1 files changed, 129 insertions, 0 deletions
diff --git a/chromium/net/spdy/spdy_test_utils.cc b/chromium/net/spdy/spdy_test_utils.cc
new file mode 100644
index 00000000000..e7eb8aca91b
--- /dev/null
+++ b/chromium/net/spdy/spdy_test_utils.cc
@@ -0,0 +1,129 @@
+// Copyright (c) 2012 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/spdy/spdy_test_utils.h"
+
+#include <cstring>
+
+#include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/sys_byteorder.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace net {
+
+namespace test {
+
+std::string HexDumpWithMarks(const unsigned char* data, int length,
+                             const bool* marks, int mark_length) {
+  static const char kHexChars[] = "0123456789abcdef";
+  static const int kColumns = 4;
+
+  const int kSizeLimit = 1024;
+  if (length > kSizeLimit || mark_length > kSizeLimit) {
+    LOG(ERROR) << "Only dumping first " << kSizeLimit << " bytes.";
+    length = std::min(length, kSizeLimit);
+    mark_length = std::min(mark_length, kSizeLimit);
+  }
+
+  std::string hex;
+  for (const unsigned char* row = data; length > 0;
+       row += kColumns, length -= kColumns) {
+    for (const unsigned char *p = row; p < row + 4; ++p) {
+      if (p < row + length) {
+        const bool mark =
+            (marks && (p - data) < mark_length && marks[p - data]);
+        hex += mark ? '*' : ' ';
+        hex += kHexChars[(*p & 0xf0) >> 4];
+        hex += kHexChars[*p & 0x0f];
+        hex += mark ? '*' : ' ';
+      } else {
+        hex += "    ";
+      }
+    }
+    hex = hex + "  ";
+
+    for (const unsigned char *p = row; p < row + 4 && p < row + length; ++p)
+      hex += (*p >= 0x20 && *p <= 0x7f) ? (*p) : '.';
+
+    hex = hex + '\n';
+  }
+  return hex;
+}
+
+void CompareCharArraysWithHexError(
+    const std::string& description,
+    const unsigned char* actual,
+    const int actual_len,
+    const unsigned char* expected,
+    const int expected_len) {
+  const int min_len = std::min(actual_len, expected_len);
+  const int max_len = std::max(actual_len, expected_len);
+  scoped_ptr<bool[]> marks(new bool[max_len]);
+  bool identical = (actual_len == expected_len);
+  for (int i = 0; i < min_len; ++i) {
+    if (actual[i] != expected[i]) {
+      marks[i] = true;
+      identical = false;
+    } else {
+      marks[i] = false;
+    }
+  }
+  for (int i = min_len; i < max_len; ++i) {
+    marks[i] = true;
+  }
+  if (identical) return;
+  ADD_FAILURE()
+      << "Description:\n"
+      << description
+      << "\n\nExpected:\n"
+      << HexDumpWithMarks(expected, expected_len, marks.get(), max_len)
+      << "\nActual:\n"
+      << HexDumpWithMarks(actual, actual_len, marks.get(), max_len);
+}
+
+void SetFrameFlags(SpdyFrame* frame, uint8 flags, int spdy_version) {
+  switch (spdy_version) {
+    case 2:
+    case 3:
+      frame->data()[4] = flags;
+      break;
+    case 4:
+      frame->data()[3] = flags;
+      break;
+    default:
+      LOG(FATAL) << "Unsupported SPDY version.";
+  }
+}
+
+void SetFrameLength(SpdyFrame* frame, size_t length, int spdy_version) {
+  switch (spdy_version) {
+    case 2:
+    case 3:
+      CHECK_EQ(0u, length & ~kLengthMask);
+      {
+        int32 wire_length = base::HostToNet32(length);
+        // The length field in SPDY 2 and 3 is a 24-bit (3B) integer starting at
+        // offset 5.
+        memcpy(frame->data() + 5, reinterpret_cast<char*>(&wire_length) + 1, 3);
+      }
+      break;
+    case 4:
+      CHECK_GT(1u<<16, length);
+      {
+        int32 wire_length = base::HostToNet16(static_cast<uint16>(length));
+        memcpy(frame->data(),
+               reinterpret_cast<char*>(&wire_length),
+               sizeof(uint16));
+      }
+      break;
+    default:
+      LOG(FATAL) << "Unsupported SPDY version.";
+  }
+}
+
+
+}  // namespace test
+
+}  // namespace net