Adds a modified copy of talk/base to webrtc/base. It is the first step in
migrating talk/base to webrtc/base.
BUG=N/A
R=niklas.enbom@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/17479005
git-svn-id: http://webrtc.googlecode.com/svn/trunk@6129 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/base/bind_unittest.cc b/webrtc/base/bind_unittest.cc
new file mode 100644
index 0000000..ed8dd5c
--- /dev/null
+++ b/webrtc/base/bind_unittest.cc
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2004 The WebRTC Project Authors. All rights reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/base/bind.h"
+#include "webrtc/base/gunit.h"
+
+namespace rtc {
+
+namespace {
+
+struct MethodBindTester {
+ void NullaryVoid() { ++call_count; }
+ int NullaryInt() { ++call_count; return 1; }
+ int NullaryConst() const { ++call_count; return 2; }
+ void UnaryVoid(int dummy) { ++call_count; }
+ template <class T> T Identity(T value) { ++call_count; return value; }
+ int UnaryByRef(int& value) const { ++call_count; return ++value; } // NOLINT
+ int Multiply(int a, int b) const { ++call_count; return a * b; }
+ mutable int call_count;
+};
+
+int Return42() { return 42; }
+int Negate(int a) { return -a; }
+int Multiply(int a, int b) { return a * b; }
+
+} // namespace
+
+TEST(BindTest, BindToMethod) {
+ MethodBindTester object = {0};
+ EXPECT_EQ(0, object.call_count);
+ Bind(&MethodBindTester::NullaryVoid, &object)();
+ EXPECT_EQ(1, object.call_count);
+ EXPECT_EQ(1, Bind(&MethodBindTester::NullaryInt, &object)());
+ EXPECT_EQ(2, object.call_count);
+ EXPECT_EQ(2, Bind(&MethodBindTester::NullaryConst,
+ static_cast<const MethodBindTester*>(&object))());
+ EXPECT_EQ(3, object.call_count);
+ Bind(&MethodBindTester::UnaryVoid, &object, 5)();
+ EXPECT_EQ(4, object.call_count);
+ EXPECT_EQ(100, Bind(&MethodBindTester::Identity<int>, &object, 100)());
+ EXPECT_EQ(5, object.call_count);
+ const std::string string_value("test string");
+ EXPECT_EQ(string_value, Bind(&MethodBindTester::Identity<std::string>,
+ &object, string_value)());
+ EXPECT_EQ(6, object.call_count);
+ int value = 11;
+ EXPECT_EQ(12, Bind(&MethodBindTester::UnaryByRef, &object, value)());
+ EXPECT_EQ(12, value);
+ EXPECT_EQ(7, object.call_count);
+ EXPECT_EQ(56, Bind(&MethodBindTester::Multiply, &object, 7, 8)());
+ EXPECT_EQ(8, object.call_count);
+}
+
+TEST(BindTest, BindToFunction) {
+ EXPECT_EQ(42, Bind(&Return42)());
+ EXPECT_EQ(3, Bind(&Negate, -3)());
+ EXPECT_EQ(56, Bind(&Multiply, 8, 7)());
+}
+
+} // namespace rtc