Add base to the repository.

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

1 files changed, 403 insertions, 0 deletions

diff --git a/base/values_unittest.cc b/base/values_unittest.cc
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+++ b/base/values_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 "base/values.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+class ValuesTest: public testing::Test {
+};
+
+TEST(ValuesTest, Basic) {
+  // Test basic dictionary getting/setting
+  DictionaryValue settings;
+  std::wstring homepage = L"http://google.com";
+  ASSERT_FALSE(
+    settings.GetString(L"global.homepage", &homepage));
+  ASSERT_EQ(std::wstring(L"http://google.com"), homepage);
+
+  ASSERT_FALSE(settings.Get(L"global", NULL));
+  ASSERT_TRUE(settings.Set(L"global", Value::CreateBooleanValue(true)));
+  ASSERT_TRUE(settings.Get(L"global", NULL));
+  ASSERT_TRUE(settings.SetString(L"global.homepage", L"http://scurvy.com"));
+  ASSERT_TRUE(settings.Get(L"global", NULL));
+  homepage = L"http://google.com";
+  ASSERT_TRUE(settings.GetString(L"global.homepage", &homepage));
+  ASSERT_EQ(std::wstring(L"http://scurvy.com"), homepage);
+
+  // Test storing a dictionary in a list.
+  ListValue* toolbar_bookmarks;
+  ASSERT_FALSE(
+    settings.GetList(L"global.toolbar.bookmarks", &toolbar_bookmarks));
+
+  toolbar_bookmarks = new ListValue;
+  settings.Set(L"global.toolbar.bookmarks", toolbar_bookmarks);
+  ASSERT_TRUE(
+    settings.GetList(L"global.toolbar.bookmarks", &toolbar_bookmarks));
+
+  DictionaryValue* new_bookmark = new DictionaryValue;
+  new_bookmark->SetString(L"name", L"Froogle");
+  new_bookmark->SetString(L"url", L"http://froogle.com");
+  toolbar_bookmarks->Append(new_bookmark);
+
+  ListValue* bookmark_list;
+  ASSERT_TRUE(settings.GetList(L"global.toolbar.bookmarks", &bookmark_list));
+  DictionaryValue* bookmark;
+  ASSERT_EQ(1, bookmark_list->GetSize());
+  ASSERT_TRUE(bookmark_list->GetDictionary(0, &bookmark));
+  std::wstring bookmark_name = L"Unnamed";
+  ASSERT_TRUE(bookmark->GetString(L"name", &bookmark_name));
+  ASSERT_EQ(std::wstring(L"Froogle"), bookmark_name);
+  std::wstring bookmark_url;
+  ASSERT_TRUE(bookmark->GetString(L"url", &bookmark_url));
+  ASSERT_EQ(std::wstring(L"http://froogle.com"), bookmark_url);
+}
+
+TEST(ValuesTest, BinaryValue) {
+  char* buffer = NULL;
+  // Passing a null buffer pointer doesn't yield a BinaryValue
+  BinaryValue* binary = BinaryValue::Create(buffer, 0);
+  ASSERT_FALSE(binary);
+
+  // If you want to represent an empty binary value, use a zero-length buffer.
+  buffer = new char[0];
+  ASSERT_TRUE(buffer);
+  binary = BinaryValue::Create(buffer, 0);
+  ASSERT_TRUE(binary);
+  ASSERT_TRUE(binary->GetBuffer());
+  ASSERT_EQ(buffer, binary->GetBuffer());
+  ASSERT_EQ(0, binary->GetSize());
+  delete binary;
+  binary = NULL;
+
+  // Test the common case of a non-empty buffer
+  buffer = new char[15];
+  binary = BinaryValue::Create(buffer, 15);
+  ASSERT_TRUE(binary);
+  ASSERT_TRUE(binary->GetBuffer());
+  ASSERT_EQ(buffer, binary->GetBuffer());
+  ASSERT_EQ(15, binary->GetSize());
+  delete binary;
+  binary = NULL;
+
+  char stack_buffer[42];
+  memset(stack_buffer, '!', 42);
+  binary = BinaryValue::CreateWithCopiedBuffer(stack_buffer, 42);
+  ASSERT_TRUE(binary);
+  ASSERT_TRUE(binary->GetBuffer());
+  ASSERT_NE(stack_buffer, binary->GetBuffer());
+  ASSERT_EQ(42, binary->GetSize());
+  ASSERT_EQ(0, memcmp(stack_buffer, binary->GetBuffer(), binary->GetSize()));
+  delete binary;
+}
+
+// This is a Value object that allows us to tell if it's been
+// properly deleted by modifying the value of external flag on destruction.
+class DeletionTestValue : public Value {
+public:
+  DeletionTestValue(bool* deletion_flag) : Value(TYPE_NULL) {
+    Init(deletion_flag);  // Separate function so that we can use ASSERT_*
+  }
+
+  void Init(bool* deletion_flag) {
+    ASSERT_TRUE(deletion_flag);
+    deletion_flag_ = deletion_flag;
+    *deletion_flag_ = false;
+  }
+
+  ~DeletionTestValue() {
+    *deletion_flag_ = true;
+  }
+
+private:
+  bool* deletion_flag_;
+};
+
+TEST(ValuesTest, ListDeletion) {
+  bool deletion_flag = true;
+
+  {
+    ListValue list;
+    list.Append(new DeletionTestValue(&deletion_flag));
+    EXPECT_FALSE(deletion_flag);
+  }
+  EXPECT_TRUE(deletion_flag);
+
+  {
+    ListValue list;
+    list.Append(new DeletionTestValue(&deletion_flag));
+    EXPECT_FALSE(deletion_flag);
+    list.Clear();
+    EXPECT_TRUE(deletion_flag);
+  }
+
+  {
+    ListValue list;
+    list.Append(new DeletionTestValue(&deletion_flag));
+    EXPECT_FALSE(deletion_flag);
+    EXPECT_TRUE(list.Set(0, Value::CreateNullValue()));
+    EXPECT_TRUE(deletion_flag);
+  }
+}
+
+TEST(ValuesTest, ListRemoval) {
+  bool deletion_flag = true;
+  Value* removed_item = NULL;
+
+  {
+    ListValue list;
+    list.Append(new DeletionTestValue(&deletion_flag));
+    EXPECT_FALSE(deletion_flag);
+    EXPECT_EQ(1, list.GetSize());
+    EXPECT_FALSE(list.Remove(-1, &removed_item));
+    EXPECT_FALSE(list.Remove(1, &removed_item));
+    EXPECT_TRUE(list.Remove(0, &removed_item));
+    ASSERT_TRUE(removed_item);
+    EXPECT_EQ(0, list.GetSize());
+  }
+  EXPECT_FALSE(deletion_flag);
+  delete removed_item;
+  removed_item = NULL;
+  EXPECT_TRUE(deletion_flag);
+
+  {
+    ListValue list;
+    list.Append(new DeletionTestValue(&deletion_flag));
+    EXPECT_FALSE(deletion_flag);
+    EXPECT_TRUE(list.Remove(0, NULL));
+    EXPECT_TRUE(deletion_flag);
+    EXPECT_EQ(0, list.GetSize());
+  }
+}
+
+TEST(ValuesTest, DictionaryDeletion) {
+  std::wstring key = L"test";
+  bool deletion_flag = true;
+
+  {
+    DictionaryValue dict;
+    dict.Set(key, new DeletionTestValue(&deletion_flag));
+    EXPECT_FALSE(deletion_flag);
+  }
+  EXPECT_TRUE(deletion_flag);
+
+  {
+    DictionaryValue dict;
+    dict.Set(key, new DeletionTestValue(&deletion_flag));
+    EXPECT_FALSE(deletion_flag);
+    dict.Clear();
+    EXPECT_TRUE(deletion_flag);
+  }
+
+  {
+    DictionaryValue dict;
+    dict.Set(key, new DeletionTestValue(&deletion_flag));
+    EXPECT_FALSE(deletion_flag);
+    dict.Set(key, Value::CreateNullValue());
+    EXPECT_TRUE(deletion_flag);
+  }
+}
+
+TEST(ValuesTest, DictionaryRemoval) {
+  std::wstring key = L"test";
+  bool deletion_flag = true;
+  Value* removed_item = NULL;
+
+  {
+    DictionaryValue dict;
+    dict.Set(key, new DeletionTestValue(&deletion_flag));
+    EXPECT_FALSE(deletion_flag);
+    EXPECT_TRUE(dict.HasKey(key));
+    EXPECT_FALSE(dict.Remove(L"absent key", &removed_item));
+    EXPECT_TRUE(dict.Remove(key, &removed_item));
+    EXPECT_FALSE(dict.HasKey(key));
+    ASSERT_TRUE(removed_item);
+  }
+  EXPECT_FALSE(deletion_flag);
+  delete removed_item;
+  removed_item = NULL;
+  EXPECT_TRUE(deletion_flag);
+
+  {
+    DictionaryValue dict;
+    dict.Set(key, new DeletionTestValue(&deletion_flag));
+    EXPECT_FALSE(deletion_flag);
+    EXPECT_TRUE(dict.HasKey(key));
+    EXPECT_TRUE(dict.Remove(key, NULL));
+    EXPECT_TRUE(deletion_flag);
+    EXPECT_FALSE(dict.HasKey(key));
+  }
+}
+
+TEST(ValuesTest, DeepCopy) {
+  DictionaryValue original_dict;
+  Value* original_null = Value::CreateNullValue();
+  original_dict.Set(L"null", original_null);
+  Value* original_bool = Value::CreateBooleanValue(true);
+  original_dict.Set(L"bool", original_bool);
+  Value* original_int = Value::CreateIntegerValue(42);
+  original_dict.Set(L"int", original_int);
+  Value* original_real = Value::CreateRealValue(3.14);
+  original_dict.Set(L"real", original_real);
+  Value* original_string = Value::CreateStringValue(L"peek-a-boo");
+  original_dict.Set(L"string", original_string);
+
+  char* original_buffer = new char[42];
+  memset(original_buffer, '!', 42);
+  BinaryValue* original_binary = Value::CreateBinaryValue(original_buffer, 42);
+  original_dict.Set(L"binary", original_binary);
+
+  ListValue* original_list = new ListValue();
+  Value* original_list_element_0 = Value::CreateIntegerValue(0);
+  original_list->Append(original_list_element_0);
+  Value* original_list_element_1 = Value::CreateIntegerValue(1);
+  original_list->Append(original_list_element_1);
+  original_dict.Set(L"list", original_list);
+
+  DictionaryValue* copy_dict =
+    static_cast<DictionaryValue*>(original_dict.DeepCopy());
+  ASSERT_TRUE(copy_dict);
+  ASSERT_NE(copy_dict, &original_dict);
+
+  Value* copy_null = NULL;
+  ASSERT_TRUE(copy_dict->Get(L"null", &copy_null));
+  ASSERT_TRUE(copy_null);
+  ASSERT_NE(copy_null, original_null);
+  ASSERT_TRUE(copy_null->IsType(Value::TYPE_NULL));
+
+  Value* copy_bool = NULL;
+  ASSERT_TRUE(copy_dict->Get(L"bool", &copy_bool));
+  ASSERT_TRUE(copy_bool);
+  ASSERT_NE(copy_bool, original_bool);
+  ASSERT_TRUE(copy_bool->IsType(Value::TYPE_BOOLEAN));
+  bool copy_bool_value = false;
+  ASSERT_TRUE(copy_bool->GetAsBoolean(&copy_bool_value));
+  ASSERT_TRUE(copy_bool_value);
+
+  Value* copy_int = NULL;
+  ASSERT_TRUE(copy_dict->Get(L"int", &copy_int));
+  ASSERT_TRUE(copy_int);
+  ASSERT_NE(copy_int, original_int);
+  ASSERT_TRUE(copy_int->IsType(Value::TYPE_INTEGER));
+  int copy_int_value = 0;
+  ASSERT_TRUE(copy_int->GetAsInteger(&copy_int_value));
+  ASSERT_EQ(42, copy_int_value);
+
+  Value* copy_real = NULL;
+  ASSERT_TRUE(copy_dict->Get(L"real", &copy_real));
+  ASSERT_TRUE(copy_real);
+  ASSERT_NE(copy_real, original_real);
+  ASSERT_TRUE(copy_real->IsType(Value::TYPE_REAL));
+  double copy_real_value = 0;
+  ASSERT_TRUE(copy_real->GetAsReal(&copy_real_value));
+  ASSERT_EQ(3.14, copy_real_value);
+
+  Value* copy_string = NULL;
+  ASSERT_TRUE(copy_dict->Get(L"string", &copy_string));
+  ASSERT_TRUE(copy_string);
+  ASSERT_NE(copy_string, original_string);
+  ASSERT_TRUE(copy_string->IsType(Value::TYPE_STRING));
+  std::wstring copy_string_value;
+  ASSERT_TRUE(copy_string->GetAsString(&copy_string_value));
+  ASSERT_EQ(std::wstring(L"peek-a-boo"), copy_string_value);
+
+  Value* copy_binary = NULL;
+  ASSERT_TRUE(copy_dict->Get(L"binary", &copy_binary));
+  ASSERT_TRUE(copy_binary);
+  ASSERT_NE(copy_binary, original_binary);
+  ASSERT_TRUE(copy_binary->IsType(Value::TYPE_BINARY));
+  ASSERT_NE(original_binary->GetBuffer(),
+    static_cast<BinaryValue*>(copy_binary)->GetBuffer());
+  ASSERT_EQ(original_binary->GetSize(),
+    static_cast<BinaryValue*>(copy_binary)->GetSize());
+  ASSERT_EQ(0, memcmp(original_binary->GetBuffer(),
+               static_cast<BinaryValue*>(copy_binary)->GetBuffer(),
+               original_binary->GetSize()));
+
+  Value* copy_value = NULL;
+  ASSERT_TRUE(copy_dict->Get(L"list", &copy_value));
+  ASSERT_TRUE(copy_value);
+  ASSERT_NE(copy_value, original_list);
+  ASSERT_TRUE(copy_value->IsType(Value::TYPE_LIST));
+  ListValue* copy_list = static_cast<ListValue*>(copy_value);
+  ASSERT_EQ(2, copy_list->GetSize());
+
+  Value* copy_list_element_0;
+  ASSERT_TRUE(copy_list->Get(0, &copy_list_element_0));
+  ASSERT_TRUE(copy_list_element_0);
+  ASSERT_NE(copy_list_element_0, original_list_element_0);
+  int copy_list_element_0_value;
+  ASSERT_TRUE(copy_list_element_0->GetAsInteger(&copy_list_element_0_value));
+  ASSERT_EQ(0, copy_list_element_0_value);
+
+  Value* copy_list_element_1;
+  ASSERT_TRUE(copy_list->Get(1, &copy_list_element_1));
+  ASSERT_TRUE(copy_list_element_1);
+  ASSERT_NE(copy_list_element_1, original_list_element_1);
+  int copy_list_element_1_value;
+  ASSERT_TRUE(copy_list_element_1->GetAsInteger(&copy_list_element_1_value));
+  ASSERT_EQ(1, copy_list_element_1_value);
+
+  delete copy_dict;
+}
+
+TEST(ValuesTest, Equals) {
+  Value* null1 = Value::CreateNullValue();
+  Value* null2 = Value::CreateNullValue();
+  EXPECT_NE(null1, null2);
+  EXPECT_TRUE(null1->Equals(null2));
+
+  Value* boolean = Value::CreateBooleanValue(false);
+  EXPECT_FALSE(null1->Equals(boolean));
+  delete null1;
+  delete null2;
+  delete boolean;
+
+  DictionaryValue dv;
+  dv.SetBoolean(L"a", false);
+  dv.SetInteger(L"b", 2);
+  dv.SetReal(L"c", 2.5);
+  dv.SetString(L"d", L"string");
+  dv.Set(L"e", Value::CreateNullValue());
+
+  DictionaryValue* copy = static_cast<DictionaryValue*>(dv.DeepCopy());
+  EXPECT_TRUE(dv.Equals(copy));
+
+  ListValue* list = new ListValue;
+  list->Append(Value::CreateNullValue());
+  list->Append(new DictionaryValue);
+  dv.Set(L"f", list);
+
+  EXPECT_FALSE(dv.Equals(copy));
+  copy->Set(L"f", list->DeepCopy());
+  EXPECT_TRUE(dv.Equals(copy));
+
+  list->Append(Value::CreateBooleanValue(true));
+  EXPECT_FALSE(dv.Equals(copy));
+  delete copy;
+}