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
diff --git a/talk/base/bytebuffer_unittest.cc b/talk/base/bytebuffer_unittest.cc
new file mode 100644
index 0000000..2c73453
--- /dev/null
+++ b/talk/base/bytebuffer_unittest.cc
@@ -0,0 +1,228 @@
+/*
+ * 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/bytebuffer.h"
+#include "talk/base/byteorder.h"
+#include "talk/base/common.h"
+#include "talk/base/gunit.h"
+
+namespace talk_base {
+
+TEST(ByteBufferTest, TestByteOrder) {
+  uint16 n16 = 1;
+  uint32 n32 = 1;
+  uint64 n64 = 1;
+
+  EXPECT_EQ(n16, NetworkToHost16(HostToNetwork16(n16)));
+  EXPECT_EQ(n32, NetworkToHost32(HostToNetwork32(n32)));
+  EXPECT_EQ(n64, NetworkToHost64(HostToNetwork64(n64)));
+
+  if (IsHostBigEndian()) {
+    // The host is the network (big) endian.
+    EXPECT_EQ(n16, HostToNetwork16(n16));
+    EXPECT_EQ(n32, HostToNetwork32(n32));
+    EXPECT_EQ(n64, HostToNetwork64(n64));
+
+    // GetBE converts big endian to little endian here.
+    EXPECT_EQ(n16 >> 8, GetBE16(&n16));
+    EXPECT_EQ(n32 >> 24, GetBE32(&n32));
+    EXPECT_EQ(n64 >> 56, GetBE64(&n64));
+  } else {
+    // The host is little endian.
+    EXPECT_NE(n16, HostToNetwork16(n16));
+    EXPECT_NE(n32, HostToNetwork32(n32));
+    EXPECT_NE(n64, HostToNetwork64(n64));
+
+    // GetBE converts little endian to big endian here.
+    EXPECT_EQ(GetBE16(&n16), HostToNetwork16(n16));
+    EXPECT_EQ(GetBE32(&n32), HostToNetwork32(n32));
+    EXPECT_EQ(GetBE64(&n64), HostToNetwork64(n64));
+
+    // GetBE converts little endian to big endian here.
+    EXPECT_EQ(n16 << 8, GetBE16(&n16));
+    EXPECT_EQ(n32 << 24, GetBE32(&n32));
+    EXPECT_EQ(n64 << 56, GetBE64(&n64));
+  }
+}
+
+TEST(ByteBufferTest, TestBufferLength) {
+  ByteBuffer buffer;
+  size_t size = 0;
+  EXPECT_EQ(size, buffer.Length());
+
+  buffer.WriteUInt8(1);
+  ++size;
+  EXPECT_EQ(size, buffer.Length());
+
+  buffer.WriteUInt16(1);
+  size += 2;
+  EXPECT_EQ(size, buffer.Length());
+
+  buffer.WriteUInt24(1);
+  size += 3;
+  EXPECT_EQ(size, buffer.Length());
+
+  buffer.WriteUInt32(1);
+  size += 4;
+  EXPECT_EQ(size, buffer.Length());
+
+  buffer.WriteUInt64(1);
+  size += 8;
+  EXPECT_EQ(size, buffer.Length());
+
+  EXPECT_TRUE(buffer.Consume(0));
+  EXPECT_EQ(size, buffer.Length());
+
+  EXPECT_TRUE(buffer.Consume(4));
+  size -= 4;
+  EXPECT_EQ(size, buffer.Length());
+}
+
+TEST(ByteBufferTest, TestGetSetReadPosition) {
+  ByteBuffer buffer("ABCDEF", 6);
+  EXPECT_EQ(6U, buffer.Length());
+  ByteBuffer::ReadPosition pos(buffer.GetReadPosition());
+  EXPECT_TRUE(buffer.SetReadPosition(pos));
+  EXPECT_EQ(6U, buffer.Length());
+  std::string read;
+  EXPECT_TRUE(buffer.ReadString(&read, 3));
+  EXPECT_EQ("ABC", read);
+  EXPECT_EQ(3U, buffer.Length());
+  EXPECT_TRUE(buffer.SetReadPosition(pos));
+  EXPECT_EQ(6U, buffer.Length());
+  read.clear();
+  EXPECT_TRUE(buffer.ReadString(&read, 3));
+  EXPECT_EQ("ABC", read);
+  EXPECT_EQ(3U, buffer.Length());
+  // For a resize by writing Capacity() number of bytes.
+  size_t capacity = buffer.Capacity();
+  buffer.ReserveWriteBuffer(buffer.Capacity());
+  EXPECT_EQ(capacity + 3U, buffer.Length());
+  EXPECT_FALSE(buffer.SetReadPosition(pos));
+  read.clear();
+  EXPECT_TRUE(buffer.ReadString(&read, 3));
+  EXPECT_EQ("DEF", read);
+}
+
+TEST(ByteBufferTest, TestReadWriteBuffer) {
+  ByteBuffer::ByteOrder orders[2] = { ByteBuffer::ORDER_HOST,
+                                      ByteBuffer::ORDER_NETWORK };
+  for (size_t i = 0; i < ARRAY_SIZE(orders); i++) {
+    ByteBuffer buffer(orders[i]);
+    EXPECT_EQ(orders[i], buffer.Order());
+    uint8 ru8;
+    EXPECT_FALSE(buffer.ReadUInt8(&ru8));
+
+    // Write and read uint8.
+    uint8 wu8 = 1;
+    buffer.WriteUInt8(wu8);
+    EXPECT_TRUE(buffer.ReadUInt8(&ru8));
+    EXPECT_EQ(wu8, ru8);
+    EXPECT_EQ(0U, buffer.Length());
+
+    // Write and read uint16.
+    uint16 wu16 = (1 << 8) + 1;
+    buffer.WriteUInt16(wu16);
+    uint16 ru16;
+    EXPECT_TRUE(buffer.ReadUInt16(&ru16));
+    EXPECT_EQ(wu16, ru16);
+    EXPECT_EQ(0U, buffer.Length());
+
+    // Write and read uint24.
+    uint32 wu24 = (3 << 16) + (2 << 8) + 1;
+    buffer.WriteUInt24(wu24);
+    uint32 ru24;
+    EXPECT_TRUE(buffer.ReadUInt24(&ru24));
+    EXPECT_EQ(wu24, ru24);
+    EXPECT_EQ(0U, buffer.Length());
+
+    // Write and read uint32.
+    uint32 wu32 = (4 << 24) + (3 << 16) + (2 << 8) + 1;
+    buffer.WriteUInt32(wu32);
+    uint32 ru32;
+    EXPECT_TRUE(buffer.ReadUInt32(&ru32));
+    EXPECT_EQ(wu32, ru32);
+    EXPECT_EQ(0U, buffer.Length());
+
+    // Write and read uint64.
+    uint32 another32 = (8 << 24) + (7 << 16) + (6 << 8) + 5;
+    uint64 wu64 = (static_cast<uint64>(another32) << 32) + wu32;
+    buffer.WriteUInt64(wu64);
+    uint64 ru64;
+    EXPECT_TRUE(buffer.ReadUInt64(&ru64));
+    EXPECT_EQ(wu64, ru64);
+    EXPECT_EQ(0U, buffer.Length());
+
+    // Write and read string.
+    std::string write_string("hello");
+    buffer.WriteString(write_string);
+    std::string read_string;
+    EXPECT_TRUE(buffer.ReadString(&read_string, write_string.size()));
+    EXPECT_EQ(write_string, read_string);
+    EXPECT_EQ(0U, buffer.Length());
+
+    // Write and read bytes
+    char write_bytes[] = "foo";
+    buffer.WriteBytes(write_bytes, 3);
+    char read_bytes[3];
+    EXPECT_TRUE(buffer.ReadBytes(read_bytes, 3));
+    for (int i = 0; i < 3; ++i) {
+      EXPECT_EQ(write_bytes[i], read_bytes[i]);
+    }
+    EXPECT_EQ(0U, buffer.Length());
+
+    // Write and read reserved buffer space
+    char* write_dst = buffer.ReserveWriteBuffer(3);
+    memcpy(write_dst, write_bytes, 3);
+    memset(read_bytes, 0, 3);
+    EXPECT_TRUE(buffer.ReadBytes(read_bytes, 3));
+    for (int i = 0; i < 3; ++i) {
+      EXPECT_EQ(write_bytes[i], read_bytes[i]);
+    }
+    EXPECT_EQ(0U, buffer.Length());
+
+    // Write and read in order.
+    buffer.WriteUInt8(wu8);
+    buffer.WriteUInt16(wu16);
+    buffer.WriteUInt24(wu24);
+    buffer.WriteUInt32(wu32);
+    buffer.WriteUInt64(wu64);
+    EXPECT_TRUE(buffer.ReadUInt8(&ru8));
+    EXPECT_EQ(wu8, ru8);
+    EXPECT_TRUE(buffer.ReadUInt16(&ru16));
+    EXPECT_EQ(wu16, ru16);
+    EXPECT_TRUE(buffer.ReadUInt24(&ru24));
+    EXPECT_EQ(wu24, ru24);
+    EXPECT_TRUE(buffer.ReadUInt32(&ru32));
+    EXPECT_EQ(wu32, ru32);
+    EXPECT_TRUE(buffer.ReadUInt64(&ru64));
+    EXPECT_EQ(wu64, ru64);
+    EXPECT_EQ(0U, buffer.Length());
+  }
+}
+
+}  // namespace talk_base