Prototype code that turns any/every flattenable into JSON

tests/FlattenableCustomFactory.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkFlattenable.h"
 #include "SkReadBuffer.h"
 #include "SkWriteBuffer.h"
@@ skipping 34 matching lines @@
 static sk_sp<SkFlattenable> custom_create_proc(SkReadBuffer& buffer) {
     uint32_t a = buffer.readUInt();
     uint32_t b = buffer.readUInt();
     uint32_t c = buffer.readUInt();
     uint32_t d = buffer.readUInt();
     return sk_sp<SkFlattenable>(new IntFlattenable(a + 1, b + 1, c + 1, d + 1));
 }
 
 DEF_TEST(UnflattenWithCustomFactory, r) {
     // Create and flatten the test flattenable
-    SkWriteBuffer writeBuffer;
+    SkBinaryWriteBuffer writeBuffer;
     SkAutoTUnref<SkFlattenable> flattenable1(new IntFlattenable(1, 2, 3, 4));
     writeBuffer.writeFlattenable(flattenable1);
     SkAutoTUnref<SkFlattenable> flattenable2(new IntFlattenable(2, 3, 4, 5));
     writeBuffer.writeFlattenable(flattenable2);
     SkAutoTUnref<SkFlattenable> flattenable3(new IntFlattenable(3, 4, 5, 6));
     writeBuffer.writeFlattenable(flattenable3);
 
     // Copy the contents of the write buffer into a read buffer
     sk_sp<SkData> data = SkData::MakeUninitialized(writeBuffer.bytesWritten());
     writeBuffer.writeToMemory(data->writable_data());
@@ skipping 20 matching lines @@
     REPORTER_ASSERT(r, 6 == out2->d());
 
     SkAutoTUnref<IntFlattenable> out3((IntFlattenable*) readBuffer.readFlattenable(
             SkFlattenable::kSkUnused_Type));
     REPORTER_ASSERT(r, out3);
     REPORTER_ASSERT(r, 4 == out3->a());
     REPORTER_ASSERT(r, 5 == out3->b());
     REPORTER_ASSERT(r, 6 == out3->c());
     REPORTER_ASSERT(r, 7 == out3->d());
 }