Create snapshot/mac and move some files from snapshot and util to there

util/mac/mach_o_image_segment_reader_test.cc

-// Copyright 2014 The Crashpad Authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "util/mac/mach_o_image_segment_reader.h"
-
-#include <mach-o/loader.h>
-
-#include "base/basictypes.h"
-#include "base/strings/stringprintf.h"
-#include "gtest/gtest.h"
-
-namespace crashpad {
-namespace test {
-namespace {
-
-// Most of MachOImageSegmentReader is tested as part of MachOImageReader, which
-// depends on MachOImageSegmentReader to provide major portions of its
-// functionality. Because MachOImageSegmentReader is difficult to use except by
-// a Mach-O load command reader such as MachOImageReader, these portions
-// of MachOImageSegmentReader are not tested independently.
-//
-// The tests here exercise the portions of MachOImageSegmentReader that are
-// exposed and independently useful.
-
-TEST(MachOImageSegmentReader, SegmentNameString) {
-  // The output value should be a string of up to 16 characters, even if the
-  // input value is not NUL-terminated within 16 characters.
-  EXPECT_EQ("__TEXT", MachOImageSegmentReader::SegmentNameString("__TEXT"));
-  EXPECT_EQ("__OVER", MachOImageSegmentReader::SegmentNameString("__OVER"));
-  EXPECT_EQ("", MachOImageSegmentReader::SegmentNameString(""));
-  EXPECT_EQ("p", MachOImageSegmentReader::SegmentNameString("p"));
-  EXPECT_EQ("NoUnderChar",
-            MachOImageSegmentReader::SegmentNameString("NoUnderChar"));
-  EXPECT_EQ("0123456789abcde",
-            MachOImageSegmentReader::SegmentNameString("0123456789abcde"));
-  EXPECT_EQ("0123456789abcdef",
-            MachOImageSegmentReader::SegmentNameString("0123456789abcdef"));
-  EXPECT_EQ("gfedcba987654321",
-            MachOImageSegmentReader::SegmentNameString("gfedcba9876543210"));
-  EXPECT_EQ("hgfedcba98765432",
-            MachOImageSegmentReader::SegmentNameString("hgfedcba9876543210"));
-
-  // Segment names defined in <mach-o/loader.h>. All of these should come
-  // through SegmentNameString() cleanly and without truncation.
-  const char* kSegmentTestData[] = {
-      SEG_TEXT,
-      SEG_DATA,
-      SEG_OBJC,
-      SEG_ICON,
-      SEG_LINKEDIT,
-      SEG_UNIXSTACK,
-      SEG_IMPORT,
-  };
-
-  for (size_t index = 0; index < arraysize(kSegmentTestData); ++index) {
-    EXPECT_EQ(
-        kSegmentTestData[index],
-        MachOImageSegmentReader::SegmentNameString(kSegmentTestData[index]))
-        << base::StringPrintf("index %zu", index);
-  }
-}
-
-TEST(MachOImageSegmentReader, SectionNameString) {
-  // The output value should be a string of up to 16 characters, even if the
-  // input value is not NUL-terminated within 16 characters.
-  EXPECT_EQ("__text", MachOImageSegmentReader::SectionNameString("__text"));
-  EXPECT_EQ("__over", MachOImageSegmentReader::SectionNameString("__over"));
-  EXPECT_EQ("", MachOImageSegmentReader::SectionNameString(""));
-  EXPECT_EQ("p", MachOImageSegmentReader::SectionNameString("p"));
-  EXPECT_EQ("NoUnderChar",
-            MachOImageSegmentReader::SectionNameString("NoUnderChar"));
-  EXPECT_EQ("0123456789abcde",
-            MachOImageSegmentReader::SectionNameString("0123456789abcde"));
-  EXPECT_EQ("0123456789abcdef",
-            MachOImageSegmentReader::SectionNameString("0123456789abcdef"));
-  EXPECT_EQ("gfedcba987654321",
-            MachOImageSegmentReader::SectionNameString("gfedcba9876543210"));
-  EXPECT_EQ("hgfedcba98765432",
-            MachOImageSegmentReader::SectionNameString("hgfedcba9876543210"));
-
-  // Section names defined in <mach-o/loader.h>. All of these should come
-  // through SectionNameString() cleanly and without truncation.
-  const char* kSectionTestData[] = {
-      SECT_TEXT,
-      SECT_FVMLIB_INIT0,
-      SECT_FVMLIB_INIT1,
-      SECT_DATA,
-      SECT_BSS,
-      SECT_COMMON,
-      SECT_OBJC_SYMBOLS,
-      SECT_OBJC_MODULES,
-      SECT_OBJC_STRINGS,
-      SECT_OBJC_REFS,
-      SECT_ICON_HEADER,
-      SECT_ICON_TIFF,
-  };
-
-  for (size_t index = 0; index < arraysize(kSectionTestData); ++index) {
-    EXPECT_EQ(
-        kSectionTestData[index],
-        MachOImageSegmentReader::SectionNameString(kSectionTestData[index]))
-        << base::StringPrintf("index %zu", index);
-  }
-}
-
-TEST(MachOImageSegmentReader, SegmentAndSectionNameString) {
-  struct SegmentAndSectionTestData {
-    const char* segment;
-    const char* section;
-    const char* output;
-  };
-  const SegmentAndSectionTestData kSegmentAndSectionTestData[] = {
-      {"segment", "section", "segment,section"},
-      {"Segment", "Section", "Segment,Section"},
-      {"SEGMENT", "SECTION", "SEGMENT,SECTION"},
-      {"__TEXT", "__plain", "__TEXT,__plain"},
-      {"__TEXT", "poetry", "__TEXT,poetry"},
-      {"__TEXT", "Prose", "__TEXT,Prose"},
-      {"__PLAIN", "__text", "__PLAIN,__text"},
-      {"rich", "__text", "rich,__text"},
-      {"segment", "", "segment,"},
-      {"", "section", ",section"},
-      {"", "", ","},
-      {"0123456789abcdef", "section", "0123456789abcdef,section"},
-      {"gfedcba9876543210", "section", "gfedcba987654321,section"},
-      {"0123456789abcdef", "", "0123456789abcdef,"},
-      {"gfedcba9876543210", "", "gfedcba987654321,"},
-      {"segment", "0123456789abcdef", "segment,0123456789abcdef"},
-      {"segment", "gfedcba9876543210", "segment,gfedcba987654321"},
-      {"", "0123456789abcdef", ",0123456789abcdef"},
-      {"", "gfedcba9876543210", ",gfedcba987654321"},
-      {"0123456789abcdef",
-       "0123456789abcdef",
-       "0123456789abcdef,0123456789abcdef"},
-      {"gfedcba9876543210",
-       "gfedcba9876543210",
-       "gfedcba987654321,gfedcba987654321"},
-
-      // Sections defined in <mach-o/loader.h>. All of these should come through
-      // SegmentAndSectionNameString() cleanly and without truncation.
-      {SEG_TEXT, SECT_TEXT, "__TEXT,__text"},
-      {SEG_TEXT, SECT_FVMLIB_INIT0, "__TEXT,__fvmlib_init0"},
-      {SEG_TEXT, SECT_FVMLIB_INIT1, "__TEXT,__fvmlib_init1"},
-      {SEG_DATA, SECT_DATA, "__DATA,__data"},
-      {SEG_DATA, SECT_BSS, "__DATA,__bss"},
-      {SEG_DATA, SECT_COMMON, "__DATA,__common"},
-      {SEG_OBJC, SECT_OBJC_SYMBOLS, "__OBJC,__symbol_table"},
-      {SEG_OBJC, SECT_OBJC_MODULES, "__OBJC,__module_info"},
-      {SEG_OBJC, SECT_OBJC_STRINGS, "__OBJC,__selector_strs"},
-      {SEG_OBJC, SECT_OBJC_REFS, "__OBJC,__selector_refs"},
-      {SEG_ICON, SECT_ICON_HEADER, "__ICON,__header"},
-      {SEG_ICON, SECT_ICON_TIFF, "__ICON,__tiff"},
-
-      // These segments don’t normally have sections, but the above group tested
-      // the known segment names for segments that do normally have sections.
-      // This group does the same for segments that normally don’t.
-      {SEG_LINKEDIT, "", "__LINKEDIT,"},
-      {SEG_UNIXSTACK, "", "__UNIXSTACK,"},
-      {SEG_IMPORT, "", "__IMPORT,"},
-  };
-
-  for (size_t index = 0; index < arraysize(kSegmentAndSectionTestData);
-       ++index) {
-    const SegmentAndSectionTestData& test = kSegmentAndSectionTestData[index];
-    EXPECT_EQ(test.output,
-              MachOImageSegmentReader::SegmentAndSectionNameString(
-                  test.segment, test.section))
-        << base::StringPrintf("index %zu, segment %s, section %s",
-                              index,
-                              test.segment,
-                              test.section);
-  }
-}
-
-}  // namespace
-}  // namespace test
-}  // namespace crashpad