1 // Copyright 2017 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "net/base/hex_utils.h" 6 #include "testing/gtest/include/gtest/gtest.h" 7 8 namespace net { 9 10 namespace test { 11 TEST(HexUtilsTest,HexDump)12TEST(HexUtilsTest, HexDump) { 13 EXPECT_EQ("", HexDump("")); 14 EXPECT_EQ("0x0000: 4865 6c6c 6f20 776f 726c 6421 Hello.world!\n", 15 HexDump("Hello world!")); 16 EXPECT_EQ( 17 "0x0000: 5052 4920 2a20 4854 5450 2f32 2e30 0d0a PRI.*.HTTP/2.0..\n" 18 "0x0010: 0d0a 534d 0d0a 0d0a ..SM....\n", 19 HexDump("PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n")); 20 // Verify that 0x21 and 0x7e are printable, 0x20 and 0x7f are not. 21 EXPECT_EQ("0x0000: 2021 7e7f .!~.\n", 22 HexDump("\x20\x21\x7e\x7f")); 23 // Verify that values above numeric_limits<unsigned char>::max() are cast 24 // properly on platforms where char is unsigned. 25 EXPECT_EQ("0x0000: 90aa ff ...\n", 26 HexDump("\x90\xaa\xff")); 27 } 28 29 } // namespace test 30 31 } // namespace net 32