Adds more DBC assembler tests.

runtime/vm/unit_test.cc

 // Copyright (c) 2012, 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.
 
 #include "vm/unit_test.h"
 
 #include <stdio.h>
 
 #include "bin/builtin.h"
 #include "bin/dartutils.h"
@@ skipping 192 matching lines @@
 
 
 char* TestCase::BigintToHexValue(Dart_CObject* bigint) {
   return bin::CObject::BigintToHexValue(bigint);
 }
 
 
 void AssemblerTest::Assemble() {
   const String& function_name = String::ZoneHandle(
       Symbols::New(Thread::Current(), name_));
+
+  // We make a dummy script so that exception objects can be composed for
+  // assembler instructions that do runtime calls, in particular on DBC.
+  const char* kDummyScript = "assembler_test_dummy_function() {}";
+  const Script& script = Script::Handle(Script::New(
+      function_name,
+      String::Handle(String::New(kDummyScript)),
+      RawScript::kSourceTag));
+  script.Tokenize(String::Handle());
+
   const Class& cls = Class::ZoneHandle(
       Class::New(function_name,
-                 Script::Handle(),
+                 script,
                  TokenPosition::kMinSource));
   const Library& lib = Library::ZoneHandle(Library::New(function_name));
   cls.set_library(lib);
   Function& function = Function::ZoneHandle(
       Function::New(function_name, RawFunction::kRegularFunction,
                     true, false, false, false, false, cls,
                     TokenPosition::kMinSource));
   code_ = Code::FinalizeCode(function, assembler_);
+  code_.set_owner(function);
+  code_.set_exception_handlers(Object::empty_exception_handlers());
   if (FLAG_disassemble) {
     OS::Print("Code for test '%s' {\n", name_);
     const Instructions& instructions =
         Instructions::Handle(code_.instructions());
     uword start = instructions.EntryPoint();
     Disassembler::Disassemble(start, start + assembler_->CodeSize());
     OS::Print("}\n");
   }
 }
 
@@ skipping 78 matching lines @@
   }
   // Copy the remainder of in to out.
   while (*in != '\0') {
     *out++ = *in++;
   }
   *out = '\0';
 }
 
 
 }  // namespace dart