Converts usage of SetProp/GetProp to a map. Even after making sure we

app/view_prop_unittest.cc

+// Copyright (c) 2010 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 "testing/gtest/include/gtest/gtest.h"
+
+#include "app/view_prop.h"
+#include "base/scoped_ptr.h"
+
+typedef testing::Test ViewPropTest;
+
+static const char* kKey1 = "key_1";
+static const char* kKey2 = "key_2";
+
+using app::ViewProp;
+
+// Test a handful of viewprop assertions.
+TEST_F(ViewPropTest, Basic) {
+  gfx::NativeView nv1 = reinterpret_cast<gfx::NativeView>(1);
+  gfx::NativeView nv2 = reinterpret_cast<gfx::NativeView>(2);
+
+  void* data1 = reinterpret_cast<void*>(11);
+  void* data2 = reinterpret_cast<void*>(12);
+
+  // Initial value for a new view/key pair should be NULL.
+  EXPECT_EQ(NULL, ViewProp::GetValue(nv1, kKey1));
+
+  {
+    // Register a value for a view/key pair.
+    ViewProp prop(nv1, kKey1, data1);

[cpu_(ooo_6.6-7.5), 2010/11/18 22:49:15]

so being refcounted does not cause a problem when instanciated in the stack?

[sky, 2010/11/18 23:16:31]

ViewProp isn't ref-counted. ViewProp::Data is though.

+    EXPECT_EQ(data1, ViewProp::GetValue(nv1, kKey1));
+  }
+
+  // The property fell out of scope, so the value should now be NULL.
+  EXPECT_EQ(NULL, ViewProp::GetValue(nv1, kKey1));
+
+  {
+    // Register a value for a view/key pair.
+    scoped_ptr<ViewProp> v1(new ViewProp(nv1, kKey1, data1));
+    EXPECT_EQ(data1, ViewProp::GetValue(nv1, kKey1));
+
+    // Register a value for the same view/key pair.
+    scoped_ptr<ViewProp> v2(new ViewProp(nv1, kKey1, data2));
+    // The new value should take over.
+    EXPECT_EQ(data2, ViewProp::GetValue(nv1, kKey1));
+
+    // Null out the first ViewProp, which should NULL out the value.
+    v1.reset(NULL);
+    EXPECT_EQ(NULL, ViewProp::GetValue(nv1, kKey1));
+  }
+
+  // The property fell out of scope, so the value should now be NULL.
+  EXPECT_EQ(NULL, ViewProp::GetValue(nv1, kKey1));
+
+  {
+    // Register a value for a view/key pair.
+    scoped_ptr<ViewProp> v1(new ViewProp(nv1, kKey1, data1));
+    scoped_ptr<ViewProp> v2(new ViewProp(nv2, kKey2, data2));
+    EXPECT_EQ(data1, ViewProp::GetValue(nv1, kKey1));
+    EXPECT_EQ(data2, ViewProp::GetValue(nv2, kKey2));
+
+    v1.reset(NULL);
+    EXPECT_EQ(NULL, ViewProp::GetValue(nv1, kKey1));
+    EXPECT_EQ(data2, ViewProp::GetValue(nv2, kKey2));
+
+    v2.reset(NULL);
+    EXPECT_EQ(NULL, ViewProp::GetValue(nv1, kKey1));
+    EXPECT_EQ(NULL, ViewProp::GetValue(nv2, kKey2));
+  }
+}