Adds trunk/talk folder of revision 359 from libjingles google code to

trunk/talk


git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d

talk/base/buffer_unittest.cc

@@ -0,0 +1,160 @@
+/*
+ * libjingle
+ * Copyright 2004--2011, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *  2. 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.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 "talk/base/buffer.h"
+#include "talk/base/gunit.h"
+
+namespace talk_base {
+
+static const char kTestData[] = {
+  0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0xB, 0xC, 0xD, 0xE, 0xF
+};
+
+TEST(BufferTest, TestConstructDefault) {
+  Buffer buf;
+  EXPECT_EQ(0U, buf.length());
+  EXPECT_EQ(0U, buf.capacity());
+  EXPECT_EQ(Buffer(), buf);
+}
+
+TEST(BufferTest, TestConstructEmptyWithCapacity) {
+  Buffer buf(NULL, 0, 256U);
+  EXPECT_EQ(0U, buf.length());
+  EXPECT_EQ(256U, buf.capacity());
+  EXPECT_EQ(Buffer(), buf);
+}
+
+TEST(BufferTest, TestConstructData) {
+  Buffer buf(kTestData, sizeof(kTestData));
+  EXPECT_EQ(sizeof(kTestData), buf.length());
+  EXPECT_EQ(sizeof(kTestData), buf.capacity());
+  EXPECT_EQ(0, memcmp(buf.data(), kTestData, sizeof(kTestData)));
+  EXPECT_EQ(Buffer(kTestData, sizeof(kTestData)), buf);
+}
+
+TEST(BufferTest, TestConstructDataWithCapacity) {
+  Buffer buf(kTestData, sizeof(kTestData), 256U);
+  EXPECT_EQ(sizeof(kTestData), buf.length());
+  EXPECT_EQ(256U, buf.capacity());
+  EXPECT_EQ(0, memcmp(buf.data(), kTestData, sizeof(kTestData)));
+  EXPECT_EQ(Buffer(kTestData, sizeof(kTestData)), buf);
+}
+
+TEST(BufferTest, TestConstructCopy) {
+  Buffer buf1(kTestData, sizeof(kTestData), 256), buf2(buf1);
+  EXPECT_EQ(sizeof(kTestData), buf2.length());
+  EXPECT_EQ(sizeof(kTestData), buf2.capacity());  // capacity isn't copied
+  EXPECT_EQ(0, memcmp(buf2.data(), kTestData, sizeof(kTestData)));
+  EXPECT_EQ(buf1, buf2);
+}
+
+TEST(BufferTest, TestAssign) {
+  Buffer buf1, buf2(kTestData, sizeof(kTestData), 256);
+  EXPECT_NE(buf1, buf2);
+  buf1 = buf2;
+  EXPECT_EQ(sizeof(kTestData), buf1.length());
+  EXPECT_EQ(sizeof(kTestData), buf1.capacity());  // capacity isn't copied
+  EXPECT_EQ(0, memcmp(buf1.data(), kTestData, sizeof(kTestData)));
+  EXPECT_EQ(buf1, buf2);
+}
+
+TEST(BufferTest, TestSetData) {
+  Buffer buf;
+  buf.SetData(kTestData, sizeof(kTestData));
+  EXPECT_EQ(sizeof(kTestData), buf.length());
+  EXPECT_EQ(sizeof(kTestData), buf.capacity());
+  EXPECT_EQ(0, memcmp(buf.data(), kTestData, sizeof(kTestData)));
+}
+
+TEST(BufferTest, TestAppendData) {
+  Buffer buf(kTestData, sizeof(kTestData));
+  buf.AppendData(kTestData, sizeof(kTestData));
+  EXPECT_EQ(2 * sizeof(kTestData), buf.length());
+  EXPECT_EQ(2 * sizeof(kTestData), buf.capacity());
+  EXPECT_EQ(0, memcmp(buf.data(), kTestData, sizeof(kTestData)));
+  EXPECT_EQ(0, memcmp(buf.data() + sizeof(kTestData),
+                      kTestData, sizeof(kTestData)));
+}
+
+TEST(BufferTest, TestSetLengthSmaller) {
+  Buffer buf;
+  buf.SetData(kTestData, sizeof(kTestData));
+  buf.SetLength(sizeof(kTestData) / 2);
+  EXPECT_EQ(sizeof(kTestData) / 2, buf.length());
+  EXPECT_EQ(sizeof(kTestData), buf.capacity());
+  EXPECT_EQ(0, memcmp(buf.data(), kTestData, sizeof(kTestData) / 2));
+}
+
+TEST(BufferTest, TestSetLengthLarger) {
+  Buffer buf;
+  buf.SetData(kTestData, sizeof(kTestData));
+  buf.SetLength(sizeof(kTestData) * 2);
+  EXPECT_EQ(sizeof(kTestData) * 2, buf.length());
+  EXPECT_EQ(sizeof(kTestData) * 2, buf.capacity());
+  EXPECT_EQ(0, memcmp(buf.data(), kTestData, sizeof(kTestData)));
+}
+
+TEST(BufferTest, TestSetCapacitySmaller) {
+  Buffer buf;
+  buf.SetData(kTestData, sizeof(kTestData));
+  buf.SetCapacity(sizeof(kTestData) / 2);  // should be ignored
+  EXPECT_EQ(sizeof(kTestData), buf.length());
+  EXPECT_EQ(sizeof(kTestData), buf.capacity());
+  EXPECT_EQ(0, memcmp(buf.data(), kTestData, sizeof(kTestData)));
+}
+
+TEST(BufferTest, TestSetCapacityLarger) {
+  Buffer buf(kTestData, sizeof(kTestData));
+  buf.SetCapacity(sizeof(kTestData) * 2);
+  EXPECT_EQ(sizeof(kTestData), buf.length());
+  EXPECT_EQ(sizeof(kTestData) * 2, buf.capacity());
+  EXPECT_EQ(0, memcmp(buf.data(), kTestData, sizeof(kTestData)));
+}
+
+TEST(BufferTest, TestSetCapacityThenSetLength) {
+  Buffer buf(kTestData, sizeof(kTestData));
+  buf.SetCapacity(sizeof(kTestData) * 4);
+  memcpy(buf.data() + sizeof(kTestData), kTestData, sizeof(kTestData));
+  buf.SetLength(sizeof(kTestData) * 2);
+  EXPECT_EQ(sizeof(kTestData) * 2, buf.length());
+  EXPECT_EQ(sizeof(kTestData) * 4, buf.capacity());
+  EXPECT_EQ(0, memcmp(buf.data(), kTestData, sizeof(kTestData)));
+  EXPECT_EQ(0, memcmp(buf.data() + sizeof(kTestData),
+                      kTestData, sizeof(kTestData)));
+}
+
+TEST(BufferTest, TestTransfer) {
+  Buffer buf1(kTestData, sizeof(kTestData), 256U), buf2;
+  buf1.TransferTo(&buf2);
+  EXPECT_EQ(0U, buf1.length());
+  EXPECT_EQ(0U, buf1.capacity());
+  EXPECT_EQ(sizeof(kTestData), buf2.length());
+  EXPECT_EQ(256U, buf2.capacity());  // capacity does transfer
+  EXPECT_EQ(0, memcmp(buf2.data(), kTestData, sizeof(kTestData)));
+}
+
+}  // namespace talk_base