1 //===-- TextStubV3Tests.cpp - TBD V3 File Test ----------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===-----------------------------------------------------------------------===/
8 
9 #include "llvm/TextAPI/MachO/InterfaceFile.h"
10 #include "llvm/TextAPI/MachO/TextAPIReader.h"
11 #include "llvm/TextAPI/MachO/TextAPIWriter.h"
12 #include "gtest/gtest.h"
13 #include <string>
14 #include <vector>
15 
16 using namespace llvm;
17 using namespace llvm::MachO;
18 
19 struct ExportedSymbol {
20   SymbolKind Kind;
21   std::string Name;
22   bool WeakDefined;
23   bool ThreadLocalValue;
24 };
25 using ExportedSymbolSeq = std::vector<ExportedSymbol>;
26 using UUIDs = std::vector<std::pair<Architecture, std::string>>;
27 
28 inline bool operator<(const ExportedSymbol &lhs, const ExportedSymbol &rhs) {
29   return std::tie(lhs.Kind, lhs.Name) < std::tie(rhs.Kind, rhs.Name);
30 }
31 
32 inline bool operator==(const ExportedSymbol &lhs, const ExportedSymbol &rhs) {
33   return std::tie(lhs.Kind, lhs.Name, lhs.WeakDefined, lhs.ThreadLocalValue) ==
34          std::tie(rhs.Kind, rhs.Name, rhs.WeakDefined, rhs.ThreadLocalValue);
35 }
36 
37 static ExportedSymbol TBDv3Symbols[] = {
38     {SymbolKind::GlobalSymbol, "$ld$hide$os9.0$_sym1", false, false},
39     {SymbolKind::GlobalSymbol, "_sym1", false, false},
40     {SymbolKind::GlobalSymbol, "_sym2", false, false},
41     {SymbolKind::GlobalSymbol, "_sym3", false, false},
42     {SymbolKind::GlobalSymbol, "_sym4", false, false},
43     {SymbolKind::GlobalSymbol, "_sym5", false, false},
44     {SymbolKind::GlobalSymbol, "_tlv1", false, true},
45     {SymbolKind::GlobalSymbol, "_tlv3", false, true},
46     {SymbolKind::GlobalSymbol, "_weak1", true, false},
47     {SymbolKind::GlobalSymbol, "_weak2", true, false},
48     {SymbolKind::GlobalSymbol, "_weak3", true, false},
49     {SymbolKind::ObjectiveCClass, "class1", false, false},
50     {SymbolKind::ObjectiveCClass, "class2", false, false},
51     {SymbolKind::ObjectiveCClass, "class3", false, false},
52     {SymbolKind::ObjectiveCClassEHType, "class1", false, false},
53     {SymbolKind::ObjectiveCInstanceVariable, "class1._ivar1", false, false},
54     {SymbolKind::ObjectiveCInstanceVariable, "class1._ivar2", false, false},
55     {SymbolKind::ObjectiveCInstanceVariable, "class1._ivar3", false, false},
56 };
57 
58 namespace TBDv3 {
59 
60 TEST(TBDv3, ReadFile) {
61   static const char tbd_v3_file1[] =
62       "--- !tapi-tbd-v3\n"
63       "archs: [ armv7, arm64 ]\n"
64       "uuids: [ 'armv7: 00000000-0000-0000-0000-000000000000',\n"
65       "         'arm64: 11111111-1111-1111-1111-111111111111']\n"
66       "platform: ios\n"
67       "flags: [ installapi ]\n"
68       "install-name: Test.dylib\n"
69       "current-version: 2.3.4\n"
70       "compatibility-version: 1.0\n"
71       "swift-abi-version: 1.1\n"
72       "parent-umbrella: Umbrella.dylib\n"
73       "exports:\n"
74       "  - archs: [ armv7, arm64 ]\n"
75       "    allowable-clients: [ clientA ]\n"
76       "    re-exports: [ /usr/lib/libfoo.dylib ]\n"
77       "    symbols: [ _sym1, _sym2, _sym3, _sym4, $ld$hide$os9.0$_sym1 ]\n"
78       "    objc-classes: [ class1, class2 ]\n"
79       "    objc-eh-types: [ class1 ]\n"
80       "    objc-ivars: [ class1._ivar1, class1._ivar2 ]\n"
81       "    weak-def-symbols: [ _weak1, _weak2 ]\n"
82       "    thread-local-symbols: [ _tlv1, _tlv3 ]\n"
83       "  - archs: [ armv7 ]\n"
84       "    symbols: [ _sym5 ]\n"
85       "    objc-classes: [ class3 ]\n"
86       "    objc-ivars: [ class1._ivar3 ]\n"
87       "    weak-def-symbols: [ _weak3 ]\n"
88       "    thread-local-symbols: [ _tlv3 ]\n"
89       "...\n";
90 
91   auto Result = TextAPIReader::get(MemoryBufferRef(tbd_v3_file1, "Test.tbd"));
92   EXPECT_TRUE(!!Result);
93   auto File = std::move(Result.get());
94   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
95   auto Archs = AK_armv7 | AK_arm64;
96   EXPECT_EQ(Archs, File->getArchitectures());
97   UUIDs uuids = {{AK_armv7, "00000000-0000-0000-0000-000000000000"},
98                  {AK_arm64, "11111111-1111-1111-1111-111111111111"}};
99   EXPECT_EQ(uuids, File->uuids());
100   EXPECT_EQ(PlatformKind::iOS, File->getPlatform());
101   EXPECT_EQ(std::string("Test.dylib"), File->getInstallName());
102   EXPECT_EQ(PackedVersion(2, 3, 4), File->getCurrentVersion());
103   EXPECT_EQ(PackedVersion(1, 0, 0), File->getCompatibilityVersion());
104   EXPECT_EQ(2U, File->getSwiftABIVersion());
105   EXPECT_EQ(ObjCConstraintType::Retain_Release, File->getObjCConstraint());
106   EXPECT_TRUE(File->isTwoLevelNamespace());
107   EXPECT_TRUE(File->isApplicationExtensionSafe());
108   EXPECT_TRUE(File->isInstallAPI());
109   InterfaceFileRef client("clientA", Archs);
110   InterfaceFileRef reexport("/usr/lib/libfoo.dylib", Archs);
111   EXPECT_EQ(1U, File->allowableClients().size());
112   EXPECT_EQ(client, File->allowableClients().front());
113   EXPECT_EQ(1U, File->reexportedLibraries().size());
114   EXPECT_EQ(reexport, File->reexportedLibraries().front());
115 
116   ExportedSymbolSeq Exports;
117   for (const auto *Sym : File->symbols()) {
118     EXPECT_FALSE(Sym->isWeakReferenced());
119     EXPECT_FALSE(Sym->isUndefined());
120     Exports.emplace_back(ExportedSymbol{Sym->getKind(), Sym->getName(),
121                                         Sym->isWeakDefined(),
122                                         Sym->isThreadLocalValue()});
123   }
124   llvm::sort(Exports.begin(), Exports.end());
125 
126   EXPECT_EQ(sizeof(TBDv3Symbols) / sizeof(ExportedSymbol), Exports.size());
127   EXPECT_TRUE(
128       std::equal(Exports.begin(), Exports.end(), std::begin(TBDv3Symbols)));
129 }
130 
131 TEST(TBDv3, WriteFile) {
132   static const char tbd_v3_file3[] =
133       "--- !tapi-tbd-v3\n"
134       "archs:           [ i386, x86_64 ]\n"
135       "platform:        macosx\n"
136       "install-name:    '/usr/lib/libfoo.dylib'\n"
137       "current-version: 1.2.3\n"
138       "compatibility-version: 0\n"
139       "swift-abi-version: 5\n"
140       "exports:\n"
141       "  - archs:           [ i386 ]\n"
142       "    symbols:         [ _sym1 ]\n"
143       "    weak-def-symbols: [ _sym2 ]\n"
144       "    thread-local-symbols: [ _sym3 ]\n"
145       "  - archs:           [ x86_64 ]\n"
146       "    allowable-clients: [ clientA ]\n"
147       "    re-exports:      [ '/usr/lib/libfoo.dylib' ]\n"
148       "    objc-classes:    [ Class1 ]\n"
149       "    objc-eh-types:   [ Class1 ]\n"
150       "    objc-ivars:      [ Class1._ivar1 ]\n"
151       "...\n";
152 
153   InterfaceFile File;
154   File.setPath("libfoo.dylib");
155   File.setInstallName("/usr/lib/libfoo.dylib");
156   File.setFileType(FileType::TBD_V3);
157   File.setArchitectures(AK_i386 | AK_x86_64);
158   File.setPlatform(PlatformKind::macOS);
159   File.setCurrentVersion(PackedVersion(1, 2, 3));
160   File.setTwoLevelNamespace();
161   File.setApplicationExtensionSafe();
162   File.setSwiftABIVersion(5);
163   File.setObjCConstraint(ObjCConstraintType::Retain_Release);
164   File.addAllowableClient("clientA", AK_x86_64);
165   File.addReexportedLibrary("/usr/lib/libfoo.dylib", AK_x86_64);
166   File.addSymbol(SymbolKind::GlobalSymbol, "_sym1", AK_i386);
167   File.addSymbol(SymbolKind::GlobalSymbol, "_sym2", AK_i386,
168                  SymbolFlags::WeakDefined);
169   File.addSymbol(SymbolKind::GlobalSymbol, "_sym3", AK_i386,
170                  SymbolFlags::ThreadLocalValue);
171   File.addSymbol(SymbolKind::ObjectiveCClass, "Class1", AK_x86_64);
172   File.addSymbol(SymbolKind::ObjectiveCClassEHType, "Class1", AK_x86_64);
173   File.addSymbol(SymbolKind::ObjectiveCInstanceVariable, "Class1._ivar1",
174                  AK_x86_64);
175 
176   SmallString<4096> Buffer;
177   raw_svector_ostream OS(Buffer);
178   auto Result = TextAPIWriter::writeToStream(OS, File);
179   EXPECT_FALSE(Result);
180   EXPECT_STREQ(tbd_v3_file3, Buffer.c_str());
181 }
182 
183 TEST(TBDv3, Platform_macOS) {
184   static const char tbd_v1_platform_macos[] = "--- !tapi-tbd-v3\n"
185                                               "archs: [ x86_64 ]\n"
186                                               "platform: macosx\n"
187                                               "install-name: Test.dylib\n"
188                                               "...\n";
189 
190   auto Result =
191       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_macos, "Test.tbd"));
192   EXPECT_TRUE(!!Result);
193   auto File = std::move(Result.get());
194   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
195   EXPECT_EQ(PlatformKind::macOS, File->getPlatform());
196 }
197 
198 TEST(TBDv3, Platform_iOS) {
199   static const char tbd_v1_platform_ios[] = "--- !tapi-tbd-v3\n"
200                                             "archs: [ arm64 ]\n"
201                                             "platform: ios\n"
202                                             "install-name: Test.dylib\n"
203                                             "...\n";
204 
205   auto Result =
206       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_ios, "Test.tbd"));
207   EXPECT_TRUE(!!Result);
208   auto File = std::move(Result.get());
209   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
210   EXPECT_EQ(PlatformKind::iOS, File->getPlatform());
211 }
212 
213 TEST(TBDv3, Platform_watchOS) {
214   static const char tbd_v1_platform_watchos[] = "--- !tapi-tbd-v3\n"
215                                                 "archs: [ armv7k ]\n"
216                                                 "platform: watchos\n"
217                                                 "install-name: Test.dylib\n"
218                                                 "...\n";
219 
220   auto Result =
221       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_watchos, "Test.tbd"));
222   EXPECT_TRUE(!!Result);
223   auto File = std::move(Result.get());
224   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
225   EXPECT_EQ(PlatformKind::watchOS, File->getPlatform());
226 }
227 
228 TEST(TBDv3, Platform_tvOS) {
229   static const char tbd_v1_platform_tvos[] = "--- !tapi-tbd-v3\n"
230                                              "archs: [ arm64 ]\n"
231                                              "platform: tvos\n"
232                                              "install-name: Test.dylib\n"
233                                              "...\n";
234 
235   auto Result =
236       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_tvos, "Test.tbd"));
237   EXPECT_TRUE(!!Result);
238   auto File = std::move(Result.get());
239   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
240   EXPECT_EQ(PlatformKind::tvOS, File->getPlatform());
241 }
242 
243 TEST(TBDv3, Platform_bridgeOS) {
244   static const char tbd_v1_platform_bridgeos[] = "--- !tapi-tbd-v3\n"
245                                                  "archs: [ armv7k ]\n"
246                                                  "platform: bridgeos\n"
247                                                  "install-name: Test.dylib\n"
248                                                  "...\n";
249 
250   auto Result =
251       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_bridgeos, "Test.tbd"));
252   EXPECT_TRUE(!!Result);
253   auto File = std::move(Result.get());
254   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
255   EXPECT_EQ(PlatformKind::bridgeOS, File->getPlatform());
256 }
257 
258 TEST(TBDv3, Swift_1_0) {
259   static const char tbd_v1_swift_1_0[] = "--- !tapi-tbd-v3\n"
260                                          "archs: [ arm64 ]\n"
261                                          "platform: ios\n"
262                                          "install-name: Test.dylib\n"
263                                          "swift-abi-version: 1.0\n"
264                                          "...\n";
265 
266   auto Result =
267       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_1_0, "Test.tbd"));
268   EXPECT_TRUE(!!Result);
269   auto File = std::move(Result.get());
270   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
271   EXPECT_EQ(1U, File->getSwiftABIVersion());
272 }
273 
274 TEST(TBDv3, Swift_1_1) {
275   static const char tbd_v1_swift_1_1[] = "--- !tapi-tbd-v3\n"
276                                          "archs: [ arm64 ]\n"
277                                          "platform: ios\n"
278                                          "install-name: Test.dylib\n"
279                                          "swift-abi-version: 1.1\n"
280                                          "...\n";
281 
282   auto Result =
283       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_1_1, "Test.tbd"));
284   EXPECT_TRUE(!!Result);
285   auto File = std::move(Result.get());
286   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
287   EXPECT_EQ(2U, File->getSwiftABIVersion());
288 }
289 
290 TEST(TBDv3, Swift_2_0) {
291   static const char tbd_v1_swift_2_0[] = "--- !tapi-tbd-v3\n"
292                                          "archs: [ arm64 ]\n"
293                                          "platform: ios\n"
294                                          "install-name: Test.dylib\n"
295                                          "swift-abi-version: 2.0\n"
296                                          "...\n";
297 
298   auto Result =
299       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_2_0, "Test.tbd"));
300   EXPECT_TRUE(!!Result);
301   auto File = std::move(Result.get());
302   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
303   EXPECT_EQ(3U, File->getSwiftABIVersion());
304 }
305 
306 TEST(TBDv3, Swift_3_0) {
307   static const char tbd_v1_swift_3_0[] = "--- !tapi-tbd-v3\n"
308                                          "archs: [ arm64 ]\n"
309                                          "platform: ios\n"
310                                          "install-name: Test.dylib\n"
311                                          "swift-abi-version: 3.0\n"
312                                          "...\n";
313 
314   auto Result =
315       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_3_0, "Test.tbd"));
316   EXPECT_TRUE(!!Result);
317   auto File = std::move(Result.get());
318   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
319   EXPECT_EQ(4U, File->getSwiftABIVersion());
320 }
321 
322 TEST(TBDv3, Swift_4_0) {
323   static const char tbd_v1_swift_4_0[] = "--- !tapi-tbd-v3\n"
324                                          "archs: [ arm64 ]\n"
325                                          "platform: ios\n"
326                                          "install-name: Test.dylib\n"
327                                          "swift-abi-version: 4.0\n"
328                                          "...\n";
329 
330   auto Result =
331       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_4_0, "Test.tbd"));
332   EXPECT_FALSE(!!Result);
333   auto errorMessage = toString(Result.takeError());
334   EXPECT_EQ("malformed file\nTest.tbd:5:20: error: invalid Swift ABI "
335             "version.\nswift-abi-version: 4.0\n                   ^~~\n",
336             errorMessage);
337 }
338 
339 TEST(TBDv3, Swift_5) {
340   static const char tbd_v1_swift_5[] = "--- !tapi-tbd-v3\n"
341                                        "archs: [ arm64 ]\n"
342                                        "platform: ios\n"
343                                        "install-name: Test.dylib\n"
344                                        "swift-abi-version: 5\n"
345                                        "...\n";
346 
347   auto Result = TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_5, "Test.tbd"));
348   EXPECT_TRUE(!!Result);
349   auto File = std::move(Result.get());
350   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
351   EXPECT_EQ(5U, File->getSwiftABIVersion());
352 }
353 
354 TEST(TBDv3, Swift_99) {
355   static const char tbd_v1_swift_99[] = "--- !tapi-tbd-v3\n"
356                                         "archs: [ arm64 ]\n"
357                                         "platform: ios\n"
358                                         "install-name: Test.dylib\n"
359                                         "swift-abi-version: 99\n"
360                                         "...\n";
361 
362   auto Result =
363       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_99, "Test.tbd"));
364   EXPECT_TRUE(!!Result);
365   auto File = std::move(Result.get());
366   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
367   EXPECT_EQ(99U, File->getSwiftABIVersion());
368 }
369 
370 TEST(TBDv3, UnknownArchitecture) {
371   static const char tbd_v3_file_unknown_architecture[] =
372       "--- !tapi-tbd-v3\n"
373       "archs: [ foo ]\n"
374       "platform: macosx\n"
375       "install-name: Test.dylib\n"
376       "...\n";
377 
378   auto Result = TextAPIReader::get(
379       MemoryBufferRef(tbd_v3_file_unknown_architecture, "Test.tbd"));
380   EXPECT_TRUE(!!Result);
381 }
382 
383 TEST(TBDv3, UnknownPlatform) {
384   static const char tbd_v3_file_unknown_platform[] = "--- !tapi-tbd-v3\n"
385                                                      "archs: [ i386 ]\n"
386                                                      "platform: newOS\n"
387                                                      "...\n";
388 
389   auto Result = TextAPIReader::get(
390       MemoryBufferRef(tbd_v3_file_unknown_platform, "Test.tbd"));
391   EXPECT_FALSE(!!Result);
392   auto errorMessage = toString(Result.takeError());
393   EXPECT_EQ("malformed file\nTest.tbd:3:11: error: unknown platform\nplatform: "
394             "newOS\n          ^~~~~\n",
395             errorMessage);
396 }
397 
398 TEST(TBDv3, MalformedFile1) {
399   static const char malformed_file1[] = "--- !tapi-tbd-v3\n"
400                                         "archs: [ arm64 ]\n"
401                                         "foobar: \"Unsupported key\"\n"
402                                         "...\n";
403 
404   auto Result =
405       TextAPIReader::get(MemoryBufferRef(malformed_file1, "Test.tbd"));
406   EXPECT_FALSE(!!Result);
407   auto errorMessage = toString(Result.takeError());
408   ASSERT_EQ("malformed file\nTest.tbd:2:1: error: missing required key "
409             "'platform'\narchs: [ arm64 ]\n^\n",
410             errorMessage);
411 }
412 
413 TEST(TBDv3, MalformedFile2) {
414   static const char malformed_file2[] = "--- !tapi-tbd-v3\n"
415                                         "archs: [ arm64 ]\n"
416                                         "platform: ios\n"
417                                         "install-name: Test.dylib\n"
418                                         "foobar: \"Unsupported key\"\n"
419                                         "...\n";
420 
421   auto Result =
422       TextAPIReader::get(MemoryBufferRef(malformed_file2, "Test.tbd"));
423   EXPECT_FALSE(!!Result);
424   auto errorMessage = toString(Result.takeError());
425   ASSERT_EQ(
426       "malformed file\nTest.tbd:5:9: error: unknown key 'foobar'\nfoobar: "
427       "\"Unsupported key\"\n        ^~~~~~~~~~~~~~~~~\n",
428       errorMessage);
429 }
430 
431 } // namespace TBDv3
432