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comparison: xpcom/tests/TestAtoms.cpp

xpcom/tests/TestAtoms.cpp

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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 #include "mozilla/ArrayUtils.h"
7
8 #include "nsIAtom.h"
9 #include "nsString.h"
10 #include "UTFStrings.h"
11 #include "nsIServiceManager.h"
12 #include "nsStaticAtom.h"
13
14 using namespace mozilla;
15
16 namespace TestAtoms {
17
18 bool
19 test_basic()
20 {
21 for (unsigned int i = 0; i < ArrayLength(ValidStrings); ++i) {
22 nsDependentString str16(ValidStrings[i].m16);
23 nsDependentCString str8(ValidStrings[i].m8);
24
25 nsCOMPtr<nsIAtom> atom = do_GetAtom(str16);
26
27 if (!atom->Equals(str16) || !atom->EqualsUTF8(str8))
28 return false;
29
30 nsString tmp16;
31 nsCString tmp8;
32 atom->ToString(tmp16);
33 atom->ToUTF8String(tmp8);
34 if (!str16.Equals(tmp16) || !str8.Equals(tmp8))
35 return false;
36
37 if (!nsDependentString(atom->GetUTF16String()).Equals(str16))
38 return false;
39
40 if (!nsAtomString(atom).Equals(str16) ||
41 !nsDependentAtomString(atom).Equals(str16) ||
42 !nsAtomCString(atom).Equals(str8))
43 return false;
44 }
45
46 return true;
47 }
48
49 bool
50 test_16vs8()
51 {
52 for (unsigned int i = 0; i < ArrayLength(ValidStrings); ++i) {
53 nsCOMPtr<nsIAtom> atom16 = do_GetAtom(ValidStrings[i].m16);
54 nsCOMPtr<nsIAtom> atom8 = do_GetAtom(ValidStrings[i].m8);
55 if (atom16 != atom8)
56 return false;
57 }
58
59 return true;
60 }
61
62 bool
63 test_buffersharing()
64 {
65 nsString unique;
66 unique.AssignLiteral("this is a unique string !@#$");
67
68 nsCOMPtr<nsIAtom> atom = do_GetAtom(unique);
69
70 return unique.get() == atom->GetUTF16String();
71 }
72
73 bool
74 test_null()
75 {
76 nsAutoString str(NS_LITERAL_STRING("string with a \0 char"));
77 nsDependentString strCut(str.get());
78
79 if (str.Equals(strCut))
80 return false;
81
82 nsCOMPtr<nsIAtom> atomCut = do_GetAtom(strCut);
83 nsCOMPtr<nsIAtom> atom = do_GetAtom(str);
84
85 return atom->GetLength() == str.Length() &&
86 atom->Equals(str) &&
87 atom->EqualsUTF8(NS_ConvertUTF16toUTF8(str)) &&
88 atom != atomCut &&
89 atomCut->Equals(strCut);
90 }
91
92 bool
93 test_invalid()
94 {
95 for (unsigned int i = 0; i < ArrayLength(Invalid16Strings); ++i) {
96 nsrefcnt count = NS_GetNumberOfAtoms();
97
98 {
99 nsCOMPtr<nsIAtom> atom16 = do_GetAtom(Invalid16Strings[i].m16);
100 if (!atom16->Equals(nsDependentString(Invalid16Strings[i].m16)))
101 return false;
102 }
103
104 if (count != NS_GetNumberOfAtoms())
105 return false;
106 }
107
108 for (unsigned int i = 0; i < ArrayLength(Invalid8Strings); ++i) {
109 nsrefcnt count = NS_GetNumberOfAtoms();
110
111 {
112 nsCOMPtr<nsIAtom> atom8 = do_GetAtom(Invalid8Strings[i].m8);
113 nsCOMPtr<nsIAtom> atom16 = do_GetAtom(Invalid8Strings[i].m16);
114 if (atom16 != atom8 ||
115 !atom16->Equals(nsDependentString(Invalid8Strings[i].m16)))
116 return false;
117 }
118
119 if (count != NS_GetNumberOfAtoms())
120 return false;
121 }
122
123 // Don't run this test in debug builds as that intentionally asserts.
124 #ifndef DEBUG
125 nsCOMPtr<nsIAtom> emptyAtom = do_GetAtom("");
126
127 for (unsigned int i = 0; i < ArrayLength(Malformed8Strings); ++i) {
128 nsrefcnt count = NS_GetNumberOfAtoms();
129
130 nsCOMPtr<nsIAtom> atom8 = do_GetAtom(Malformed8Strings[i]);
131 if (atom8 != emptyAtom ||
132 count != NS_GetNumberOfAtoms())
133 return false;
134 }
135 #endif
136
137 return true;
138 }
139
140 #define FIRST_ATOM_STR "first static atom. Hello!"
141 #define SECOND_ATOM_STR "second static atom. @World!"
142 #define THIRD_ATOM_STR "third static atom?!"
143
144 static nsIAtom* sAtom1 = 0;
145 static nsIAtom* sAtom2 = 0;
146 static nsIAtom* sAtom3 = 0;
147 NS_STATIC_ATOM_BUFFER(sAtom1_buffer, FIRST_ATOM_STR)
148 NS_STATIC_ATOM_BUFFER(sAtom2_buffer, SECOND_ATOM_STR)
149 NS_STATIC_ATOM_BUFFER(sAtom3_buffer, THIRD_ATOM_STR)
150 static const nsStaticAtom sAtoms_info[] = {
151 NS_STATIC_ATOM(sAtom1_buffer, &sAtom1),
152 NS_STATIC_ATOM(sAtom2_buffer, &sAtom2),
153 NS_STATIC_ATOM(sAtom3_buffer, &sAtom3),
154 };
155
156 bool
157 isStaticAtom(nsIAtom* atom)
158 {
159 // Don't use logic && in order to ensure that all addrefs/releases are always
160 // run, even if one of the tests fail. This allows us to run this code on a
161 // non-static atom without affecting its refcount.
162 return (atom->AddRef() == 2) &
163 (atom->AddRef() == 2) &
164 (atom->AddRef() == 2) &
165 (atom->Release() == 1) &
166 (atom->Release() == 1) &
167 (atom->Release() == 1);
168 }
169
170 bool
171 test_atomtable()
172 {
173 nsrefcnt count = NS_GetNumberOfAtoms();
174
175 nsCOMPtr<nsIAtom> thirdNonPerm = do_GetAtom(THIRD_ATOM_STR);
176
177 if (isStaticAtom(thirdNonPerm))
178 return false;
179
180 if (!thirdNonPerm || NS_GetNumberOfAtoms() != count + 1)
181 return false;
182
183 NS_RegisterStaticAtoms(sAtoms_info);
184
185 return sAtom1 &&
186 sAtom1->Equals(NS_LITERAL_STRING(FIRST_ATOM_STR)) &&
187 isStaticAtom(sAtom1) &&
188 sAtom2 &&
189 sAtom2->Equals(NS_LITERAL_STRING(SECOND_ATOM_STR)) &&
190 isStaticAtom(sAtom2) &&
191 sAtom3 &&
192 sAtom3->Equals(NS_LITERAL_STRING(THIRD_ATOM_STR)) &&
193 isStaticAtom(sAtom3) &&
194 NS_GetNumberOfAtoms() == count + 3 &&
195 thirdNonPerm == sAtom3;
196 }
197
198 #define FIRST_PERM_ATOM_STR "first permanent atom. Hello!"
199 #define SECOND_PERM_ATOM_STR "second permanent atom. @World!"
200
201 bool
202 test_permanent()
203 {
204 nsrefcnt count = NS_GetNumberOfAtoms();
205
206 {
207 nsCOMPtr<nsIAtom> first = do_GetAtom(FIRST_PERM_ATOM_STR);
208 if (!first->Equals(NS_LITERAL_STRING(FIRST_PERM_ATOM_STR)) ||
209 isStaticAtom(first))
210 return false;
211
212 nsCOMPtr<nsIAtom> first_p =
213 NS_NewPermanentAtom(NS_LITERAL_STRING(FIRST_PERM_ATOM_STR));
214 if (!first_p->Equals(NS_LITERAL_STRING(FIRST_PERM_ATOM_STR)) ||
215 !isStaticAtom(first_p) ||
216 first != first_p)
217 return false;
218
219 nsCOMPtr<nsIAtom> second_p =
220 NS_NewPermanentAtom(NS_LITERAL_STRING(SECOND_PERM_ATOM_STR));
221 if (!second_p->Equals(NS_LITERAL_STRING(SECOND_PERM_ATOM_STR)) ||
222 !isStaticAtom(second_p))
223 return false;
224
225 nsCOMPtr<nsIAtom> second = do_GetAtom(SECOND_PERM_ATOM_STR);
226 if (!second->Equals(NS_LITERAL_STRING(SECOND_PERM_ATOM_STR)) ||
227 !isStaticAtom(second) ||
228 second != second_p)
229 return false;
230 }
231
232 return NS_GetNumberOfAtoms() == count + 2;
233 }
234
235 typedef bool (*TestFunc)();
236
237 static const struct Test
238 {
239 const char* name;
240 TestFunc func;
241 }
242 tests[] =
243 {
244 { "test_basic", test_basic },
245 { "test_16vs8", test_16vs8 },
246 { "test_buffersharing", test_buffersharing },
247 { "test_null", test_null },
248 { "test_invalid", test_invalid },
249 // FIXME: Bug 577500 TestAtoms fails when run in dist/bin due to
250 // static atom table already being closed. TestStaticAtoms has similar
251 // failure.
252 #if 0
253 { "test_atomtable", test_atomtable },
254 { "test_permanent", test_permanent },
255 #endif
256 { nullptr, nullptr }
257 };
258
259 }
260
261 using namespace TestAtoms;
262
263 int main()
264 {
265 {
266 nsCOMPtr<nsIServiceManager> servMan;
267 NS_InitXPCOM2(getter_AddRefs(servMan), nullptr, nullptr);
268
269 for (const Test* t = tests; t->name != nullptr; ++t)
270 {
271 printf("%25s : %s\n", t->name, t->func() ? "SUCCESS" : "FAILURE <--");
272 }
273 }
274
275 NS_ShutdownXPCOM(nullptr);
276
277 return 0;
278 }

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