Remove //net (except for Android test stuff) and sdch

net/quic/iovector_test.cc

-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "net/quic/iovector.h"
-
-#include <string.h>
-
-#include "base/logging.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-using std::string;
-
-namespace net {
-namespace test {
-namespace {
-
-const char* const test_data[] = {
-  "test string 1, a medium size one.",
-  "test string2",
-  "test string      3, a looooooooooooong loooooooooooooooong string"
-};
-
-TEST(IOVectorTest, CopyConstructor) {
-  IOVector iov1;
-  for (size_t i = 0; i < arraysize(test_data); ++i) {
-    iov1.Append(const_cast<char*>(test_data[i]), strlen(test_data[i]));
-  }
-  IOVector iov2 = iov1;
-  EXPECT_EQ(iov2.Size(), iov1.Size());
-  for (size_t i = 0; i < iov2.Size(); ++i) {
-    EXPECT_TRUE(iov2.iovec()[i].iov_base == iov1.iovec()[i].iov_base);
-    EXPECT_EQ(iov2.iovec()[i].iov_len, iov1.iovec()[i].iov_len);
-  }
-  EXPECT_EQ(iov2.TotalBufferSize(), iov1.TotalBufferSize());
-}
-
-TEST(IOVectorTest, AssignmentOperator) {
-  IOVector iov1;
-  for (size_t i = 0; i < arraysize(test_data); ++i) {
-    iov1.Append(const_cast<char*>(test_data[i]), strlen(test_data[i]));
-  }
-  IOVector iov2;
-  iov2.Append(const_cast<char*>("ephemeral string"), 16);
-  // The following assignment results in a shallow copy;
-  // both IOVectors point to the same underlying data.
-  iov2 = iov1;
-  EXPECT_EQ(iov2.Size(), iov1.Size());
-  for (size_t i = 0; i < iov2.Size(); ++i) {
-    EXPECT_TRUE(iov2.iovec()[i].iov_base == iov1.iovec()[i].iov_base);
-    EXPECT_EQ(iov2.iovec()[i].iov_len, iov1.iovec()[i].iov_len);
-  }
-  EXPECT_EQ(iov2.TotalBufferSize(), iov1.TotalBufferSize());
-}
-
-TEST(IOVectorTest, Append) {
-  IOVector iov;
-  int length = 0;
-  const struct iovec* iov2 = iov.iovec();
-
-  ASSERT_EQ(0u, iov.Size());
-  ASSERT_TRUE(iov2 == nullptr);
-  for (size_t i = 0; i < arraysize(test_data); ++i) {
-    const int str_len = strlen(test_data[i]);
-    const int append_len = str_len / 2;
-    // This should append a new block
-    iov.Append(const_cast<char*>(test_data[i]), append_len);
-    length += append_len;
-    ASSERT_EQ(i + 1, static_cast<size_t>(iov.Size()));
-    ASSERT_TRUE(iov.LastBlockEnd() == test_data[i] + append_len);
-    // This should just lengthen the existing block.
-    iov.Append(const_cast<char*>(test_data[i] + append_len),
-               str_len - append_len);
-    length += (str_len - append_len);
-    ASSERT_EQ(i + 1, static_cast<size_t>(iov.Size()));
-    ASSERT_TRUE(iov.LastBlockEnd() == test_data[i] + str_len);
-  }
-
-  iov2 = iov.iovec();
-  ASSERT_TRUE(iov2 != nullptr);
-  for (size_t i = 0; i < iov.Size(); ++i) {
-    ASSERT_TRUE(test_data[i] == iov2[i].iov_base);
-    ASSERT_EQ(strlen(test_data[i]), iov2[i].iov_len);
-  }
-}
-
-TEST(IOVectorTest, AppendIovec) {
-  IOVector iov;
-  const struct iovec test_iov[] = {
-    {const_cast<char*>("foo"), 3},
-    {const_cast<char*>("bar"), 3},
-    {const_cast<char*>("buzzzz"), 6}
-  };
-  iov.AppendIovec(test_iov, arraysize(test_iov));
-  for (size_t i = 0; i < arraysize(test_iov); ++i) {
-    EXPECT_EQ(test_iov[i].iov_base, iov.iovec()[i].iov_base);
-    EXPECT_EQ(test_iov[i].iov_len, iov.iovec()[i].iov_len);
-  }
-
-  // Test AppendIovecAtMostBytes.
-  iov.Clear();
-  // Stop in the middle of a block.
-  EXPECT_EQ(5u, iov.AppendIovecAtMostBytes(test_iov, arraysize(test_iov), 5));
-  EXPECT_EQ(5u, iov.TotalBufferSize());
-  iov.Append(static_cast<char*>(test_iov[1].iov_base) + 2, 1);
-  // Make sure the boundary case, where max_bytes == size of block also works.
-  EXPECT_EQ(6u, iov.AppendIovecAtMostBytes(&test_iov[2], 1, 6));
-  ASSERT_LE(arraysize(test_iov), static_cast<size_t>(iov.Size()));
-  for (size_t i = 0; i < arraysize(test_iov); ++i) {
-    EXPECT_EQ(test_iov[i].iov_base, iov.iovec()[i].iov_base);
-    EXPECT_EQ(test_iov[i].iov_len, iov.iovec()[i].iov_len);
-  }
-}
-
-TEST(IOVectorTest, ConsumeHalfBlocks) {
-  IOVector iov;
-  int length = 0;
-
-  for (size_t i = 0; i < arraysize(test_data); ++i) {
-    const int str_len = strlen(test_data[i]);
-    iov.Append(const_cast<char*>(test_data[i]), str_len);
-    length += str_len;
-  }
-  const char* endp = iov.LastBlockEnd();
-  for (size_t i = 0; i < arraysize(test_data); ++i) {
-    const struct iovec* iov2 = iov.iovec();
-    const size_t str_len = strlen(test_data[i]);
-    size_t tmp = str_len / 2;
-
-    ASSERT_TRUE(iov2 != nullptr);
-    ASSERT_TRUE(iov2[0].iov_base == test_data[i]);
-    ASSERT_EQ(str_len, iov2[0].iov_len);
-
-    // Consume half of the first block.
-    size_t consumed = iov.Consume(tmp);
-    ASSERT_EQ(tmp, consumed);
-    ASSERT_EQ(arraysize(test_data) - i, static_cast<size_t>(iov.Size()));
-    iov2 = iov.iovec();
-    ASSERT_TRUE(iov2 != nullptr);
-    ASSERT_TRUE(iov2[0].iov_base == test_data[i] + tmp);
-    ASSERT_EQ(iov2[0].iov_len, str_len - tmp);
-
-    // Consume the rest of the first block
-    consumed = iov.Consume(str_len - tmp);
-    ASSERT_EQ(str_len - tmp, consumed);
-    ASSERT_EQ(arraysize(test_data) - i - 1, static_cast<size_t>(iov.Size()));
-    iov2 = iov.iovec();
-    if (iov.Size() > 0) {
-      ASSERT_TRUE(iov2 != nullptr);
-      ASSERT_TRUE(iov.LastBlockEnd() == endp);
-    } else {
-      ASSERT_TRUE(iov2 == nullptr);
-      ASSERT_TRUE(iov.LastBlockEnd() == nullptr);
-    }
-  }
-}
-
-TEST(IOVectorTest, ConsumeTwoAndHalfBlocks) {
-  IOVector iov;
-  int length = 0;
-
-  for (size_t i = 0; i < arraysize(test_data); ++i) {
-    const int str_len = strlen(test_data[i]);
-    iov.Append(const_cast<char*>(test_data[i]), str_len);
-    length += str_len;
-  }
-  const size_t last_len = strlen(test_data[arraysize(test_data) - 1]);
-  const size_t half_len = last_len / 2;
-
-  const char* endp = iov.LastBlockEnd();
-  size_t consumed = iov.Consume(length - half_len);
-  ASSERT_EQ(length - half_len, consumed);
-  const struct iovec* iov2 = iov.iovec();
-  ASSERT_TRUE(iov2 != nullptr);
-  ASSERT_EQ(1u, iov.Size());
-  ASSERT_TRUE(iov2[0].iov_base ==
-              test_data[arraysize(test_data) - 1] + last_len - half_len);
-  ASSERT_EQ(half_len, iov2[0].iov_len);
-  ASSERT_TRUE(iov.LastBlockEnd() == endp);
-
-  consumed = iov.Consume(half_len);
-  ASSERT_EQ(half_len, consumed);
-  iov2 = iov.iovec();
-  ASSERT_EQ(0u, iov.Size());
-  ASSERT_TRUE(iov2 == nullptr);
-  ASSERT_TRUE(iov.LastBlockEnd() == nullptr);
-}
-
-TEST(IOVectorTest, ConsumeTooMuch) {
-  IOVector iov;
-  int length = 0;
-
-  for (size_t i = 0; i < arraysize(test_data); ++i) {
-    const int str_len = strlen(test_data[i]);
-    iov.Append(const_cast<char*>(test_data[i]), str_len);
-    length += str_len;
-  }
-
-  int consumed = 0;
-  consumed = iov.Consume(length);
-  // TODO(rtenneti): enable when chromium supports EXPECT_DFATAL.
-  /*
-  EXPECT_DFATAL(
-      {consumed = iov.Consume(length + 1);},
-      "Attempting to consume 1 non-existent bytes.");
-  */
-  ASSERT_EQ(length, consumed);
-  const struct iovec* iov2 = iov.iovec();
-  ASSERT_EQ(0u, iov.Size());
-  ASSERT_TRUE(iov2 == nullptr);
-  ASSERT_TRUE(iov.LastBlockEnd() == nullptr);
-}
-
-TEST(IOVectorTest, Clear) {
-  IOVector iov;
-  int length = 0;
-
-  for (size_t i = 0; i < arraysize(test_data); ++i) {
-    const int str_len = strlen(test_data[i]);
-    iov.Append(const_cast<char*>(test_data[i]), str_len);
-    length += str_len;
-  }
-  const struct iovec* iov2 = iov.iovec();
-  ASSERT_TRUE(iov2 != nullptr);
-  ASSERT_EQ(arraysize(test_data), static_cast<size_t>(iov.Size()));
-
-  iov.Clear();
-  iov2 = iov.iovec();
-  ASSERT_EQ(0u, iov.Size());
-  ASSERT_TRUE(iov2 == nullptr);
-}
-
-TEST(IOVectorTest, Capacity) {
-  IOVector iov;
-  // Note: IOVector merges adjacent Appends() into a single iov.
-  // Therefore, if we expect final size of iov to be 3, we must insure
-  // that the items we are appending are not adjacent. To achieve that
-  // we use use an array (a[1] provides a buffer between a[0] and b[0],
-  // and makes them non-adjacent).
-  char a[2], b[2], c[2];
-  iov.Append(&a[0], 1);
-  iov.Append(&b[0], 1);
-  iov.Append(&c[0], 1);
-  ASSERT_EQ(3u, iov.Size());
-  size_t capacity = iov.Capacity();
-  EXPECT_LE(iov.Size(), capacity);
-  iov.Consume(2);
-  // The capacity should not have changed.
-  EXPECT_EQ(capacity, iov.Capacity());
-}
-
-TEST(IOVectorTest, Swap) {
-  IOVector iov1, iov2;
-  // See IOVector merge comment above.
-  char a[2], b[2], c[2], d[2], e[2];
-  iov1.Append(&a[0], 1);
-  iov1.Append(&b[0], 1);
-
-  iov2.Append(&c[0], 1);
-  iov2.Append(&d[0], 1);
-  iov2.Append(&e[0], 1);
-  iov1.Swap(&iov2);
-
-  ASSERT_EQ(3u, iov1.Size());
-  EXPECT_EQ(&c[0], iov1.iovec()[0].iov_base);
-  EXPECT_EQ(1u, iov1.iovec()[0].iov_len);
-  EXPECT_EQ(&d[0], iov1.iovec()[1].iov_base);
-  EXPECT_EQ(1u, iov1.iovec()[1].iov_len);
-  EXPECT_EQ(&e[0], iov1.iovec()[2].iov_base);
-  EXPECT_EQ(1u, iov1.iovec()[2].iov_len);
-
-  ASSERT_EQ(2u, iov2.Size());
-  EXPECT_EQ(&a[0], iov2.iovec()[0].iov_base);
-  EXPECT_EQ(1u, iov2.iovec()[0].iov_len);
-  EXPECT_EQ(&b[0], iov2.iovec()[1].iov_base);
-  EXPECT_EQ(1u, iov2.iovec()[1].iov_len);
-}
-
-}  // namespace
-}  // namespace test
-}  // namespace net