1 //===-- TextStubV1Tests.cpp - TBD V1 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 
27 inline bool operator<(const ExportedSymbol &lhs, const ExportedSymbol &rhs) {
28   return std::tie(lhs.Kind, lhs.Name) < std::tie(rhs.Kind, rhs.Name);
29 }
30 
31 inline bool operator==(const ExportedSymbol &lhs, const ExportedSymbol &rhs) {
32   return std::tie(lhs.Kind, lhs.Name, lhs.WeakDefined, lhs.ThreadLocalValue) ==
33          std::tie(rhs.Kind, rhs.Name, rhs.WeakDefined, rhs.ThreadLocalValue);
34 }
35 
36 static ExportedSymbol TBDv1Symbols[] = {
37     {SymbolKind::GlobalSymbol, "$ld$hide$os9.0$_sym1", false, false},
38     {SymbolKind::GlobalSymbol, "_sym1", false, false},
39     {SymbolKind::GlobalSymbol, "_sym2", false, false},
40     {SymbolKind::GlobalSymbol, "_sym3", false, false},
41     {SymbolKind::GlobalSymbol, "_sym4", false, false},
42     {SymbolKind::GlobalSymbol, "_sym5", false, false},
43     {SymbolKind::GlobalSymbol, "_tlv1", false, true},
44     {SymbolKind::GlobalSymbol, "_tlv2", 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::ObjectiveCInstanceVariable, "class1._ivar1", false, false},
53     {SymbolKind::ObjectiveCInstanceVariable, "class1._ivar2", false, false},
54     {SymbolKind::ObjectiveCInstanceVariable, "class1._ivar3", false, false},
55 };
56 
57 namespace TBDv1 {
58 
59 TEST(TBDv1, ReadFile) {
60   static const char tbd_v1_file1[] =
61       "---\n"
62       "archs: [ armv7, armv7s, armv7k, arm64 ]\n"
63       "platform: ios\n"
64       "install-name: Test.dylib\n"
65       "current-version: 2.3.4\n"
66       "compatibility-version: 1.0\n"
67       "swift-version: 1.1\n"
68       "exports:\n"
69       "  - archs: [ armv7, armv7s, armv7k, arm64 ]\n"
70       "    allowed-clients: [ clientA ]\n"
71       "    re-exports: [ /usr/lib/libfoo.dylib ]\n"
72       "    symbols: [ _sym1, _sym2, _sym3, _sym4, $ld$hide$os9.0$_sym1 ]\n"
73       "    objc-classes: [ _class1, _class2 ]\n"
74       "    objc-ivars: [ _class1._ivar1, _class1._ivar2 ]\n"
75       "    weak-def-symbols: [ _weak1, _weak2 ]\n"
76       "    thread-local-symbols: [ _tlv1, _tlv2 ]\n"
77       "  - archs: [ armv7, armv7s, armv7k ]\n"
78       "    symbols: [ _sym5 ]\n"
79       "    objc-classes: [ _class3 ]\n"
80       "    objc-ivars: [ _class1._ivar3 ]\n"
81       "    weak-def-symbols: [ _weak3 ]\n"
82       "    thread-local-symbols: [ _tlv3 ]\n"
83       "...\n";
84 
85   auto Result = TextAPIReader::get(MemoryBufferRef(tbd_v1_file1, "Test.tbd"));
86   EXPECT_TRUE(!!Result);
87   auto File = std::move(Result.get());
88   EXPECT_EQ(FileType::TBD_V1, File->getFileType());
89   auto Archs = AK_armv7 | AK_armv7s | AK_armv7k | AK_arm64;
90   auto Platform = PlatformKind::iOS;
91   TargetList Targets;
92   for (auto &&arch : Archs)
93     Targets.emplace_back(Target(arch, Platform));
94   EXPECT_EQ(Archs, File->getArchitectures());
95   EXPECT_EQ(File->getPlatforms().size(), 1U);
96   EXPECT_EQ(Platform, *File->getPlatforms().begin());
97   EXPECT_EQ(std::string("Test.dylib"), File->getInstallName());
98   EXPECT_EQ(PackedVersion(2, 3, 4), File->getCurrentVersion());
99   EXPECT_EQ(PackedVersion(1, 0, 0), File->getCompatibilityVersion());
100   EXPECT_EQ(2U, File->getSwiftABIVersion());
101   EXPECT_EQ(ObjCConstraintType::None, File->getObjCConstraint());
102   EXPECT_TRUE(File->isTwoLevelNamespace());
103   EXPECT_TRUE(File->isApplicationExtensionSafe());
104   EXPECT_FALSE(File->isInstallAPI());
105   InterfaceFileRef client("clientA", Targets);
106   InterfaceFileRef reexport("/usr/lib/libfoo.dylib", Targets);
107   EXPECT_EQ(1U, File->allowableClients().size());
108   EXPECT_EQ(client, File->allowableClients().front());
109   EXPECT_EQ(1U, File->reexportedLibraries().size());
110   EXPECT_EQ(reexport, File->reexportedLibraries().front());
111 
112   ExportedSymbolSeq Exports;
113   for (const auto *Sym : File->symbols()) {
114     EXPECT_FALSE(Sym->isWeakReferenced());
115     EXPECT_FALSE(Sym->isUndefined());
116     Exports.emplace_back(ExportedSymbol{Sym->getKind(), Sym->getName(),
117                                         Sym->isWeakDefined(),
118                                         Sym->isThreadLocalValue()});
119   }
120   llvm::sort(Exports.begin(), Exports.end());
121 
122   EXPECT_EQ(sizeof(TBDv1Symbols) / sizeof(ExportedSymbol), Exports.size());
123   EXPECT_TRUE(
124       std::equal(Exports.begin(), Exports.end(), std::begin(TBDv1Symbols)));
125 
126   File->addSymbol(SymbolKind::ObjectiveCClassEHType, "Class1", {Targets[1]});
127   File->addSymbol(SymbolKind::ObjectiveCInstanceVariable, "Class1._ivar1",
128                   {Targets[1]});
129 }
130 
131 TEST(TBDv1, ReadFile2) {
132   static const char tbd_v1_file2[] = "--- !tapi-tbd-v1\n"
133                                      "archs: [ armv7, armv7s, armv7k, arm64 ]\n"
134                                      "platform: ios\n"
135                                      "install-name: Test.dylib\n"
136                                      "...\n";
137 
138   auto Result = TextAPIReader::get(MemoryBufferRef(tbd_v1_file2, "Test.tbd"));
139   EXPECT_TRUE(!!Result);
140   auto File = std::move(Result.get());
141   EXPECT_EQ(FileType::TBD_V1, File->getFileType());
142   auto Archs = AK_armv7 | AK_armv7s | AK_armv7k | AK_arm64;
143   auto Platform = PlatformKind::iOS;
144   TargetList Targets;
145   for (auto &&arch : Archs)
146     Targets.emplace_back(Target(arch, Platform));
147   EXPECT_EQ(Archs, File->getArchitectures());
148   EXPECT_EQ(File->getPlatforms().size(), 1U);
149   EXPECT_EQ(Platform, *File->getPlatforms().begin());
150   EXPECT_EQ(std::string("Test.dylib"), File->getInstallName());
151   EXPECT_EQ(PackedVersion(1, 0, 0), File->getCurrentVersion());
152   EXPECT_EQ(PackedVersion(1, 0, 0), File->getCompatibilityVersion());
153   EXPECT_EQ(0U, File->getSwiftABIVersion());
154   EXPECT_EQ(ObjCConstraintType::None, File->getObjCConstraint());
155   EXPECT_TRUE(File->isTwoLevelNamespace());
156   EXPECT_TRUE(File->isApplicationExtensionSafe());
157   EXPECT_FALSE(File->isInstallAPI());
158   EXPECT_EQ(0U, File->allowableClients().size());
159   EXPECT_EQ(0U, File->reexportedLibraries().size());
160 }
161 
162 TEST(TBDv1, WriteFile) {
163   static const char tbd_v1_file3[] =
164       "---\n"
165       "archs:           [ i386, x86_64 ]\n"
166       "platform:        macosx\n"
167       "install-name:    '/usr/lib/libfoo.dylib'\n"
168       "current-version: 1.2.3\n"
169       "compatibility-version: 0\n"
170       "swift-version:   5\n"
171       "objc-constraint: retain_release\n"
172       "exports:\n"
173       "  - archs:           [ i386 ]\n"
174       "    symbols:         [ _sym1 ]\n"
175       "    weak-def-symbols: [ _sym2 ]\n"
176       "    thread-local-symbols: [ _sym3 ]\n"
177       "  - archs:           [ x86_64 ]\n"
178       "    allowed-clients: [ clientA ]\n"
179       "    re-exports:      [ '/usr/lib/libfoo.dylib' ]\n"
180       "    symbols:         [ '_OBJC_EHTYPE_$_Class1' ]\n"
181       "    objc-classes:    [ _Class1 ]\n"
182       "    objc-ivars:      [ _Class1._ivar1 ]\n"
183       "...\n";
184 
185   InterfaceFile File;
186   TargetList Targets;
187   for (auto &&arch : AK_i386 | AK_x86_64)
188     Targets.emplace_back(Target(arch, PlatformKind::macOS));
189   File.setPath("libfoo.dylib");
190   File.setInstallName("/usr/lib/libfoo.dylib");
191   File.setFileType(FileType::TBD_V1);
192   File.addTargets(Targets);
193   File.setCurrentVersion(PackedVersion(1, 2, 3));
194   File.setSwiftABIVersion(5);
195   File.setObjCConstraint(ObjCConstraintType::Retain_Release);
196   File.addAllowableClient("clientA", Targets[1]);
197   File.addReexportedLibrary("/usr/lib/libfoo.dylib", Targets[1]);
198   File.addSymbol(SymbolKind::GlobalSymbol, "_sym1", {Targets[0]});
199   File.addSymbol(SymbolKind::GlobalSymbol, "_sym2", {Targets[0]},
200                  SymbolFlags::WeakDefined);
201   File.addSymbol(SymbolKind::GlobalSymbol, "_sym3", {Targets[0]},
202                  SymbolFlags::ThreadLocalValue);
203   File.addSymbol(SymbolKind::ObjectiveCClass, "Class1", {Targets[1]});
204   File.addSymbol(SymbolKind::ObjectiveCClassEHType, "Class1", {Targets[1]});
205   File.addSymbol(SymbolKind::ObjectiveCInstanceVariable, "Class1._ivar1",
206                  {Targets[1]});
207 
208   SmallString<4096> Buffer;
209   raw_svector_ostream OS(Buffer);
210   auto Result = TextAPIWriter::writeToStream(OS, File);
211   EXPECT_FALSE(Result);
212   EXPECT_STREQ(tbd_v1_file3, Buffer.c_str());
213 }
214 
215 TEST(TBDv1, Platform_macOS) {
216   static const char tbd_v1_platform_macos[] = "---\n"
217                                               "archs: [ x86_64 ]\n"
218                                               "platform: macosx\n"
219                                               "install-name: Test.dylib\n"
220                                               "...\n";
221 
222   auto Result =
223       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_macos, "Test.tbd"));
224   EXPECT_TRUE(!!Result);
225   auto Platform = PlatformKind::macOS;
226   auto File = std::move(Result.get());
227   EXPECT_EQ(FileType::TBD_V1, File->getFileType());
228   EXPECT_EQ(File->getPlatforms().size(), 1U);
229   EXPECT_EQ(Platform, *File->getPlatforms().begin());
230 }
231 
232 TEST(TBDv1, Platform_iOS) {
233   static const char tbd_v1_platform_ios[] = "---\n"
234                                             "archs: [ arm64 ]\n"
235                                             "platform: ios\n"
236                                             "install-name: Test.dylib\n"
237                                             "...\n";
238 
239   auto Result =
240       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_ios, "Test.tbd"));
241   EXPECT_TRUE(!!Result);
242   auto Platform = PlatformKind::iOS;
243   auto File = std::move(Result.get());
244   EXPECT_EQ(FileType::TBD_V1, File->getFileType());
245   EXPECT_EQ(File->getPlatforms().size(), 1U);
246   EXPECT_EQ(Platform, *File->getPlatforms().begin());
247 }
248 
249 TEST(TBDv1, Platform_watchOS) {
250   static const char tbd_v1_platform_watchos[] = "---\n"
251                                                 "archs: [ armv7k ]\n"
252                                                 "platform: watchos\n"
253                                                 "install-name: Test.dylib\n"
254                                                 "...\n";
255 
256   auto Result =
257       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_watchos, "Test.tbd"));
258   EXPECT_TRUE(!!Result);
259   auto Platform = PlatformKind::watchOS;
260   auto File = std::move(Result.get());
261   EXPECT_EQ(FileType::TBD_V1, File->getFileType());
262   EXPECT_EQ(File->getPlatforms().size(), 1U);
263   EXPECT_EQ(Platform, *File->getPlatforms().begin());
264 }
265 
266 TEST(TBDv1, Platform_tvOS) {
267   static const char tbd_v1_platform_tvos[] = "---\n"
268                                              "archs: [ arm64 ]\n"
269                                              "platform: tvos\n"
270                                              "install-name: Test.dylib\n"
271                                              "...\n";
272 
273   auto Result =
274       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_tvos, "Test.tbd"));
275   EXPECT_TRUE(!!Result);
276   auto Platform = PlatformKind::tvOS;
277   auto File = std::move(Result.get());
278   EXPECT_EQ(FileType::TBD_V1, File->getFileType());
279   EXPECT_EQ(File->getPlatforms().size(), 1U);
280   EXPECT_EQ(Platform, *File->getPlatforms().begin());
281 }
282 
283 TEST(TBDv1, Platform_bridgeOS) {
284   static const char tbd_v1_platform_bridgeos[] = "---\n"
285                                                  "archs: [ armv7k ]\n"
286                                                  "platform: bridgeos\n"
287                                                  "install-name: Test.dylib\n"
288                                                  "...\n";
289 
290   auto Result =
291       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_bridgeos, "Test.tbd"));
292   EXPECT_TRUE(!!Result);
293   auto Platform = PlatformKind::bridgeOS;
294   auto File = std::move(Result.get());
295   EXPECT_EQ(FileType::TBD_V1, File->getFileType());
296   EXPECT_EQ(File->getPlatforms().size(), 1U);
297   EXPECT_EQ(Platform, *File->getPlatforms().begin());
298 }
299 
300 TEST(TBDv1, Swift_1_0) {
301   static const char tbd_v1_swift_1_0[] = "---\n"
302                                          "archs: [ arm64 ]\n"
303                                          "platform: ios\n"
304                                          "install-name: Test.dylib\n"
305                                          "swift-version: 1.0\n"
306                                          "...\n";
307 
308   auto Result =
309       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_1_0, "Test.tbd"));
310   EXPECT_TRUE(!!Result);
311   auto File = std::move(Result.get());
312   EXPECT_EQ(FileType::TBD_V1, File->getFileType());
313   EXPECT_EQ(1U, File->getSwiftABIVersion());
314 }
315 
316 TEST(TBDv1, Swift_1_1) {
317   static const char tbd_v1_swift_1_1[] = "---\n"
318                                          "archs: [ arm64 ]\n"
319                                          "platform: ios\n"
320                                          "install-name: Test.dylib\n"
321                                          "swift-version: 1.1\n"
322                                          "...\n";
323 
324   auto Result =
325       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_1_1, "Test.tbd"));
326   EXPECT_TRUE(!!Result);
327   auto File = std::move(Result.get());
328   EXPECT_EQ(FileType::TBD_V1, File->getFileType());
329   EXPECT_EQ(2U, File->getSwiftABIVersion());
330 }
331 
332 TEST(TBDv1, Swift_2_0) {
333   static const char tbd_v1_swift_2_0[] = "---\n"
334                                          "archs: [ arm64 ]\n"
335                                          "platform: ios\n"
336                                          "install-name: Test.dylib\n"
337                                          "swift-version: 2.0\n"
338                                          "...\n";
339 
340   auto Result =
341       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_2_0, "Test.tbd"));
342   EXPECT_TRUE(!!Result);
343   auto File = std::move(Result.get());
344   EXPECT_EQ(FileType::TBD_V1, File->getFileType());
345   EXPECT_EQ(3U, File->getSwiftABIVersion());
346 }
347 
348 TEST(TBDv1, Swift_3_0) {
349   static const char tbd_v1_swift_3_0[] = "---\n"
350                                          "archs: [ arm64 ]\n"
351                                          "platform: ios\n"
352                                          "install-name: Test.dylib\n"
353                                          "swift-version: 3.0\n"
354                                          "...\n";
355 
356   auto Result =
357       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_3_0, "Test.tbd"));
358   EXPECT_TRUE(!!Result);
359   auto File = std::move(Result.get());
360   EXPECT_EQ(FileType::TBD_V1, File->getFileType());
361   EXPECT_EQ(4U, File->getSwiftABIVersion());
362 }
363 
364 TEST(TBDv1, Swift_4_0) {
365   static const char tbd_v1_swift_4_0[] = "---\n"
366                                          "archs: [ arm64 ]\n"
367                                          "platform: ios\n"
368                                          "install-name: Test.dylib\n"
369                                          "swift-version: 4.0\n"
370                                          "...\n";
371 
372   auto Result =
373       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_4_0, "Test.tbd"));
374   EXPECT_FALSE(!!Result);
375   auto errorMessage = toString(Result.takeError());
376   EXPECT_EQ("malformed file\nTest.tbd:5:16: error: invalid Swift ABI "
377             "version.\nswift-version: 4.0\n               ^~~\n",
378             errorMessage);
379 }
380 
381 TEST(TBDv1, Swift_5) {
382   static const char tbd_v1_swift_5[] = "---\n"
383                                        "archs: [ arm64 ]\n"
384                                        "platform: ios\n"
385                                        "install-name: Test.dylib\n"
386                                        "swift-version: 5\n"
387                                        "...\n";
388 
389   auto Result = TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_5, "Test.tbd"));
390   EXPECT_TRUE(!!Result);
391   auto File = std::move(Result.get());
392   EXPECT_EQ(FileType::TBD_V1, File->getFileType());
393   EXPECT_EQ(5U, File->getSwiftABIVersion());
394 }
395 
396 TEST(TBDv1, Swift_99) {
397   static const char tbd_v1_swift_99[] = "---\n"
398                                         "archs: [ arm64 ]\n"
399                                         "platform: ios\n"
400                                         "install-name: Test.dylib\n"
401                                         "swift-version: 99\n"
402                                         "...\n";
403 
404   auto Result =
405       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_99, "Test.tbd"));
406   EXPECT_TRUE(!!Result);
407   auto File = std::move(Result.get());
408   EXPECT_EQ(FileType::TBD_V1, File->getFileType());
409   EXPECT_EQ(99U, File->getSwiftABIVersion());
410 }
411 
412 TEST(TBDv1, UnknownArchitecture) {
413   static const char tbd_v1_file_unknown_architecture[] =
414       "---\n"
415       "archs: [ foo ]\n"
416       "platform: macosx\n"
417       "install-name: Test.dylib\n"
418       "...\n";
419 
420   auto Result = TextAPIReader::get(
421       MemoryBufferRef(tbd_v1_file_unknown_architecture, "Test.tbd"));
422   EXPECT_TRUE(!!Result);
423 }
424 
425 TEST(TBDv1, UnknownPlatform) {
426   static const char tbd_v1_file_unknown_platform[] = "---\n"
427                                                      "archs: [ i386 ]\n"
428                                                      "platform: newOS\n"
429                                                      "...\n";
430 
431   auto Result = TextAPIReader::get(
432       MemoryBufferRef(tbd_v1_file_unknown_platform, "Test.tbd"));
433   EXPECT_FALSE(!!Result);
434   auto errorMessage = toString(Result.takeError());
435   EXPECT_EQ("malformed file\nTest.tbd:3:11: error: unknown platform\nplatform: "
436             "newOS\n          ^~~~~\n",
437             errorMessage);
438 }
439 
440 TEST(TBDv1, MalformedFile1) {
441   static const char malformed_file1[] = "---\n"
442                                         "archs: [ arm64 ]\n"
443                                         "foobar: \"Unsupported key\"\n"
444                                         "...\n";
445 
446   auto Result =
447       TextAPIReader::get(MemoryBufferRef(malformed_file1, "Test.tbd"));
448   EXPECT_FALSE(!!Result);
449   auto errorMessage = toString(Result.takeError());
450   ASSERT_EQ("malformed file\nTest.tbd:2:1: error: missing required key "
451             "'platform'\narchs: [ arm64 ]\n^\n",
452             errorMessage);
453 }
454 
455 TEST(TBDv1, MalformedFile2) {
456   static const char malformed_file2[] = "---\n"
457                                         "archs: [ arm64 ]\n"
458                                         "platform: ios\n"
459                                         "install-name: Test.dylib\n"
460                                         "foobar: \"Unsupported key\"\n"
461                                         "...\n";
462 
463   auto Result =
464       TextAPIReader::get(MemoryBufferRef(malformed_file2, "Test.tbd"));
465   EXPECT_FALSE(!!Result);
466   auto errorMessage = toString(Result.takeError());
467   ASSERT_EQ(
468       "malformed file\nTest.tbd:5:9: error: unknown key 'foobar'\nfoobar: "
469       "\"Unsupported key\"\n        ^~~~~~~~~~~~~~~~~\n",
470       errorMessage);
471 }
472 
473 } // end namespace TBDv1.
474