Transitioning to new IC structure: change IC data to include function name; pass IC data instead ...

runtime/vm/ic_data_test.cc

Index: runtime/vm/ic_data_test.cc
===================================================================
--- runtime/vm/ic_data_test.cc	(revision 0)
+++ runtime/vm/ic_data_test.cc	(revision 0)
@@ -0,0 +1,75 @@
+// 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.
+
+#include "vm/ic_data.h"
+#include "vm/code_index_table.h"
+#include "vm/unit_test.h"
+
+namespace dart {
+
+static RawFunction* GetDummyTarget(const char* name) {
+  Assembler assembler;
+  assembler.ret();
+  const Code& code =
+      Code::Handle(Code::FinalizeCode(name, &assembler));
+  const String& function_name =
+      String::ZoneHandle(String::NewSymbol(name));
+  const Function& function = Function::Handle(Function::New(
+      function_name, RawFunction::kFunction, true, false, 0));
+  function.SetCode(code);
+  CodeIndexTable* code_index_table = Isolate::Current()->code_index_table();
+  ASSERT(code_index_table != NULL);
+  code_index_table->AddFunction(function);
+  return function.raw();
+}
+
+
+static bool SameClassArrays(const GrowableArray<const Class*>& a,
+                            const GrowableArray<const Class*>& b) {
+  if (a.length() != b.length()) {
+    return false;
+  }
+  for (int i = 0; i < a.length(); i++) {
+    if (a[i]->raw() != b[i]->raw()) {
+      return false;
+    }
+  }
+  return true;
+}
+
+
+TEST_CASE(ICDataTest) {
+  const String& name = String::Handle(String::New("Luxemburgerli"));
+  ICData ic_data(name, 1);
+  EXPECT_EQ(1, ic_data.NumberOfArgumentsChecked());
+  EXPECT_EQ(0, ic_data.NumberOfChecks());
+  EXPECT_EQ(name.raw(), ic_data.FunctionName());
+  GrowableArray<const Class*> classes;
+  const Function& target = Function::Handle(GetDummyTarget(name.ToCString()));
+  ObjectStore* object_store = Isolate::Current()->object_store();
+  const Class& smi_class = Class::ZoneHandle(object_store->smi_class());
+  classes.Add(&smi_class);
+  ic_data.AddCheck(classes, target);
+
+  EXPECT_EQ(1, ic_data.NumberOfArgumentsChecked());
+  EXPECT_EQ(1, ic_data.NumberOfChecks());
+  EXPECT_EQ(name.raw(), ic_data.FunctionName());
+
+  GrowableArray<const Class*> test_classes;
+  Function& test_target = Function::Handle();
+  ic_data.GetCheckAt(0, &test_classes, &test_target);
+
+  EXPECT(SameClassArrays(classes, test_classes));
+  EXPECT_EQ(target.raw(), test_target.raw());
+
+  const Function& new_target =
+       Function::Handle(GetDummyTarget(name.ToCString()));
+  ic_data.SetCheckAt(0, classes, new_target);
+  ic_data.GetCheckAt(0, &test_classes, &test_target);
+
+  EXPECT(SameClassArrays(classes, test_classes));
+  EXPECT_EQ(new_target.raw(), test_target.raw());
+}
+
+}  // namespace dart