| // 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/http2/tools/random_util.h" |
| |
| #include <cmath> |
| |
| namespace http2 { |
| namespace test { |
| |
| // Here "word" means something that starts with a lower-case letter, and has |
| // zero or more additional characters that are numbers or lower-case letters. |
| std::string GenerateHttp2HeaderName(size_t len, Http2Random* rng) { |
| quiche::QuicheStringPiece alpha_lc = "abcdefghijklmnopqrstuvwxyz"; |
| // If the name is short, just make it one word. |
| if (len < 8) { |
| return rng->RandStringWithAlphabet(len, alpha_lc); |
| } |
| // If the name is longer, ensure it starts with a word, and after that may |
| // have any character in alphanumdash_lc. 4 is arbitrary, could be as low |
| // as 1. |
| quiche::QuicheStringPiece alphanumdash_lc = |
| "abcdefghijklmnopqrstuvwxyz0123456789-"; |
| return rng->RandStringWithAlphabet(4, alpha_lc) + |
| rng->RandStringWithAlphabet(len - 4, alphanumdash_lc); |
| } |
| |
| std::string GenerateWebSafeString(size_t len, Http2Random* rng) { |
| static const char* kWebsafe64 = |
| "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_"; |
| return rng->RandStringWithAlphabet(len, kWebsafe64); |
| } |
| |
| std::string GenerateWebSafeString(size_t lo, size_t hi, Http2Random* rng) { |
| return GenerateWebSafeString(rng->UniformInRange(lo, hi), rng); |
| } |
| |
| } // namespace test |
| } // namespace http2 |