1 // dwp_test_1.cc -- a test case for dwp
2 
3 // Copyright (C) 2012-2014 Free Software Foundation, Inc.
4 // Written by Cary Coutant <ccoutant@google.com>.
5 
6 // This file is part of gold.
7 
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 3 of the License, or
11 // (at your option) any later version.
12 
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 // GNU General Public License for more details.
17 
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the Free Software
20 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 // MA 02110-1301, USA.
22 
23 // Adapted from two_file_test_1.cc.
24 
25 #include "dwp_test.h"
26 
27 // 1  Code in file 1 calls code in file 2.
28 
29 bool
testcase1()30 C1::testcase1()
31 {
32   return t1_2() == 123;
33 }
34 
35 // 2  Code in file 1 refers to global data in file 2.
36 
37 bool
testcase2()38 C1::testcase2()
39 {
40   return v2 == 456;
41 }
42 
43 // 3  Code in file 1 referes to common symbol in file 2.
44 
45 bool
testcase3()46 C1::testcase3()
47 {
48   return v3 == 789;
49 }
50 
51 // 4  Code in file 1 refers to offset within global data in file 2.
52 
53 bool
testcase4()54 C1::testcase4()
55 {
56   return v4[5] == ',';
57 }
58 
59 // 5  Code in file 1 refers to offset within common symbol in file 2.
60 
61 bool
testcase1()62 C2::testcase1()
63 {
64   return v5[7] == 'w';
65 }
66 
67 // 6  Data in file 1 refers to global data in file 2.
68 
69 int* p6 = &v2;
70 
71 bool
testcase2()72 C2::testcase2()
73 {
74   return *p6 == 456;
75 }
76 
77 // 7  Data in file 1 refers to common symbol in file 2.
78 
79 int* p7 = &v3;
80 
81 bool
testcase3()82 C2::testcase3()
83 {
84   return *p7 == 789;
85 }
86 
87 // 8  Data in file 1 refers to offset within global data in file 2.
88 
89 char* p8 = &v4[6];
90 
91 bool
testcase4()92 C2::testcase4()
93 {
94   return *p8 == ' ';
95 }
96 
97 // 9  Data in file 1 refers to offset within common symbol in file 2.
98 
99 char* p9 = &v5[8];
100 
101 bool
testcase1()102 C3::testcase1()
103 {
104   return *p9 == 'o';
105 }
106 
107 // 10 Data in file 1 refers to function in file 2.
108 
109 int (*pfn)() = &f10;
110 
111 bool
testcase2()112 C3::testcase2()
113 {
114   return (*pfn)() == 135;
115 }
116 
117 // 11 Pass function pointer from file 1 to file 2.
118 
119 int
f11a()120 f11a()
121 {
122   return 246;
123 }
124 
125 bool
testcase3()126 C3::testcase3()
127 {
128   return f11b(&f11a) == 246;
129 }
130 
131 // 12 Compare address of function for equality in both files.
132 
133 bool
t12()134 t12()
135 {
136   return &t12 == c3.f4();
137 }
138 
139 // 13 Compare address of inline function for equality in both files.
140 
141 bool
t13()142 t13()
143 {
144   return &f13i == f13();
145 }
146 
147 // 14 Compare string constants in file 1 and file 2.
148 
149 bool
t14()150 t14()
151 {
152   const char* s1 = TEST_STRING_CONSTANT;
153   const char* s2 = f14();
154   while (*s1 != '\0')
155     if (*s1++ != *s2++)
156       return false;
157   return *s2 == '\0';
158 }
159 
160 // 15 Compare wide string constants in file 1 and file 2.
161 
162 bool
t15()163 t15()
164 {
165   const wchar_t* s1 = TEST_WIDE_STRING_CONSTANT;
166   const wchar_t* s2 = f15();
167   while (*s1 != '\0')
168     if (*s1++ != *s2++)
169       return false;
170   return *s2 == '\0';
171 }
172 
173 // 16 Call a function directly after its address has been taken.
174 
175 bool
t16()176 t16()
177 {
178   return f10() == 135;
179 }
180 
181 // 17 File 1 checks array of string constants defined in file 2.
182 
183 bool
t17()184 t17()
185 {
186   char c = 'a';
187   for (int i = 0; i < T17_COUNT; ++i)
188     {
189       if (t17data[i][0] != c || t17data[i][1] != '\0')
190 	return false;
191       ++c;
192     }
193   return true;
194 }
195 
196 // 18 File 1 checks string constants referenced in code in file 2.
197 
198 bool
t18()199 t18()
200 {
201   char c = 'a';
202   for (int i = 0; i < T17_COUNT; ++i)
203     {
204       const char* s = f18(i);
205       if (s[0] != c || s[1] != '\0')
206         return false;
207       ++c;
208     }
209   return true;
210 }
211