100     # Before the scope operator, GDB shows all the symbols whose
 101     # fully-qualified name matches the completion word.
 102     test_gdb_complete_multiple "p " "Test_NS" "" {
 103         "Test_NS"
 104         "Test_NS::Nested"
 105         "Test_NS::Nested::qux"
 106         "Test_NS::bar"
 107         "Test_NS::foo"
 108     }
 109
 110     # Unlike in linespecs, tab- and complete-command completion work a
 111     # bit differently when completing around the scope operator.  The
 112     # matches in the tab-completion case only show the part of the
 113     # symbol after the scope, since ':' is a word break character.
 114
 115     set tab_completion_list {
 116         "Nested"
 117         "Nested::qux"
 118         "bar"
 119         "foo"
 120     }
 121     test_gdb_complete_tab_multiple "p Test_NS:" ":" $tab_completion_list
 122     test_gdb_complete_tab_multiple "p Test_NS::" "" $tab_completion_list
 123
 124     # OTOH, the complete command must show the whole command, with
 125     # qualified symbol displayed as entered by the user.
 126     set cmd_completion_list {
 127         "Test_NS::Nested"
 128         "Test_NS::Nested::qux"
 129         "Test_NS::bar"
 130         "Test_NS::foo"
 131     }
 132     test_gdb_complete_cmd_multiple "p " "Test_NS:" $cmd_completion_list
 133     test_gdb_complete_cmd_multiple "p " "Test_NS::" $cmd_completion_list
 134
 135     # Add a disambiguating character and we get a unique completion.
 136     test_gdb_complete_unique "p Test_NS::f" "p Test_NS::foo"
 137 }