1 //===-- TextStubV2Tests.cpp - TBD V2 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 TBDv2Symbols[] = {
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 TBDv2 {
58 
59 TEST(TBDv2, ReadFile) {
60   static const char tbd_v2_file1[] =
61       "--- !tapi-tbd-v2\n"
62       "archs: [ armv7, armv7s, armv7k, arm64 ]\n"
63       "platform: ios\n"
64       "flags: [ installapi ]\n"
65       "install-name: Test.dylib\n"
66       "current-version: 2.3.4\n"
67       "compatibility-version: 1.0\n"
68       "swift-version: 1.1\n"
69       "parent-umbrella: Umbrella.dylib\n"
70       "exports:\n"
71       "  - archs: [ armv7, armv7s, armv7k, arm64 ]\n"
72       "    allowable-clients: [ clientA ]\n"
73       "    re-exports: [ /usr/lib/libfoo.dylib ]\n"
74       "    symbols: [ _sym1, _sym2, _sym3, _sym4, $ld$hide$os9.0$_sym1 ]\n"
75       "    objc-classes: [ _class1, _class2 ]\n"
76       "    objc-ivars: [ _class1._ivar1, _class1._ivar2 ]\n"
77       "    weak-def-symbols: [ _weak1, _weak2 ]\n"
78       "    thread-local-symbols: [ _tlv1, _tlv2 ]\n"
79       "  - archs: [ armv7, armv7s, armv7k ]\n"
80       "    symbols: [ _sym5 ]\n"
81       "    objc-classes: [ _class3 ]\n"
82       "    objc-ivars: [ _class1._ivar3 ]\n"
83       "    weak-def-symbols: [ _weak3 ]\n"
84       "    thread-local-symbols: [ _tlv3 ]\n"
85       "...\n";
86 
87   auto Result = TextAPIReader::get(MemoryBufferRef(tbd_v2_file1, "Test.tbd"));
88   EXPECT_TRUE(!!Result);
89   auto File = std::move(Result.get());
90   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
91   auto Archs = AK_armv7 | AK_armv7s | AK_armv7k | AK_arm64;
92   EXPECT_EQ(Archs, File->getArchitectures());
93   EXPECT_EQ(PlatformKind::iOS, File->getPlatform());
94   EXPECT_EQ(std::string("Test.dylib"), File->getInstallName());
95   EXPECT_EQ(PackedVersion(2, 3, 4), File->getCurrentVersion());
96   EXPECT_EQ(PackedVersion(1, 0, 0), File->getCompatibilityVersion());
97   EXPECT_EQ(2U, File->getSwiftABIVersion());
98   EXPECT_EQ(ObjCConstraintType::Retain_Release, File->getObjCConstraint());
99   EXPECT_TRUE(File->isTwoLevelNamespace());
100   EXPECT_TRUE(File->isApplicationExtensionSafe());
101   EXPECT_TRUE(File->isInstallAPI());
102   InterfaceFileRef client("clientA", Archs);
103   InterfaceFileRef reexport("/usr/lib/libfoo.dylib", Archs);
104   EXPECT_EQ(1U, File->allowableClients().size());
105   EXPECT_EQ(client, File->allowableClients().front());
106   EXPECT_EQ(1U, File->reexportedLibraries().size());
107   EXPECT_EQ(reexport, File->reexportedLibraries().front());
108 
109   ExportedSymbolSeq Exports;
110   for (const auto *Sym : File->symbols()) {
111     EXPECT_FALSE(Sym->isWeakReferenced());
112     EXPECT_FALSE(Sym->isUndefined());
113     Exports.emplace_back(ExportedSymbol{Sym->getKind(), Sym->getName(),
114                                         Sym->isWeakDefined(),
115                                         Sym->isThreadLocalValue()});
116   }
117   llvm::sort(Exports.begin(), Exports.end());
118 
119   EXPECT_EQ(sizeof(TBDv2Symbols) / sizeof(ExportedSymbol), Exports.size());
120   EXPECT_TRUE(
121       std::equal(Exports.begin(), Exports.end(), std::begin(TBDv2Symbols)));
122 }
123 
124 TEST(TBDv2, ReadFile2) {
125   static const char tbd_v2_file2[] =
126       "--- !tapi-tbd-v2\n"
127       "archs: [ armv7, armv7s, armv7k, arm64 ]\n"
128       "platform: ios\n"
129       "flags: [ flat_namespace, not_app_extension_safe ]\n"
130       "install-name: Test.dylib\n"
131       "swift-version: 1.1\n"
132       "exports:\n"
133       "  - archs: [ armv7, armv7s, armv7k, arm64 ]\n"
134       "    symbols: [ _sym1, _sym2, _sym3, _sym4, $ld$hide$os9.0$_sym1 ]\n"
135       "    objc-classes: [ _class1, _class2 ]\n"
136       "    objc-ivars: [ _class1._ivar1, _class1._ivar2 ]\n"
137       "    weak-def-symbols: [ _weak1, _weak2 ]\n"
138       "    thread-local-symbols: [ _tlv1, _tlv2 ]\n"
139       "  - archs: [ armv7, armv7s, armv7k ]\n"
140       "    symbols: [ _sym5 ]\n"
141       "    objc-classes: [ _class3 ]\n"
142       "    objc-ivars: [ _class1._ivar3 ]\n"
143       "    weak-def-symbols: [ _weak3 ]\n"
144       "    thread-local-symbols: [ _tlv3 ]\n"
145       "undefineds:\n"
146       "  - archs: [ armv7, armv7s, armv7k, arm64 ]\n"
147       "    symbols: [ _undefSym1, _undefSym2, _undefSym3 ]\n"
148       "    objc-classes: [ _undefClass1, _undefClass2 ]\n"
149       "    objc-ivars: [ _undefClass1._ivar1, _undefClass1._ivar2 ]\n"
150       "    weak-ref-symbols: [ _undefWeak1, _undefWeak2 ]\n"
151       "...\n";
152 
153   auto Result = TextAPIReader::get(MemoryBufferRef(tbd_v2_file2, "Test.tbd"));
154   EXPECT_TRUE(!!Result);
155   auto File = std::move(Result.get());
156   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
157   auto Archs = AK_armv7 | AK_armv7s | AK_armv7k | AK_arm64;
158   EXPECT_EQ(Archs, File->getArchitectures());
159   EXPECT_EQ(PlatformKind::iOS, File->getPlatform());
160   EXPECT_EQ(std::string("Test.dylib"), File->getInstallName());
161   EXPECT_EQ(PackedVersion(1, 0, 0), File->getCurrentVersion());
162   EXPECT_EQ(PackedVersion(1, 0, 0), File->getCompatibilityVersion());
163   EXPECT_EQ(2U, File->getSwiftABIVersion());
164   EXPECT_EQ(ObjCConstraintType::Retain_Release, File->getObjCConstraint());
165   EXPECT_FALSE(File->isTwoLevelNamespace());
166   EXPECT_FALSE(File->isApplicationExtensionSafe());
167   EXPECT_FALSE(File->isInstallAPI());
168   EXPECT_EQ(0U, File->allowableClients().size());
169   EXPECT_EQ(0U, File->reexportedLibraries().size());
170 }
171 
172 TEST(TBDv2, WriteFile) {
173   static const char tbd_v2_file3[] =
174       "--- !tapi-tbd-v2\n"
175       "archs:           [ i386, x86_64 ]\n"
176       "platform:        macosx\n"
177       "install-name:    '/usr/lib/libfoo.dylib'\n"
178       "current-version: 1.2.3\n"
179       "compatibility-version: 0\n"
180       "swift-version:   5\n"
181       "exports:\n"
182       "  - archs:           [ i386 ]\n"
183       "    symbols:         [ _sym1 ]\n"
184       "    weak-def-symbols: [ _sym2 ]\n"
185       "    thread-local-symbols: [ _sym3 ]\n"
186       "  - archs:           [ x86_64 ]\n"
187       "    allowable-clients: [ clientA ]\n"
188       "    re-exports:      [ '/usr/lib/libfoo.dylib' ]\n"
189       "    symbols:         [ '_OBJC_EHTYPE_$_Class1' ]\n"
190       "    objc-classes:    [ _Class1 ]\n"
191       "    objc-ivars:      [ _Class1._ivar1 ]\n"
192       "...\n";
193 
194   InterfaceFile File;
195   File.setPath("libfoo.dylib");
196   File.setInstallName("/usr/lib/libfoo.dylib");
197   File.setFileType(FileType::TBD_V2);
198   File.setArchitectures(AK_i386 | AK_x86_64);
199   File.setPlatform(PlatformKind::macOS);
200   File.setCurrentVersion(PackedVersion(1, 2, 3));
201   File.setTwoLevelNamespace();
202   File.setApplicationExtensionSafe();
203   File.setSwiftABIVersion(5);
204   File.setObjCConstraint(ObjCConstraintType::Retain_Release);
205   File.addAllowableClient("clientA", AK_x86_64);
206   File.addReexportedLibrary("/usr/lib/libfoo.dylib", AK_x86_64);
207   File.addSymbol(SymbolKind::GlobalSymbol, "_sym1", AK_i386);
208   File.addSymbol(SymbolKind::GlobalSymbol, "_sym2", AK_i386,
209                  SymbolFlags::WeakDefined);
210   File.addSymbol(SymbolKind::GlobalSymbol, "_sym3", AK_i386,
211                  SymbolFlags::ThreadLocalValue);
212   File.addSymbol(SymbolKind::ObjectiveCClass, "Class1", AK_x86_64);
213   File.addSymbol(SymbolKind::ObjectiveCClassEHType, "Class1", AK_x86_64);
214   File.addSymbol(SymbolKind::ObjectiveCInstanceVariable, "Class1._ivar1",
215                  AK_x86_64);
216 
217   SmallString<4096> Buffer;
218   raw_svector_ostream OS(Buffer);
219   auto Result = TextAPIWriter::writeToStream(OS, File);
220   EXPECT_FALSE(Result);
221   EXPECT_STREQ(tbd_v2_file3, Buffer.c_str());
222 }
223 
224 TEST(TBDv2, Platform_macOS) {
225   static const char tbd_v1_platform_macos[] = "--- !tapi-tbd-v2\n"
226                                               "archs: [ x86_64 ]\n"
227                                               "platform: macosx\n"
228                                               "install-name: Test.dylib\n"
229                                               "...\n";
230 
231   auto Result =
232       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_macos, "Test.tbd"));
233   EXPECT_TRUE(!!Result);
234   auto File = std::move(Result.get());
235   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
236   EXPECT_EQ(PlatformKind::macOS, File->getPlatform());
237 }
238 
239 TEST(TBDv2, Platform_iOS) {
240   static const char tbd_v1_platform_ios[] = "--- !tapi-tbd-v2\n"
241                                             "archs: [ arm64 ]\n"
242                                             "platform: ios\n"
243                                             "install-name: Test.dylib\n"
244                                             "...\n";
245 
246   auto Result =
247       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_ios, "Test.tbd"));
248   EXPECT_TRUE(!!Result);
249   auto File = std::move(Result.get());
250   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
251   EXPECT_EQ(PlatformKind::iOS, File->getPlatform());
252 }
253 
254 TEST(TBDv2, Platform_watchOS) {
255   static const char tbd_v1_platform_watchos[] = "--- !tapi-tbd-v2\n"
256                                                 "archs: [ armv7k ]\n"
257                                                 "platform: watchos\n"
258                                                 "install-name: Test.dylib\n"
259                                                 "...\n";
260 
261   auto Result =
262       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_watchos, "Test.tbd"));
263   EXPECT_TRUE(!!Result);
264   auto File = std::move(Result.get());
265   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
266   EXPECT_EQ(PlatformKind::watchOS, File->getPlatform());
267 }
268 
269 TEST(TBDv2, Platform_tvOS) {
270   static const char tbd_v1_platform_tvos[] = "--- !tapi-tbd-v2\n"
271                                              "archs: [ arm64 ]\n"
272                                              "platform: tvos\n"
273                                              "install-name: Test.dylib\n"
274                                              "...\n";
275 
276   auto Result =
277       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_tvos, "Test.tbd"));
278   EXPECT_TRUE(!!Result);
279   auto File = std::move(Result.get());
280   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
281   EXPECT_EQ(PlatformKind::tvOS, File->getPlatform());
282 }
283 
284 TEST(TBDv2, Platform_bridgeOS) {
285   static const char tbd_v1_platform_bridgeos[] = "--- !tapi-tbd-v2\n"
286                                                  "archs: [ armv7k ]\n"
287                                                  "platform: bridgeos\n"
288                                                  "install-name: Test.dylib\n"
289                                                  "...\n";
290 
291   auto Result =
292       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_bridgeos, "Test.tbd"));
293   EXPECT_TRUE(!!Result);
294   auto File = std::move(Result.get());
295   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
296   EXPECT_EQ(PlatformKind::bridgeOS, File->getPlatform());
297 }
298 
299 TEST(TBDv2, Swift_1_0) {
300   static const char tbd_v1_swift_1_0[] = "--- !tapi-tbd-v2\n"
301                                          "archs: [ arm64 ]\n"
302                                          "platform: ios\n"
303                                          "install-name: Test.dylib\n"
304                                          "swift-version: 1.0\n"
305                                          "...\n";
306 
307   auto Result =
308       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_1_0, "Test.tbd"));
309   EXPECT_TRUE(!!Result);
310   auto File = std::move(Result.get());
311   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
312   EXPECT_EQ(1U, File->getSwiftABIVersion());
313 }
314 
315 TEST(TBDv2, Swift_1_1) {
316   static const char tbd_v1_swift_1_1[] = "--- !tapi-tbd-v2\n"
317                                          "archs: [ arm64 ]\n"
318                                          "platform: ios\n"
319                                          "install-name: Test.dylib\n"
320                                          "swift-version: 1.1\n"
321                                          "...\n";
322 
323   auto Result =
324       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_1_1, "Test.tbd"));
325   EXPECT_TRUE(!!Result);
326   auto File = std::move(Result.get());
327   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
328   EXPECT_EQ(2U, File->getSwiftABIVersion());
329 }
330 
331 TEST(TBDv2, Swift_2_0) {
332   static const char tbd_v1_swift_2_0[] = "--- !tapi-tbd-v2\n"
333                                          "archs: [ arm64 ]\n"
334                                          "platform: ios\n"
335                                          "install-name: Test.dylib\n"
336                                          "swift-version: 2.0\n"
337                                          "...\n";
338 
339   auto Result =
340       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_2_0, "Test.tbd"));
341   EXPECT_TRUE(!!Result);
342   auto File = std::move(Result.get());
343   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
344   EXPECT_EQ(3U, File->getSwiftABIVersion());
345 }
346 
347 TEST(TBDv2, Swift_3_0) {
348   static const char tbd_v1_swift_3_0[] = "--- !tapi-tbd-v2\n"
349                                          "archs: [ arm64 ]\n"
350                                          "platform: ios\n"
351                                          "install-name: Test.dylib\n"
352                                          "swift-version: 3.0\n"
353                                          "...\n";
354 
355   auto Result =
356       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_3_0, "Test.tbd"));
357   EXPECT_TRUE(!!Result);
358   auto File = std::move(Result.get());
359   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
360   EXPECT_EQ(4U, File->getSwiftABIVersion());
361 }
362 
363 TEST(TBDv2, Swift_4_0) {
364   static const char tbd_v1_swift_4_0[] = "--- !tapi-tbd-v2\n"
365                                          "archs: [ arm64 ]\n"
366                                          "platform: ios\n"
367                                          "install-name: Test.dylib\n"
368                                          "swift-version: 4.0\n"
369                                          "...\n";
370 
371   auto Result =
372       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_4_0, "Test.tbd"));
373   EXPECT_FALSE(!!Result);
374   auto errorMessage = toString(Result.takeError());
375   EXPECT_EQ("malformed file\nTest.tbd:5:16: error: invalid Swift ABI "
376             "version.\nswift-version: 4.0\n               ^~~\n",
377             errorMessage);
378 }
379 
380 TEST(TBDv2, Swift_5) {
381   static const char tbd_v1_swift_5[] = "--- !tapi-tbd-v2\n"
382                                        "archs: [ arm64 ]\n"
383                                        "platform: ios\n"
384                                        "install-name: Test.dylib\n"
385                                        "swift-version: 5\n"
386                                        "...\n";
387 
388   auto Result = TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_5, "Test.tbd"));
389   EXPECT_TRUE(!!Result);
390   auto File = std::move(Result.get());
391   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
392   EXPECT_EQ(5U, File->getSwiftABIVersion());
393 }
394 
395 TEST(TBDv2, Swift_99) {
396   static const char tbd_v1_swift_99[] = "--- !tapi-tbd-v2\n"
397                                         "archs: [ arm64 ]\n"
398                                         "platform: ios\n"
399                                         "install-name: Test.dylib\n"
400                                         "swift-version: 99\n"
401                                         "...\n";
402 
403   auto Result =
404       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_99, "Test.tbd"));
405   EXPECT_TRUE(!!Result);
406   auto File = std::move(Result.get());
407   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
408   EXPECT_EQ(99U, File->getSwiftABIVersion());
409 }
410 
411 TEST(TBDv2, UnknownArchitecture) {
412   static const char tbd_v2_file_unknown_architecture[] =
413       "--- !tapi-tbd-v2\n"
414       "archs: [ foo ]\n"
415       "platform: macosx\n"
416       "install-name: Test.dylib\n"
417       "...\n";
418 
419   auto Result = TextAPIReader::get(
420       MemoryBufferRef(tbd_v2_file_unknown_architecture, "Test.tbd"));
421   EXPECT_TRUE(!!Result);
422 }
423 
424 TEST(TBDv2, UnknownPlatform) {
425   static const char tbd_v2_file_unknown_platform[] = "--- !tapi-tbd-v2\n"
426                                                      "archs: [ i386 ]\n"
427                                                      "platform: newOS\n"
428                                                      "...\n";
429 
430   auto Result = TextAPIReader::get(
431       MemoryBufferRef(tbd_v2_file_unknown_platform, "Test.tbd"));
432   EXPECT_FALSE(!!Result);
433   auto errorMessage = toString(Result.takeError());
434   EXPECT_EQ("malformed file\nTest.tbd:3:11: error: unknown platform\nplatform: "
435             "newOS\n          ^~~~~\n",
436             errorMessage);
437 }
438 
439 TEST(TBDv2, MalformedFile1) {
440   static const char malformed_file1[] = "--- !tapi-tbd-v2\n"
441                                         "archs: [ arm64 ]\n"
442                                         "foobar: \"Unsupported key\"\n"
443                                         "...\n";
444 
445   auto Result =
446       TextAPIReader::get(MemoryBufferRef(malformed_file1, "Test.tbd"));
447   EXPECT_FALSE(!!Result);
448   auto errorMessage = toString(Result.takeError());
449   ASSERT_EQ("malformed file\nTest.tbd:2:1: error: missing required key "
450             "'platform'\narchs: [ arm64 ]\n^\n",
451             errorMessage);
452 }
453 
454 TEST(TBDv2, MalformedFile2) {
455   static const char malformed_file2[] = "--- !tapi-tbd-v2\n"
456                                         "archs: [ arm64 ]\n"
457                                         "platform: ios\n"
458                                         "install-name: Test.dylib\n"
459                                         "foobar: \"Unsupported key\"\n"
460                                         "...\n";
461 
462   auto Result =
463       TextAPIReader::get(MemoryBufferRef(malformed_file2, "Test.tbd"));
464   EXPECT_FALSE(!!Result);
465   auto errorMessage = toString(Result.takeError());
466   ASSERT_EQ(
467       "malformed file\nTest.tbd:5:9: error: unknown key 'foobar'\nfoobar: "
468       "\"Unsupported key\"\n        ^~~~~~~~~~~~~~~~~\n",
469       errorMessage);
470 }
471 
472 } // namespace TBDv2
473