blob: d535614798d85c056e7a5fba81f8c3c772fa3f13 [file] [log] [blame]
// 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 "quiche/common/quiche_text_utils.h"
#include <string>
#include "absl/strings/escaping.h"
#include "quiche/common/platform/api/quiche_test.h"
namespace quiche {
namespace test {
TEST(QuicheTextUtilsTest, ToLower) {
EXPECT_EQ("lower", quiche::QuicheTextUtils::ToLower("LOWER"));
EXPECT_EQ("lower", quiche::QuicheTextUtils::ToLower("lower"));
EXPECT_EQ("lower", quiche::QuicheTextUtils::ToLower("lOwEr"));
EXPECT_EQ("123", quiche::QuicheTextUtils::ToLower("123"));
EXPECT_EQ("", quiche::QuicheTextUtils::ToLower(""));
}
TEST(QuicheTextUtilsTest, RemoveLeadingAndTrailingWhitespace) {
for (auto* const input : {"text", " text", " text", "text ", "text ",
" text ", " text ", "\r\n\ttext", "text\n\r\t"}) {
absl::string_view piece(input);
quiche::QuicheTextUtils::RemoveLeadingAndTrailingWhitespace(&piece);
EXPECT_EQ("text", piece);
}
}
TEST(QuicheTextUtilsTest, HexDump) {
// Verify output for empty input.
std::string empty;
ASSERT_TRUE(absl::HexStringToBytes("", &empty));
EXPECT_EQ("", quiche::QuicheTextUtils::HexDump(empty));
// 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(
quiche::QuicheTextUtils::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.
std::string printable_and_unprintable_chars;
ASSERT_TRUE(
absl::HexStringToBytes("20217e7f", &printable_and_unprintable_chars));
EXPECT_EQ("0x0000: 2021 7e7f .!~.\n",
quiche::QuicheTextUtils::HexDump(printable_and_unprintable_chars));
// Verify that values above numeric_limits<unsigned char>::max() are formatted
// properly on platforms where char is unsigned.
std::string large_chars;
ASSERT_TRUE(absl::HexStringToBytes("90aaff", &large_chars));
EXPECT_EQ("0x0000: 90aa ff ...\n",
quiche::QuicheTextUtils::HexDump(large_chars));
}
TEST(QuicheTextUtilsTest, Base64Encode) {
std::string output;
std::string input = "Hello";
quiche::QuicheTextUtils::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";
quiche::QuicheTextUtils::Base64Encode(
reinterpret_cast<const uint8_t*>(input.data()), input.length(), &output);
EXPECT_EQ(
"SGVsbG8sIFFVSUMhIFRoaXMgc3RyaW5nIHNob3VsZCBiZSBsb25n"
"IGVub3VnaCB0byBzcGFubXVsdGlwbGUgbGluZXMgb2Ygb3V0cHV0Cg",
output);
}
TEST(QuicheTextUtilsTest, ContainsUpperCase) {
EXPECT_FALSE(quiche::QuicheTextUtils::ContainsUpperCase("abc"));
EXPECT_FALSE(quiche::QuicheTextUtils::ContainsUpperCase(""));
EXPECT_FALSE(quiche::QuicheTextUtils::ContainsUpperCase("123"));
EXPECT_TRUE(quiche::QuicheTextUtils::ContainsUpperCase("ABC"));
EXPECT_TRUE(quiche::QuicheTextUtils::ContainsUpperCase("aBc"));
}
} // namespace test
} // namespace quiche