1 files changed, 0 insertions, 258 deletions
diff --git a/gnu/llvm/tools/clang/unittests/Lex/HeaderMapTest.cpp b/gnu/llvm/tools/clang/unittests/Lex/HeaderMapTest.cpp
deleted file mode 100644
index d16efe82c19..00000000000
--- a/gnu/llvm/tools/clang/unittests/Lex/HeaderMapTest.cpp
+++ /dev/null
@@ -1,258 +0,0 @@
-//===- unittests/Lex/HeaderMapTest.cpp - HeaderMap tests ----------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===--------------------------------------------------------------===//
-
-#include "clang/Basic/CharInfo.h"
-#include "clang/Lex/HeaderMap.h"
-#include "clang/Lex/HeaderMapTypes.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/Support/SwapByteOrder.h"
-#include "gtest/gtest.h"
-#include <cassert>
-#include <type_traits>
-
-using namespace clang;
-using namespace llvm;
-
-namespace {
-
-// Lay out a header file for testing.
-template <unsigned NumBuckets, unsigned NumBytes> struct MapFile {
-  HMapHeader Header;
-  HMapBucket Buckets[NumBuckets];
-  unsigned char Bytes[NumBytes];
-
-  void init() {
-    memset(this, 0, sizeof(MapFile));
-    Header.Magic = HMAP_HeaderMagicNumber;
-    Header.Version = HMAP_HeaderVersion;
-    Header.NumBuckets = NumBuckets;
-    Header.StringsOffset = sizeof(Header) + sizeof(Buckets);
-  }
-
-  void swapBytes() {
-    using llvm::sys::getSwappedBytes;
-    Header.Magic = getSwappedBytes(Header.Magic);
-    Header.Version = getSwappedBytes(Header.Version);
-    Header.NumBuckets = getSwappedBytes(Header.NumBuckets);
-    Header.StringsOffset = getSwappedBytes(Header.StringsOffset);
-  }
-
-  std::unique_ptr<const MemoryBuffer> getBuffer() const {
-    return MemoryBuffer::getMemBuffer(
-        StringRef(reinterpret_cast<const char *>(this), sizeof(MapFile)),
-        "header",
-        /* RequresNullTerminator */ false);
-  }
-};
-
-// The header map hash function.
-static inline unsigned getHash(StringRef Str) {
-  unsigned Result = 0;
-  for (char C : Str)
-    Result += toLowercase(C) * 13;
-  return Result;
-}
-
-template <class FileTy> struct FileMaker {
-  FileTy &File;
-  unsigned SI = 1;
-  unsigned BI = 0;
-  FileMaker(FileTy &File) : File(File) {}
-
-  unsigned addString(StringRef S) {
-    assert(SI + S.size() + 1 <= sizeof(File.Bytes));
-    std::copy(S.begin(), S.end(), File.Bytes + SI);
-    auto OldSI = SI;
-    SI += S.size() + 1;
-    return OldSI;
-  }
-  void addBucket(unsigned Hash, unsigned Key, unsigned Prefix, unsigned Suffix) {
-    assert(!(File.Header.NumBuckets & (File.Header.NumBuckets - 1)));
-    unsigned I = Hash & (File.Header.NumBuckets - 1);
-    do {
-      if (!File.Buckets[I].Key) {
-        File.Buckets[I].Key = Key;
-        File.Buckets[I].Prefix = Prefix;
-        File.Buckets[I].Suffix = Suffix;
-        ++File.Header.NumEntries;
-        return;
-      }
-      ++I;
-      I &= File.Header.NumBuckets - 1;
-    } while (I != (Hash & (File.Header.NumBuckets - 1)));
-    llvm_unreachable("no empty buckets");
-  }
-};
-
-TEST(HeaderMapTest, checkHeaderEmpty) {
-  bool NeedsSwap;
-  ASSERT_FALSE(HeaderMapImpl::checkHeader(
-      *MemoryBuffer::getMemBufferCopy("", "empty"), NeedsSwap));
-  ASSERT_FALSE(HeaderMapImpl::checkHeader(
-      *MemoryBuffer::getMemBufferCopy("", "empty"), NeedsSwap));
-}
-
-TEST(HeaderMapTest, checkHeaderMagic) {
-  MapFile<1, 1> File;
-  File.init();
-  File.Header.Magic = 0;
-  bool NeedsSwap;
-  ASSERT_FALSE(HeaderMapImpl::checkHeader(*File.getBuffer(), NeedsSwap));
-}
-
-TEST(HeaderMapTest, checkHeaderReserved) {
-  MapFile<1, 1> File;
-  File.init();
-  File.Header.Reserved = 1;
-  bool NeedsSwap;
-  ASSERT_FALSE(HeaderMapImpl::checkHeader(*File.getBuffer(), NeedsSwap));
-}
-
-TEST(HeaderMapTest, checkHeaderVersion) {
-  MapFile<1, 1> File;
-  File.init();
-  ++File.Header.Version;
-  bool NeedsSwap;
-  ASSERT_FALSE(HeaderMapImpl::checkHeader(*File.getBuffer(), NeedsSwap));
-}
-
-TEST(HeaderMapTest, checkHeaderValidButEmpty) {
-  MapFile<1, 1> File;
-  File.init();
-  bool NeedsSwap;
-  ASSERT_TRUE(HeaderMapImpl::checkHeader(*File.getBuffer(), NeedsSwap));
-  ASSERT_FALSE(NeedsSwap);
-
-  File.swapBytes();
-  ASSERT_TRUE(HeaderMapImpl::checkHeader(*File.getBuffer(), NeedsSwap));
-  ASSERT_TRUE(NeedsSwap);
-}
-
-TEST(HeaderMapTest, checkHeader3Buckets) {
-  MapFile<3, 1> File;
-  ASSERT_EQ(3 * sizeof(HMapBucket), sizeof(File.Buckets));
-
-  File.init();
-  bool NeedsSwap;
-  ASSERT_FALSE(HeaderMapImpl::checkHeader(*File.getBuffer(), NeedsSwap));
-}
-
-TEST(HeaderMapTest, checkHeader0Buckets) {
-  // Create with 1 bucket to avoid 0-sized arrays.
-  MapFile<1, 1> File;
-  File.init();
-  File.Header.NumBuckets = 0;
-  bool NeedsSwap;
-  ASSERT_FALSE(HeaderMapImpl::checkHeader(*File.getBuffer(), NeedsSwap));
-}
-
-TEST(HeaderMapTest, checkHeaderNotEnoughBuckets) {
-  MapFile<1, 1> File;
-  File.init();
-  File.Header.NumBuckets = 8;
-  bool NeedsSwap;
-  ASSERT_FALSE(HeaderMapImpl::checkHeader(*File.getBuffer(), NeedsSwap));
-}
-
-TEST(HeaderMapTest, lookupFilename) {
-  typedef MapFile<2, 7> FileTy;
-  FileTy File;
-  File.init();
-
-  FileMaker<FileTy> Maker(File);
-  auto a = Maker.addString("a");
-  auto b = Maker.addString("b");
-  auto c = Maker.addString("c");
-  Maker.addBucket(getHash("a"), a, b, c);
-
-  bool NeedsSwap;
-  ASSERT_TRUE(HeaderMapImpl::checkHeader(*File.getBuffer(), NeedsSwap));
-  ASSERT_FALSE(NeedsSwap);
-  HeaderMapImpl Map(File.getBuffer(), NeedsSwap);
-
-  SmallString<8> DestPath;
-  ASSERT_EQ("bc", Map.lookupFilename("a", DestPath));
-}
-
-template <class FileTy, class PaddingTy> struct PaddedFile {
-  FileTy File;
-  PaddingTy Padding;
-};
-
-TEST(HeaderMapTest, lookupFilenameTruncatedSuffix) {
-  typedef MapFile<2, 64 - sizeof(HMapHeader) - 2 * sizeof(HMapBucket)> FileTy;
-  static_assert(std::is_standard_layout<FileTy>::value,
-                "Expected standard layout");
-  static_assert(sizeof(FileTy) == 64, "check the math");
-  PaddedFile<FileTy, uint64_t> P;
-  auto &File = P.File;
-  auto &Padding = P.Padding;
-  File.init();
-
-  FileMaker<FileTy> Maker(File);
-  auto a = Maker.addString("a");
-  auto b = Maker.addString("b");
-  auto c = Maker.addString("c");
-  Maker.addBucket(getHash("a"), a, b, c);
-
-  // Add 'x' characters to cause an overflow into Padding.
-  ASSERT_EQ('c', File.Bytes[5]);
-  for (unsigned I = 6; I < sizeof(File.Bytes); ++I) {
-    ASSERT_EQ(0, File.Bytes[I]);
-    File.Bytes[I] = 'x';
-  }
-  Padding = 0xffffffff; // Padding won't stop it either.
-
-  bool NeedsSwap;
-  ASSERT_TRUE(HeaderMapImpl::checkHeader(*File.getBuffer(), NeedsSwap));
-  ASSERT_FALSE(NeedsSwap);
-  HeaderMapImpl Map(File.getBuffer(), NeedsSwap);
-
-  // The string for "c" runs to the end of File.  Check that the suffix
-  // ("cxxxx...") is detected as truncated, and an empty string is returned.
-  SmallString<24> DestPath;
-  ASSERT_EQ("", Map.lookupFilename("a", DestPath));
-}
-
-TEST(HeaderMapTest, lookupFilenameTruncatedPrefix) {
-  typedef MapFile<2, 64 - sizeof(HMapHeader) - 2 * sizeof(HMapBucket)> FileTy;
-  static_assert(std::is_standard_layout<FileTy>::value,
-                "Expected standard layout");
-  static_assert(sizeof(FileTy) == 64, "check the math");
-  PaddedFile<FileTy, uint64_t> P;
-  auto &File = P.File;
-  auto &Padding = P.Padding;
-  File.init();
-
-  FileMaker<FileTy> Maker(File);
-  auto a = Maker.addString("a");
-  auto c = Maker.addString("c");
-  auto b = Maker.addString("b"); // Store the prefix last.
-  Maker.addBucket(getHash("a"), a, b, c);
-
-  // Add 'x' characters to cause an overflow into Padding.
-  ASSERT_EQ('b', File.Bytes[5]);
-  for (unsigned I = 6; I < sizeof(File.Bytes); ++I) {
-    ASSERT_EQ(0, File.Bytes[I]);
-    File.Bytes[I] = 'x';
-  }
-  Padding = 0xffffffff; // Padding won't stop it either.
-
-  bool NeedsSwap;
-  ASSERT_TRUE(HeaderMapImpl::checkHeader(*File.getBuffer(), NeedsSwap));
-  ASSERT_FALSE(NeedsSwap);
-  HeaderMapImpl Map(File.getBuffer(), NeedsSwap);
-
-  // The string for "b" runs to the end of File.  Check that the prefix
-  // ("bxxxx...") is detected as truncated, and an empty string is returned.
-  SmallString<24> DestPath;
-  ASSERT_EQ("", Map.lookupFilename("a", DestPath));
-}
-
-} // end namespace