First step towards splitting a full snapshot into a vm isolate snapshot and a

runtime/vm/unit_test.h

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_UNIT_TEST_H_
 #define VM_UNIT_TEST_H_
 
 #include "include/dart_native_api.h"
 
 #include "platform/globals.h"
@@ skipping 199 matching lines @@
 
 
 namespace dart {
 
 // Forward declarations.
 class Assembler;
 class CodeGenerator;
 class VirtualMemory;
 
 
-// snapshot_buffer points to a snapshot if we link in a snapshot otherwise
-// it is initialized to NULL.
 namespace bin {
-extern const uint8_t* snapshot_buffer;
+// vm_isolate_snapshot_buffer points to a snapshot for the vm isolate if we
+// link in a snapshot otherwise it is initialized to NULL.
+extern const uint8_t* vm_isolate_snapshot_buffer;
+
+// isolate_snapshot_buffer points to a snapshot for an isolate if we link in a
+// snapshot otherwise it is initialized to NULL.
+extern const uint8_t* isolate_snapshot_buffer;
 }
 
 
 class TestCaseBase {
  public:
   explicit TestCaseBase(const char* name);
   virtual ~TestCaseBase() { }
 
   const char* name() const { return name_; }
 
@@ skipping 28 matching lines @@
 
   static Dart_Handle LoadCoreTestScript(const char* script,
                                         Dart_NativeEntryResolver resolver);
   static Dart_Handle lib();
   static const char* url() { return USER_TEST_URI; }
   static Dart_Isolate CreateTestIsolateFromSnapshot(
       uint8_t* buffer, const char* name = NULL) {
     return CreateIsolate(buffer, name);
   }
   static Dart_Isolate CreateTestIsolate(const char* name = NULL) {
-    return CreateIsolate(bin::snapshot_buffer, name);
+    return CreateIsolate(bin::isolate_snapshot_buffer, name);
   }
   static Dart_Handle library_handler(Dart_LibraryTag tag,
                                      Dart_Handle library,
                                      Dart_Handle url);
   static char* BigintToHexValue(Dart_CObject* bigint);
 
   virtual void Run();
 
  private:
   static Dart_Isolate CreateIsolate(const uint8_t* buffer,
@@ skipping 136 matching lines @@
       }                                                                        \
     } else {                                                                   \
       dart::Expect(__FILE__, __LINE__).Fail("expected True, but was '%s'\n",   \
           #handle);                                                            \
     }                                                                          \
   } while (0)
 
 }  // namespace dart
 
 #endif  // VM_UNIT_TEST_H_