Add base to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@8 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 238 insertions, 0 deletions

diff --git a/base/pickle_unittest.cc b/base/pickle_unittest.cc
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+++ b/base/pickle_unittest.cc
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#include <windows.h>
+#include <string.h>
+
+#include "base/basictypes.h"
+#include "base/check_handler.h"
+#include "base/logging.h"
+#include "base/scoped_ptr.h"
+#include "base/pickle.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+const int testint = 2093847192;
+const std::string teststr("Hello world"); // note non-aligned string length
+const std::wstring testwstr(L"Hello, world");
+const char testdata[] = "AAA\0BBB\0";
+const int testdatalen = arraysize(testdata) - 1;
+const bool testbool1 = false;
+const bool testbool2 = true;
+
+// checks that the result
+void VerifyResult(const Pickle& pickle) {
+  void* iter = NULL;
+
+  int outint;
+  EXPECT_TRUE(pickle.ReadInt(&iter, &outint));
+  EXPECT_EQ(testint, outint);
+
+  std::string outstr;
+  EXPECT_TRUE(pickle.ReadString(&iter, &outstr));
+  EXPECT_EQ(teststr, outstr);
+
+  std::wstring outwstr;
+  EXPECT_TRUE(pickle.ReadWString(&iter, &outwstr));
+  EXPECT_EQ(testwstr, outwstr);
+
+  bool outbool;
+  EXPECT_TRUE(pickle.ReadBool(&iter, &outbool));
+  EXPECT_EQ(testbool1, outbool);
+  EXPECT_TRUE(pickle.ReadBool(&iter, &outbool));
+  EXPECT_EQ(testbool2, outbool);
+
+  const char* outdata;
+  int outdatalen;
+  EXPECT_TRUE(pickle.ReadData(&iter, &outdata, &outdatalen));
+  EXPECT_EQ(testdatalen, outdatalen);
+  EXPECT_EQ(memcmp(testdata, outdata, outdatalen), 0);
+
+  EXPECT_TRUE(pickle.ReadData(&iter, &outdata, &outdatalen));
+  EXPECT_EQ(testdatalen, outdatalen);
+  EXPECT_EQ(memcmp(testdata, outdata, outdatalen), 0);
+
+  // reads past the end should fail
+  EXPECT_FALSE(pickle.ReadInt(&iter, &outint));
+}
+
+}  // namespace
+
+TEST(PickleTest, EncodeDecode) {
+  Pickle pickle;
+
+  EXPECT_TRUE(pickle.WriteInt(testint));
+  EXPECT_TRUE(pickle.WriteString(teststr));
+  EXPECT_TRUE(pickle.WriteWString(testwstr));
+  EXPECT_TRUE(pickle.WriteBool(testbool1));
+  EXPECT_TRUE(pickle.WriteBool(testbool2));
+  EXPECT_TRUE(pickle.WriteData(testdata, testdatalen));
+
+  char* dest = pickle.BeginWriteData(testdatalen);
+  EXPECT_TRUE(dest);
+  memcpy(dest, testdata, testdatalen);
+
+  VerifyResult(pickle);
+
+  // test copy constructor
+  Pickle pickle2(pickle);
+  VerifyResult(pickle2);
+
+  // test operator=
+  Pickle pickle3;
+  pickle3 = pickle;
+  VerifyResult(pickle3);
+}
+
+TEST(PickleTest, ZeroLenStr) {
+  Pickle pickle;
+  EXPECT_TRUE(pickle.WriteString(""));
+
+  void* iter = NULL;
+  std::string outstr;
+  EXPECT_TRUE(pickle.ReadString(&iter, &outstr));
+  EXPECT_EQ("", outstr);
+}
+
+TEST(PickleTest, ZeroLenWStr) {
+  Pickle pickle;
+  EXPECT_TRUE(pickle.WriteWString(L""));
+
+  void* iter = NULL;
+  std::string outstr;
+  EXPECT_TRUE(pickle.ReadString(&iter, &outstr));
+  EXPECT_EQ("", outstr);
+}
+
+TEST(PickleTest, BadLenStr) {
+  Pickle pickle;
+  EXPECT_TRUE(pickle.WriteInt(-2));
+
+  void* iter = NULL;
+  std::string outstr;
+  EXPECT_FALSE(pickle.ReadString(&iter, &outstr));
+}
+
+TEST(PickleTest, BadLenWStr) {
+  Pickle pickle;
+  EXPECT_TRUE(pickle.WriteInt(-1));
+
+  void* iter = NULL;
+  std::wstring woutstr;
+  EXPECT_FALSE(pickle.ReadWString(&iter, &woutstr));
+}
+
+TEST(PickleTest, FindNext) {
+  Pickle pickle;
+  EXPECT_TRUE(pickle.WriteInt(1));
+  EXPECT_TRUE(pickle.WriteString("Domo"));
+
+  const char* start = reinterpret_cast<const char*>(pickle.data());
+  const char* end = start + pickle.size();
+
+  EXPECT_TRUE(end == Pickle::FindNext(pickle.header_size_, start, end));
+  EXPECT_TRUE(NULL == Pickle::FindNext(pickle.header_size_, start, end - 1));
+  EXPECT_TRUE(end == Pickle::FindNext(pickle.header_size_, start, end + 1));
+}
+
+TEST(PickleTest, IteratorHasRoom) {
+  Pickle pickle;
+  EXPECT_TRUE(pickle.WriteInt(1));
+  EXPECT_TRUE(pickle.WriteInt(2));
+
+  const void* iter = 0;
+  EXPECT_FALSE(pickle.IteratorHasRoomFor(iter, 1));
+  iter = pickle.payload();
+  EXPECT_TRUE(pickle.IteratorHasRoomFor(iter, 0));
+  EXPECT_TRUE(pickle.IteratorHasRoomFor(iter, 1));
+  EXPECT_FALSE(pickle.IteratorHasRoomFor(iter, -1));
+  EXPECT_TRUE(pickle.IteratorHasRoomFor(iter, sizeof(int) * 2));
+  EXPECT_FALSE(pickle.IteratorHasRoomFor(iter, (sizeof(int) * 2) + 1));
+}
+
+TEST(PickleTest, Resize) {
+  int unit = Pickle::kPayloadUnit;
+  scoped_array<char> data(new char[unit]);
+  char* data_ptr = data.get();
+  for (int i = 0; i < unit; i++)
+    data_ptr[i] = 'G';
+
+  // construct a message that will be exactly the size of one payload unit,
+  // note that any data will have a 4-byte header indicating the size
+  const int payload_size_after_header = unit - sizeof(uint32);
+  Pickle pickle;
+  pickle.WriteData(data_ptr, payload_size_after_header - sizeof(uint32));
+  int cur_payload = payload_size_after_header;
+
+  EXPECT_EQ(pickle.capacity(), unit);
+  EXPECT_EQ(pickle.payload_size(), payload_size_after_header);
+
+  // fill out a full page (noting data header)
+  pickle.WriteData(data_ptr, unit - sizeof(uint32));
+  cur_payload += unit;
+  EXPECT_EQ(unit*2, pickle.capacity());
+  EXPECT_EQ(cur_payload, pickle.payload_size());
+
+  // one more byte should expand the capacity by one unit
+  pickle.WriteData(data_ptr, 1);
+  cur_payload += 5;
+  EXPECT_EQ(unit * 3, pickle.capacity());
+  EXPECT_EQ(cur_payload, pickle.payload_size());
+}
+
+TEST(PickleTest, HeaderPadding) {
+  struct CustomHeader : Pickle::Header {
+    int blah;
+  };
+
+  const uint32 kMagic = 0x12345678;
+
+  Pickle pickle(sizeof(CustomHeader));
+  pickle.WriteInt(kMagic);
+
+  // this should not overwrite the 'int' payload
+  pickle.headerT<CustomHeader>()->blah = 10;
+
+  void* iter = NULL;
+  int result;
+  ASSERT_TRUE(pickle.ReadInt(&iter, &result));
+
+  EXPECT_EQ(result, kMagic);
+}
+
+TEST(PickleTest, EqualsOperator) {
+  Pickle source;
+  source.WriteInt(1);
+
+  Pickle copy_refs_source_buffer(static_cast<const char*>(source.data()),
+                                 source.size());
+  Pickle copy;
+  copy = copy_refs_source_buffer;
+  ASSERT_EQ(source.size(), copy.size());
+}
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