1 files changed, 143 insertions, 0 deletions
diff --git a/chromium/third_party/webrtc/base/buffer_unittest.cc b/chromium/third_party/webrtc/base/buffer_unittest.cc
new file mode 100644
index 00000000000..71b3f89e3f0
--- /dev/null
+++ b/chromium/third_party/webrtc/base/buffer_unittest.cc
@@ -0,0 +1,143 @@
+/*
+ *  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/buffer.h"
+#include "webrtc/base/gunit.h"
+
+namespace rtc {
+
+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 rtc