Move base to DEPS

base/debug/proc_maps_linux_unittest.cc

Index: base/debug/proc_maps_linux_unittest.cc
diff --git a/base/debug/proc_maps_linux_unittest.cc b/base/debug/proc_maps_linux_unittest.cc
deleted file mode 100644
index cbc0dd036ad015522623f5cc907854f8b016e76c..0000000000000000000000000000000000000000
--- a/base/debug/proc_maps_linux_unittest.cc
+++ /dev/null
@@ -1,338 +0,0 @@
-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/debug/proc_maps_linux.h"
-#include "base/files/file_path.h"
-#include "base/path_service.h"
-#include "base/strings/stringprintf.h"
-#include "base/third_party/dynamic_annotations/dynamic_annotations.h"
-#include "base/threading/platform_thread.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace base {
-namespace debug {
-
-TEST(ProcMapsTest, Empty) {
-  std::vector<MappedMemoryRegion> regions;
-  EXPECT_TRUE(ParseProcMaps("", &regions));
-  EXPECT_EQ(0u, regions.size());
-}
-
-TEST(ProcMapsTest, NoSpaces) {
-  static const char kNoSpaces[] =
-      "00400000-0040b000 r-xp 00002200 fc:00 794418 /bin/cat\n";
-
-  std::vector<MappedMemoryRegion> regions;
-  ASSERT_TRUE(ParseProcMaps(kNoSpaces, &regions));
-  ASSERT_EQ(1u, regions.size());
-
-  EXPECT_EQ(0x00400000u, regions[0].start);
-  EXPECT_EQ(0x0040b000u, regions[0].end);
-  EXPECT_EQ(0x00002200u, regions[0].offset);
-  EXPECT_EQ("/bin/cat", regions[0].path);
-}
-
-TEST(ProcMapsTest, Spaces) {
-  static const char kSpaces[] =
-      "00400000-0040b000 r-xp 00002200 fc:00 794418 /bin/space cat\n";
-
-  std::vector<MappedMemoryRegion> regions;
-  ASSERT_TRUE(ParseProcMaps(kSpaces, &regions));
-  ASSERT_EQ(1u, regions.size());
-
-  EXPECT_EQ(0x00400000u, regions[0].start);
-  EXPECT_EQ(0x0040b000u, regions[0].end);
-  EXPECT_EQ(0x00002200u, regions[0].offset);
-  EXPECT_EQ("/bin/space cat", regions[0].path);
-}
-
-TEST(ProcMapsTest, NoNewline) {
-  static const char kNoSpaces[] =
-      "00400000-0040b000 r-xp 00002200 fc:00 794418 /bin/cat";
-
-  std::vector<MappedMemoryRegion> regions;
-  ASSERT_FALSE(ParseProcMaps(kNoSpaces, &regions));
-}
-
-TEST(ProcMapsTest, NoPath) {
-  static const char kNoPath[] =
-      "00400000-0040b000 rw-p 00000000 00:00 0 \n";
-
-  std::vector<MappedMemoryRegion> regions;
-  ASSERT_TRUE(ParseProcMaps(kNoPath, &regions));
-  ASSERT_EQ(1u, regions.size());
-
-  EXPECT_EQ(0x00400000u, regions[0].start);
-  EXPECT_EQ(0x0040b000u, regions[0].end);
-  EXPECT_EQ(0x00000000u, regions[0].offset);
-  EXPECT_EQ("", regions[0].path);
-}
-
-TEST(ProcMapsTest, Heap) {
-  static const char kHeap[] =
-      "022ac000-022cd000 rw-p 00000000 00:00 0 [heap]\n";
-
-  std::vector<MappedMemoryRegion> regions;
-  ASSERT_TRUE(ParseProcMaps(kHeap, &regions));
-  ASSERT_EQ(1u, regions.size());
-
-  EXPECT_EQ(0x022ac000u, regions[0].start);
-  EXPECT_EQ(0x022cd000u, regions[0].end);
-  EXPECT_EQ(0x00000000u, regions[0].offset);
-  EXPECT_EQ("[heap]", regions[0].path);
-}
-
-#if defined(ARCH_CPU_32_BITS)
-TEST(ProcMapsTest, Stack32) {
-  static const char kStack[] =
-      "beb04000-beb25000 rw-p 00000000 00:00 0 [stack]\n";
-
-  std::vector<MappedMemoryRegion> regions;
-  ASSERT_TRUE(ParseProcMaps(kStack, &regions));
-  ASSERT_EQ(1u, regions.size());
-
-  EXPECT_EQ(0xbeb04000u, regions[0].start);
-  EXPECT_EQ(0xbeb25000u, regions[0].end);
-  EXPECT_EQ(0x00000000u, regions[0].offset);
-  EXPECT_EQ("[stack]", regions[0].path);
-}
-#elif defined(ARCH_CPU_64_BITS)
-TEST(ProcMapsTest, Stack64) {
-  static const char kStack[] =
-      "7fff69c5b000-7fff69c7d000 rw-p 00000000 00:00 0 [stack]\n";
-
-  std::vector<MappedMemoryRegion> regions;
-  ASSERT_TRUE(ParseProcMaps(kStack, &regions));
-  ASSERT_EQ(1u, regions.size());
-
-  EXPECT_EQ(0x7fff69c5b000u, regions[0].start);
-  EXPECT_EQ(0x7fff69c7d000u, regions[0].end);
-  EXPECT_EQ(0x00000000u, regions[0].offset);
-  EXPECT_EQ("[stack]", regions[0].path);
-}
-#endif
-
-TEST(ProcMapsTest, Multiple) {
-  static const char kMultiple[] =
-      "00400000-0040b000 r-xp 00000000 fc:00 794418 /bin/cat\n"
-      "0060a000-0060b000 r--p 0000a000 fc:00 794418 /bin/cat\n"
-      "0060b000-0060c000 rw-p 0000b000 fc:00 794418 /bin/cat\n";
-
-  std::vector<MappedMemoryRegion> regions;
-  ASSERT_TRUE(ParseProcMaps(kMultiple, &regions));
-  ASSERT_EQ(3u, regions.size());
-
-  EXPECT_EQ(0x00400000u, regions[0].start);
-  EXPECT_EQ(0x0040b000u, regions[0].end);
-  EXPECT_EQ(0x00000000u, regions[0].offset);
-  EXPECT_EQ("/bin/cat", regions[0].path);
-
-  EXPECT_EQ(0x0060a000u, regions[1].start);
-  EXPECT_EQ(0x0060b000u, regions[1].end);
-  EXPECT_EQ(0x0000a000u, regions[1].offset);
-  EXPECT_EQ("/bin/cat", regions[1].path);
-
-  EXPECT_EQ(0x0060b000u, regions[2].start);
-  EXPECT_EQ(0x0060c000u, regions[2].end);
-  EXPECT_EQ(0x0000b000u, regions[2].offset);
-  EXPECT_EQ("/bin/cat", regions[2].path);
-}
-
-TEST(ProcMapsTest, Permissions) {
-  static struct {
-    const char* input;
-    uint8 permissions;
-  } kTestCases[] = {
-    {"00400000-0040b000 ---s 00000000 fc:00 794418 /bin/cat\n", 0},
-    {"00400000-0040b000 ---S 00000000 fc:00 794418 /bin/cat\n", 0},
-    {"00400000-0040b000 r--s 00000000 fc:00 794418 /bin/cat\n",
-     MappedMemoryRegion::READ},
-    {"00400000-0040b000 -w-s 00000000 fc:00 794418 /bin/cat\n",
-     MappedMemoryRegion::WRITE},
-    {"00400000-0040b000 --xs 00000000 fc:00 794418 /bin/cat\n",
-     MappedMemoryRegion::EXECUTE},
-    {"00400000-0040b000 rwxs 00000000 fc:00 794418 /bin/cat\n",
-     MappedMemoryRegion::READ | MappedMemoryRegion::WRITE |
-         MappedMemoryRegion::EXECUTE},
-    {"00400000-0040b000 ---p 00000000 fc:00 794418 /bin/cat\n",
-     MappedMemoryRegion::PRIVATE},
-    {"00400000-0040b000 r--p 00000000 fc:00 794418 /bin/cat\n",
-     MappedMemoryRegion::READ | MappedMemoryRegion::PRIVATE},
-    {"00400000-0040b000 -w-p 00000000 fc:00 794418 /bin/cat\n",
-     MappedMemoryRegion::WRITE | MappedMemoryRegion::PRIVATE},
-    {"00400000-0040b000 --xp 00000000 fc:00 794418 /bin/cat\n",
-     MappedMemoryRegion::EXECUTE | MappedMemoryRegion::PRIVATE},
-    {"00400000-0040b000 rwxp 00000000 fc:00 794418 /bin/cat\n",
-     MappedMemoryRegion::READ | MappedMemoryRegion::WRITE |
-         MappedMemoryRegion::EXECUTE | MappedMemoryRegion::PRIVATE},
-  };
-
-  for (size_t i = 0; i < arraysize(kTestCases); ++i) {
-    SCOPED_TRACE(
-        base::StringPrintf("kTestCases[%zu] = %s", i, kTestCases[i].input));
-
-    std::vector<MappedMemoryRegion> regions;
-    EXPECT_TRUE(ParseProcMaps(kTestCases[i].input, &regions));
-    EXPECT_EQ(1u, regions.size());
-    if (regions.empty())
-      continue;
-    EXPECT_EQ(kTestCases[i].permissions, regions[0].permissions);
-  }
-}
-
-#if defined(ADDRESS_SANITIZER)
-// AddressSanitizer may move local variables to a dedicated "fake stack" which
-// is outside the stack region listed in /proc/self/maps. We disable ASan
-// instrumentation for this function to force the variable to be local.
-__attribute__((no_sanitize_address))
-#endif
-void CheckProcMapsRegions(const std::vector<MappedMemoryRegion> &regions) {
-  // We should be able to find both the current executable as well as the stack
-  // mapped into memory. Use the address of |exe_path| as a way of finding the
-  // stack.
-  FilePath exe_path;
-  EXPECT_TRUE(PathService::Get(FILE_EXE, &exe_path));
-  uintptr_t address = reinterpret_cast<uintptr_t>(&exe_path);
-  bool found_exe = false;
-  bool found_stack = false;
-  bool found_address = false;
-
-  for (size_t i = 0; i < regions.size(); ++i) {
-    if (regions[i].path == exe_path.value()) {
-      // It's OK to find the executable mapped multiple times as there'll be
-      // multiple sections (e.g., text, data).
-      found_exe = true;
-    }
-
-    // Valgrind uses its own allocated stacks instead of the kernel-provided
-    // stack without letting the kernel know via prctl(PR_SET_MM_START_STACK).
-    // Depending on which kernel you're running it'll impact the output of
-    // /proc/self/maps.
-    //
-    // Prior to version 3.4, the kernel completely ignores other stacks and
-    // always prints out the vma lying within mm->start_stack as [stack] even
-    // if the program was currently executing on a different stack.
-    //
-    // Starting in 3.4, the kernel will print out the vma containing the current
-    // stack pointer as [stack:TID] as long as that vma does not lie within
-    // mm->start_stack.
-    //
-    // Because this has gotten too complicated and brittle of a test, completely
-    // ignore checking for the stack and address when running under Valgrind.
-    // See http://crbug.com/431702 for more details.
-    if (!RunningOnValgrind() && regions[i].path == "[stack]") {
-      EXPECT_GE(address, regions[i].start);
-      EXPECT_LT(address, regions[i].end);
-      EXPECT_TRUE(regions[i].permissions & MappedMemoryRegion::READ);
-      EXPECT_TRUE(regions[i].permissions & MappedMemoryRegion::WRITE);
-      EXPECT_FALSE(regions[i].permissions & MappedMemoryRegion::EXECUTE);
-      EXPECT_TRUE(regions[i].permissions & MappedMemoryRegion::PRIVATE);
-      EXPECT_FALSE(found_stack) << "Found duplicate stacks";
-      found_stack = true;
-    }
-
-    if (address >= regions[i].start && address < regions[i].end) {
-      EXPECT_FALSE(found_address) << "Found same address in multiple regions";
-      found_address = true;
-    }
-  }
-
-  EXPECT_TRUE(found_exe);
-  if (!RunningOnValgrind()) {
-    EXPECT_TRUE(found_stack);
-    EXPECT_TRUE(found_address);
-  }
-}
-
-TEST(ProcMapsTest, ReadProcMaps) {
-  std::string proc_maps;
-  ASSERT_TRUE(ReadProcMaps(&proc_maps));
-
-  std::vector<MappedMemoryRegion> regions;
-  ASSERT_TRUE(ParseProcMaps(proc_maps, &regions));
-  ASSERT_FALSE(regions.empty());
-
-  CheckProcMapsRegions(regions);
-}
-
-TEST(ProcMapsTest, ReadProcMapsNonEmptyString) {
-  std::string old_string("I forgot to clear the string");
-  std::string proc_maps(old_string);
-  ASSERT_TRUE(ReadProcMaps(&proc_maps));
-  EXPECT_EQ(std::string::npos, proc_maps.find(old_string));
-}
-
-TEST(ProcMapsTest, MissingFields) {
-  static const char* const kTestCases[] = {
-    "00400000\n",                               // Missing end + beyond.
-    "00400000-0040b000\n",                      // Missing perms + beyond.
-    "00400000-0040b000 r-xp\n",                 // Missing offset + beyond.
-    "00400000-0040b000 r-xp 00000000\n",        // Missing device + beyond.
-    "00400000-0040b000 r-xp 00000000 fc:00\n",  // Missing inode + beyond.
-    "00400000-0040b000 00000000 fc:00 794418 /bin/cat\n",  // Missing perms.
-    "00400000-0040b000 r-xp fc:00 794418 /bin/cat\n",      // Missing offset.
-    "00400000-0040b000 r-xp 00000000 fc:00 /bin/cat\n",    // Missing inode.
-    "00400000 r-xp 00000000 fc:00 794418 /bin/cat\n",      // Missing end.
-    "-0040b000 r-xp 00000000 fc:00 794418 /bin/cat\n",     // Missing start.
-    "00400000-0040b000 r-xp 00000000 794418 /bin/cat\n",   // Missing device.
-  };
-
-  for (size_t i = 0; i < arraysize(kTestCases); ++i) {
-    SCOPED_TRACE(base::StringPrintf("kTestCases[%zu] = %s", i, kTestCases[i]));
-    std::vector<MappedMemoryRegion> regions;
-    EXPECT_FALSE(ParseProcMaps(kTestCases[i], &regions));
-  }
-}
-
-TEST(ProcMapsTest, InvalidInput) {
-  static const char* const kTestCases[] = {
-    "thisisal-0040b000 rwxp 00000000 fc:00 794418 /bin/cat\n",
-    "0040000d-linvalid rwxp 00000000 fc:00 794418 /bin/cat\n",
-    "00400000-0040b000 inpu 00000000 fc:00 794418 /bin/cat\n",
-    "00400000-0040b000 rwxp tforproc fc:00 794418 /bin/cat\n",
-    "00400000-0040b000 rwxp 00000000 ma:ps 794418 /bin/cat\n",
-    "00400000-0040b000 rwxp 00000000 fc:00 parse! /bin/cat\n",
-  };
-
-  for (size_t i = 0; i < arraysize(kTestCases); ++i) {
-    SCOPED_TRACE(base::StringPrintf("kTestCases[%zu] = %s", i, kTestCases[i]));
-    std::vector<MappedMemoryRegion> regions;
-    EXPECT_FALSE(ParseProcMaps(kTestCases[i], &regions));
-  }
-}
-
-TEST(ProcMapsTest, ParseProcMapsEmptyString) {
-  std::vector<MappedMemoryRegion> regions;
-  EXPECT_TRUE(ParseProcMaps("", &regions));
-  EXPECT_EQ(0ULL, regions.size());
-}
-
-// Testing a couple of remotely possible weird things in the input:
-// - Line ending with \r\n or \n\r.
-// - File name contains quotes.
-// - File name has whitespaces.
-TEST(ProcMapsTest, ParseProcMapsWeirdCorrectInput) {
-  std::vector<MappedMemoryRegion> regions;
-  const std::string kContents =
-    "00400000-0040b000 r-xp 00000000 fc:00 2106562 "
-      "               /bin/cat\r\n"
-    "7f53b7dad000-7f53b7f62000 r-xp 00000000 fc:00 263011 "
-      "       /lib/x86_64-linux-gnu/libc-2.15.so\n\r"
-    "7f53b816d000-7f53b818f000 r-xp 00000000 fc:00 264284 "
-      "        /lib/x86_64-linux-gnu/ld-2.15.so\n"
-    "7fff9c7ff000-7fff9c800000 r-xp 00000000 00:00 0 "
-      "               \"vd so\"\n"
-    "ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 "
-      "               [vsys call]\n";
-  EXPECT_TRUE(ParseProcMaps(kContents, &regions));
-  EXPECT_EQ(5ULL, regions.size());
-  EXPECT_EQ("/bin/cat", regions[0].path);
-  EXPECT_EQ("/lib/x86_64-linux-gnu/libc-2.15.so", regions[1].path);
-  EXPECT_EQ("/lib/x86_64-linux-gnu/ld-2.15.so", regions[2].path);
-  EXPECT_EQ("\"vd so\"", regions[3].path);
-  EXPECT_EQ("[vsys call]", regions[4].path);
-}
-
-}  // namespace debug
-}  // namespace base