llvm/unittests/TextAPI/TextStubV2Tests.cpp - llvm-project - Git at Google

 //===-- TextStubV2Tests.cpp - TBD V2 File Test ----------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===-----------------------------------------------------------------------===/
 #include "TextStubHelpers.h"
 #include "llvm/TextAPI/InterfaceFile.h"
 #include "llvm/TextAPI/TextAPIReader.h"
 #include "llvm/TextAPI/TextAPIWriter.h"
 #include "gtest/gtest.h"
 #include <string>
 #include <vector>

 using namespace llvm;
 using namespace llvm::MachO;

 static ExportedSymbol TBDv2Symbols[] = {
     {SymbolKind::GlobalSymbol, "$ld$hide$os9.0$_sym1", false, false},
     {SymbolKind::GlobalSymbol, "_sym1", false, false},
     {SymbolKind::GlobalSymbol, "_sym2", false, false},
     {SymbolKind::GlobalSymbol, "_sym3", false, false},
     {SymbolKind::GlobalSymbol, "_sym4", false, false},
     {SymbolKind::GlobalSymbol, "_sym5", false, false},
     {SymbolKind::GlobalSymbol, "_tlv1", false, true},
     {SymbolKind::GlobalSymbol, "_tlv2", false, true},
     {SymbolKind::GlobalSymbol, "_tlv3", false, true},
     {SymbolKind::GlobalSymbol, "_weak1", true, false},
     {SymbolKind::GlobalSymbol, "_weak2", true, false},
     {SymbolKind::GlobalSymbol, "_weak3", true, false},
     {SymbolKind::ObjectiveCClass, "class1", false, false},
     {SymbolKind::ObjectiveCClass, "class2", false, false},
     {SymbolKind::ObjectiveCClass, "class3", false, false},
     {SymbolKind::ObjectiveCInstanceVariable, "class1._ivar1", false, false},
     {SymbolKind::ObjectiveCInstanceVariable, "class1._ivar2", false, false},
     {SymbolKind::ObjectiveCInstanceVariable, "class1._ivar3", false, false},
 };

 namespace TBDv2 {

 TEST(TBDv2, ReadFile) {
   static const char TBDv2File1[] =
       "--- !tapi-tbd-v2\n"
       "archs: [ armv7, armv7s, armv7k, arm64 ]\n"
       "platform: ios\n"
       "flags: [ installapi ]\n"
       "install-name: Test.dylib\n"
       "current-version: 2.3.4\n"
       "compatibility-version: 1.0\n"
       "swift-version: 1.1\n"
       "parent-umbrella: Umbrella.dylib\n"
       "exports:\n"
       "  - archs: [ armv7, armv7s, armv7k, arm64 ]\n"
       "    allowable-clients: [ clientA ]\n"
       "    re-exports: [ /usr/lib/libfoo.dylib ]\n"
       "    symbols: [ _sym1, _sym2, _sym3, _sym4, $ld$hide$os9.0$_sym1 ]\n"
       "    objc-classes: [ _class1, _class2 ]\n"
       "    objc-ivars: [ _class1._ivar1, _class1._ivar2 ]\n"
       "    weak-def-symbols: [ _weak1, _weak2 ]\n"
       "    thread-local-symbols: [ _tlv1, _tlv2 ]\n"
       "  - archs: [ armv7, armv7s, armv7k ]\n"
       "    symbols: [ _sym5 ]\n"
       "    objc-classes: [ _class3 ]\n"
       "    objc-ivars: [ _class1._ivar3 ]\n"
       "    weak-def-symbols: [ _weak3 ]\n"
       "    thread-local-symbols: [ _tlv3 ]\n"
       "...\n";

   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv2File1, "Test.tbd"));
   EXPECT_TRUE(!!Result);
   TBDFile File = std::move(Result.get());
   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
   auto Archs = AK_armv7 | AK_armv7s | AK_armv7k | AK_arm64;
   auto Platform = PlatformKind::iOS;
   TargetList Targets;
   for (auto &&arch : Archs)
     Targets.emplace_back(Target(arch, Platform));
   EXPECT_EQ(Archs, File->getArchitectures());
   EXPECT_EQ(File->getPlatforms().size(), 1U);
   EXPECT_EQ(Platform, *File->getPlatforms().begin());
   EXPECT_EQ(std::string("Test.dylib"), File->getInstallName());
   EXPECT_EQ(PackedVersion(2, 3, 4), File->getCurrentVersion());
   EXPECT_EQ(PackedVersion(1, 0, 0), File->getCompatibilityVersion());
   EXPECT_EQ(2U, File->getSwiftABIVersion());
   EXPECT_EQ(ObjCConstraintType::Retain_Release, File->getObjCConstraint());
   EXPECT_TRUE(File->isTwoLevelNamespace());
   EXPECT_TRUE(File->isApplicationExtensionSafe());
   EXPECT_TRUE(File->isInstallAPI());
   InterfaceFileRef client("clientA", Targets);
   InterfaceFileRef reexport("/usr/lib/libfoo.dylib", Targets);
   EXPECT_EQ(1U, File->allowableClients().size());
   EXPECT_EQ(client, File->allowableClients().front());
   EXPECT_EQ(1U, File->reexportedLibraries().size());
   EXPECT_EQ(reexport, File->reexportedLibraries().front());

   ExportedSymbolSeq Exports;
   for (const auto *Sym : File->symbols()) {
     EXPECT_FALSE(Sym->isWeakReferenced());
     EXPECT_FALSE(Sym->isUndefined());
     Exports.emplace_back(
         ExportedSymbol{Sym->getKind(), std::string(Sym->getName()),
                        Sym->isWeakDefined(), Sym->isThreadLocalValue()});
   }
   llvm::sort(Exports.begin(), Exports.end());

   EXPECT_EQ(sizeof(TBDv2Symbols) / sizeof(ExportedSymbol), Exports.size());
   EXPECT_TRUE(
       std::equal(Exports.begin(), Exports.end(), std::begin(TBDv2Symbols)));
 }

 TEST(TBDv2, ReadFile2) {
   static const char TBDv2File2[] =
       "--- !tapi-tbd-v2\n"
       "archs: [ armv7, armv7s, armv7k, arm64 ]\n"
       "platform: ios\n"
       "flags: [ flat_namespace, not_app_extension_safe ]\n"
       "install-name: Test.dylib\n"
       "swift-version: 1.1\n"
       "exports:\n"
       "  - archs: [ armv7, armv7s, armv7k, arm64 ]\n"
       "    symbols: [ _sym1, _sym2, _sym3, _sym4, $ld$hide$os9.0$_sym1 ]\n"
       "    objc-classes: [ _class1, _class2 ]\n"
       "    objc-ivars: [ _class1._ivar1, _class1._ivar2 ]\n"
       "    weak-def-symbols: [ _weak1, _weak2 ]\n"
       "    thread-local-symbols: [ _tlv1, _tlv2 ]\n"
       "  - archs: [ armv7, armv7s, armv7k ]\n"
       "    symbols: [ _sym5 ]\n"
       "    objc-classes: [ _class3 ]\n"
       "    objc-ivars: [ _class1._ivar3 ]\n"
       "    weak-def-symbols: [ _weak3 ]\n"
       "    thread-local-symbols: [ _tlv3 ]\n"
       "undefineds:\n"
       "  - archs: [ armv7, armv7s, armv7k, arm64 ]\n"
       "    symbols: [ _undefSym1, _undefSym2, _undefSym3 ]\n"
       "    objc-classes: [ _undefClass1, _undefClass2 ]\n"
       "    objc-ivars: [ _undefClass1._ivar1, _undefClass1._ivar2 ]\n"
       "    weak-ref-symbols: [ _undefWeak1, _undefWeak2 ]\n"
       "...\n";

   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv2File2, "Test.tbd"));
   EXPECT_TRUE(!!Result);
   TBDFile File = std::move(Result.get());
   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
   auto Archs = AK_armv7 | AK_armv7s | AK_armv7k | AK_arm64;
   auto Platform = PlatformKind::iOS;
   TargetList Targets;
   for (auto &&arch : Archs)
     Targets.emplace_back(Target(arch, Platform));
   EXPECT_EQ(Archs, File->getArchitectures());
   EXPECT_EQ(File->getPlatforms().size(), 1U);
   EXPECT_EQ(Platform, *File->getPlatforms().begin());
   EXPECT_EQ(std::string("Test.dylib"), File->getInstallName());
   EXPECT_EQ(PackedVersion(1, 0, 0), File->getCurrentVersion());
   EXPECT_EQ(PackedVersion(1, 0, 0), File->getCompatibilityVersion());
   EXPECT_EQ(2U, File->getSwiftABIVersion());
   EXPECT_EQ(ObjCConstraintType::Retain_Release, File->getObjCConstraint());
   EXPECT_FALSE(File->isTwoLevelNamespace());
   EXPECT_FALSE(File->isApplicationExtensionSafe());
   EXPECT_FALSE(File->isInstallAPI());
   EXPECT_EQ(0U, File->allowableClients().size());
   EXPECT_EQ(0U, File->reexportedLibraries().size());
 }

 TEST(TBDv2, WriteFile) {
   static const char TBDv2File3[] =
       "--- !tapi-tbd-v2\n"
       "archs:           [ i386, x86_64 ]\n"
       "platform:        macosx\n"
       "install-name:    '/usr/lib/libfoo.dylib'\n"
       "current-version: 1.2.3\n"
       "compatibility-version: 0\n"
       "swift-version:   5\n"
       "exports:\n"
       "  - archs:           [ i386 ]\n"
       "    symbols:         [ _sym1 ]\n"
       "    weak-def-symbols: [ _sym2 ]\n"
       "    thread-local-symbols: [ _sym3 ]\n"
       "  - archs:           [ x86_64 ]\n"
       "    allowable-clients: [ clientA ]\n"
       "    re-exports:      [ '/usr/lib/libfoo.dylib' ]\n"
       "    symbols:         [ '_OBJC_EHTYPE_$_Class1' ]\n"
       "    objc-classes:    [ _Class1 ]\n"
       "    objc-ivars:      [ _Class1._ivar1 ]\n"
       "...\n";

   InterfaceFile File;
   TargetList Targets;
   for (auto &&arch : AK_i386 | AK_x86_64)
     Targets.emplace_back(Target(arch, PlatformKind::macOS));
   File.setPath("libfoo.dylib");
   File.setInstallName("/usr/lib/libfoo.dylib");
   File.setFileType(FileType::TBD_V2);
   File.addTargets(Targets);
   File.setCurrentVersion(PackedVersion(1, 2, 3));
   File.setTwoLevelNamespace();
   File.setApplicationExtensionSafe();
   File.setSwiftABIVersion(5);
   File.setObjCConstraint(ObjCConstraintType::Retain_Release);
   File.addAllowableClient("clientA", Targets[1]);
   File.addReexportedLibrary("/usr/lib/libfoo.dylib", Targets[1]);
   File.addSymbol(SymbolKind::GlobalSymbol, "_sym1", {Targets[0]});
   File.addSymbol(SymbolKind::GlobalSymbol, "_sym2", {Targets[0]},
                  SymbolFlags::WeakDefined);
   File.addSymbol(SymbolKind::GlobalSymbol, "_sym3", {Targets[0]},
                  SymbolFlags::ThreadLocalValue);
   File.addSymbol(SymbolKind::ObjectiveCClass, "Class1", {Targets[1]});
   File.addSymbol(SymbolKind::ObjectiveCClassEHType, "Class1", {Targets[1]});
   File.addSymbol(SymbolKind::ObjectiveCInstanceVariable, "Class1._ivar1",
                  {Targets[1]});

   SmallString<4096> Buffer;
   raw_svector_ostream OS(Buffer);
   Error Result = TextAPIWriter::writeToStream(OS, File);
   EXPECT_FALSE(Result);
   EXPECT_STREQ(TBDv2File3, Buffer.c_str());
 }

 TEST(TBDv2, Platform_macOS) {
   static const char TBDv2PlatformMacOS[] = "--- !tapi-tbd-v2\n"
                                            "archs: [ x86_64 ]\n"
                                            "platform: macosx\n"
                                            "install-name: Test.dylib\n"
                                            "...\n";

   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv2PlatformMacOS, "Test.tbd"));
   EXPECT_TRUE(!!Result);
   TBDFile File = std::move(Result.get());
   auto Platform = PlatformKind::macOS;
   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
   EXPECT_EQ(File->getPlatforms().size(), 1U);
   EXPECT_EQ(Platform, *File->getPlatforms().begin());
 }

 TEST(TBDv2, Platform_iOS) {
   static const char TBDv2PlatformiOS[] = "--- !tapi-tbd-v2\n"
                                          "archs: [ arm64 ]\n"
                                          "platform: ios\n"
                                          "install-name: Test.dylib\n"
                                          "...\n";

   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv2PlatformiOS, "Test.tbd"));
   EXPECT_TRUE(!!Result);
   auto Platform = PlatformKind::iOS;
   TBDFile File = std::move(Result.get());
   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
   EXPECT_EQ(File->getPlatforms().size(), 1U);
   EXPECT_EQ(Platform, *File->getPlatforms().begin());
 }

 TEST(TBDv2, Platform_watchOS) {
   static const char TBDv2PlatformWatchOS[] = "--- !tapi-tbd-v2\n"
                                              "archs: [ armv7k ]\n"
                                              "platform: watchos\n"
                                              "install-name: Test.dylib\n"
                                              "...\n";

   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv2PlatformWatchOS, "Test.tbd"));
   EXPECT_TRUE(!!Result);
   auto Platform = PlatformKind::watchOS;
   TBDFile File = std::move(Result.get());
   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
   EXPECT_EQ(File->getPlatforms().size(), 1U);
   EXPECT_EQ(Platform, *File->getPlatforms().begin());
 }

 TEST(TBDv2, Platform_tvOS) {
   static const char TBDv2PlatformtvOS[] = "--- !tapi-tbd-v2\n"
                                           "archs: [ arm64 ]\n"
                                           "platform: tvos\n"
                                           "install-name: Test.dylib\n"
                                           "...\n";

   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv2PlatformtvOS, "Test.tbd"));
   EXPECT_TRUE(!!Result);
   auto Platform = PlatformKind::tvOS;
   TBDFile File = std::move(Result.get());
   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
   EXPECT_EQ(File->getPlatforms().size(), 1U);
   EXPECT_EQ(Platform, *File->getPlatforms().begin());
 }

 TEST(TBDv2, Platform_bridgeOS) {
   static const char TBDv2BridgeOS[] = "--- !tapi-tbd-v2\n"
                                       "archs: [ armv7k ]\n"
                                       "platform: bridgeos\n"
                                       "install-name: Test.dylib\n"
                                       "...\n";

   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv2BridgeOS, "Test.tbd"));
   EXPECT_TRUE(!!Result);
   auto Platform = PlatformKind::bridgeOS;
   TBDFile File = std::move(Result.get());
   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
   EXPECT_EQ(File->getPlatforms().size(), 1U);
   EXPECT_EQ(Platform, *File->getPlatforms().begin());
 }

 TEST(TBDv2, Swift_1_0) {
   static const char TBDv2Swift1[] = "--- !tapi-tbd-v2\n"
                                     "archs: [ arm64 ]\n"
                                     "platform: ios\n"
                                     "install-name: Test.dylib\n"
                                     "swift-version: 1.0\n"
                                     "...\n";

   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv2Swift1, "Test.tbd"));
   EXPECT_TRUE(!!Result);
   TBDFile File = std::move(Result.get());
   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
   EXPECT_EQ(1U, File->getSwiftABIVersion());
 }

 TEST(TBDv2, Swift_1_1) {
   static const char TBDv2Swift1dot[] = "--- !tapi-tbd-v2\n"
                                        "archs: [ arm64 ]\n"
                                        "platform: ios\n"
                                        "install-name: Test.dylib\n"
                                        "swift-version: 1.1\n"
                                        "...\n";

   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv2Swift1dot, "Test.tbd"));
   EXPECT_TRUE(!!Result);
   TBDFile File = std::move(Result.get());
   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
   EXPECT_EQ(2U, File->getSwiftABIVersion());
 }

 TEST(TBDv2, Swift_2_0) {
   static const char tbd_v2_swift_2_0[] = "--- !tapi-tbd-v2\n"
                                          "archs: [ arm64 ]\n"
                                          "platform: ios\n"
                                          "install-name: Test.dylib\n"
                                          "swift-version: 2.0\n"
                                          "...\n";

   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(tbd_v2_swift_2_0, "Test.tbd"));
   EXPECT_TRUE(!!Result);
   TBDFile File = std::move(Result.get());
   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
   EXPECT_EQ(3U, File->getSwiftABIVersion());
 }

 TEST(TBDv2, Swift_3_0) {
   static const char TBDv2Swift3[] = "--- !tapi-tbd-v2\n"
                                     "archs: [ arm64 ]\n"
                                     "platform: ios\n"
                                     "install-name: Test.dylib\n"
                                     "swift-version: 3.0\n"
                                     "...\n";

   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv2Swift3, "Test.tbd"));
   EXPECT_TRUE(!!Result);
   TBDFile File = std::move(Result.get());
   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
   EXPECT_EQ(4U, File->getSwiftABIVersion());
 }

 TEST(TBDv2, Swift_4_0) {
   static const char TBDv2Swift4[] = "--- !tapi-tbd-v2\n"
                                     "archs: [ arm64 ]\n"
                                     "platform: ios\n"
                                     "install-name: Test.dylib\n"
                                     "swift-version: 4.0\n"
                                     "...\n";

   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv2Swift4, "Test.tbd"));
   EXPECT_FALSE(!!Result);
   std::string ErrorMessage = toString(Result.takeError());
   EXPECT_EQ("malformed file\nTest.tbd:5:16: error: invalid Swift ABI "
             "version.\nswift-version: 4.0\n               ^~~\n",
             ErrorMessage);
 }

 TEST(TBDv2, Swift_5) {
   static const char TBDv2Swift5[] = "--- !tapi-tbd-v2\n"
                                     "archs: [ arm64 ]\n"
                                     "platform: ios\n"
                                     "install-name: Test.dylib\n"
                                     "swift-version: 5\n"
                                     "...\n";

   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv2Swift5, "Test.tbd"));
   EXPECT_TRUE(!!Result);
   TBDFile File = std::move(Result.get());
   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
   EXPECT_EQ(5U, File->getSwiftABIVersion());
 }

 TEST(TBDv2, Swift_99) {
   static const char TBDv2Swift99[] = "--- !tapi-tbd-v2\n"
                                      "archs: [ arm64 ]\n"
                                      "platform: ios\n"
                                      "install-name: Test.dylib\n"
                                      "swift-version: 99\n"
                                      "...\n";

   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv2Swift99, "Test.tbd"));
   EXPECT_TRUE(!!Result);
   TBDFile File = std::move(Result.get());
   EXPECT_EQ(FileType::TBD_V2, File->getFileType());
   EXPECT_EQ(99U, File->getSwiftABIVersion());
 }

 TEST(TBDv2, UnknownArchitecture) {
   static const char TBDv2FileUnknownArch[] = "--- !tapi-tbd-v2\n"
                                              "archs: [ foo ]\n"
                                              "platform: macosx\n"
                                              "install-name: Test.dylib\n"
                                              "...\n";
   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv2FileUnknownArch, "Test.tbd"));
   EXPECT_TRUE(!!Result);
 }

 TEST(TBDv2, UnknownPlatform) {
   static const char TBDv2FileUnknownPlatform[] = "--- !tapi-tbd-v2\n"
                                                  "archs: [ i386 ]\n"
                                                  "platform: newOS\n"
                                                  "...\n";

   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv2FileUnknownPlatform, "Test.tbd"));
   EXPECT_FALSE(!!Result);
   std::string ErrorMessage = toString(Result.takeError());
   EXPECT_EQ("malformed file\nTest.tbd:3:11: error: unknown platform\nplatform: "
             "newOS\n          ^~~~~\n",
             ErrorMessage);
 }

 TEST(TBDv2, InvalidPlatform) {
   static const char TBDv2FileInvalidPlatform[] = "--- !tapi-tbd-v2\n"
                                                  "archs: [ i386 ]\n"
                                                  "platform: iosmac\n"
                                                  "install-name: Test.dylib\n"
                                                  "...\n";

   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv2FileInvalidPlatform, "Test.tbd"));
   EXPECT_FALSE(!!Result);
   std::string ErrorMessage = toString(Result.takeError());
   EXPECT_EQ("malformed file\nTest.tbd:3:11: error: invalid platform\nplatform: "
             "iosmac\n          ^~~~~~\n",
             ErrorMessage);
 }

 TEST(TBDv2, MalformedFile1) {
   static const char TBDv2FileMalformed1[] = "--- !tapi-tbd-v2\n"
                                             "archs: [ arm64 ]\n"
                                             "foobar: \"Unsupported key\"\n"
                                             "...\n";

   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv2FileMalformed1, "Test.tbd"));
   EXPECT_FALSE(!!Result);
   std::string ErrorMessage = toString(Result.takeError());
   ASSERT_EQ("malformed file\nTest.tbd:2:1: error: missing required key "
             "'platform'\narchs: [ arm64 ]\n^\n",
             ErrorMessage);
 }

 TEST(TBDv2, MalformedFile2) {
   static const char TBDv2FileMalformed2[] = "--- !tapi-tbd-v2\n"
                                             "archs: [ arm64 ]\n"
                                             "platform: ios\n"
                                             "install-name: Test.dylib\n"
                                             "foobar: \"Unsupported key\"\n"
                                             "...\n";

   Expected<TBDFile> Result =
       TextAPIReader::get(MemoryBufferRef(TBDv2FileMalformed2, "Test.tbd"));
   EXPECT_FALSE(!!Result);
   std::string ErrorMessage = toString(Result.takeError());
   ASSERT_EQ(
       "malformed file\nTest.tbd:5:1: error: unknown key 'foobar'\nfoobar: "
       "\"Unsupported key\"\n^~~~~~\n",
       ErrorMessage);
 }

 } // namespace TBDv2
	//===-- TextStubV2Tests.cpp - TBD V2 File Test ----------------------------===//
	//
	// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
	// See https://llvm.org/LICENSE.txt for license information.
	// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
	//
	//===-----------------------------------------------------------------------===/
	#include "TextStubHelpers.h"
	#include "llvm/TextAPI/InterfaceFile.h"
	#include "llvm/TextAPI/TextAPIReader.h"
	#include "llvm/TextAPI/TextAPIWriter.h"
	#include "gtest/gtest.h"
	#include <string>
	#include <vector>

	using namespace llvm;
	using namespace llvm::MachO;

	static ExportedSymbol TBDv2Symbols[] = {
	{SymbolKind::GlobalSymbol, "$ld$hide$os9.0$_sym1", false, false},
	{SymbolKind::GlobalSymbol, "_sym1", false, false},
	{SymbolKind::GlobalSymbol, "_sym2", false, false},
	{SymbolKind::GlobalSymbol, "_sym3", false, false},
	{SymbolKind::GlobalSymbol, "_sym4", false, false},
	{SymbolKind::GlobalSymbol, "_sym5", false, false},
	{SymbolKind::GlobalSymbol, "_tlv1", false, true},
	{SymbolKind::GlobalSymbol, "_tlv2", false, true},
	{SymbolKind::GlobalSymbol, "_tlv3", false, true},
	{SymbolKind::GlobalSymbol, "_weak1", true, false},
	{SymbolKind::GlobalSymbol, "_weak2", true, false},
	{SymbolKind::GlobalSymbol, "_weak3", true, false},
	{SymbolKind::ObjectiveCClass, "class1", false, false},
	{SymbolKind::ObjectiveCClass, "class2", false, false},
	{SymbolKind::ObjectiveCClass, "class3", false, false},
	{SymbolKind::ObjectiveCInstanceVariable, "class1._ivar1", false, false},
	{SymbolKind::ObjectiveCInstanceVariable, "class1._ivar2", false, false},
	{SymbolKind::ObjectiveCInstanceVariable, "class1._ivar3", false, false},
	};

	namespace TBDv2 {

	TEST(TBDv2, ReadFile) {
	static const char TBDv2File1[] =
	"--- !tapi-tbd-v2\n"
	"archs: [ armv7, armv7s, armv7k, arm64 ]\n"
	"platform: ios\n"
	"flags: [ installapi ]\n"
	"install-name: Test.dylib\n"
	"current-version: 2.3.4\n"
	"compatibility-version: 1.0\n"
	"swift-version: 1.1\n"
	"parent-umbrella: Umbrella.dylib\n"
	"exports:\n"
	" - archs: [ armv7, armv7s, armv7k, arm64 ]\n"
	" allowable-clients: [ clientA ]\n"
	" re-exports: [ /usr/lib/libfoo.dylib ]\n"
	" symbols: [ _sym1, _sym2, _sym3, _sym4, $ld$hide$os9.0$_sym1 ]\n"
	" objc-classes: [ _class1, _class2 ]\n"
	" objc-ivars: [ _class1._ivar1, _class1._ivar2 ]\n"
	" weak-def-symbols: [ _weak1, _weak2 ]\n"
	" thread-local-symbols: [ _tlv1, _tlv2 ]\n"
	" - archs: [ armv7, armv7s, armv7k ]\n"
	" symbols: [ _sym5 ]\n"
	" objc-classes: [ _class3 ]\n"
	" objc-ivars: [ _class1._ivar3 ]\n"
	" weak-def-symbols: [ _weak3 ]\n"
	" thread-local-symbols: [ _tlv3 ]\n"
	"...\n";

	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(TBDv2File1, "Test.tbd"));
	EXPECT_TRUE(!!Result);
	TBDFile File = std::move(Result.get());
	EXPECT_EQ(FileType::TBD_V2, File->getFileType());
	auto Archs = AK_armv7 \| AK_armv7s \| AK_armv7k \| AK_arm64;
	auto Platform = PlatformKind::iOS;
	TargetList Targets;
	for (auto &&arch : Archs)
	Targets.emplace_back(Target(arch, Platform));
	EXPECT_EQ(Archs, File->getArchitectures());
	EXPECT_EQ(File->getPlatforms().size(), 1U);
	EXPECT_EQ(Platform, *File->getPlatforms().begin());
	EXPECT_EQ(std::string("Test.dylib"), File->getInstallName());
	EXPECT_EQ(PackedVersion(2, 3, 4), File->getCurrentVersion());
	EXPECT_EQ(PackedVersion(1, 0, 0), File->getCompatibilityVersion());
	EXPECT_EQ(2U, File->getSwiftABIVersion());
	EXPECT_EQ(ObjCConstraintType::Retain_Release, File->getObjCConstraint());
	EXPECT_TRUE(File->isTwoLevelNamespace());
	EXPECT_TRUE(File->isApplicationExtensionSafe());
	EXPECT_TRUE(File->isInstallAPI());
	InterfaceFileRef client("clientA", Targets);
	InterfaceFileRef reexport("/usr/lib/libfoo.dylib", Targets);
	EXPECT_EQ(1U, File->allowableClients().size());
	EXPECT_EQ(client, File->allowableClients().front());
	EXPECT_EQ(1U, File->reexportedLibraries().size());
	EXPECT_EQ(reexport, File->reexportedLibraries().front());

	ExportedSymbolSeq Exports;
	for (const auto *Sym : File->symbols()) {
	EXPECT_FALSE(Sym->isWeakReferenced());
	EXPECT_FALSE(Sym->isUndefined());
	Exports.emplace_back(
	ExportedSymbol{Sym->getKind(), std::string(Sym->getName()),
	Sym->isWeakDefined(), Sym->isThreadLocalValue()});
	}
	llvm::sort(Exports.begin(), Exports.end());

	EXPECT_EQ(sizeof(TBDv2Symbols) / sizeof(ExportedSymbol), Exports.size());
	EXPECT_TRUE(
	std::equal(Exports.begin(), Exports.end(), std::begin(TBDv2Symbols)));
	}

	TEST(TBDv2, ReadFile2) {
	static const char TBDv2File2[] =
	"--- !tapi-tbd-v2\n"
	"archs: [ armv7, armv7s, armv7k, arm64 ]\n"
	"platform: ios\n"
	"flags: [ flat_namespace, not_app_extension_safe ]\n"
	"install-name: Test.dylib\n"
	"swift-version: 1.1\n"
	"exports:\n"
	" - archs: [ armv7, armv7s, armv7k, arm64 ]\n"
	" symbols: [ _sym1, _sym2, _sym3, _sym4, $ld$hide$os9.0$_sym1 ]\n"
	" objc-classes: [ _class1, _class2 ]\n"
	" objc-ivars: [ _class1._ivar1, _class1._ivar2 ]\n"
	" weak-def-symbols: [ _weak1, _weak2 ]\n"
	" thread-local-symbols: [ _tlv1, _tlv2 ]\n"
	" - archs: [ armv7, armv7s, armv7k ]\n"
	" symbols: [ _sym5 ]\n"
	" objc-classes: [ _class3 ]\n"
	" objc-ivars: [ _class1._ivar3 ]\n"
	" weak-def-symbols: [ _weak3 ]\n"
	" thread-local-symbols: [ _tlv3 ]\n"
	"undefineds:\n"
	" - archs: [ armv7, armv7s, armv7k, arm64 ]\n"
	" symbols: [ _undefSym1, _undefSym2, _undefSym3 ]\n"
	" objc-classes: [ _undefClass1, _undefClass2 ]\n"
	" objc-ivars: [ _undefClass1._ivar1, _undefClass1._ivar2 ]\n"
	" weak-ref-symbols: [ _undefWeak1, _undefWeak2 ]\n"
	"...\n";

	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(TBDv2File2, "Test.tbd"));
	EXPECT_TRUE(!!Result);
	TBDFile File = std::move(Result.get());
	EXPECT_EQ(FileType::TBD_V2, File->getFileType());
	auto Archs = AK_armv7 \| AK_armv7s \| AK_armv7k \| AK_arm64;
	auto Platform = PlatformKind::iOS;
	TargetList Targets;
	for (auto &&arch : Archs)
	Targets.emplace_back(Target(arch, Platform));
	EXPECT_EQ(Archs, File->getArchitectures());
	EXPECT_EQ(File->getPlatforms().size(), 1U);
	EXPECT_EQ(Platform, *File->getPlatforms().begin());
	EXPECT_EQ(std::string("Test.dylib"), File->getInstallName());
	EXPECT_EQ(PackedVersion(1, 0, 0), File->getCurrentVersion());
	EXPECT_EQ(PackedVersion(1, 0, 0), File->getCompatibilityVersion());
	EXPECT_EQ(2U, File->getSwiftABIVersion());
	EXPECT_EQ(ObjCConstraintType::Retain_Release, File->getObjCConstraint());
	EXPECT_FALSE(File->isTwoLevelNamespace());
	EXPECT_FALSE(File->isApplicationExtensionSafe());
	EXPECT_FALSE(File->isInstallAPI());
	EXPECT_EQ(0U, File->allowableClients().size());
	EXPECT_EQ(0U, File->reexportedLibraries().size());
	}

	TEST(TBDv2, WriteFile) {
	static const char TBDv2File3[] =
	"--- !tapi-tbd-v2\n"
	"archs: [ i386, x86_64 ]\n"
	"platform: macosx\n"
	"install-name: '/usr/lib/libfoo.dylib'\n"
	"current-version: 1.2.3\n"
	"compatibility-version: 0\n"
	"swift-version: 5\n"
	"exports:\n"
	" - archs: [ i386 ]\n"
	" symbols: [ _sym1 ]\n"
	" weak-def-symbols: [ _sym2 ]\n"
	" thread-local-symbols: [ _sym3 ]\n"
	" - archs: [ x86_64 ]\n"
	" allowable-clients: [ clientA ]\n"
	" re-exports: [ '/usr/lib/libfoo.dylib' ]\n"
	" symbols: [ '_OBJC_EHTYPE_$_Class1' ]\n"
	" objc-classes: [ _Class1 ]\n"
	" objc-ivars: [ _Class1._ivar1 ]\n"
	"...\n";

	InterfaceFile File;
	TargetList Targets;
	for (auto &&arch : AK_i386 \| AK_x86_64)
	Targets.emplace_back(Target(arch, PlatformKind::macOS));
	File.setPath("libfoo.dylib");
	File.setInstallName("/usr/lib/libfoo.dylib");
	File.setFileType(FileType::TBD_V2);
	File.addTargets(Targets);
	File.setCurrentVersion(PackedVersion(1, 2, 3));
	File.setTwoLevelNamespace();
	File.setApplicationExtensionSafe();
	File.setSwiftABIVersion(5);
	File.setObjCConstraint(ObjCConstraintType::Retain_Release);
	File.addAllowableClient("clientA", Targets[1]);
	File.addReexportedLibrary("/usr/lib/libfoo.dylib", Targets[1]);
	File.addSymbol(SymbolKind::GlobalSymbol, "_sym1", {Targets[0]});
	File.addSymbol(SymbolKind::GlobalSymbol, "_sym2", {Targets[0]},
	SymbolFlags::WeakDefined);
	File.addSymbol(SymbolKind::GlobalSymbol, "_sym3", {Targets[0]},
	SymbolFlags::ThreadLocalValue);
	File.addSymbol(SymbolKind::ObjectiveCClass, "Class1", {Targets[1]});
	File.addSymbol(SymbolKind::ObjectiveCClassEHType, "Class1", {Targets[1]});
	File.addSymbol(SymbolKind::ObjectiveCInstanceVariable, "Class1._ivar1",
	{Targets[1]});

	SmallString<4096> Buffer;
	raw_svector_ostream OS(Buffer);
	Error Result = TextAPIWriter::writeToStream(OS, File);
	EXPECT_FALSE(Result);
	EXPECT_STREQ(TBDv2File3, Buffer.c_str());
	}

	TEST(TBDv2, Platform_macOS) {
	static const char TBDv2PlatformMacOS[] = "--- !tapi-tbd-v2\n"
	"archs: [ x86_64 ]\n"
	"platform: macosx\n"
	"install-name: Test.dylib\n"
	"...\n";

	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(TBDv2PlatformMacOS, "Test.tbd"));
	EXPECT_TRUE(!!Result);
	TBDFile File = std::move(Result.get());
	auto Platform = PlatformKind::macOS;
	EXPECT_EQ(FileType::TBD_V2, File->getFileType());
	EXPECT_EQ(File->getPlatforms().size(), 1U);
	EXPECT_EQ(Platform, *File->getPlatforms().begin());
	}

	TEST(TBDv2, Platform_iOS) {
	static const char TBDv2PlatformiOS[] = "--- !tapi-tbd-v2\n"
	"archs: [ arm64 ]\n"
	"platform: ios\n"
	"install-name: Test.dylib\n"
	"...\n";

	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(TBDv2PlatformiOS, "Test.tbd"));
	EXPECT_TRUE(!!Result);
	auto Platform = PlatformKind::iOS;
	TBDFile File = std::move(Result.get());
	EXPECT_EQ(FileType::TBD_V2, File->getFileType());
	EXPECT_EQ(File->getPlatforms().size(), 1U);
	EXPECT_EQ(Platform, *File->getPlatforms().begin());
	}

	TEST(TBDv2, Platform_watchOS) {
	static const char TBDv2PlatformWatchOS[] = "--- !tapi-tbd-v2\n"
	"archs: [ armv7k ]\n"
	"platform: watchos\n"
	"install-name: Test.dylib\n"
	"...\n";

	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(TBDv2PlatformWatchOS, "Test.tbd"));
	EXPECT_TRUE(!!Result);
	auto Platform = PlatformKind::watchOS;
	TBDFile File = std::move(Result.get());
	EXPECT_EQ(FileType::TBD_V2, File->getFileType());
	EXPECT_EQ(File->getPlatforms().size(), 1U);
	EXPECT_EQ(Platform, *File->getPlatforms().begin());
	}

	TEST(TBDv2, Platform_tvOS) {
	static const char TBDv2PlatformtvOS[] = "--- !tapi-tbd-v2\n"
	"archs: [ arm64 ]\n"
	"platform: tvos\n"
	"install-name: Test.dylib\n"
	"...\n";

	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(TBDv2PlatformtvOS, "Test.tbd"));
	EXPECT_TRUE(!!Result);
	auto Platform = PlatformKind::tvOS;
	TBDFile File = std::move(Result.get());
	EXPECT_EQ(FileType::TBD_V2, File->getFileType());
	EXPECT_EQ(File->getPlatforms().size(), 1U);
	EXPECT_EQ(Platform, *File->getPlatforms().begin());
	}

	TEST(TBDv2, Platform_bridgeOS) {
	static const char TBDv2BridgeOS[] = "--- !tapi-tbd-v2\n"
	"archs: [ armv7k ]\n"
	"platform: bridgeos\n"
	"install-name: Test.dylib\n"
	"...\n";

	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(TBDv2BridgeOS, "Test.tbd"));
	EXPECT_TRUE(!!Result);
	auto Platform = PlatformKind::bridgeOS;
	TBDFile File = std::move(Result.get());
	EXPECT_EQ(FileType::TBD_V2, File->getFileType());
	EXPECT_EQ(File->getPlatforms().size(), 1U);
	EXPECT_EQ(Platform, *File->getPlatforms().begin());
	}

	TEST(TBDv2, Swift_1_0) {
	static const char TBDv2Swift1[] = "--- !tapi-tbd-v2\n"
	"archs: [ arm64 ]\n"
	"platform: ios\n"
	"install-name: Test.dylib\n"
	"swift-version: 1.0\n"
	"...\n";

	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(TBDv2Swift1, "Test.tbd"));
	EXPECT_TRUE(!!Result);
	TBDFile File = std::move(Result.get());
	EXPECT_EQ(FileType::TBD_V2, File->getFileType());
	EXPECT_EQ(1U, File->getSwiftABIVersion());
	}

	TEST(TBDv2, Swift_1_1) {
	static const char TBDv2Swift1dot[] = "--- !tapi-tbd-v2\n"
	"archs: [ arm64 ]\n"
	"platform: ios\n"
	"install-name: Test.dylib\n"
	"swift-version: 1.1\n"
	"...\n";

	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(TBDv2Swift1dot, "Test.tbd"));
	EXPECT_TRUE(!!Result);
	TBDFile File = std::move(Result.get());
	EXPECT_EQ(FileType::TBD_V2, File->getFileType());
	EXPECT_EQ(2U, File->getSwiftABIVersion());
	}

	TEST(TBDv2, Swift_2_0) {
	static const char tbd_v2_swift_2_0[] = "--- !tapi-tbd-v2\n"
	"archs: [ arm64 ]\n"
	"platform: ios\n"
	"install-name: Test.dylib\n"
	"swift-version: 2.0\n"
	"...\n";

	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(tbd_v2_swift_2_0, "Test.tbd"));
	EXPECT_TRUE(!!Result);
	TBDFile File = std::move(Result.get());
	EXPECT_EQ(FileType::TBD_V2, File->getFileType());
	EXPECT_EQ(3U, File->getSwiftABIVersion());
	}

	TEST(TBDv2, Swift_3_0) {
	static const char TBDv2Swift3[] = "--- !tapi-tbd-v2\n"
	"archs: [ arm64 ]\n"
	"platform: ios\n"
	"install-name: Test.dylib\n"
	"swift-version: 3.0\n"
	"...\n";

	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(TBDv2Swift3, "Test.tbd"));
	EXPECT_TRUE(!!Result);
	TBDFile File = std::move(Result.get());
	EXPECT_EQ(FileType::TBD_V2, File->getFileType());
	EXPECT_EQ(4U, File->getSwiftABIVersion());
	}

	TEST(TBDv2, Swift_4_0) {
	static const char TBDv2Swift4[] = "--- !tapi-tbd-v2\n"
	"archs: [ arm64 ]\n"
	"platform: ios\n"
	"install-name: Test.dylib\n"
	"swift-version: 4.0\n"
	"...\n";

	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(TBDv2Swift4, "Test.tbd"));
	EXPECT_FALSE(!!Result);
	std::string ErrorMessage = toString(Result.takeError());
	EXPECT_EQ("malformed file\nTest.tbd:5:16: error: invalid Swift ABI "
	"version.\nswift-version: 4.0\n ^~~\n",
	ErrorMessage);
	}

	TEST(TBDv2, Swift_5) {
	static const char TBDv2Swift5[] = "--- !tapi-tbd-v2\n"
	"archs: [ arm64 ]\n"
	"platform: ios\n"
	"install-name: Test.dylib\n"
	"swift-version: 5\n"
	"...\n";

	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(TBDv2Swift5, "Test.tbd"));
	EXPECT_TRUE(!!Result);
	TBDFile File = std::move(Result.get());
	EXPECT_EQ(FileType::TBD_V2, File->getFileType());
	EXPECT_EQ(5U, File->getSwiftABIVersion());
	}

	TEST(TBDv2, Swift_99) {
	static const char TBDv2Swift99[] = "--- !tapi-tbd-v2\n"
	"archs: [ arm64 ]\n"
	"platform: ios\n"
	"install-name: Test.dylib\n"
	"swift-version: 99\n"
	"...\n";

	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(TBDv2Swift99, "Test.tbd"));
	EXPECT_TRUE(!!Result);
	TBDFile File = std::move(Result.get());
	EXPECT_EQ(FileType::TBD_V2, File->getFileType());
	EXPECT_EQ(99U, File->getSwiftABIVersion());
	}

	TEST(TBDv2, UnknownArchitecture) {
	static const char TBDv2FileUnknownArch[] = "--- !tapi-tbd-v2\n"
	"archs: [ foo ]\n"
	"platform: macosx\n"
	"install-name: Test.dylib\n"
	"...\n";
	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(TBDv2FileUnknownArch, "Test.tbd"));
	EXPECT_TRUE(!!Result);
	}

	TEST(TBDv2, UnknownPlatform) {
	static const char TBDv2FileUnknownPlatform[] = "--- !tapi-tbd-v2\n"
	"archs: [ i386 ]\n"
	"platform: newOS\n"
	"...\n";

	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(TBDv2FileUnknownPlatform, "Test.tbd"));
	EXPECT_FALSE(!!Result);
	std::string ErrorMessage = toString(Result.takeError());
	EXPECT_EQ("malformed file\nTest.tbd:3:11: error: unknown platform\nplatform: "
	"newOS\n ^~~~~\n",
	ErrorMessage);
	}

	TEST(TBDv2, InvalidPlatform) {
	static const char TBDv2FileInvalidPlatform[] = "--- !tapi-tbd-v2\n"
	"archs: [ i386 ]\n"
	"platform: iosmac\n"
	"install-name: Test.dylib\n"
	"...\n";

	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(TBDv2FileInvalidPlatform, "Test.tbd"));
	EXPECT_FALSE(!!Result);
	std::string ErrorMessage = toString(Result.takeError());
	EXPECT_EQ("malformed file\nTest.tbd:3:11: error: invalid platform\nplatform: "
	"iosmac\n ^~~~~~\n",
	ErrorMessage);
	}

	TEST(TBDv2, MalformedFile1) {
	static const char TBDv2FileMalformed1[] = "--- !tapi-tbd-v2\n"
	"archs: [ arm64 ]\n"
	"foobar: \"Unsupported key\"\n"
	"...\n";

	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(TBDv2FileMalformed1, "Test.tbd"));
	EXPECT_FALSE(!!Result);
	std::string ErrorMessage = toString(Result.takeError());
	ASSERT_EQ("malformed file\nTest.tbd:2:1: error: missing required key "
	"'platform'\narchs: [ arm64 ]\n^\n",
	ErrorMessage);
	}

	TEST(TBDv2, MalformedFile2) {
	static const char TBDv2FileMalformed2[] = "--- !tapi-tbd-v2\n"
	"archs: [ arm64 ]\n"
	"platform: ios\n"
	"install-name: Test.dylib\n"
	"foobar: \"Unsupported key\"\n"
	"...\n";

	Expected<TBDFile> Result =
	TextAPIReader::get(MemoryBufferRef(TBDv2FileMalformed2, "Test.tbd"));
	EXPECT_FALSE(!!Result);
	std::string ErrorMessage = toString(Result.takeError());
	ASSERT_EQ(
	"malformed file\nTest.tbd:5:1: error: unknown key 'foobar'\nfoobar: "
	"\"Unsupported key\"\n^~~~~~\n",
	ErrorMessage);
	}

	} // namespace TBDv2