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