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d4f3574e | 1 | # Tests for anonymous union support. |
61baf725 | 2 | # Copyright 1998-2017 Free Software Foundation, Inc. |
c906108c SS |
3 | |
4 | # This program is free software; you can redistribute it and/or modify | |
5 | # it under the terms of the GNU General Public License as published by | |
e22f8b7c | 6 | # the Free Software Foundation; either version 3 of the License, or |
c906108c | 7 | # (at your option) any later version. |
e22f8b7c | 8 | # |
c906108c SS |
9 | # This program is distributed in the hope that it will be useful, |
10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | # GNU General Public License for more details. | |
e22f8b7c | 13 | # |
c906108c | 14 | # You should have received a copy of the GNU General Public License |
e22f8b7c | 15 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
c906108c | 16 | |
c906108c SS |
17 | # Written by Satish Pai <pai@apollo.hp.com> 1997-08-19 |
18 | ||
19 | # This file is part of the gdb testsuite | |
20 | ||
c906108c SS |
21 | # |
22 | # test running programs | |
23 | # | |
24 | ||
c906108c | 25 | |
d4f3574e SS |
26 | if { [skip_cplus_tests] } { continue } |
27 | ||
f5f3a911 | 28 | standard_testfile .cc |
d4f3574e | 29 | |
5b362f04 | 30 | if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} { |
f5f3a911 | 31 | return -1 |
c906108c SS |
32 | } |
33 | ||
c906108c SS |
34 | if ![runto_main] then { |
35 | perror "couldn't run to breakpoint" | |
36 | continue | |
37 | } | |
38 | ||
f8d3bf8f | 39 | gdb_test_no_output "set width 0" |
c906108c SS |
40 | |
41 | #send_gdb "ptype foo\n" | |
42 | #gdb_expect { | |
43 | # -re "\r\n$gdb_prompt $" { | |
44 | # pass "ptype foo" | |
45 | # } | |
46 | # -re ".*$gdb_prompt $" { fail "ptype foo" } | |
47 | # timeout { fail "(timeout) ptype foo" } | |
48 | #} | |
49 | ||
50 | #send_gdb "ptype bar\n" | |
51 | #gdb_expect { | |
52 | # -re "\r\n$gdb_prompt $" { | |
53 | # pass "ptype foo" | |
54 | # } | |
55 | # -re ".*$gdb_prompt $" { fail "ptype foo" } | |
56 | # timeout { fail "(timeout) ptype foo" } | |
57 | #} | |
58 | ||
59 | # NOTE: Add -- ptype foo.x, etc. when things are working | |
60 | ||
a0b3c4fd | 61 | #Initialize foo |
f8d3bf8f | 62 | gdb_test "next" "40\[ \t\]*foo.paper = 33;" "next 1" |
a0b3c4fd | 63 | |
c906108c | 64 | # Print out the big anon union. |
f8d3bf8f MS |
65 | gdb_test "print foo" \ |
66 | "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 0, x = \{rock = 0, rock2 = 0\}, \{qux = 0, mux = 0\}, boulder = 0\}, \{paper = 0, cloth = 0\}, num2 = \{two = 0, three = 0\}\}" \ | |
67 | "print foo 1" | |
c906108c SS |
68 | |
69 | # Step over assignment to member | |
70 | ||
f8d3bf8f | 71 | gdb_test "next" "41\[ \t\]*foo.pebble = 44;" "next 2" |
c906108c SS |
72 | |
73 | # Now print out anon union again | |
f8d3bf8f MS |
74 | gdb_test "print foo" \ |
75 | "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 0, x = \{rock = 0, rock2 = 0\}, \{qux = 0, mux = 0\}, boulder = 0\}, \{paper = 33, cloth = 33\}, num2 = \{two = 0, three = 0\}\}" \ | |
76 | "print foo 2" | |
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77 | |
78 | # Modify the member just set | |
f8d3bf8f | 79 | gdb_test_no_output "set var foo.cloth = 35" "set var foo.cloth" |
c906108c SS |
80 | |
81 | # Now print out anon union again to see if the right member was set | |
f8d3bf8f MS |
82 | gdb_test "print foo" \ |
83 | "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 0, x = \{rock = 0, rock2 = 0\}, \{qux = 0, mux = 0\}, boulder = 0\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}" \ | |
84 | "print foo 3" | |
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85 | |
86 | # Step over next assignment to member | |
87 | ||
f8d3bf8f | 88 | gdb_test "next" "42\[ \t\]*foo.mux = 55;" "next 3" |
c906108c SS |
89 | |
90 | # Now print out anon union again | |
f8d3bf8f MS |
91 | gdb_test "print foo" \ |
92 | "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 44, x = \{rock = 44, rock2 = 0\}, \{qux = 44, mux = 44\}, boulder = 44\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}" \ | |
93 | "print foo 4" | |
c906108c SS |
94 | |
95 | # Modify the member just set | |
f8d3bf8f | 96 | gdb_test_no_output "set var foo.pebble = 45" "set var foo.pebble" |
c906108c SS |
97 | |
98 | # Now print out anon union again to see if the right member was set | |
f8d3bf8f MS |
99 | gdb_test "print foo" \ |
100 | "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 45, x = \{rock = 45, rock2 = 0\}, \{qux = 45, mux = 45\}, boulder = 45\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}" \ | |
101 | "print foo 5" | |
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102 | |
103 | # Modify another member at a different level | |
f8d3bf8f | 104 | gdb_test_no_output "set var foo.qux = 46" "set var foo.qux" |
c906108c SS |
105 | |
106 | # Now print out anon union again to see if the right member was set | |
f8d3bf8f MS |
107 | gdb_test "print foo" \ |
108 | "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 46, x = \{rock = 46, rock2 = 0\}, \{qux = 46, mux = 46\}, boulder = 46\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}" \ | |
109 | "print foo 6" | |
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110 | |
111 | # Modify the member at another level, but not the first one in the union | |
f8d3bf8f | 112 | gdb_test_no_output "set var foo.mux = 47" "set var foo.mux" |
c906108c SS |
113 | |
114 | # Now print out anon union again to see if things worked | |
f8d3bf8f MS |
115 | gdb_test "print foo" \ |
116 | "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 47, x = \{rock = 47, rock2 = 0\}, \{qux = 47, mux = 47\}, boulder = 47\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}" \ | |
117 | "print foo 7" | |
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118 | |
119 | # Modify a member of a struct in an anon union | |
f8d3bf8f | 120 | gdb_test_no_output "set var foo.x.rock = 48" "set var foo.x.rock" |
c906108c SS |
121 | |
122 | # Now print out anon union again to see if things worked | |
f8d3bf8f MS |
123 | gdb_test "print foo" \ |
124 | "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 48, x = \{rock = 48, rock2 = 0\}, \{qux = 48, mux = 48\}, boulder = 48\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}" \ | |
125 | "print foo 8" | |
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126 | |
127 | # Modify a member of a struct in an anon union, but something | |
128 | # that doesn't alias to some other union member | |
f8d3bf8f | 129 | gdb_test_no_output "set var foo.x.rock2 = 49" "set var foo.x.rock2" |
c906108c SS |
130 | |
131 | # Now print out anon union again to see if things worked | |
f8d3bf8f MS |
132 | gdb_test "print foo" \ |
133 | "\\$\[0-9\]* = \{num1 = \{zero = 0, one = 0\}, \{pebble = 48, x = \{rock = 48, rock2 = 49\}, \{qux = 48, mux = 48\}, boulder = 48\}, \{paper = 35, cloth = 35\}, num2 = \{two = 0, three = 0\}\}" \ | |
134 | "print foo 9" | |
c906108c | 135 | |
a0b3c4fd | 136 | # Step over next four assignments |
f8d3bf8f | 137 | gdb_test "next 4" "53\[ \t\]*w = 45;" "next 4" |
c906108c SS |
138 | |
139 | # Tests for anon unions that are not members of a class or struct | |
140 | ||
f8d3bf8f | 141 | gdb_test "print w" "\\$\[0-9\]* = 0" "print w 1" |
a0b3c4fd | 142 | |
f8d3bf8f | 143 | gdb_test "print z" "\\$\[0-9\]* = 0" "print z 1" |
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144 | |
145 | # Step over next assignment to w | |
f8d3bf8f | 146 | gdb_test "next" "55\[ \t\]*int j = 0;" "next 5" |
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147 | |
148 | # See if the change in value is noticed | |
f8d3bf8f | 149 | gdb_test "print w" "\\$\[0-9\]* = 45" "print w 2" |
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150 | |
151 | # See if z shows the same value | |
31e43e98 | 152 | gdb_test "print z" "\\$\[0-9\]* = 45" "print z 2" |
c906108c SS |
153 | |
154 | # Set the anon union member | |
f8d3bf8f | 155 | gdb_test_no_output "set var z = 27" "set var z" |
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156 | |
157 | # See if the change in value is noticed | |
f8d3bf8f | 158 | gdb_test "print w" "\\$\[0-9\]* = 27" "print w 3" |
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159 | |
160 | # See if z shows the same value | |
f8d3bf8f | 161 | gdb_test "print z" "\\$\[0-9\]* = 27" "print z 3" |