Add base to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@8 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 88 insertions, 0 deletions

diff --git a/base/observer_list_unittest.cc b/base/observer_list_unittest.cc
new file mode 100644
index 0000000..6bb1d63
--- /dev/null
+++ b/base/observer_list_unittest.cc
@@ -0,0 +1,88 @@
+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "base/observer_list.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+class ObserverListTest : public testing::Test {
+};
+
+class Foo {
+ public:
+  virtual void Observe(int x) = 0;
+};
+
+class Adder : public Foo {
+ public:
+  Adder(int scaler) : scaler_(scaler), total(0) {}
+  virtual void Observe(int x) {
+    total += x * scaler_;
+  }
+  int total;
+ private:
+  int scaler_;
+};
+
+class Disrupter : public Foo {
+ public:
+  Disrupter(ObserverList<Foo>& list, Foo* doomed) : list_(list), doomed_(doomed) {
+  }
+  virtual void Observe(int x) {
+    list_.RemoveObserver(doomed_);
+  }
+ private:
+  ObserverList<Foo>& list_;
+  Foo* doomed_;
+};
+
+}  // namespace
+
+TEST(ObserverListTest, BasicTest) {
+  ObserverList<Foo> observer_list;
+  Adder a(1), b(-1), c(1), d(-1);
+  Disrupter evil(observer_list, &c);
+
+  observer_list.AddObserver(&a);
+  observer_list.AddObserver(&b);
+
+  FOR_EACH_OBSERVER(Foo, observer_list, Observe(10));
+
+  observer_list.AddObserver(&evil);
+  observer_list.AddObserver(&c);
+  observer_list.AddObserver(&d);
+
+  FOR_EACH_OBSERVER(Foo, observer_list, Observe(10));
+
+  EXPECT_EQ(a.total, 20);
+  EXPECT_EQ(b.total, -20);
+  EXPECT_EQ(c.total, 0);
+  EXPECT_EQ(d.total, -10);
+}