Separates ipc code from common (http://crbug.com/16829)

chrome/common/common_param_traits_unittest.cc

+// Copyright (c) 2006-2008 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 <string.h>
+
+#include "base/scoped_ptr.h"
+#include "base/values.h"
+#include "chrome/common/common_param_traits.h"
+#include "googleurl/src/gurl.h"
+#include "ipc/ipc_message.h"
+#include "ipc/ipc_message_utils.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+
+// Tests that serialize/deserialize correctly understand each other
+TEST(IPCMessageTest, Serialize) {
+  const char* serialize_cases[] = {
+    "http://www.google.com/",
+    "http://user:pass@host.com:888/foo;bar?baz#nop",
+    "#inva://idurl/",
+  };
+
+  for (size_t i = 0; i < arraysize(serialize_cases); i++) {
+    GURL input(serialize_cases[i]);
+    IPC::Message msg(1, 2, IPC::Message::PRIORITY_NORMAL);
+    IPC::ParamTraits<GURL>::Write(&msg, input);
+
+    GURL output;
+    void* iter = NULL;
+    EXPECT_TRUE(IPC::ParamTraits<GURL>::Read(&msg, &iter, &output));
+
+    // We want to test each component individually to make sure its range was
+    // correctly serialized and deserialized, not just the spec.
+    EXPECT_EQ(input.possibly_invalid_spec(), output.possibly_invalid_spec());
+    EXPECT_EQ(input.is_valid(), output.is_valid());
+    EXPECT_EQ(input.scheme(), output.scheme());
+    EXPECT_EQ(input.username(), output.username());
+    EXPECT_EQ(input.password(), output.password());
+    EXPECT_EQ(input.host(), output.host());
+    EXPECT_EQ(input.port(), output.port());
+    EXPECT_EQ(input.path(), output.path());
+    EXPECT_EQ(input.query(), output.query());
+    EXPECT_EQ(input.ref(), output.ref());
+  }
+
+  // Also test the corrupt case.
+  IPC::Message msg(1, 2, IPC::Message::PRIORITY_NORMAL);
+  msg.WriteInt(99);
+  GURL output;
+  void* iter = NULL;
+  EXPECT_FALSE(IPC::ParamTraits<GURL>::Read(&msg, &iter, &output));
+}
+
+// Tests bitmap serialization.
+TEST(IPCMessageTest, Bitmap) {
+  SkBitmap bitmap;
+
+  bitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 5);
+  bitmap.allocPixels();
+  memset(bitmap.getPixels(), 'A', bitmap.getSize());
+
+  IPC::Message msg(1, 2, IPC::Message::PRIORITY_NORMAL);
+  IPC::ParamTraits<SkBitmap>::Write(&msg, bitmap);
+
+  SkBitmap output;
+  void* iter = NULL;
+  EXPECT_TRUE(IPC::ParamTraits<SkBitmap>::Read(&msg, &iter, &output));
+
+  EXPECT_EQ(bitmap.config(), output.config());
+  EXPECT_EQ(bitmap.width(), output.width());
+  EXPECT_EQ(bitmap.height(), output.height());
+  EXPECT_EQ(bitmap.rowBytes(), output.rowBytes());
+  EXPECT_EQ(bitmap.getSize(), output.getSize());
+  EXPECT_EQ(memcmp(bitmap.getPixels(), output.getPixels(), bitmap.getSize()),
+            0);
+
+  // Also test the corrupt case.
+  IPC::Message bad_msg(1, 2, IPC::Message::PRIORITY_NORMAL);
+  // Copy the first message block over to |bad_msg|.
+  const char* fixed_data;
+  int fixed_data_size;
+  iter = NULL;
+  msg.ReadData(&iter, &fixed_data, &fixed_data_size);
+  bad_msg.WriteData(fixed_data, fixed_data_size);
+  // Add some bogus pixel data.
+  const size_t bogus_pixels_size = bitmap.getSize() * 2;
+  scoped_array<char> bogus_pixels(new char[bogus_pixels_size]);
+  memset(bogus_pixels.get(), 'B', bogus_pixels_size);
+  bad_msg.WriteData(bogus_pixels.get(), bogus_pixels_size);
+  // Make sure we don't read out the bitmap!
+  SkBitmap bad_output;
+  iter = NULL;
+  EXPECT_FALSE(IPC::ParamTraits<SkBitmap>::Read(&bad_msg, &iter, &bad_output));
+}
+
+TEST(IPCMessageTest, ListValue) {
+  ListValue input;
+  input.Set(0, Value::CreateRealValue(42.42));
+  input.Set(1, Value::CreateStringValue("forty"));
+  input.Set(2, Value::CreateNullValue());
+
+  IPC::Message msg(1, 2, IPC::Message::PRIORITY_NORMAL);
+  IPC::WriteParam(&msg, input);
+
+  ListValue output;
+  void* iter = NULL;
+  EXPECT_TRUE(IPC::ReadParam(&msg, &iter, &output));
+
+  EXPECT_TRUE(input.Equals(&output));
+
+  // Also test the corrupt case.
+  IPC::Message bad_msg(1, 2, IPC::Message::PRIORITY_NORMAL);
+  bad_msg.WriteInt(99);
+  iter = NULL;
+  EXPECT_FALSE(IPC::ReadParam(&bad_msg, &iter, &output));
+}
+
+TEST(IPCMessageTest, DictionaryValue) {
+  DictionaryValue input;
+  input.Set(L"null", Value::CreateNullValue());
+  input.Set(L"bool", Value::CreateBooleanValue(true));
+  input.Set(L"int", Value::CreateIntegerValue(42));
+
+  scoped_ptr<DictionaryValue> subdict(new DictionaryValue());
+  subdict->Set(L"str", Value::CreateStringValue("forty two"));
+  subdict->Set(L"bool", Value::CreateBooleanValue(false));
+
+  scoped_ptr<ListValue> sublist(new ListValue());
+  sublist->Set(0, Value::CreateRealValue(42.42));
+  sublist->Set(1, Value::CreateStringValue("forty"));
+  sublist->Set(2, Value::CreateStringValue("two"));
+  subdict->Set(L"list", sublist.release());
+
+  input.Set(L"dict", subdict.release());
+
+  IPC::Message msg(1, 2, IPC::Message::PRIORITY_NORMAL);
+  IPC::WriteParam(&msg, input);
+
+  DictionaryValue output;
+  void* iter = NULL;
+  EXPECT_TRUE(IPC::ReadParam(&msg, &iter, &output));
+
+  EXPECT_TRUE(input.Equals(&output));
+
+  // Also test the corrupt case.
+  IPC::Message bad_msg(1, 2, IPC::Message::PRIORITY_NORMAL);
+  bad_msg.WriteInt(99);
+  iter = NULL;
+  EXPECT_FALSE(IPC::ReadParam(&bad_msg, &iter, &output));
+}