Index: net/base/big_endian_unittest.cc |
diff --git a/net/base/big_endian_unittest.cc b/net/base/big_endian_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..9d48129f58ecc3b310ee1f8c72957841dce901cc |
--- /dev/null |
+++ b/net/base/big_endian_unittest.cc |
@@ -0,0 +1,100 @@ |
+// Copyright (c) 2009 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 "base/string_piece.h" |
+#include "net/base/big_endian.h" |
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+namespace net { |
+ |
+TEST(BigEndianReaderTest, ReadsValues) { |
+ char data[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xA, 0xB, 0xC }; |
+ char buf[2]; |
+ uint8 u8; |
+ uint16 u16; |
+ uint32 u32; |
+ base::StringPiece piece; |
+ BigEndianReader reader(data, sizeof(data)); |
+ |
+ EXPECT_TRUE(reader.Skip(2)); |
+ EXPECT_EQ(data + 2, reader.ptr()); |
+ EXPECT_EQ(reader.remaining(), static_cast<int>(sizeof(data)) - 2); |
+ EXPECT_TRUE(reader.ReadBytes(buf, sizeof(buf))); |
+ EXPECT_EQ(0x2, buf[0]); |
+ EXPECT_EQ(0x3, buf[1]); |
+ EXPECT_TRUE(reader.ReadU8(&u8)); |
+ EXPECT_EQ(0x4, u8); |
+ EXPECT_TRUE(reader.ReadU16(&u16)); |
+ EXPECT_EQ(0x0506, u16); |
+ EXPECT_TRUE(reader.ReadU32(&u32)); |
+ EXPECT_EQ(0x0708090Au, u32); |
+ base::StringPiece expected(reader.ptr(), 2); |
+ EXPECT_TRUE(reader.ReadPiece(&piece, 2)); |
+ EXPECT_EQ(2u, piece.size()); |
+ EXPECT_EQ(expected.data(), piece.data()); |
+} |
+ |
+TEST(BigEndianReaderTest, RespectsLength) { |
+ char data[4]; |
+ char buf[2]; |
+ uint8 u8; |
+ uint16 u16; |
+ uint32 u32; |
+ base::StringPiece piece; |
+ BigEndianReader reader(data, sizeof(data)); |
+ // 4 left |
+ EXPECT_FALSE(reader.Skip(6)); |
+ EXPECT_TRUE(reader.Skip(1)); |
+ // 3 left |
+ EXPECT_FALSE(reader.ReadU32(&u32)); |
+ EXPECT_FALSE(reader.ReadPiece(&piece, 4)); |
+ EXPECT_TRUE(reader.Skip(2)); |
+ // 1 left |
+ EXPECT_FALSE(reader.ReadU16(&u16)); |
+ EXPECT_FALSE(reader.ReadBytes(buf, 2)); |
+ EXPECT_TRUE(reader.Skip(1)); |
+ // 0 left |
+ EXPECT_FALSE(reader.ReadU8(&u8)); |
+ EXPECT_EQ(0, reader.remaining()); |
+} |
+ |
+TEST(BigEndianWriterTest, WritesValues) { |
+ char expected[] = { 0, 0, 2, 3, 4, 5, 6, 7, 8, 9, 0xA }; |
+ char data[sizeof(expected)]; |
+ char buf[] = { 0x2, 0x3 }; |
+ memset(data, 0, sizeof(data)); |
+ BigEndianWriter writer(data, sizeof(data)); |
+ |
+ EXPECT_TRUE(writer.Skip(2)); |
+ EXPECT_TRUE(writer.WriteBytes(buf, sizeof(buf))); |
+ EXPECT_TRUE(writer.WriteU8(0x4)); |
+ EXPECT_TRUE(writer.WriteU16(0x0506)); |
+ EXPECT_TRUE(writer.WriteU32(0x0708090A)); |
+ EXPECT_EQ(0, memcmp(expected, data, sizeof(expected))); |
+} |
+ |
+TEST(BigEndianWriterTest, RespectsLength) { |
+ char data[4]; |
+ char buf[2]; |
+ uint8 u8 = 0; |
+ uint16 u16 = 0; |
+ uint32 u32 = 0; |
+ BigEndianWriter writer(data, sizeof(data)); |
+ // 4 left |
+ EXPECT_FALSE(writer.Skip(6)); |
+ EXPECT_TRUE(writer.Skip(1)); |
+ // 3 left |
+ EXPECT_FALSE(writer.WriteU32(u32)); |
+ EXPECT_TRUE(writer.Skip(2)); |
+ // 1 left |
+ EXPECT_FALSE(writer.WriteU16(u16)); |
+ EXPECT_FALSE(writer.WriteBytes(buf, 2)); |
+ EXPECT_TRUE(writer.Skip(1)); |
+ // 0 left |
+ EXPECT_FALSE(writer.WriteU8(u8)); |
+ EXPECT_EQ(0, writer.remaining()); |
+} |
+ |
+} // namespace net |
+ |