[NaCl SDK] nacl_io: Add new fakes

native_client_sdk/src/tests/nacl_io_test/fake_var_array_buffer_interface.cc

Index: native_client_sdk/src/tests/nacl_io_test/fake_var_array_buffer_interface.cc
diff --git a/native_client_sdk/src/tests/nacl_io_test/fake_var_array_buffer_interface.cc b/native_client_sdk/src/tests/nacl_io_test/fake_var_array_buffer_interface.cc
new file mode 100644
index 0000000000000000000000000000000000000000..77f1ab6f13ed1c58b614324e219b99131bb14223
--- /dev/null
+++ b/native_client_sdk/src/tests/nacl_io_test/fake_var_array_buffer_interface.cc
@@ -0,0 +1,39 @@
+// Copyright (c) 2014 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 "fake_var_array_buffer_interface.h"
+
+#include "fake_var_manager.h"
+#include "gtest/gtest.h"

[binji, 2014/01/17 01:31:14]

used?

[Sam Clegg, 2014/01/17 22:40:11]

It is now :)

+
+FakeVarArrayBufferInterface::FakeVarArrayBufferInterface(
+    FakeVarManager* manager) : manager_(manager) {}
+
+struct PP_Var FakeVarArrayBufferInterface::Create(uint32_t size_in_bytes) {
+  FakeVarData* var_data = manager_->CreateVarData();
+  var_data->type = PP_VARTYPE_ARRAY_BUFFER;
+  var_data->buffer_value.length = size_in_bytes;
+  var_data->buffer_value.ptr = malloc(size_in_bytes);
+
+  struct PP_Var result = {PP_VARTYPE_ARRAY_BUFFER, 0, {PP_FALSE}};
+  result.value.as_id = var_data->id;
+  return result;
+}
+
+PP_Bool FakeVarArrayBufferInterface::ByteLength(struct PP_Var var,
+                                                uint32_t* byte_length) {
+  assert(var.type == PP_VARTYPE_ARRAY_BUFFER);
+  FakeVarData* data = manager_->GetVarData(var);

[binji, 2014/01/17 01:31:14]

NULL check? Here and below

[Sam Clegg, 2014/01/17 22:40:11]

Done.

+  *byte_length = data->buffer_value.length;
+  return PP_TRUE;
+}
+
+void* FakeVarArrayBufferInterface::Map(struct PP_Var var) {
+  assert(var.type == PP_VARTYPE_ARRAY_BUFFER);
+  return manager_->GetVarData(var)->buffer_value.ptr;
+}
+
+void FakeVarArrayBufferInterface::Unmap(struct PP_Var var) {
+  assert(var.type == PP_VARTYPE_ARRAY_BUFFER);
+}