head	1.1;
branch	1.1.1;
access;
symbols
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	netbsd-11-0-RC3:1.1.1.2
	netbsd-11-0-RC2:1.1.1.2
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	LLVM:1.1.1;
locks; strict;
comment	@// @;


1.1
date	2018.07.17.18.32.13;	author joerg;	state Exp;
branches
	1.1.1.1;
next	;
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1.1.1.1
date	2018.07.17.18.32.13;	author joerg;	state Exp;
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	1.1.1.1.2.1
	1.1.1.1.4.1;
next	1.1.1.2;
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1.1.1.2
date	2019.11.13.22.23.10;	author joerg;	state dead;
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1.1.1.1.2.1
date	2018.07.17.18.32.13;	author pgoyette;	state dead;
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1.1.1.1.2.2
date	2018.07.28.04.34.19;	author pgoyette;	state Exp;
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1.1.1.1.4.1
date	2018.07.17.18.32.13;	author christos;	state dead;
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1.1.1.1.4.2
date	2019.06.10.21.46.46;	author christos;	state Exp;
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1.1.1.1.4.3
date	2020.04.13.07.50.38;	author martin;	state dead;
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desc
@@


1.1
log
@Initial revision
@
text
@//===- unittests/Frontend/ASTUnitTest.cpp - ASTUnit tests -----------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include <fstream>

#include "clang/Frontend/ASTUnit.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/CompilerInvocation.h"
#include "clang/Frontend/PCHContainerOperations.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/ToolOutputFile.h"
#include "gtest/gtest.h"

using namespace llvm;
using namespace clang;

namespace {

class ASTUnitTest : public ::testing::Test {
protected:
  int FD;
  llvm::SmallString<256> InputFileName;
  std::unique_ptr<ToolOutputFile> input_file;
  IntrusiveRefCntPtr<DiagnosticsEngine> Diags;
  std::shared_ptr<CompilerInvocation> CInvok;
  std::shared_ptr<PCHContainerOperations> PCHContainerOps;

  std::unique_ptr<ASTUnit> createASTUnit(bool isVolatile) {
    EXPECT_FALSE(llvm::sys::fs::createTemporaryFile("ast-unit", "cpp", FD,
                                                    InputFileName));
    input_file = llvm::make_unique<ToolOutputFile>(InputFileName, FD);
    input_file->os() << "";

    const char *Args[] = {"clang", "-xc++", InputFileName.c_str()};

    Diags = CompilerInstance::createDiagnostics(new DiagnosticOptions());

    CInvok = createInvocationFromCommandLine(Args, Diags);

    if (!CInvok)
      return nullptr;

    FileManager *FileMgr =
        new FileManager(FileSystemOptions(), vfs::getRealFileSystem());
    PCHContainerOps = std::make_shared<PCHContainerOperations>();

    return ASTUnit::LoadFromCompilerInvocation(
        CInvok, PCHContainerOps, Diags, FileMgr, false, false, 0, TU_Complete,
        false, false, isVolatile);
  }
};

TEST_F(ASTUnitTest, SaveLoadPreservesLangOptionsInPrintingPolicy) {
  // Check that the printing policy is restored with the correct language
  // options when loading an ASTUnit from a file.  To this end, an ASTUnit
  // for a C++ translation unit is set up and written to a temporary file.

  // By default `UseVoidForZeroParams` is true for non-C++ language options,
  // thus we can check this field after loading the ASTUnit to deduce whether
  // the correct (C++) language options were used when setting up the printing
  // policy.

  {
    PrintingPolicy PolicyWithDefaultLangOpt(LangOptions{});
    EXPECT_TRUE(PolicyWithDefaultLangOpt.UseVoidForZeroParams);
  }

  std::unique_ptr<ASTUnit> AST = createASTUnit(false);

  if (!AST)
    FAIL() << "failed to create ASTUnit";

  EXPECT_FALSE(AST->getASTContext().getPrintingPolicy().UseVoidForZeroParams);

  llvm::SmallString<256> ASTFileName;
  ASSERT_FALSE(
      llvm::sys::fs::createTemporaryFile("ast-unit", "ast", FD, ASTFileName));
  ToolOutputFile ast_file(ASTFileName, FD);
  AST->Save(ASTFileName.str());

  EXPECT_TRUE(llvm::sys::fs::exists(ASTFileName));

  std::unique_ptr<ASTUnit> AU = ASTUnit::LoadFromASTFile(
      ASTFileName.str(), PCHContainerOps->getRawReader(),
      ASTUnit::LoadEverything, Diags, FileSystemOptions(),
      /*UseDebugInfo=*/false);

  if (!AU)
    FAIL() << "failed to load ASTUnit";

  EXPECT_FALSE(AU->getASTContext().getPrintingPolicy().UseVoidForZeroParams);
}

TEST_F(ASTUnitTest, GetBufferForFileMemoryMapping) {
  std::unique_ptr<ASTUnit> AST = createASTUnit(true);

  if (!AST)
    FAIL() << "failed to create ASTUnit";

  std::unique_ptr<llvm::MemoryBuffer> memoryBuffer =
      AST->getBufferForFile(InputFileName);

  EXPECT_NE(memoryBuffer->getBufferKind(),
            llvm::MemoryBuffer::MemoryBuffer_MMap);
}

} // anonymous namespace
@


1.1.1.1
log
@Import clang r337282 from trunk
@
text
@@


1.1.1.2
log
@Mark old LLVM instance as dead.
@
text
@@


1.1.1.1.4.1
log
@file ASTUnitTest.cpp was added on branch phil-wifi on 2019-06-10 21:46:46 +0000
@
text
@d1 114
@


1.1.1.1.4.2
log
@Sync with HEAD
@
text
@a0 114
//===- unittests/Frontend/ASTUnitTest.cpp - ASTUnit tests -----------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include <fstream>

#include "clang/Frontend/ASTUnit.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/CompilerInvocation.h"
#include "clang/Frontend/PCHContainerOperations.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/ToolOutputFile.h"
#include "gtest/gtest.h"

using namespace llvm;
using namespace clang;

namespace {

class ASTUnitTest : public ::testing::Test {
protected:
  int FD;
  llvm::SmallString<256> InputFileName;
  std::unique_ptr<ToolOutputFile> input_file;
  IntrusiveRefCntPtr<DiagnosticsEngine> Diags;
  std::shared_ptr<CompilerInvocation> CInvok;
  std::shared_ptr<PCHContainerOperations> PCHContainerOps;

  std::unique_ptr<ASTUnit> createASTUnit(bool isVolatile) {
    EXPECT_FALSE(llvm::sys::fs::createTemporaryFile("ast-unit", "cpp", FD,
                                                    InputFileName));
    input_file = llvm::make_unique<ToolOutputFile>(InputFileName, FD);
    input_file->os() << "";

    const char *Args[] = {"clang", "-xc++", InputFileName.c_str()};

    Diags = CompilerInstance::createDiagnostics(new DiagnosticOptions());

    CInvok = createInvocationFromCommandLine(Args, Diags);

    if (!CInvok)
      return nullptr;

    FileManager *FileMgr =
        new FileManager(FileSystemOptions(), vfs::getRealFileSystem());
    PCHContainerOps = std::make_shared<PCHContainerOperations>();

    return ASTUnit::LoadFromCompilerInvocation(
        CInvok, PCHContainerOps, Diags, FileMgr, false, false, 0, TU_Complete,
        false, false, isVolatile);
  }
};

TEST_F(ASTUnitTest, SaveLoadPreservesLangOptionsInPrintingPolicy) {
  // Check that the printing policy is restored with the correct language
  // options when loading an ASTUnit from a file.  To this end, an ASTUnit
  // for a C++ translation unit is set up and written to a temporary file.

  // By default `UseVoidForZeroParams` is true for non-C++ language options,
  // thus we can check this field after loading the ASTUnit to deduce whether
  // the correct (C++) language options were used when setting up the printing
  // policy.

  {
    PrintingPolicy PolicyWithDefaultLangOpt(LangOptions{});
    EXPECT_TRUE(PolicyWithDefaultLangOpt.UseVoidForZeroParams);
  }

  std::unique_ptr<ASTUnit> AST = createASTUnit(false);

  if (!AST)
    FAIL() << "failed to create ASTUnit";

  EXPECT_FALSE(AST->getASTContext().getPrintingPolicy().UseVoidForZeroParams);

  llvm::SmallString<256> ASTFileName;
  ASSERT_FALSE(
      llvm::sys::fs::createTemporaryFile("ast-unit", "ast", FD, ASTFileName));
  ToolOutputFile ast_file(ASTFileName, FD);
  AST->Save(ASTFileName.str());

  EXPECT_TRUE(llvm::sys::fs::exists(ASTFileName));

  std::unique_ptr<ASTUnit> AU = ASTUnit::LoadFromASTFile(
      ASTFileName.str(), PCHContainerOps->getRawReader(),
      ASTUnit::LoadEverything, Diags, FileSystemOptions(),
      /*UseDebugInfo=*/false);

  if (!AU)
    FAIL() << "failed to load ASTUnit";

  EXPECT_FALSE(AU->getASTContext().getPrintingPolicy().UseVoidForZeroParams);
}

TEST_F(ASTUnitTest, GetBufferForFileMemoryMapping) {
  std::unique_ptr<ASTUnit> AST = createASTUnit(true);

  if (!AST)
    FAIL() << "failed to create ASTUnit";

  std::unique_ptr<llvm::MemoryBuffer> memoryBuffer =
      AST->getBufferForFile(InputFileName);

  EXPECT_NE(memoryBuffer->getBufferKind(),
            llvm::MemoryBuffer::MemoryBuffer_MMap);
}

} // anonymous namespace
@


1.1.1.1.4.3
log
@Mostly merge changes from HEAD upto 20200411
@
text
@@


1.1.1.1.2.1
log
@file ASTUnitTest.cpp was added on branch pgoyette-compat on 2018-07-28 04:34:19 +0000
@
text
@d1 114
@


1.1.1.1.2.2
log
@Sync with HEAD
@
text
@a0 114
//===- unittests/Frontend/ASTUnitTest.cpp - ASTUnit tests -----------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include <fstream>

#include "clang/Frontend/ASTUnit.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/CompilerInvocation.h"
#include "clang/Frontend/PCHContainerOperations.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/ToolOutputFile.h"
#include "gtest/gtest.h"

using namespace llvm;
using namespace clang;

namespace {

class ASTUnitTest : public ::testing::Test {
protected:
  int FD;
  llvm::SmallString<256> InputFileName;
  std::unique_ptr<ToolOutputFile> input_file;
  IntrusiveRefCntPtr<DiagnosticsEngine> Diags;
  std::shared_ptr<CompilerInvocation> CInvok;
  std::shared_ptr<PCHContainerOperations> PCHContainerOps;

  std::unique_ptr<ASTUnit> createASTUnit(bool isVolatile) {
    EXPECT_FALSE(llvm::sys::fs::createTemporaryFile("ast-unit", "cpp", FD,
                                                    InputFileName));
    input_file = llvm::make_unique<ToolOutputFile>(InputFileName, FD);
    input_file->os() << "";

    const char *Args[] = {"clang", "-xc++", InputFileName.c_str()};

    Diags = CompilerInstance::createDiagnostics(new DiagnosticOptions());

    CInvok = createInvocationFromCommandLine(Args, Diags);

    if (!CInvok)
      return nullptr;

    FileManager *FileMgr =
        new FileManager(FileSystemOptions(), vfs::getRealFileSystem());
    PCHContainerOps = std::make_shared<PCHContainerOperations>();

    return ASTUnit::LoadFromCompilerInvocation(
        CInvok, PCHContainerOps, Diags, FileMgr, false, false, 0, TU_Complete,
        false, false, isVolatile);
  }
};

TEST_F(ASTUnitTest, SaveLoadPreservesLangOptionsInPrintingPolicy) {
  // Check that the printing policy is restored with the correct language
  // options when loading an ASTUnit from a file.  To this end, an ASTUnit
  // for a C++ translation unit is set up and written to a temporary file.

  // By default `UseVoidForZeroParams` is true for non-C++ language options,
  // thus we can check this field after loading the ASTUnit to deduce whether
  // the correct (C++) language options were used when setting up the printing
  // policy.

  {
    PrintingPolicy PolicyWithDefaultLangOpt(LangOptions{});
    EXPECT_TRUE(PolicyWithDefaultLangOpt.UseVoidForZeroParams);
  }

  std::unique_ptr<ASTUnit> AST = createASTUnit(false);

  if (!AST)
    FAIL() << "failed to create ASTUnit";

  EXPECT_FALSE(AST->getASTContext().getPrintingPolicy().UseVoidForZeroParams);

  llvm::SmallString<256> ASTFileName;
  ASSERT_FALSE(
      llvm::sys::fs::createTemporaryFile("ast-unit", "ast", FD, ASTFileName));
  ToolOutputFile ast_file(ASTFileName, FD);
  AST->Save(ASTFileName.str());

  EXPECT_TRUE(llvm::sys::fs::exists(ASTFileName));

  std::unique_ptr<ASTUnit> AU = ASTUnit::LoadFromASTFile(
      ASTFileName.str(), PCHContainerOps->getRawReader(),
      ASTUnit::LoadEverything, Diags, FileSystemOptions(),
      /*UseDebugInfo=*/false);

  if (!AU)
    FAIL() << "failed to load ASTUnit";

  EXPECT_FALSE(AU->getASTContext().getPrintingPolicy().UseVoidForZeroParams);
}

TEST_F(ASTUnitTest, GetBufferForFileMemoryMapping) {
  std::unique_ptr<ASTUnit> AST = createASTUnit(true);

  if (!AST)
    FAIL() << "failed to create ASTUnit";

  std::unique_ptr<llvm::MemoryBuffer> memoryBuffer =
      AST->getBufferForFile(InputFileName);

  EXPECT_NE(memoryBuffer->getBufferKind(),
            llvm::MemoryBuffer::MemoryBuffer_MMap);
}

} // anonymous namespace
@