quic/platform/api/quic_text_utils_test.cc - quiche - Git at Google

 // Copyright 2016 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/third_party/quiche/src/quic/platform/api/quic_text_utils.h"

 #include <string>

 #include "net/third_party/quiche/src/quic/platform/api/quic_test.h"

 namespace quic {
 namespace test {

 class QuicTextUtilsTest : public QuicTest {};

 TEST_F(QuicTextUtilsTest, StartsWith) {
   EXPECT_TRUE(QuicTextUtils::StartsWith("hello world", "hello"));
   EXPECT_TRUE(QuicTextUtils::StartsWith("hello world", "hello world"));
   EXPECT_TRUE(QuicTextUtils::StartsWith("hello world", ""));
   EXPECT_FALSE(QuicTextUtils::StartsWith("hello world", "Hello"));
   EXPECT_FALSE(QuicTextUtils::StartsWith("hello world", "world"));
   EXPECT_FALSE(QuicTextUtils::StartsWith("hello world", "bar"));
 }

 TEST_F(QuicTextUtilsTest, EndsWithIgnoreCase) {
   EXPECT_TRUE(QuicTextUtils::EndsWithIgnoreCase("hello world", "world"));
   EXPECT_TRUE(QuicTextUtils::EndsWithIgnoreCase("hello world", "hello world"));
   EXPECT_TRUE(QuicTextUtils::EndsWithIgnoreCase("hello world", ""));
   EXPECT_TRUE(QuicTextUtils::EndsWithIgnoreCase("hello world", "WORLD"));
   EXPECT_FALSE(QuicTextUtils::EndsWithIgnoreCase("hello world", "hello"));
 }

 TEST_F(QuicTextUtilsTest, ToLower) {
   EXPECT_EQ("lower", QuicTextUtils::ToLower("LOWER"));
   EXPECT_EQ("lower", QuicTextUtils::ToLower("lower"));
   EXPECT_EQ("lower", QuicTextUtils::ToLower("lOwEr"));
   EXPECT_EQ("123", QuicTextUtils::ToLower("123"));
   EXPECT_EQ("", QuicTextUtils::ToLower(""));
 }

 TEST_F(QuicTextUtilsTest, RemoveLeadingAndTrailingWhitespace) {
   std::string input;

   for (auto* input : {"text", " text", "  text", "text ", "text  ", " text ",
                       "  text  ", "\r\n\ttext", "text\n\r\t"}) {
     QuicStringPiece piece(input);
     QuicTextUtils::RemoveLeadingAndTrailingWhitespace(&piece);
     EXPECT_EQ("text", piece);
   }
 }

 TEST_F(QuicTextUtilsTest, StringToNumbers) {
   const std::string kMaxInt32Plus1 = "2147483648";
   const std::string kMinInt32Minus1 = "-2147483649";
   const std::string kMaxUint32Plus1 = "4294967296";

   {
     // StringToUint64
     uint64_t uint64_val = 0;
     EXPECT_TRUE(QuicTextUtils::StringToUint64("123", &uint64_val));
     EXPECT_EQ(123u, uint64_val);
     EXPECT_TRUE(QuicTextUtils::StringToUint64("1234", &uint64_val));
     EXPECT_EQ(1234u, uint64_val);
     EXPECT_FALSE(QuicTextUtils::StringToUint64("", &uint64_val));
     EXPECT_FALSE(QuicTextUtils::StringToUint64("-123", &uint64_val));
     EXPECT_FALSE(QuicTextUtils::StringToUint64("-123.0", &uint64_val));
     EXPECT_TRUE(QuicTextUtils::StringToUint64(kMaxUint32Plus1, &uint64_val));
     EXPECT_EQ(4294967296u, uint64_val);
   }

   {
     // StringToint
     int int_val = 0;
     EXPECT_TRUE(QuicTextUtils::StringToInt("123", &int_val));
     EXPECT_EQ(123, int_val);
     EXPECT_TRUE(QuicTextUtils::StringToInt("1234", &int_val));
     EXPECT_EQ(1234, int_val);
     EXPECT_FALSE(QuicTextUtils::StringToInt("", &int_val));
     EXPECT_TRUE(QuicTextUtils::StringToInt("-123", &int_val));
     EXPECT_EQ(-123, int_val);
     EXPECT_FALSE(QuicTextUtils::StringToInt("-123.0", &int_val));
     if (sizeof(int) > 4) {
       EXPECT_TRUE(QuicTextUtils::StringToInt(kMinInt32Minus1, &int_val));
       EXPECT_EQ(-2147483649ll, int_val);
       EXPECT_TRUE(QuicTextUtils::StringToInt(kMaxInt32Plus1, &int_val));
       EXPECT_EQ(2147483648ll, int_val);
     } else {
       EXPECT_FALSE(QuicTextUtils::StringToInt(kMinInt32Minus1, &int_val));
       EXPECT_FALSE(QuicTextUtils::StringToInt(kMaxInt32Plus1, &int_val));
     }
   }

   {
     // StringToUint32
     uint32_t uint32_val = 0;
     EXPECT_TRUE(QuicTextUtils::StringToUint32("123", &uint32_val));
     EXPECT_EQ(123u, uint32_val);
     EXPECT_TRUE(QuicTextUtils::StringToUint32("1234", &uint32_val));
     EXPECT_EQ(1234u, uint32_val);
     EXPECT_FALSE(QuicTextUtils::StringToUint32("", &uint32_val));
     EXPECT_FALSE(QuicTextUtils::StringToUint32("-123", &uint32_val));
     EXPECT_FALSE(QuicTextUtils::StringToUint32("-123.0", &uint32_val));
     EXPECT_FALSE(QuicTextUtils::StringToUint32(kMaxUint32Plus1, &uint32_val));
   }

   {
     // StringToSizeT
     size_t size_t_val = 0;
     EXPECT_TRUE(QuicTextUtils::StringToSizeT("123", &size_t_val));
     EXPECT_EQ(123u, size_t_val);
     EXPECT_TRUE(QuicTextUtils::StringToSizeT("1234", &size_t_val));
     EXPECT_EQ(1234u, size_t_val);
     EXPECT_FALSE(QuicTextUtils::StringToSizeT("", &size_t_val));
     EXPECT_FALSE(QuicTextUtils::StringToSizeT("-123", &size_t_val));
     EXPECT_FALSE(QuicTextUtils::StringToSizeT("-123.0", &size_t_val));
     if (sizeof(size_t) > 4) {
       EXPECT_TRUE(QuicTextUtils::StringToSizeT(kMaxUint32Plus1, &size_t_val));
       EXPECT_EQ(4294967296ull, size_t_val);
     } else {
       EXPECT_FALSE(QuicTextUtils::StringToSizeT(kMaxUint32Plus1, &size_t_val));
     }
   }
 }

 TEST_F(QuicTextUtilsTest, Uint64ToString) {
   EXPECT_EQ("123", QuicTextUtils::Uint64ToString(123));
   EXPECT_EQ("1234", QuicTextUtils::Uint64ToString(1234));
 }

 TEST_F(QuicTextUtilsTest, HexEncode) {
   EXPECT_EQ("48656c6c6f", QuicTextUtils::HexEncode("Hello", 5));
   EXPECT_EQ("48656c6c6f", QuicTextUtils::HexEncode("Hello World", 5));
   EXPECT_EQ("48656c6c6f", QuicTextUtils::HexEncode("Hello"));
   EXPECT_EQ("0102779cfa", QuicTextUtils::HexEncode("\x01\x02\x77\x9c\xfa"));
 }

 TEST_F(QuicTextUtilsTest, HexDecode) {
   EXPECT_EQ("Hello", QuicTextUtils::HexDecode("48656c6c6f"));
   EXPECT_EQ("", QuicTextUtils::HexDecode(""));
   EXPECT_EQ("\x01\x02\x77\x9c\xfa", QuicTextUtils::HexDecode("0102779cfa"));
 }

 TEST_F(QuicTextUtilsTest, HexDump) {
   // Verify output of the HexDump method is as expected.
   char packet[] = {
       0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x2c, 0x20, 0x51, 0x55, 0x49, 0x43, 0x21,
       0x20, 0x54, 0x68, 0x69, 0x73, 0x20, 0x73, 0x74, 0x72, 0x69, 0x6e, 0x67,
       0x20, 0x73, 0x68, 0x6f, 0x75, 0x6c, 0x64, 0x20, 0x62, 0x65, 0x20, 0x6c,
       0x6f, 0x6e, 0x67, 0x20, 0x65, 0x6e, 0x6f, 0x75, 0x67, 0x68, 0x20, 0x74,
       0x6f, 0x20, 0x73, 0x70, 0x61, 0x6e, 0x20, 0x6d, 0x75, 0x6c, 0x74, 0x69,
       0x70, 0x6c, 0x65, 0x20, 0x6c, 0x69, 0x6e, 0x65, 0x73, 0x20, 0x6f, 0x66,
       0x20, 0x6f, 0x75, 0x74, 0x70, 0x75, 0x74, 0x2e, 0x01, 0x02, 0x03, 0x00,
   };
   EXPECT_EQ(
       QuicTextUtils::HexDump(packet),
       "0x0000:  4865 6c6c 6f2c 2051 5549 4321 2054 6869  Hello,.QUIC!.Thi\n"
       "0x0010:  7320 7374 7269 6e67 2073 686f 756c 6420  s.string.should.\n"
       "0x0020:  6265 206c 6f6e 6720 656e 6f75 6768 2074  be.long.enough.t\n"
       "0x0030:  6f20 7370 616e 206d 756c 7469 706c 6520  o.span.multiple.\n"
       "0x0040:  6c69 6e65 7320 6f66 206f 7574 7075 742e  lines.of.output.\n"
       "0x0050:  0102 03                                  ...\n");
   // Verify that 0x21 and 0x7e are printable, 0x20 and 0x7f are not.
   EXPECT_EQ("0x0000:  2021 7e7f                                .!~.\n",
             QuicTextUtils::HexDump(QuicTextUtils::HexDecode("20217e7f")));
   // Verify that values above numeric_limits<unsigned char>::max() are formatted
   // properly on platforms where char is unsigned.
   EXPECT_EQ("0x0000:  90aa ff                                  ...\n",
             QuicTextUtils::HexDump(QuicTextUtils::HexDecode("90aaff")));
 }

 TEST_F(QuicTextUtilsTest, Base64Encode) {
   std::string output;
   std::string input = "Hello";
   QuicTextUtils::Base64Encode(reinterpret_cast<const uint8_t*>(input.data()),
                               input.length(), &output);
   EXPECT_EQ("SGVsbG8", output);

   input =
       "Hello, QUIC! This string should be long enough to span"
       "multiple lines of output\n";
   QuicTextUtils::Base64Encode(reinterpret_cast<const uint8_t*>(input.data()),
                               input.length(), &output);
   EXPECT_EQ(
       "SGVsbG8sIFFVSUMhIFRoaXMgc3RyaW5nIHNob3VsZCBiZSBsb25n"
       "IGVub3VnaCB0byBzcGFubXVsdGlwbGUgbGluZXMgb2Ygb3V0cHV0Cg",
       output);
 }

 TEST_F(QuicTextUtilsTest, ContainsUpperCase) {
   EXPECT_FALSE(QuicTextUtils::ContainsUpperCase("abc"));
   EXPECT_FALSE(QuicTextUtils::ContainsUpperCase(""));
   EXPECT_FALSE(QuicTextUtils::ContainsUpperCase("123"));
   EXPECT_TRUE(QuicTextUtils::ContainsUpperCase("ABC"));
   EXPECT_TRUE(QuicTextUtils::ContainsUpperCase("aBc"));
 }

 TEST_F(QuicTextUtilsTest, Split) {
   EXPECT_EQ(std::vector<QuicStringPiece>({"a", "b", "c"}),
             QuicTextUtils::Split("a,b,c", ','));
   EXPECT_EQ(std::vector<QuicStringPiece>({"a", "b", "c"}),
             QuicTextUtils::Split("a:b:c", ':'));
   EXPECT_EQ(std::vector<QuicStringPiece>({"a:b:c"}),
             QuicTextUtils::Split("a:b:c", ','));
 }

 }  // namespace test
 }  // namespace quic
	// Copyright 2016 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/third_party/quiche/src/quic/platform/api/quic_text_utils.h"

	#include <string>

	#include "net/third_party/quiche/src/quic/platform/api/quic_test.h"

	namespace quic {
	namespace test {

	class QuicTextUtilsTest : public QuicTest {};

	TEST_F(QuicTextUtilsTest, StartsWith) {
	EXPECT_TRUE(QuicTextUtils::StartsWith("hello world", "hello"));
	EXPECT_TRUE(QuicTextUtils::StartsWith("hello world", "hello world"));
	EXPECT_TRUE(QuicTextUtils::StartsWith("hello world", ""));
	EXPECT_FALSE(QuicTextUtils::StartsWith("hello world", "Hello"));
	EXPECT_FALSE(QuicTextUtils::StartsWith("hello world", "world"));
	EXPECT_FALSE(QuicTextUtils::StartsWith("hello world", "bar"));
	}

	TEST_F(QuicTextUtilsTest, EndsWithIgnoreCase) {
	EXPECT_TRUE(QuicTextUtils::EndsWithIgnoreCase("hello world", "world"));
	EXPECT_TRUE(QuicTextUtils::EndsWithIgnoreCase("hello world", "hello world"));
	EXPECT_TRUE(QuicTextUtils::EndsWithIgnoreCase("hello world", ""));
	EXPECT_TRUE(QuicTextUtils::EndsWithIgnoreCase("hello world", "WORLD"));
	EXPECT_FALSE(QuicTextUtils::EndsWithIgnoreCase("hello world", "hello"));
	}

	TEST_F(QuicTextUtilsTest, ToLower) {
	EXPECT_EQ("lower", QuicTextUtils::ToLower("LOWER"));
	EXPECT_EQ("lower", QuicTextUtils::ToLower("lower"));
	EXPECT_EQ("lower", QuicTextUtils::ToLower("lOwEr"));
	EXPECT_EQ("123", QuicTextUtils::ToLower("123"));
	EXPECT_EQ("", QuicTextUtils::ToLower(""));
	}

	TEST_F(QuicTextUtilsTest, RemoveLeadingAndTrailingWhitespace) {
	std::string input;

	for (auto* input : {"text", " text", " text", "text ", "text ", " text ",
	" text ", "\r\n\ttext", "text\n\r\t"}) {
	QuicStringPiece piece(input);
	QuicTextUtils::RemoveLeadingAndTrailingWhitespace(&piece);
	EXPECT_EQ("text", piece);
	}
	}

	TEST_F(QuicTextUtilsTest, StringToNumbers) {
	const std::string kMaxInt32Plus1 = "2147483648";
	const std::string kMinInt32Minus1 = "-2147483649";
	const std::string kMaxUint32Plus1 = "4294967296";

	{
	// StringToUint64
	uint64_t uint64_val = 0;
	EXPECT_TRUE(QuicTextUtils::StringToUint64("123", &uint64_val));
	EXPECT_EQ(123u, uint64_val);
	EXPECT_TRUE(QuicTextUtils::StringToUint64("1234", &uint64_val));
	EXPECT_EQ(1234u, uint64_val);
	EXPECT_FALSE(QuicTextUtils::StringToUint64("", &uint64_val));
	EXPECT_FALSE(QuicTextUtils::StringToUint64("-123", &uint64_val));
	EXPECT_FALSE(QuicTextUtils::StringToUint64("-123.0", &uint64_val));
	EXPECT_TRUE(QuicTextUtils::StringToUint64(kMaxUint32Plus1, &uint64_val));
	EXPECT_EQ(4294967296u, uint64_val);
	}

	{
	// StringToint
	int int_val = 0;
	EXPECT_TRUE(QuicTextUtils::StringToInt("123", &int_val));
	EXPECT_EQ(123, int_val);
	EXPECT_TRUE(QuicTextUtils::StringToInt("1234", &int_val));
	EXPECT_EQ(1234, int_val);
	EXPECT_FALSE(QuicTextUtils::StringToInt("", &int_val));
	EXPECT_TRUE(QuicTextUtils::StringToInt("-123", &int_val));
	EXPECT_EQ(-123, int_val);
	EXPECT_FALSE(QuicTextUtils::StringToInt("-123.0", &int_val));
	if (sizeof(int) > 4) {
	EXPECT_TRUE(QuicTextUtils::StringToInt(kMinInt32Minus1, &int_val));
	EXPECT_EQ(-2147483649ll, int_val);
	EXPECT_TRUE(QuicTextUtils::StringToInt(kMaxInt32Plus1, &int_val));
	EXPECT_EQ(2147483648ll, int_val);
	} else {
	EXPECT_FALSE(QuicTextUtils::StringToInt(kMinInt32Minus1, &int_val));
	EXPECT_FALSE(QuicTextUtils::StringToInt(kMaxInt32Plus1, &int_val));
	}
	}

	{
	// StringToUint32
	uint32_t uint32_val = 0;
	EXPECT_TRUE(QuicTextUtils::StringToUint32("123", &uint32_val));
	EXPECT_EQ(123u, uint32_val);
	EXPECT_TRUE(QuicTextUtils::StringToUint32("1234", &uint32_val));
	EXPECT_EQ(1234u, uint32_val);
	EXPECT_FALSE(QuicTextUtils::StringToUint32("", &uint32_val));
	EXPECT_FALSE(QuicTextUtils::StringToUint32("-123", &uint32_val));
	EXPECT_FALSE(QuicTextUtils::StringToUint32("-123.0", &uint32_val));
	EXPECT_FALSE(QuicTextUtils::StringToUint32(kMaxUint32Plus1, &uint32_val));
	}

	{
	// StringToSizeT
	size_t size_t_val = 0;
	EXPECT_TRUE(QuicTextUtils::StringToSizeT("123", &size_t_val));
	EXPECT_EQ(123u, size_t_val);
	EXPECT_TRUE(QuicTextUtils::StringToSizeT("1234", &size_t_val));
	EXPECT_EQ(1234u, size_t_val);
	EXPECT_FALSE(QuicTextUtils::StringToSizeT("", &size_t_val));
	EXPECT_FALSE(QuicTextUtils::StringToSizeT("-123", &size_t_val));
	EXPECT_FALSE(QuicTextUtils::StringToSizeT("-123.0", &size_t_val));
	if (sizeof(size_t) > 4) {
	EXPECT_TRUE(QuicTextUtils::StringToSizeT(kMaxUint32Plus1, &size_t_val));
	EXPECT_EQ(4294967296ull, size_t_val);
	} else {
	EXPECT_FALSE(QuicTextUtils::StringToSizeT(kMaxUint32Plus1, &size_t_val));
	}
	}
	}

	TEST_F(QuicTextUtilsTest, Uint64ToString) {
	EXPECT_EQ("123", QuicTextUtils::Uint64ToString(123));
	EXPECT_EQ("1234", QuicTextUtils::Uint64ToString(1234));
	}

	TEST_F(QuicTextUtilsTest, HexEncode) {
	EXPECT_EQ("48656c6c6f", QuicTextUtils::HexEncode("Hello", 5));
	EXPECT_EQ("48656c6c6f", QuicTextUtils::HexEncode("Hello World", 5));
	EXPECT_EQ("48656c6c6f", QuicTextUtils::HexEncode("Hello"));
	EXPECT_EQ("0102779cfa", QuicTextUtils::HexEncode("\x01\x02\x77\x9c\xfa"));
	}

	TEST_F(QuicTextUtilsTest, HexDecode) {
	EXPECT_EQ("Hello", QuicTextUtils::HexDecode("48656c6c6f"));
	EXPECT_EQ("", QuicTextUtils::HexDecode(""));
	EXPECT_EQ("\x01\x02\x77\x9c\xfa", QuicTextUtils::HexDecode("0102779cfa"));
	}

	TEST_F(QuicTextUtilsTest, HexDump) {
	// Verify output of the HexDump method is as expected.
	char packet[] = {
	0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x2c, 0x20, 0x51, 0x55, 0x49, 0x43, 0x21,
	0x20, 0x54, 0x68, 0x69, 0x73, 0x20, 0x73, 0x74, 0x72, 0x69, 0x6e, 0x67,
	0x20, 0x73, 0x68, 0x6f, 0x75, 0x6c, 0x64, 0x20, 0x62, 0x65, 0x20, 0x6c,
	0x6f, 0x6e, 0x67, 0x20, 0x65, 0x6e, 0x6f, 0x75, 0x67, 0x68, 0x20, 0x74,
	0x6f, 0x20, 0x73, 0x70, 0x61, 0x6e, 0x20, 0x6d, 0x75, 0x6c, 0x74, 0x69,
	0x70, 0x6c, 0x65, 0x20, 0x6c, 0x69, 0x6e, 0x65, 0x73, 0x20, 0x6f, 0x66,
	0x20, 0x6f, 0x75, 0x74, 0x70, 0x75, 0x74, 0x2e, 0x01, 0x02, 0x03, 0x00,
	};
	EXPECT_EQ(
	QuicTextUtils::HexDump(packet),
	"0x0000: 4865 6c6c 6f2c 2051 5549 4321 2054 6869 Hello,.QUIC!.Thi\n"
	"0x0010: 7320 7374 7269 6e67 2073 686f 756c 6420 s.string.should.\n"
	"0x0020: 6265 206c 6f6e 6720 656e 6f75 6768 2074 be.long.enough.t\n"
	"0x0030: 6f20 7370 616e 206d 756c 7469 706c 6520 o.span.multiple.\n"
	"0x0040: 6c69 6e65 7320 6f66 206f 7574 7075 742e lines.of.output.\n"
	"0x0050: 0102 03 ...\n");
	// Verify that 0x21 and 0x7e are printable, 0x20 and 0x7f are not.
	EXPECT_EQ("0x0000: 2021 7e7f .!~.\n",
	QuicTextUtils::HexDump(QuicTextUtils::HexDecode("20217e7f")));
	// Verify that values above numeric_limits<unsigned char>::max() are formatted
	// properly on platforms where char is unsigned.
	EXPECT_EQ("0x0000: 90aa ff ...\n",
	QuicTextUtils::HexDump(QuicTextUtils::HexDecode("90aaff")));
	}

	TEST_F(QuicTextUtilsTest, Base64Encode) {
	std::string output;
	std::string input = "Hello";
	QuicTextUtils::Base64Encode(reinterpret_cast<const uint8_t*>(input.data()),
	input.length(), &output);
	EXPECT_EQ("SGVsbG8", output);

	input =
	"Hello, QUIC! This string should be long enough to span"
	"multiple lines of output\n";
	QuicTextUtils::Base64Encode(reinterpret_cast<const uint8_t*>(input.data()),
	input.length(), &output);
	EXPECT_EQ(
	"SGVsbG8sIFFVSUMhIFRoaXMgc3RyaW5nIHNob3VsZCBiZSBsb25n"
	"IGVub3VnaCB0byBzcGFubXVsdGlwbGUgbGluZXMgb2Ygb3V0cHV0Cg",
	output);
	}

	TEST_F(QuicTextUtilsTest, ContainsUpperCase) {
	EXPECT_FALSE(QuicTextUtils::ContainsUpperCase("abc"));
	EXPECT_FALSE(QuicTextUtils::ContainsUpperCase(""));
	EXPECT_FALSE(QuicTextUtils::ContainsUpperCase("123"));
	EXPECT_TRUE(QuicTextUtils::ContainsUpperCase("ABC"));
	EXPECT_TRUE(QuicTextUtils::ContainsUpperCase("aBc"));
	}

	TEST_F(QuicTextUtilsTest, Split) {
	EXPECT_EQ(std::vector<QuicStringPiece>({"a", "b", "c"}),
	QuicTextUtils::Split("a,b,c", ','));
	EXPECT_EQ(std::vector<QuicStringPiece>({"a", "b", "c"}),
	QuicTextUtils::Split("a:b:c", ':'));
	EXPECT_EQ(std::vector<QuicStringPiece>({"a:b:c"}),
	QuicTextUtils::Split("a:b:c", ','));
	}

	} // namespace test
	} // namespace quic