1# Copyright 2009-2020 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
18load_lib completion-support.exp
19
20# A helper procedure to test location completions restricted by
21# class.
22proc 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
54if { [skip_cplus_tests] } { continue }
55
56standard_testfile pr9594.cc
57
58if {[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
65if { ![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)
71test_class_complete Foo "" "complete class methods" \
72    [list Foo Foofoo get_foo set_foo ~Foo]
73
74test_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
79set bp_location [gdb_get_line_number "Set breakpoint here" ${srcfile}]
80
81if {![runto "${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".
88gdb_test "complete p foo1.g" "p foo1\\.get_foo"
89
90# Test inheritance without overriding.
91gdb_test "complete p foo1.base" "p foo1\\.base_function_only"
92
93# Test non-completion of constructor names.
94gdb_test "complete p foo1.Fo" "p foo1\\.Foofoo"
95
96# Test completion with an anonymous struct.
97gdb_test "complete p a.g" "p a\\.get"
98
99with_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}
138