unittests/TextAPI/TextStubV3Tests.cpp

   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<Target, 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   auto Platform = PlatformKind::iOS;
  97   TargetList Targets;
  98   for (auto &&arch : Archs)
  99     Targets.emplace_back(Target(arch, Platform));
 100   EXPECT_EQ(Archs, File->getArchitectures());
 101   UUIDs Uuids = {{Target(AK_armv7, PlatformKind::unknown),
 102                   "00000000-0000-0000-0000-000000000000"},
 103                  {Target(AK_arm64, PlatformKind::unknown),
 104                   "11111111-1111-1111-1111-111111111111"}};
 105   EXPECT_EQ(Uuids, File->uuids());
 106   EXPECT_EQ(File->getPlatforms().size(), 1U);
 107   EXPECT_EQ(Platform, *File->getPlatforms().begin());
 108   EXPECT_EQ(std::string("Test.dylib"), File->getInstallName());
 109   EXPECT_EQ(PackedVersion(2, 3, 4), File->getCurrentVersion());
 110   EXPECT_EQ(PackedVersion(1, 0, 0), File->getCompatibilityVersion());
 111   EXPECT_EQ(2U, File->getSwiftABIVersion());
 112   EXPECT_EQ(ObjCConstraintType::Retain_Release, File->getObjCConstraint());
 113   EXPECT_TRUE(File->isTwoLevelNamespace());
 114   EXPECT_TRUE(File->isApplicationExtensionSafe());
 115   EXPECT_TRUE(File->isInstallAPI());
 116   InterfaceFileRef client("clientA", Targets);
 117   InterfaceFileRef reexport("/usr/lib/libfoo.dylib", Targets);
 118   EXPECT_EQ(1U, File->allowableClients().size());
 119   EXPECT_EQ(client, File->allowableClients().front());
 120   EXPECT_EQ(1U, File->reexportedLibraries().size());
 121   EXPECT_EQ(reexport, File->reexportedLibraries().front());
 122
 123   ExportedSymbolSeq Exports;
 124   for (const auto *Sym : File->symbols()) {
 125     EXPECT_FALSE(Sym->isWeakReferenced());
 126     EXPECT_FALSE(Sym->isUndefined());
 127     Exports.emplace_back(ExportedSymbol{Sym->getKind(), Sym->getName(),
 128                                         Sym->isWeakDefined(),
 129                                         Sym->isThreadLocalValue()});
 130   }
 131   llvm::sort(Exports.begin(), Exports.end());
 132
 133   EXPECT_EQ(sizeof(TBDv3Symbols) / sizeof(ExportedSymbol), Exports.size());
 134   EXPECT_TRUE(
 135       std::equal(Exports.begin(), Exports.end(), std::begin(TBDv3Symbols)));
 136 }
 137
 138 TEST(TBDv3, WriteFile) {
 139   static const char tbd_v3_file3[] =
 140       "--- !tapi-tbd-v3\n"
 141       "archs:           [ i386, x86_64 ]\n"
 142       "platform:        macosx\n"
 143       "install-name:    '/usr/lib/libfoo.dylib'\n"
 144       "current-version: 1.2.3\n"
 145       "compatibility-version: 0\n"
 146       "swift-abi-version: 5\n"
 147       "exports:\n"
 148       "  - archs:           [ i386 ]\n"
 149       "    symbols:         [ _sym1 ]\n"
 150       "    weak-def-symbols: [ _sym2 ]\n"
 151       "    thread-local-symbols: [ _sym3 ]\n"
 152       "  - archs:           [ x86_64 ]\n"
 153       "    allowable-clients: [ clientA ]\n"
 154       "    re-exports:      [ '/usr/lib/libfoo.dylib' ]\n"
 155       "    objc-classes:    [ Class1 ]\n"
 156       "    objc-eh-types:   [ Class1 ]\n"
 157       "    objc-ivars:      [ Class1._ivar1 ]\n"
 158       "...\n";
 159
 160   InterfaceFile File;
 161   TargetList Targets;
 162   for (auto &&arch : AK_i386 | AK_x86_64)
 163     Targets.emplace_back(Target(arch, PlatformKind::macOS));
 164   File.setPath("libfoo.dylib");
 165   File.setInstallName("/usr/lib/libfoo.dylib");
 166   File.setFileType(FileType::TBD_V3);
 167   File.addTargets(Targets);
 168   File.setCurrentVersion(PackedVersion(1, 2, 3));
 169   File.setTwoLevelNamespace();
 170   File.setApplicationExtensionSafe();
 171   File.setSwiftABIVersion(5);
 172   File.setObjCConstraint(ObjCConstraintType::Retain_Release);
 173   File.addAllowableClient("clientA", Targets[1]);
 174   File.addReexportedLibrary("/usr/lib/libfoo.dylib", Targets[1]);
 175   File.addSymbol(SymbolKind::GlobalSymbol, "_sym1", {Targets[0]});
 176   File.addSymbol(SymbolKind::GlobalSymbol, "_sym2", {Targets[0]},
 177                  SymbolFlags::WeakDefined);
 178   File.addSymbol(SymbolKind::GlobalSymbol, "_sym3", {Targets[0]},
 179                  SymbolFlags::ThreadLocalValue);
 180   File.addSymbol(SymbolKind::ObjectiveCClass, "Class1", {Targets[1]});
 181   File.addSymbol(SymbolKind::ObjectiveCClassEHType, "Class1", {Targets[1]});
 182   File.addSymbol(SymbolKind::ObjectiveCInstanceVariable, "Class1._ivar1",
 183                  {Targets[1]});
 184
 185   SmallString<4096> Buffer;
 186   raw_svector_ostream OS(Buffer);
 187   auto Result = TextAPIWriter::writeToStream(OS, File);
 188   EXPECT_FALSE(Result);
 189   EXPECT_STREQ(tbd_v3_file3, Buffer.c_str());
 190 }
 191
 192 TEST(TBDv3, Platform_macOS) {
 193   static const char tbd_v1_platform_macos[] = "--- !tapi-tbd-v3\n"
 194                                               "archs: [ x86_64 ]\n"
 195                                               "platform: macosx\n"
 196                                               "install-name: Test.dylib\n"
 197                                               "...\n";
 198
 199   auto Result =
 200       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_macos, "Test.tbd"));
 201   EXPECT_TRUE(!!Result);
 202   auto Platform = PlatformKind::macOS;
 203   auto File = std::move(Result.get());
 204   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
 205   EXPECT_EQ(File->getPlatforms().size(), 1U);
 206   EXPECT_EQ(Platform, *File->getPlatforms().begin());
 207 }
 208
 209 TEST(TBDv3, Platform_iOS) {
 210   static const char tbd_v1_platform_ios[] = "--- !tapi-tbd-v3\n"
 211                                             "archs: [ arm64 ]\n"
 212                                             "platform: ios\n"
 213                                             "install-name: Test.dylib\n"
 214                                             "...\n";
 215
 216   auto Result =
 217       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_ios, "Test.tbd"));
 218   EXPECT_TRUE(!!Result);
 219   auto Platform = PlatformKind::iOS;
 220   auto File = std::move(Result.get());
 221   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
 222   EXPECT_EQ(File->getPlatforms().size(), 1U);
 223   EXPECT_EQ(Platform, *File->getPlatforms().begin());
 224 }
 225
 226 TEST(TBDv3, Platform_watchOS) {
 227   static const char tbd_v1_platform_watchos[] = "--- !tapi-tbd-v3\n"
 228                                                 "archs: [ armv7k ]\n"
 229                                                 "platform: watchos\n"
 230                                                 "install-name: Test.dylib\n"
 231                                                 "...\n";
 232
 233   auto Result =
 234       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_watchos, "Test.tbd"));
 235   EXPECT_TRUE(!!Result);
 236   auto Platform = PlatformKind::watchOS;
 237   auto File = std::move(Result.get());
 238   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
 239   EXPECT_EQ(File->getPlatforms().size(), 1U);
 240   EXPECT_EQ(Platform, *File->getPlatforms().begin());
 241 }
 242
 243 TEST(TBDv3, Platform_tvOS) {
 244   static const char tbd_v1_platform_tvos[] = "--- !tapi-tbd-v3\n"
 245                                              "archs: [ arm64 ]\n"
 246                                              "platform: tvos\n"
 247                                              "install-name: Test.dylib\n"
 248                                              "...\n";
 249
 250   auto Result =
 251       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_tvos, "Test.tbd"));
 252   EXPECT_TRUE(!!Result);
 253   auto File = std::move(Result.get());
 254   auto Platform = PlatformKind::tvOS;
 255   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
 256   EXPECT_EQ(File->getPlatforms().size(), 1U);
 257   EXPECT_EQ(Platform, *File->getPlatforms().begin());
 258 }
 259
 260 TEST(TBDv3, Platform_bridgeOS) {
 261   static const char tbd_v1_platform_bridgeos[] = "--- !tapi-tbd-v3\n"
 262                                                  "archs: [ armv7k ]\n"
 263                                                  "platform: bridgeos\n"
 264                                                  "install-name: Test.dylib\n"
 265                                                  "...\n";
 266
 267   auto Result =
 268       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_bridgeos, "Test.tbd"));
 269   EXPECT_TRUE(!!Result);
 270   auto Platform = PlatformKind::bridgeOS;
 271   auto File = std::move(Result.get());
 272   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
 273   EXPECT_EQ(File->getPlatforms().size(), 1U);
 274   EXPECT_EQ(Platform, *File->getPlatforms().begin());
 275 }
 276
 277 TEST(TBDv3, Platform_macCatalyst) {
 278   static const char tbd_v1_platform_iosmac[] = "--- !tapi-tbd-v3\n"
 279                                                  "archs: [ armv7k ]\n"
 280                                                  "platform: iosmac\n"
 281                                                  "install-name: Test.dylib\n"
 282                                                  "...\n";
 283
 284   auto Result =
 285       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_iosmac, "Test.tbd"));
 286   EXPECT_TRUE(!!Result);
 287   auto Platform = PlatformKind::macCatalyst;
 288   auto File = std::move(Result.get());
 289   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
 290   EXPECT_EQ(Platform, *File->getPlatforms().begin());
 291 }
 292
 293 TEST(TBDv3, Platform_zippered) {
 294   static const char tbd_v1_platform_zip[] = "--- !tapi-tbd-v3\n"
 295                                                  "archs: [ armv7k ]\n"
 296                                                  "platform: zippered\n"
 297                                                  "install-name: Test.dylib\n"
 298                                                  "...\n";
 299
 300   auto Result =
 301       TextAPIReader::get(MemoryBufferRef(tbd_v1_platform_zip, "Test.tbd"));
 302   EXPECT_TRUE(!!Result);
 303   auto File = std::move(Result.get());
 304   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
 305
 306   PlatformSet Platforms;
 307   Platforms.insert(PlatformKind::macOS);
 308   Platforms.insert(PlatformKind::macCatalyst);
 309   EXPECT_EQ(Platforms.size(), File->getPlatforms().size());
 310   for (auto Platform : File->getPlatforms())
 311             EXPECT_EQ(Platforms.count(Platform), 1U);
 312 }
 313
 314 TEST(TBDv3, Swift_1_0) {
 315   static const char tbd_v1_swift_1_0[] = "--- !tapi-tbd-v3\n"
 316                                          "archs: [ arm64 ]\n"
 317                                          "platform: ios\n"
 318                                          "install-name: Test.dylib\n"
 319                                          "swift-abi-version: 1.0\n"
 320                                          "...\n";
 321
 322   auto Result =
 323       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_1_0, "Test.tbd"));
 324   EXPECT_TRUE(!!Result);
 325   auto File = std::move(Result.get());
 326   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
 327   EXPECT_EQ(1U, File->getSwiftABIVersion());
 328 }
 329
 330 TEST(TBDv3, Swift_1_1) {
 331   static const char tbd_v1_swift_1_1[] = "--- !tapi-tbd-v3\n"
 332                                          "archs: [ arm64 ]\n"
 333                                          "platform: ios\n"
 334                                          "install-name: Test.dylib\n"
 335                                          "swift-abi-version: 1.1\n"
 336                                          "...\n";
 337
 338   auto Result =
 339       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_1_1, "Test.tbd"));
 340   EXPECT_TRUE(!!Result);
 341   auto File = std::move(Result.get());
 342   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
 343   EXPECT_EQ(2U, File->getSwiftABIVersion());
 344 }
 345
 346 TEST(TBDv3, Swift_2_0) {
 347   static const char tbd_v1_swift_2_0[] = "--- !tapi-tbd-v3\n"
 348                                          "archs: [ arm64 ]\n"
 349                                          "platform: ios\n"
 350                                          "install-name: Test.dylib\n"
 351                                          "swift-abi-version: 2.0\n"
 352                                          "...\n";
 353
 354   auto Result =
 355       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_2_0, "Test.tbd"));
 356   EXPECT_TRUE(!!Result);
 357   auto File = std::move(Result.get());
 358   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
 359   EXPECT_EQ(3U, File->getSwiftABIVersion());
 360 }
 361
 362 TEST(TBDv3, Swift_3_0) {
 363   static const char tbd_v1_swift_3_0[] = "--- !tapi-tbd-v3\n"
 364                                          "archs: [ arm64 ]\n"
 365                                          "platform: ios\n"
 366                                          "install-name: Test.dylib\n"
 367                                          "swift-abi-version: 3.0\n"
 368                                          "...\n";
 369
 370   auto Result =
 371       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_3_0, "Test.tbd"));
 372   EXPECT_TRUE(!!Result);
 373   auto File = std::move(Result.get());
 374   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
 375   EXPECT_EQ(4U, File->getSwiftABIVersion());
 376 }
 377
 378 TEST(TBDv3, Swift_4_0) {
 379   static const char tbd_v1_swift_4_0[] = "--- !tapi-tbd-v3\n"
 380                                          "archs: [ arm64 ]\n"
 381                                          "platform: ios\n"
 382                                          "install-name: Test.dylib\n"
 383                                          "swift-abi-version: 4.0\n"
 384                                          "...\n";
 385
 386   auto Result =
 387       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_4_0, "Test.tbd"));
 388   EXPECT_FALSE(!!Result);
 389   auto errorMessage = toString(Result.takeError());
 390   EXPECT_EQ("malformed file\nTest.tbd:5:20: error: invalid Swift ABI "
 391             "version.\nswift-abi-version: 4.0\n                   ^~~\n",
 392             errorMessage);
 393 }
 394
 395 TEST(TBDv3, Swift_5) {
 396   static const char tbd_v1_swift_5[] = "--- !tapi-tbd-v3\n"
 397                                        "archs: [ arm64 ]\n"
 398                                        "platform: ios\n"
 399                                        "install-name: Test.dylib\n"
 400                                        "swift-abi-version: 5\n"
 401                                        "...\n";
 402
 403   auto Result = TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_5, "Test.tbd"));
 404   EXPECT_TRUE(!!Result);
 405   auto File = std::move(Result.get());
 406   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
 407   EXPECT_EQ(5U, File->getSwiftABIVersion());
 408 }
 409
 410 TEST(TBDv3, Swift_99) {
 411   static const char tbd_v1_swift_99[] = "--- !tapi-tbd-v3\n"
 412                                         "archs: [ arm64 ]\n"
 413                                         "platform: ios\n"
 414                                         "install-name: Test.dylib\n"
 415                                         "swift-abi-version: 99\n"
 416                                         "...\n";
 417
 418   auto Result =
 419       TextAPIReader::get(MemoryBufferRef(tbd_v1_swift_99, "Test.tbd"));
 420   EXPECT_TRUE(!!Result);
 421   auto File = std::move(Result.get());
 422   EXPECT_EQ(FileType::TBD_V3, File->getFileType());
 423   EXPECT_EQ(99U, File->getSwiftABIVersion());
 424 }
 425
 426 TEST(TBDv3, UnknownArchitecture) {
 427   static const char tbd_v3_file_unknown_architecture[] =
 428       "--- !tapi-tbd-v3\n"
 429       "archs: [ foo ]\n"
 430       "platform: macosx\n"
 431       "install-name: Test.dylib\n"
 432       "...\n";
 433
 434   auto Result = TextAPIReader::get(
 435       MemoryBufferRef(tbd_v3_file_unknown_architecture, "Test.tbd"));
 436   EXPECT_TRUE(!!Result);
 437 }
 438
 439 TEST(TBDv3, UnknownPlatform) {
 440   static const char tbd_v3_file_unknown_platform[] = "--- !tapi-tbd-v3\n"
 441                                                      "archs: [ i386 ]\n"
 442                                                      "platform: newOS\n"
 443                                                      "...\n";
 444
 445   auto Result = TextAPIReader::get(
 446       MemoryBufferRef(tbd_v3_file_unknown_platform, "Test.tbd"));
 447   EXPECT_FALSE(!!Result);
 448   auto errorMessage = toString(Result.takeError());
 449   EXPECT_EQ("malformed file\nTest.tbd:3:11: error: unknown platform\nplatform: "
 450             "newOS\n          ^~~~~\n",
 451             errorMessage);
 452 }
 453
 454 TEST(TBDv3, MalformedFile1) {
 455   static const char malformed_file1[] = "--- !tapi-tbd-v3\n"
 456                                         "archs: [ arm64 ]\n"
 457                                         "foobar: \"Unsupported key\"\n"
 458                                         "...\n";
 459
 460   auto Result =
 461       TextAPIReader::get(MemoryBufferRef(malformed_file1, "Test.tbd"));
 462   EXPECT_FALSE(!!Result);
 463   auto errorMessage = toString(Result.takeError());
 464   ASSERT_EQ("malformed file\nTest.tbd:2:1: error: missing required key "
 465             "'platform'\narchs: [ arm64 ]\n^\n",
 466             errorMessage);
 467 }
 468
 469 TEST(TBDv3, MalformedFile2) {
 470   static const char malformed_file2[] = "--- !tapi-tbd-v3\n"
 471                                         "archs: [ arm64 ]\n"
 472                                         "platform: ios\n"
 473                                         "install-name: Test.dylib\n"
 474                                         "foobar: \"Unsupported key\"\n"
 475                                         "...\n";
 476
 477   auto Result =
 478       TextAPIReader::get(MemoryBufferRef(malformed_file2, "Test.tbd"));
 479   EXPECT_FALSE(!!Result);
 480   auto errorMessage = toString(Result.takeError());
 481   ASSERT_EQ(
 482       "malformed file\nTest.tbd:5:9: error: unknown key 'foobar'\nfoobar: "
 483       "\"Unsupported key\"\n        ^~~~~~~~~~~~~~~~~\n",
 484       errorMessage);
 485 }
 486
 487 } // namespace TBDv3