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 Buffer = MemoryBuffer::getMemBuffer(tbd_v2_file1, "Test.tbd");
88   auto Result = TextAPIReader::get(std::move(Buffer));
89   EXPECT_TRUE(!!Result);
90   auto File = std::move(Result.get());
91   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
92   auto Archs = Architecture::armv7 | Architecture::armv7s |
93                Architecture::armv7k | Architecture::arm64;
94   EXPECT_EQ(Archs, File->getArchitectures());
95   EXPECT_EQ(PlatformKind::iOS, File->getPlatform());
96   EXPECT_EQ(std::string("Test.dylib"), File->getInstallName());
97   EXPECT_EQ(PackedVersion(2, 3, 4), File->getCurrentVersion());
98   EXPECT_EQ(PackedVersion(1, 0, 0), File->getCompatibilityVersion());
99   EXPECT_EQ(2U, File->getSwiftABIVersion());
100   EXPECT_EQ(ObjCConstraintType::Retain_Release, File->getObjCConstraint());
101   EXPECT_TRUE(File->isTwoLevelNamespace());
102   EXPECT_TRUE(File->isApplicationExtensionSafe());
103   EXPECT_TRUE(File->isInstallAPI());
104   InterfaceFileRef client("clientA", Archs);
105   InterfaceFileRef reexport("/usr/lib/libfoo.dylib", Archs);
106   EXPECT_EQ(1U, File->allowableClients().size());
107   EXPECT_EQ(client, File->allowableClients().front());
108   EXPECT_EQ(1U, File->reexportedLibraries().size());
109   EXPECT_EQ(reexport, File->reexportedLibraries().front());
110 
111   ExportedSymbolSeq Exports;
112   for (const auto *Sym : File->symbols()) {
113     EXPECT_FALSE(Sym->isWeakReferenced());
114     EXPECT_FALSE(Sym->isUndefined());
115     Exports.emplace_back(ExportedSymbol{Sym->getKind(), Sym->getName(),
116                                         Sym->isWeakDefined(),
117                                         Sym->isThreadLocalValue()});
118   }
119   llvm::sort(Exports.begin(), Exports.end());
120 
121   EXPECT_EQ(sizeof(TBDv2Symbols) / sizeof(ExportedSymbol), Exports.size());
122   EXPECT_TRUE(
123       std::equal(Exports.begin(), Exports.end(), std::begin(TBDv2Symbols)));
124 }
125 
126 TEST(TBDv2, ReadFile2) {
127   static const char tbd_v2_file2[] =
128       "--- !tapi-tbd-v2\n"
129       "archs: [ armv7, armv7s, armv7k, arm64 ]\n"
130       "platform: ios\n"
131       "flags: [ flat_namespace, not_app_extension_safe ]\n"
132       "install-name: Test.dylib\n"
133       "swift-version: 1.1\n"
134       "exports:\n"
135       "  - archs: [ armv7, armv7s, armv7k, arm64 ]\n"
136       "    symbols: [ _sym1, _sym2, _sym3, _sym4, $ld$hide$os9.0$_sym1 ]\n"
137       "    objc-classes: [ _class1, _class2 ]\n"
138       "    objc-ivars: [ _class1._ivar1, _class1._ivar2 ]\n"
139       "    weak-def-symbols: [ _weak1, _weak2 ]\n"
140       "    thread-local-symbols: [ _tlv1, _tlv2 ]\n"
141       "  - archs: [ armv7, armv7s, armv7k ]\n"
142       "    symbols: [ _sym5 ]\n"
143       "    objc-classes: [ _class3 ]\n"
144       "    objc-ivars: [ _class1._ivar3 ]\n"
145       "    weak-def-symbols: [ _weak3 ]\n"
146       "    thread-local-symbols: [ _tlv3 ]\n"
147       "undefineds:\n"
148       "  - archs: [ armv7, armv7s, armv7k, arm64 ]\n"
149       "    symbols: [ _undefSym1, _undefSym2, _undefSym3 ]\n"
150       "    objc-classes: [ _undefClass1, _undefClass2 ]\n"
151       "    objc-ivars: [ _undefClass1._ivar1, _undefClass1._ivar2 ]\n"
152       "    weak-ref-symbols: [ _undefWeak1, _undefWeak2 ]\n"
153       "...\n";
154 
155   auto Buffer = MemoryBuffer::getMemBuffer(tbd_v2_file2, "Test.tbd");
156   auto Result = TextAPIReader::get(std::move(Buffer));
157   EXPECT_TRUE(!!Result);
158   auto File = std::move(Result.get());
159   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
160   auto Archs = Architecture::armv7 | Architecture::armv7s |
161                Architecture::armv7k | Architecture::arm64;
162   EXPECT_EQ(Archs, File->getArchitectures());
163   EXPECT_EQ(PlatformKind::iOS, File->getPlatform());
164   EXPECT_EQ(std::string("Test.dylib"), File->getInstallName());
165   EXPECT_EQ(PackedVersion(1, 0, 0), File->getCurrentVersion());
166   EXPECT_EQ(PackedVersion(1, 0, 0), File->getCompatibilityVersion());
167   EXPECT_EQ(2U, File->getSwiftABIVersion());
168   EXPECT_EQ(ObjCConstraintType::Retain_Release, File->getObjCConstraint());
169   EXPECT_FALSE(File->isTwoLevelNamespace());
170   EXPECT_FALSE(File->isApplicationExtensionSafe());
171   EXPECT_FALSE(File->isInstallAPI());
172   EXPECT_EQ(0U, File->allowableClients().size());
173   EXPECT_EQ(0U, File->reexportedLibraries().size());
174 }
175 
176 // Disable test for windows.
177 #ifndef _WIN32
178 TEST(TBDv2, WriteFile) {
179   static const char tbd_v2_file3[] =
180       "--- !tapi-tbd-v2\n"
181       "archs:           [ i386, x86_64 ]\n"
182       "platform:        macosx\n"
183       "install-name:    '/usr/lib/libfoo.dylib'\n"
184       "current-version: 1.2.3\n"
185       "compatibility-version: 0\n"
186       "swift-version:   5\n"
187       "exports:         \n"
188       "  - archs:           [ i386 ]\n"
189       "    symbols:         [ _sym1 ]\n"
190       "    weak-def-symbols: [ _sym2 ]\n"
191       "    thread-local-symbols: [ _sym3 ]\n"
192       "  - archs:           [ x86_64 ]\n"
193       "    allowable-clients: [ clientA ]\n"
194       "    re-exports:      [ '/usr/lib/libfoo.dylib' ]\n"
195       "    symbols:         [ '_OBJC_EHTYPE_$_Class1' ]\n"
196       "    objc-classes:    [ _Class1 ]\n"
197       "    objc-ivars:      [ _Class1._ivar1 ]\n"
198       "...\n";
199 
200   InterfaceFile File;
201   File.setPath("libfoo.dylib");
202   File.setInstallName("/usr/lib/libfoo.dylib");
203   File.setFileType(FileType::TBD_V2);
204   File.setArchitectures(Architecture::i386 | Architecture::x86_64);
205   File.setPlatform(PlatformKind::macOS);
206   File.setCurrentVersion(PackedVersion(1, 2, 3));
207   File.setTwoLevelNamespace();
208   File.setApplicationExtensionSafe();
209   File.setSwiftABIVersion(5);
210   File.setObjCConstraint(ObjCConstraintType::Retain_Release);
211   File.addAllowableClient("clientA", Architecture::x86_64);
212   File.addReexportedLibrary("/usr/lib/libfoo.dylib", Architecture::x86_64);
213   File.addSymbol(SymbolKind::GlobalSymbol, "_sym1", Architecture::i386);
214   File.addSymbol(SymbolKind::GlobalSymbol, "_sym2", Architecture::i386,
215                  SymbolFlags::WeakDefined);
216   File.addSymbol(SymbolKind::GlobalSymbol, "_sym3", Architecture::i386,
217                  SymbolFlags::ThreadLocalValue);
218   File.addSymbol(SymbolKind::ObjectiveCClass, "Class1", Architecture::x86_64);
219   File.addSymbol(SymbolKind::ObjectiveCClassEHType, "Class1",
220                  Architecture::x86_64);
221   File.addSymbol(SymbolKind::ObjectiveCInstanceVariable, "Class1._ivar1",
222                  Architecture::x86_64);
223 
224   SmallString<4096> Buffer;
225   raw_svector_ostream OS(Buffer);
226   auto Result = TextAPIWriter::writeToStream(OS, File);
227   EXPECT_FALSE(Result);
228   EXPECT_STREQ(tbd_v2_file3, Buffer.c_str());
229 }
230 #endif // _WIN32
231 
232 TEST(TBDv2, Platform_macOS) {
233   static const char tbd_v1_platform_macos[] = "--- !tapi-tbd-v2\n"
234                                               "archs: [ x86_64 ]\n"
235                                               "platform: macosx\n"
236                                               "install-name: Test.dylib\n"
237                                               "...\n";
238 
239   auto Buffer = MemoryBuffer::getMemBuffer(tbd_v1_platform_macos, "Test.tbd");
240   auto Result = TextAPIReader::get(std::move(Buffer));
241   EXPECT_TRUE(!!Result);
242   auto File = std::move(Result.get());
243   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
244   EXPECT_EQ(PlatformKind::macOS, File->getPlatform());
245 }
246 
247 TEST(TBDv2, Platform_iOS) {
248   static const char tbd_v1_platform_ios[] = "--- !tapi-tbd-v2\n"
249                                             "archs: [ arm64 ]\n"
250                                             "platform: ios\n"
251                                             "install-name: Test.dylib\n"
252                                             "...\n";
253 
254   auto Buffer = MemoryBuffer::getMemBuffer(tbd_v1_platform_ios, "Test.tbd");
255   auto Result = TextAPIReader::get(std::move(Buffer));
256   EXPECT_TRUE(!!Result);
257   auto File = std::move(Result.get());
258   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
259   EXPECT_EQ(PlatformKind::iOS, File->getPlatform());
260 }
261 
262 TEST(TBDv2, Platform_watchOS) {
263   static const char tbd_v1_platform_watchos[] = "--- !tapi-tbd-v2\n"
264                                                 "archs: [ armv7k ]\n"
265                                                 "platform: watchos\n"
266                                                 "install-name: Test.dylib\n"
267                                                 "...\n";
268 
269   auto Buffer = MemoryBuffer::getMemBuffer(tbd_v1_platform_watchos, "Test.tbd");
270   auto Result = TextAPIReader::get(std::move(Buffer));
271   EXPECT_TRUE(!!Result);
272   auto File = std::move(Result.get());
273   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
274   EXPECT_EQ(PlatformKind::watchOS, File->getPlatform());
275 }
276 
277 TEST(TBDv2, Platform_tvOS) {
278   static const char tbd_v1_platform_tvos[] = "--- !tapi-tbd-v2\n"
279                                              "archs: [ arm64 ]\n"
280                                              "platform: tvos\n"
281                                              "install-name: Test.dylib\n"
282                                              "...\n";
283 
284   auto Buffer = MemoryBuffer::getMemBuffer(tbd_v1_platform_tvos, "Test.tbd");
285   auto Result = TextAPIReader::get(std::move(Buffer));
286   EXPECT_TRUE(!!Result);
287   auto File = std::move(Result.get());
288   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
289   EXPECT_EQ(PlatformKind::tvOS, File->getPlatform());
290 }
291 
292 TEST(TBDv2, Platform_bridgeOS) {
293   static const char tbd_v1_platform_bridgeos[] = "--- !tapi-tbd-v2\n"
294                                                  "archs: [ armv7k ]\n"
295                                                  "platform: bridgeos\n"
296                                                  "install-name: Test.dylib\n"
297                                                  "...\n";
298 
299   auto Buffer =
300       MemoryBuffer::getMemBuffer(tbd_v1_platform_bridgeos, "Test.tbd");
301   auto Result = TextAPIReader::get(std::move(Buffer));
302   EXPECT_TRUE(!!Result);
303   auto File = std::move(Result.get());
304   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
305   EXPECT_EQ(PlatformKind::bridgeOS, File->getPlatform());
306 }
307 
308 TEST(TBDv2, Swift_1_0) {
309   static const char tbd_v1_swift_1_0[] = "--- !tapi-tbd-v2\n"
310                                          "archs: [ arm64 ]\n"
311                                          "platform: ios\n"
312                                          "install-name: Test.dylib\n"
313                                          "swift-version: 1.0\n"
314                                          "...\n";
315 
316   auto Buffer = MemoryBuffer::getMemBuffer(tbd_v1_swift_1_0, "Test.tbd");
317   auto Result = TextAPIReader::get(std::move(Buffer));
318   EXPECT_TRUE(!!Result);
319   auto File = std::move(Result.get());
320   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
321   EXPECT_EQ(1U, File->getSwiftABIVersion());
322 }
323 
324 TEST(TBDv2, Swift_1_1) {
325   static const char tbd_v1_swift_1_1[] = "--- !tapi-tbd-v2\n"
326                                          "archs: [ arm64 ]\n"
327                                          "platform: ios\n"
328                                          "install-name: Test.dylib\n"
329                                          "swift-version: 1.1\n"
330                                          "...\n";
331 
332   auto Buffer = MemoryBuffer::getMemBuffer(tbd_v1_swift_1_1, "Test.tbd");
333   auto Result = TextAPIReader::get(std::move(Buffer));
334   EXPECT_TRUE(!!Result);
335   auto File = std::move(Result.get());
336   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
337   EXPECT_EQ(2U, File->getSwiftABIVersion());
338 }
339 
340 TEST(TBDv2, Swift_2_0) {
341   static const char tbd_v1_swift_2_0[] = "--- !tapi-tbd-v2\n"
342                                          "archs: [ arm64 ]\n"
343                                          "platform: ios\n"
344                                          "install-name: Test.dylib\n"
345                                          "swift-version: 2.0\n"
346                                          "...\n";
347 
348   auto Buffer = MemoryBuffer::getMemBuffer(tbd_v1_swift_2_0, "Test.tbd");
349   auto Result = TextAPIReader::get(std::move(Buffer));
350   EXPECT_TRUE(!!Result);
351   auto File = std::move(Result.get());
352   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
353   EXPECT_EQ(3U, File->getSwiftABIVersion());
354 }
355 
356 TEST(TBDv2, Swift_3_0) {
357   static const char tbd_v1_swift_3_0[] = "--- !tapi-tbd-v2\n"
358                                          "archs: [ arm64 ]\n"
359                                          "platform: ios\n"
360                                          "install-name: Test.dylib\n"
361                                          "swift-version: 3.0\n"
362                                          "...\n";
363 
364   auto Buffer = MemoryBuffer::getMemBuffer(tbd_v1_swift_3_0, "Test.tbd");
365   auto Result = TextAPIReader::get(std::move(Buffer));
366   EXPECT_TRUE(!!Result);
367   auto File = std::move(Result.get());
368   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
369   EXPECT_EQ(4U, File->getSwiftABIVersion());
370 }
371 
372 TEST(TBDv2, Swift_4_0) {
373   static const char tbd_v1_swift_4_0[] = "--- !tapi-tbd-v2\n"
374                                          "archs: [ arm64 ]\n"
375                                          "platform: ios\n"
376                                          "install-name: Test.dylib\n"
377                                          "swift-version: 4.0\n"
378                                          "...\n";
379 
380   auto Buffer = MemoryBuffer::getMemBuffer(tbd_v1_swift_4_0, "Test.tbd");
381   auto Result = TextAPIReader::get(std::move(Buffer));
382   EXPECT_FALSE(!!Result);
383   auto errorMessage = toString(Result.takeError());
384   EXPECT_EQ("malformed file\nTest.tbd:5:16: error: invalid Swift ABI "
385             "version.\nswift-version: 4.0\n               ^~~\n",
386             errorMessage);
387 }
388 
389 TEST(TBDv2, Swift_5) {
390   static const char tbd_v1_swift_5[] = "--- !tapi-tbd-v2\n"
391                                        "archs: [ arm64 ]\n"
392                                        "platform: ios\n"
393                                        "install-name: Test.dylib\n"
394                                        "swift-version: 5\n"
395                                        "...\n";
396 
397   auto Buffer = MemoryBuffer::getMemBuffer(tbd_v1_swift_5, "Test.tbd");
398   auto Result = TextAPIReader::get(std::move(Buffer));
399   EXPECT_TRUE(!!Result);
400   auto File = std::move(Result.get());
401   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
402   EXPECT_EQ(5U, File->getSwiftABIVersion());
403 }
404 
405 TEST(TBDv2, Swift_99) {
406   static const char tbd_v1_swift_99[] = "--- !tapi-tbd-v2\n"
407                                         "archs: [ arm64 ]\n"
408                                         "platform: ios\n"
409                                         "install-name: Test.dylib\n"
410                                         "swift-version: 99\n"
411                                         "...\n";
412 
413   auto Buffer = MemoryBuffer::getMemBuffer(tbd_v1_swift_99, "Test.tbd");
414   auto Result = TextAPIReader::get(std::move(Buffer));
415   EXPECT_TRUE(!!Result);
416   auto File = std::move(Result.get());
417   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
418   EXPECT_EQ(99U, File->getSwiftABIVersion());
419 }
420 
421 TEST(TBDv2, UnknownArchitecture) {
422   static const char tbd_v2_file_unknown_architecture[] =
423       "--- !tapi-tbd-v2\n"
424       "archs: [ foo ]\n"
425       "platform: macosx\n"
426       "install-name: Test.dylib\n"
427       "...\n";
428 
429   auto Buffer =
430       MemoryBuffer::getMemBuffer(tbd_v2_file_unknown_architecture, "Test.tbd");
431   auto Result = TextAPIReader::get(std::move(Buffer));
432   EXPECT_TRUE(!!Result);
433 }
434 
435 TEST(TBDv2, UnknownPlatform) {
436   static const char tbd_v2_file_unknown_platform[] = "--- !tapi-tbd-v2\n"
437                                                      "archs: [ i386 ]\n"
438                                                      "platform: newOS\n"
439                                                      "...\n";
440 
441   auto Buffer =
442       MemoryBuffer::getMemBuffer(tbd_v2_file_unknown_platform, "Test.tbd");
443   auto Result = TextAPIReader::get(std::move(Buffer));
444   EXPECT_FALSE(!!Result);
445   auto errorMessage = toString(Result.takeError());
446   EXPECT_EQ("malformed file\nTest.tbd:3:11: error: unknown platform\nplatform: "
447             "newOS\n          ^~~~~\n",
448             errorMessage);
449 }
450 
451 TEST(TBDv2, MalformedFile1) {
452   static const char malformed_file1[] = "--- !tapi-tbd-v2\n"
453                                         "archs: [ arm64 ]\n"
454                                         "foobar: \"Unsupported key\"\n"
455                                         "...\n";
456 
457   auto Buffer = MemoryBuffer::getMemBuffer(malformed_file1, "Test.tbd");
458   auto Result = TextAPIReader::get(std::move(Buffer));
459   EXPECT_FALSE(!!Result);
460   auto errorMessage = toString(Result.takeError());
461   ASSERT_EQ("malformed file\nTest.tbd:2:1: error: missing required key "
462             "'platform'\narchs: [ arm64 ]\n^\n",
463             errorMessage);
464 }
465 
466 TEST(TBDv2, MalformedFile2) {
467   static const char malformed_file2[] = "--- !tapi-tbd-v2\n"
468                                         "archs: [ arm64 ]\n"
469                                         "platform: ios\n"
470                                         "install-name: Test.dylib\n"
471                                         "foobar: \"Unsupported key\"\n"
472                                         "...\n";
473 
474   auto Buffer = MemoryBuffer::getMemBuffer(malformed_file2, "Test.tbd");
475   auto Result = TextAPIReader::get(std::move(Buffer));
476   EXPECT_FALSE(!!Result);
477   auto errorMessage = toString(Result.takeError());
478   ASSERT_EQ(
479       "malformed file\nTest.tbd:5:9: error: unknown key 'foobar'\nfoobar: "
480       "\"Unsupported key\"\n        ^~~~~~~~~~~~~~~~~\n",
481       errorMessage);
482 }
483 
484 } // namespace TBDv2
485