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r5sdk/r5dev/thirdparty/protobuf/stubs/strutil_unittest.cc
Amos f7df14d153 Add protobuf library to project
2022-02-10 00:19:49 +01:00

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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Author: kenton@google.com (Kenton Varda)
#include <thirdparty/protobuf/stubs/strutil.h>
#include <locale.h>
#include <thirdparty/protobuf/stubs/stl_util.h>
#include <thirdparty/protobuf/testing/googletest.h>
#include <gtest/gtest.h>
#ifdef _WIN32
#define snprintf _snprintf
#endif
namespace google {
namespace protobuf {
namespace {
// TODO(kenton): Copy strutil tests from google3?
TEST(StringUtilityTest, ImmuneToLocales) {
// Remember the old locale.
char* old_locale_cstr = setlocale(LC_NUMERIC, nullptr);
ASSERT_TRUE(old_locale_cstr != nullptr);
std::string old_locale = old_locale_cstr;
// Set the locale to "C".
ASSERT_TRUE(setlocale(LC_NUMERIC, "C") != nullptr);
EXPECT_EQ("1.5", SimpleDtoa(1.5));
EXPECT_EQ("1.5", SimpleFtoa(1.5));
if (setlocale(LC_NUMERIC, "es_ES") == nullptr &&
setlocale(LC_NUMERIC, "es_ES.utf8") == nullptr) {
// Some systems may not have the desired locale available.
GOOGLE_LOG(WARNING)
<< "Couldn't set locale to es_ES. Skipping this test.";
} else {
EXPECT_EQ("1.5", SimpleDtoa(1.5));
EXPECT_EQ("1.5", SimpleFtoa(1.5));
}
// Return to original locale.
setlocale(LC_NUMERIC, old_locale.c_str());
}
#define EXPECT_EQ_ARRAY(len, x, y, msg) \
for (int j = 0; j < len; ++j) { \
EXPECT_EQ(x[j], y[j]) << "" # x << " != " # y \
<< " byte " << j << ": " << msg; \
}
static struct {
int plain_length;
const char* plaintext;
const char* ciphertext;
} base64_tests[] = {
// Empty string.
{ 0, "", ""},
// Basic bit patterns;
// values obtained with "echo -n '...' | uuencode -m test"
{ 1, "\000", "AA==" },
{ 1, "\001", "AQ==" },
{ 1, "\002", "Ag==" },
{ 1, "\004", "BA==" },
{ 1, "\010", "CA==" },
{ 1, "\020", "EA==" },
{ 1, "\040", "IA==" },
{ 1, "\100", "QA==" },
{ 1, "\200", "gA==" },
{ 1, "\377", "/w==" },
{ 1, "\376", "/g==" },
{ 1, "\375", "/Q==" },
{ 1, "\373", "+w==" },
{ 1, "\367", "9w==" },
{ 1, "\357", "7w==" },
{ 1, "\337", "3w==" },
{ 1, "\277", "vw==" },
{ 1, "\177", "fw==" },
{ 2, "\000\000", "AAA=" },
{ 2, "\000\001", "AAE=" },
{ 2, "\000\002", "AAI=" },
{ 2, "\000\004", "AAQ=" },
{ 2, "\000\010", "AAg=" },
{ 2, "\000\020", "ABA=" },
{ 2, "\000\040", "ACA=" },
{ 2, "\000\100", "AEA=" },
{ 2, "\000\200", "AIA=" },
{ 2, "\001\000", "AQA=" },
{ 2, "\002\000", "AgA=" },
{ 2, "\004\000", "BAA=" },
{ 2, "\010\000", "CAA=" },
{ 2, "\020\000", "EAA=" },
{ 2, "\040\000", "IAA=" },
{ 2, "\100\000", "QAA=" },
{ 2, "\200\000", "gAA=" },
{ 2, "\377\377", "//8=" },
{ 2, "\377\376", "//4=" },
{ 2, "\377\375", "//0=" },
{ 2, "\377\373", "//s=" },
{ 2, "\377\367", "//c=" },
{ 2, "\377\357", "/+8=" },
{ 2, "\377\337", "/98=" },
{ 2, "\377\277", "/78=" },
{ 2, "\377\177", "/38=" },
{ 2, "\376\377", "/v8=" },
{ 2, "\375\377", "/f8=" },
{ 2, "\373\377", "+/8=" },
{ 2, "\367\377", "9/8=" },
{ 2, "\357\377", "7/8=" },
{ 2, "\337\377", "3/8=" },
{ 2, "\277\377", "v/8=" },
{ 2, "\177\377", "f/8=" },
{ 3, "\000\000\000", "AAAA" },
{ 3, "\000\000\001", "AAAB" },
{ 3, "\000\000\002", "AAAC" },
{ 3, "\000\000\004", "AAAE" },
{ 3, "\000\000\010", "AAAI" },
{ 3, "\000\000\020", "AAAQ" },
{ 3, "\000\000\040", "AAAg" },
{ 3, "\000\000\100", "AABA" },
{ 3, "\000\000\200", "AACA" },
{ 3, "\000\001\000", "AAEA" },
{ 3, "\000\002\000", "AAIA" },
{ 3, "\000\004\000", "AAQA" },
{ 3, "\000\010\000", "AAgA" },
{ 3, "\000\020\000", "ABAA" },
{ 3, "\000\040\000", "ACAA" },
{ 3, "\000\100\000", "AEAA" },
{ 3, "\000\200\000", "AIAA" },
{ 3, "\001\000\000", "AQAA" },
{ 3, "\002\000\000", "AgAA" },
{ 3, "\004\000\000", "BAAA" },
{ 3, "\010\000\000", "CAAA" },
{ 3, "\020\000\000", "EAAA" },
{ 3, "\040\000\000", "IAAA" },
{ 3, "\100\000\000", "QAAA" },
{ 3, "\200\000\000", "gAAA" },
{ 3, "\377\377\377", "////" },
{ 3, "\377\377\376", "///+" },
{ 3, "\377\377\375", "///9" },
{ 3, "\377\377\373", "///7" },
{ 3, "\377\377\367", "///3" },
{ 3, "\377\377\357", "///v" },
{ 3, "\377\377\337", "///f" },
{ 3, "\377\377\277", "//+/" },
{ 3, "\377\377\177", "//9/" },
{ 3, "\377\376\377", "//7/" },
{ 3, "\377\375\377", "//3/" },
{ 3, "\377\373\377", "//v/" },
{ 3, "\377\367\377", "//f/" },
{ 3, "\377\357\377", "/+//" },
{ 3, "\377\337\377", "/9//" },
{ 3, "\377\277\377", "/7//" },
{ 3, "\377\177\377", "/3//" },
{ 3, "\376\377\377", "/v//" },
{ 3, "\375\377\377", "/f//" },
{ 3, "\373\377\377", "+///" },
{ 3, "\367\377\377", "9///" },
{ 3, "\357\377\377", "7///" },
{ 3, "\337\377\377", "3///" },
{ 3, "\277\377\377", "v///" },
{ 3, "\177\377\377", "f///" },
// Random numbers: values obtained with
//
// #! /bin/bash
// dd bs=$1 count=1 if=/dev/random of=/tmp/bar.random
// od -N $1 -t o1 /tmp/bar.random
// uuencode -m test < /tmp/bar.random
//
// where $1 is the number of bytes (2, 3)
{ 2, "\243\361", "o/E=" },
{ 2, "\024\167", "FHc=" },
{ 2, "\313\252", "y6o=" },
{ 2, "\046\041", "JiE=" },
{ 2, "\145\236", "ZZ4=" },
{ 2, "\254\325", "rNU=" },
{ 2, "\061\330", "Mdg=" },
{ 2, "\245\032", "pRo=" },
{ 2, "\006\000", "BgA=" },
{ 2, "\375\131", "/Vk=" },
{ 2, "\303\210", "w4g=" },
{ 2, "\040\037", "IB8=" },
{ 2, "\261\372", "sfo=" },
{ 2, "\335\014", "3Qw=" },
{ 2, "\233\217", "m48=" },
{ 2, "\373\056", "+y4=" },
{ 2, "\247\232", "p5o=" },
{ 2, "\107\053", "Rys=" },
{ 2, "\204\077", "hD8=" },
{ 2, "\276\211", "vok=" },
{ 2, "\313\110", "y0g=" },
{ 2, "\363\376", "8/4=" },
{ 2, "\251\234", "qZw=" },
{ 2, "\103\262", "Q7I=" },
{ 2, "\142\312", "Yso=" },
{ 2, "\067\211", "N4k=" },
{ 2, "\220\001", "kAE=" },
{ 2, "\152\240", "aqA=" },
{ 2, "\367\061", "9zE=" },
{ 2, "\133\255", "W60=" },
{ 2, "\176\035", "fh0=" },
{ 2, "\032\231", "Gpk=" },
{ 3, "\013\007\144", "Cwdk" },
{ 3, "\030\112\106", "GEpG" },
{ 3, "\047\325\046", "J9Um" },
{ 3, "\310\160\022", "yHAS" },
{ 3, "\131\100\237", "WUCf" },
{ 3, "\064\342\134", "NOJc" },
{ 3, "\010\177\004", "CH8E" },
{ 3, "\345\147\205", "5WeF" },
{ 3, "\300\343\360", "wOPw" },
{ 3, "\061\240\201", "MaCB" },
{ 3, "\225\333\044", "ldsk" },
{ 3, "\215\137\352", "jV/q" },
{ 3, "\371\147\160", "+Wdw" },
{ 3, "\030\320\051", "GNAp" },
{ 3, "\044\174\241", "JHyh" },
{ 3, "\260\127\037", "sFcf" },
{ 3, "\111\045\033", "SSUb" },
{ 3, "\202\114\107", "gkxH" },
{ 3, "\057\371\042", "L/ki" },
{ 3, "\223\247\244", "k6ek" },
{ 3, "\047\216\144", "J45k" },
{ 3, "\203\070\327", "gzjX" },
{ 3, "\247\140\072", "p2A6" },
{ 3, "\124\115\116", "VE1O" },
{ 3, "\157\162\050", "b3Io" },
{ 3, "\357\223\004", "75ME" },
{ 3, "\052\117\156", "Kk9u" },
{ 3, "\347\154\000", "52wA" },
{ 3, "\303\012\142", "wwpi" },
{ 3, "\060\035\362", "MB3y" },
{ 3, "\130\226\361", "WJbx" },
{ 3, "\173\013\071", "ews5" },
{ 3, "\336\004\027", "3gQX" },
{ 3, "\357\366\234", "7/ac" },
{ 3, "\353\304\111", "68RJ" },
{ 3, "\024\264\131", "FLRZ" },
{ 3, "\075\114\251", "PUyp" },
{ 3, "\315\031\225", "zRmV" },
{ 3, "\154\201\276", "bIG+" },
{ 3, "\200\066\072", "gDY6" },
{ 3, "\142\350\267", "Yui3" },
{ 3, "\033\000\166", "GwB2" },
{ 3, "\210\055\077", "iC0/" },
{ 3, "\341\037\124", "4R9U" },
{ 3, "\161\103\152", "cUNq" },
{ 3, "\270\142\131", "uGJZ" },
{ 3, "\337\076\074", "3z48" },
{ 3, "\375\106\362", "/Uby" },
{ 3, "\227\301\127", "l8FX" },
{ 3, "\340\002\234", "4AKc" },
{ 3, "\121\064\033", "UTQb" },
{ 3, "\157\134\143", "b1xj" },
{ 3, "\247\055\327", "py3X" },
{ 3, "\340\142\005", "4GIF" },
{ 3, "\060\260\143", "MLBj" },
{ 3, "\075\203\170", "PYN4" },
{ 3, "\143\160\016", "Y3AO" },
{ 3, "\313\013\063", "ywsz" },
{ 3, "\174\236\135", "fJ5d" },
{ 3, "\103\047\026", "QycW" },
{ 3, "\365\005\343", "9QXj" },
{ 3, "\271\160\223", "uXCT" },
{ 3, "\362\255\172", "8q16" },
{ 3, "\113\012\015", "SwoN" },
// various lengths, generated by this python script:
//
// from string import lowercase as lc
// for i in range(27):
// print '{ %2d, "%s",%s "%s" },' % (i, lc[:i], ' ' * (26-i),
// lc[:i].encode('base64').strip())
{ 0, "", "" },
{ 1, "a", "YQ==" },
{ 2, "ab", "YWI=" },
{ 3, "abc", "YWJj" },
{ 4, "abcd", "YWJjZA==" },
{ 5, "abcde", "YWJjZGU=" },
{ 6, "abcdef", "YWJjZGVm" },
{ 7, "abcdefg", "YWJjZGVmZw==" },
{ 8, "abcdefgh", "YWJjZGVmZ2g=" },
{ 9, "abcdefghi", "YWJjZGVmZ2hp" },
{ 10, "abcdefghij", "YWJjZGVmZ2hpag==" },
{ 11, "abcdefghijk", "YWJjZGVmZ2hpams=" },
{ 12, "abcdefghijkl", "YWJjZGVmZ2hpamts" },
{ 13, "abcdefghijklm", "YWJjZGVmZ2hpamtsbQ==" },
{ 14, "abcdefghijklmn", "YWJjZGVmZ2hpamtsbW4=" },
{ 15, "abcdefghijklmno", "YWJjZGVmZ2hpamtsbW5v" },
{ 16, "abcdefghijklmnop", "YWJjZGVmZ2hpamtsbW5vcA==" },
{ 17, "abcdefghijklmnopq", "YWJjZGVmZ2hpamtsbW5vcHE=" },
{ 18, "abcdefghijklmnopqr", "YWJjZGVmZ2hpamtsbW5vcHFy" },
{ 19, "abcdefghijklmnopqrs", "YWJjZGVmZ2hpamtsbW5vcHFycw==" },
{ 20, "abcdefghijklmnopqrst", "YWJjZGVmZ2hpamtsbW5vcHFyc3Q=" },
{ 21, "abcdefghijklmnopqrstu", "YWJjZGVmZ2hpamtsbW5vcHFyc3R1" },
{ 22, "abcdefghijklmnopqrstuv", "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dg==" },
{ 23, "abcdefghijklmnopqrstuvw", "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnc=" },
{ 24, "abcdefghijklmnopqrstuvwx", "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4" },
{ 25, "abcdefghijklmnopqrstuvwxy", "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eQ==" },
{ 26, "abcdefghijklmnopqrstuvwxyz", "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXo=" },
};
static struct {
const char* plaintext;
const char* ciphertext;
} base64_strings[] = {
// Some google quotes
// Ciphertext created with "uuencode (GNU sharutils) 4.6.3"
// (Note that we're testing the websafe encoding, though, so if
// you add messages, be sure to run "tr -- '+/' '-_'" on the output)
{"I was always good at math and science, and I never realized "
"that was unusual or somehow undesirable. So one of the things "
"I care a lot about is helping to remove that stigma, "
"to show girls that you can be feminine, you can like the things "
"that girls like, but you can also be really good at technology. "
"You can be really good at building things."
" - Marissa Meyer, Newsweek, 2010-12-22"
"\n",
"SSB3YXMgYWx3YXlzIGdvb2QgYXQgbWF0aCBhbmQgc2NpZW5jZSwgYW5kIEkg"
"bmV2ZXIgcmVhbGl6ZWQgdGhhdCB3YXMgdW51c3VhbCBvciBzb21laG93IHVu"
"ZGVzaXJhYmxlLiBTbyBvbmUgb2YgdGhlIHRoaW5ncyBJIGNhcmUgYSBsb3Qg"
"YWJvdXQgaXMgaGVscGluZyB0byByZW1vdmUgdGhhdCBzdGlnbWEsIHRvIHNo"
"b3cgZ2lybHMgdGhhdCB5b3UgY2FuIGJlIGZlbWluaW5lLCB5b3UgY2FuIGxp"
"a2UgdGhlIHRoaW5ncyB0aGF0IGdpcmxzIGxpa2UsIGJ1dCB5b3UgY2FuIGFs"
"c28gYmUgcmVhbGx5IGdvb2QgYXQgdGVjaG5vbG9neS4gWW91IGNhbiBiZSBy"
"ZWFsbHkgZ29vZCBhdCBidWlsZGluZyB0aGluZ3MuIC0gTWFyaXNzYSBNZXll"
"ciwgTmV3c3dlZWssIDIwMTAtMTItMjIK"},
{"Typical first year for a new cluster: "
"~0.5 overheating "
"~1 PDU failure "
"~1 rack-move "
"~1 network rewiring "
"~20 rack failures "
"~5 racks go wonky "
"~8 network maintenances "
"~12 router reloads "
"~3 router failures "
"~dozens of minor 30-second blips for dns "
"~1000 individual machine failures "
"~thousands of hard drive failures "
"slow disks, bad memory, misconfigured machines, flaky machines, etc."
" - Jeff Dean, The Joys of Real Hardware"
"\n",
"VHlwaWNhbCBmaXJzdCB5ZWFyIGZvciBhIG5ldyBjbHVzdGVyOiB-MC41IG92"
"ZXJoZWF0aW5nIH4xIFBEVSBmYWlsdXJlIH4xIHJhY2stbW92ZSB-MSBuZXR3"
"b3JrIHJld2lyaW5nIH4yMCByYWNrIGZhaWx1cmVzIH41IHJhY2tzIGdvIHdv"
"bmt5IH44IG5ldHdvcmsgbWFpbnRlbmFuY2VzIH4xMiByb3V0ZXIgcmVsb2Fk"
"cyB-MyByb3V0ZXIgZmFpbHVyZXMgfmRvemVucyBvZiBtaW5vciAzMC1zZWNv"
"bmQgYmxpcHMgZm9yIGRucyB-MTAwMCBpbmRpdmlkdWFsIG1hY2hpbmUgZmFp"
"bHVyZXMgfnRob3VzYW5kcyBvZiBoYXJkIGRyaXZlIGZhaWx1cmVzIHNsb3cg"
"ZGlza3MsIGJhZCBtZW1vcnksIG1pc2NvbmZpZ3VyZWQgbWFjaGluZXMsIGZs"
"YWt5IG1hY2hpbmVzLCBldGMuIC0gSmVmZiBEZWFuLCBUaGUgSm95cyBvZiBS"
"ZWFsIEhhcmR3YXJlCg"},
{"I'm the head of the webspam team at Google. "
"That means that if you type your name into Google and get porn back, "
"it's my fault. Unless you're a porn star, in which case porn is a "
"completely reasonable response."
" - Matt Cutts, Google Plus"
"\n",
"SSdtIHRoZSBoZWFkIG9mIHRoZSB3ZWJzcGFtIHRlYW0gYXQgR29vZ2xlLiAg"
"VGhhdCBtZWFucyB0aGF0IGlmIHlvdSB0eXBlIHlvdXIgbmFtZSBpbnRvIEdv"
"b2dsZSBhbmQgZ2V0IHBvcm4gYmFjaywgaXQncyBteSBmYXVsdC4gVW5sZXNz"
"IHlvdSdyZSBhIHBvcm4gc3RhciwgaW4gd2hpY2ggY2FzZSBwb3JuIGlzIGEg"
"Y29tcGxldGVseSByZWFzb25hYmxlIHJlc3BvbnNlLiAtIE1hdHQgQ3V0dHMs"
"IEdvb2dsZSBQbHVzCg"},
{"It will still be a long time before machines approach human "
"intelligence. "
"But luckily, machines don't actually have to be intelligent; "
"they just have to fake it. Access to a wealth of information, "
"combined with a rudimentary decision-making capacity, "
"can often be almost as useful. Of course, the results are better yet "
"when coupled with intelligence. A reference librarian with access to "
"a good search engine is a formidable tool."
" - Craig Silverstein, Siemens Pictures of the Future, Spring 2004"
"\n",
"SXQgd2lsbCBzdGlsbCBiZSBhIGxvbmcgdGltZSBiZWZvcmUgbWFjaGluZXMg"
"YXBwcm9hY2ggaHVtYW4gaW50ZWxsaWdlbmNlLiBCdXQgbHVja2lseSwgbWFj"
"aGluZXMgZG9uJ3QgYWN0dWFsbHkgaGF2ZSB0byBiZSBpbnRlbGxpZ2VudDsg"
"dGhleSBqdXN0IGhhdmUgdG8gZmFrZSBpdC4gQWNjZXNzIHRvIGEgd2VhbHRo"
"IG9mIGluZm9ybWF0aW9uLCBjb21iaW5lZCB3aXRoIGEgcnVkaW1lbnRhcnkg"
"ZGVjaXNpb24tbWFraW5nIGNhcGFjaXR5LCBjYW4gb2Z0ZW4gYmUgYWxtb3N0"
"IGFzIHVzZWZ1bC4gT2YgY291cnNlLCB0aGUgcmVzdWx0cyBhcmUgYmV0dGVy"
"IHlldCB3aGVuIGNvdXBsZWQgd2l0aCBpbnRlbGxpZ2VuY2UuIEEgcmVmZXJl"
"bmNlIGxpYnJhcmlhbiB3aXRoIGFjY2VzcyB0byBhIGdvb2Qgc2VhcmNoIGVu"
"Z2luZSBpcyBhIGZvcm1pZGFibGUgdG9vbC4gLSBDcmFpZyBTaWx2ZXJzdGVp"
"biwgU2llbWVucyBQaWN0dXJlcyBvZiB0aGUgRnV0dXJlLCBTcHJpbmcgMjAw"
"NAo"},
// Degenerate edge case
{"", ""},
};
TEST(Base64, EscapeAndUnescape) {
// Check the short strings; this tests the math (and boundaries)
for (int i = 0; i < sizeof(base64_tests) / sizeof(base64_tests[0]); ++i) {
char encode_buffer[100];
int encode_length;
char decode_buffer[100];
int decode_length;
int cipher_length;
std::string decode_str;
const unsigned char* unsigned_plaintext =
reinterpret_cast<const unsigned char*>(base64_tests[i].plaintext);
StringPiece plaintext(base64_tests[i].plaintext,
base64_tests[i].plain_length);
cipher_length = strlen(base64_tests[i].ciphertext);
// The basic escape function:
memset(encode_buffer, 0, sizeof(encode_buffer));
encode_length = Base64Escape(unsigned_plaintext,
base64_tests[i].plain_length,
encode_buffer,
sizeof(encode_buffer));
// Is it of the expected length?
EXPECT_EQ(encode_length, cipher_length);
// Would it have been okay to allocate only CalculateBase64EscapeLen()?
EXPECT_EQ(CalculateBase64EscapedLen(base64_tests[i].plain_length),
encode_length);
// Is it the expected encoded value?
ASSERT_STREQ(encode_buffer, base64_tests[i].ciphertext);
// If we encode it into a buffer of exactly the right length...
memset(encode_buffer, 0, sizeof(encode_buffer));
encode_length =
Base64Escape(unsigned_plaintext, base64_tests[i].plain_length,
encode_buffer, cipher_length);
// Is it still of the expected length?
EXPECT_EQ(encode_length, cipher_length);
// And is the value still correct? (i.e., not losing the last byte)
EXPECT_STREQ(encode_buffer, base64_tests[i].ciphertext);
// If we decode it back:
decode_str.clear();
EXPECT_TRUE(
Base64Unescape(StringPiece(encode_buffer, cipher_length), &decode_str));
// Is it of the expected length?
EXPECT_EQ(base64_tests[i].plain_length, decode_str.length());
// Is it the expected decoded value?
EXPECT_EQ(plaintext, decode_str);
// Let's try with a pre-populated string.
std::string encoded("this junk should be ignored");
Base64Escape(
std::string(base64_tests[i].plaintext, base64_tests[i].plain_length),
&encoded);
EXPECT_EQ(encoded, std::string(encode_buffer, cipher_length));
std::string decoded("this junk should be ignored");
EXPECT_TRUE(
Base64Unescape(StringPiece(encode_buffer, cipher_length), &decoded));
EXPECT_EQ(decoded.size(), base64_tests[i].plain_length);
EXPECT_EQ_ARRAY(decoded.size(), decoded, base64_tests[i].plaintext, i);
// Our decoder treats the padding '=' characters at the end as
// optional (but if there are any, there must be the correct
// number of them.) If encode_buffer has any, run some additional
// tests that fiddle with them.
char* first_equals = strchr(encode_buffer, '=');
if (first_equals) {
// How many equals signs does the string start with?
int equals = (*(first_equals+1) == '=') ? 2 : 1;
// Try chopping off the equals sign(s) entirely. The decoder
// should still be okay with this.
std::string decoded2("this junk should also be ignored");
*first_equals = '\0';
EXPECT_TRUE(Base64Unescape(
StringPiece(encode_buffer, first_equals - encode_buffer), &decoded2));
EXPECT_EQ(decoded.size(), base64_tests[i].plain_length);
EXPECT_EQ_ARRAY(decoded.size(), decoded, base64_tests[i].plaintext, i);
// Now test chopping off the equals sign(s) and adding
// whitespace. Our decoder should still accept this.
decoded2.assign("this junk should be ignored");
*first_equals = ' ';
*(first_equals+1) = '\0';
EXPECT_TRUE(Base64Unescape(
StringPiece(encode_buffer, first_equals - encode_buffer + 1),
&decoded2));
EXPECT_EQ(decoded.size(), base64_tests[i].plain_length);
EXPECT_EQ_ARRAY(decoded.size(), decoded, base64_tests[i].plaintext, i);
// Now stick a bad character at the end of the string. The decoder
// should refuse this string.
decoded2.assign("this junk should be ignored");
*first_equals = '?';
*(first_equals+1) = '\0';
EXPECT_TRUE(
!Base64Unescape(
StringPiece(encode_buffer, first_equals - encode_buffer + 1),
&decoded2));
int len;
// Test whitespace mixed with the padding. (eg "AA = = ") The
// decoder should accept this.
if (equals == 2) {
snprintf(first_equals, 6, " = = ");
len = first_equals - encode_buffer + 5;
} else {
snprintf(first_equals, 6, " = ");
len = first_equals - encode_buffer + 3;
}
decoded2.assign("this junk should be ignored");
EXPECT_TRUE(
Base64Unescape(StringPiece(encode_buffer, len), &decoded2));
EXPECT_EQ(decoded.size(), base64_tests[i].plain_length);
EXPECT_EQ_ARRAY(decoded.size(), decoded, base64_tests[i].plaintext, i);
// Test whitespace mixed with the padding, but with the wrong
// number of equals signs (eg "AA = "). The decoder should
// refuse these strings.
if (equals == 1) {
snprintf(first_equals, 6, " = = ");
len = first_equals - encode_buffer + 5;
} else {
snprintf(first_equals, 6, " = ");
len = first_equals - encode_buffer + 3;
}
EXPECT_TRUE(
!Base64Unescape(StringPiece(encode_buffer, len), &decoded2));
}
// Cool! the basic Base64 encoder/decoder works.
// Let's try the alternate alphabet: tr -- '+/' '-_'
char websafe[100];
memset(websafe, 0, sizeof(websafe));
strncpy(websafe, base64_tests[i].ciphertext, cipher_length);
for (int c = 0; c < sizeof(websafe); ++c) {
if ('+' == websafe[c]) { websafe[c] = '-'; }
if ('/' == websafe[c]) { websafe[c] = '_'; }
}
// The websafe escape function:
memset(encode_buffer, 0, sizeof(encode_buffer));
encode_length = WebSafeBase64Escape(unsigned_plaintext,
base64_tests[i].plain_length,
encode_buffer,
sizeof(encode_buffer),
true);
// Is it of the expected length?
EXPECT_EQ(encode_length, cipher_length);
EXPECT_EQ(
CalculateBase64EscapedLen(base64_tests[i].plain_length, true),
encode_length);
// Is it the expected encoded value?
EXPECT_STREQ(encode_buffer, websafe);
// If we encode it into a buffer of exactly the right length...
memset(encode_buffer, 0, sizeof(encode_buffer));
encode_length =
WebSafeBase64Escape(unsigned_plaintext, base64_tests[i].plain_length,
encode_buffer, cipher_length, true);
// Is it still of the expected length?
EXPECT_EQ(encode_length, cipher_length);
// And is the value still correct? (i.e., not losing the last byte)
EXPECT_STREQ(encode_buffer, websafe);
// Let's try the string version of the encoder
encoded = "this junk should be ignored";
WebSafeBase64Escape(
unsigned_plaintext, base64_tests[i].plain_length,
&encoded, true);
EXPECT_EQ(encoded.size(), cipher_length);
EXPECT_STREQ(encoded.c_str(), websafe);
// If we decode it back:
memset(decode_buffer, 0, sizeof(decode_buffer));
decode_length = WebSafeBase64Unescape(encode_buffer, cipher_length,
decode_buffer, sizeof(decode_buffer));
// Is it of the expected length?
EXPECT_EQ(decode_length, base64_tests[i].plain_length);
// Is it the expected decoded value?
EXPECT_EQ(0,
memcmp(decode_buffer, base64_tests[i].plaintext, decode_length));
// If we decode it into a buffer of exactly the right length...
memset(decode_buffer, 0, sizeof(decode_buffer));
decode_length = WebSafeBase64Unescape(encode_buffer, cipher_length,
decode_buffer, decode_length);
// Is it still of the expected length?
EXPECT_EQ(decode_length, base64_tests[i].plain_length);
// And is it the expected decoded value?
EXPECT_EQ(0,
memcmp(decode_buffer, base64_tests[i].plaintext, decode_length));
// Try using '.' for the pad character.
for (int c = cipher_length - 1; c >= 0 && '=' == encode_buffer[c]; --c) {
encode_buffer[c] = '.';
}
// If we decode it back:
memset(decode_buffer, 0, sizeof(decode_buffer));
decode_length = WebSafeBase64Unescape(encode_buffer, cipher_length,
decode_buffer, sizeof(decode_buffer));
// Is it of the expected length?
EXPECT_EQ(decode_length, base64_tests[i].plain_length);
// Is it the expected decoded value?
EXPECT_EQ(0,
memcmp(decode_buffer, base64_tests[i].plaintext, decode_length));
// If we decode it into a buffer of exactly the right length...
memset(decode_buffer, 0, sizeof(decode_buffer));
decode_length = WebSafeBase64Unescape(encode_buffer, cipher_length,
decode_buffer, decode_length);
// Is it still of the expected length?
EXPECT_EQ(decode_length, base64_tests[i].plain_length);
// And is it the expected decoded value?
EXPECT_EQ(0,
memcmp(decode_buffer, base64_tests[i].plaintext, decode_length));
// Let's try the string version of the decoder
decoded = "this junk should be ignored";
EXPECT_TRUE(WebSafeBase64Unescape(StringPiece(encode_buffer, cipher_length),
&decoded));
EXPECT_EQ(decoded.size(), base64_tests[i].plain_length);
EXPECT_EQ_ARRAY(decoded.size(), decoded, base64_tests[i].plaintext, i);
// Okay! the websafe Base64 encoder/decoder works.
// Let's try the unpadded version
for (int c = 0; c < sizeof(websafe); ++c) {
if ('=' == websafe[c]) {
websafe[c] = '\0';
cipher_length = c;
break;
}
}
// The websafe escape function:
memset(encode_buffer, 0, sizeof(encode_buffer));
encode_length = WebSafeBase64Escape(unsigned_plaintext,
base64_tests[i].plain_length,
encode_buffer,
sizeof(encode_buffer),
false);
// Is it of the expected length?
EXPECT_EQ(encode_length, cipher_length);
EXPECT_EQ(
CalculateBase64EscapedLen(base64_tests[i].plain_length, false),
encode_length);
// Is it the expected encoded value?
EXPECT_STREQ(encode_buffer, websafe);
// If we encode it into a buffer of exactly the right length...
memset(encode_buffer, 0, sizeof(encode_buffer));
encode_length =
WebSafeBase64Escape(unsigned_plaintext, base64_tests[i].plain_length,
encode_buffer, cipher_length, false);
// Is it still of the expected length?
EXPECT_EQ(encode_length, cipher_length);
// And is the value still correct? (i.e., not losing the last byte)
EXPECT_STREQ(encode_buffer, websafe);
// Let's try the (other) string version of the encoder
std::string plain(base64_tests[i].plaintext, base64_tests[i].plain_length);
encoded = "this junk should be ignored";
WebSafeBase64Escape(plain, &encoded);
EXPECT_EQ(encoded.size(), cipher_length);
EXPECT_STREQ(encoded.c_str(), websafe);
// If we decode it back:
memset(decode_buffer, 0, sizeof(decode_buffer));
decode_length = WebSafeBase64Unescape(encode_buffer, cipher_length,
decode_buffer, sizeof(decode_buffer));
// Is it of the expected length?
EXPECT_EQ(decode_length, base64_tests[i].plain_length);
// Is it the expected decoded value?
EXPECT_EQ(0,
memcmp(decode_buffer, base64_tests[i].plaintext, decode_length));
// If we decode it into a buffer of exactly the right length...
memset(decode_buffer, 0, sizeof(decode_buffer));
decode_length = WebSafeBase64Unescape(encode_buffer, cipher_length,
decode_buffer, decode_length);
// Is it still of the expected length?
EXPECT_EQ(decode_length, base64_tests[i].plain_length);
// And is it the expected decoded value?
EXPECT_EQ(0,
memcmp(decode_buffer, base64_tests[i].plaintext, decode_length));
// Let's try the string version of the decoder
decoded = "this junk should be ignored";
EXPECT_TRUE(WebSafeBase64Unescape(StringPiece(encode_buffer, cipher_length),
&decoded));
EXPECT_EQ(decoded.size(), base64_tests[i].plain_length);
EXPECT_EQ_ARRAY(decoded.size(), decoded, base64_tests[i].plaintext, i);
// This value works. Try the next.
}
// Now try the long strings, this tests the streaming
for (int i = 0; i < sizeof(base64_strings) / sizeof(base64_strings[0]);
++i) {
const unsigned char* unsigned_plaintext =
reinterpret_cast<const unsigned char*>(base64_strings[i].plaintext);
int plain_length = strlen(base64_strings[i].plaintext);
int cipher_length = strlen(base64_strings[i].ciphertext);
std::vector<char> buffer(cipher_length + 1);
int encode_length = WebSafeBase64Escape(unsigned_plaintext,
plain_length,
&buffer[0],
buffer.size(),
false);
EXPECT_EQ(cipher_length, encode_length);
EXPECT_EQ(
CalculateBase64EscapedLen(plain_length, false), encode_length);
buffer[ encode_length ] = '\0';
EXPECT_STREQ(base64_strings[i].ciphertext, &buffer[0]);
}
// Verify the behavior when decoding bad data
{
const char* bad_data = "ab-/";
std::string buf;
EXPECT_FALSE(Base64Unescape(StringPiece(bad_data), &buf));
EXPECT_TRUE(!WebSafeBase64Unescape(bad_data, &buf));
EXPECT_TRUE(buf.empty());
}
}
// Test StrCat of ints and longs of various sizes and signdedness.
TEST(StrCat, Ints) {
const short s = -1; // NOLINT(runtime/int)
const uint16_t us = 2;
const int i = -3;
const unsigned int ui = 4;
const long l = -5; // NOLINT(runtime/int)
const unsigned long ul = 6; // NOLINT(runtime/int)
const long long ll = -7; // NOLINT(runtime/int)
const unsigned long long ull = 8; // NOLINT(runtime/int)
const ptrdiff_t ptrdiff = -9;
const size_t size = 10;
const intptr_t intptr = -12;
const uintptr_t uintptr = 13;
std::string answer;
answer = StrCat(s, us);
EXPECT_EQ(answer, "-12");
answer = StrCat(i, ui);
EXPECT_EQ(answer, "-34");
answer = StrCat(l, ul);
EXPECT_EQ(answer, "-56");
answer = StrCat(ll, ull);
EXPECT_EQ(answer, "-78");
answer = StrCat(ptrdiff, size);
EXPECT_EQ(answer, "-910");
answer = StrCat(ptrdiff, intptr);
EXPECT_EQ(answer, "-9-12");
answer = StrCat(uintptr, 0);
EXPECT_EQ(answer, "130");
}
class ReplaceChars
: public ::testing::TestWithParam<
std::tuple<std::string, std::string, const char*, char>> {};
TEST_P(ReplaceChars, ReplacesAllOccurencesOfAnyCharInReplaceWithAReplaceChar) {
std::string expected = std::get<0>(GetParam());
std::string string_to_replace_in = std::get<1>(GetParam());
const char* what_to_replace = std::get<2>(GetParam());
char replacement = std::get<3>(GetParam());
ReplaceCharacters(&string_to_replace_in, what_to_replace, replacement);
ASSERT_EQ(expected, string_to_replace_in);
}
INSTANTIATE_TEST_CASE_P(
Replace, ReplaceChars,
::testing::Values(
std::make_tuple("", "", "", '_'), // empty string should remain empty
std::make_tuple(" ", " ", "", '_'), // no replacement string
std::make_tuple(" ", " ", "_-abcedf",
'*'), // replacement character not in string
std::make_tuple("replace", "Replace", "R",
'r'), // replace one character
std::make_tuple("not_spaces__", "not\nspaces\t ", " \t\r\n",
'_'), // replace some special characters
std::make_tuple("c++", "cxx", "x",
'+'), // same character multiple times
std::make_tuple("qvvvvvng v T", "queueing a T", "aeiou",
'v'))); // replace all voewls
class StripWs
: public ::testing::TestWithParam<std::tuple<std::string, std::string>> {};
TEST_P(StripWs, AlwaysStripsLeadingAndTrailingWhitespace) {
std::string expected = std::get<0>(GetParam());
std::string string_to_strip = std::get<1>(GetParam());
StripWhitespace(&string_to_strip);
ASSERT_EQ(expected, string_to_strip);
}
INSTANTIATE_TEST_CASE_P(
Strip, StripWs,
::testing::Values(
std::make_tuple("", ""), // empty string should remain empty
std::make_tuple("", " "), // only ws should become empty
std::make_tuple("no whitespace",
" no whitespace"), // leading ws removed
std::make_tuple("no whitespace",
"no whitespace "), // trailing ws removed
std::make_tuple("no whitespace",
" no whitespace "), // same nb. of leading and trailing
std::make_tuple(
"no whitespace",
" no whitespace "), // different nb. of leading/trailing
std::make_tuple("no whitespace",
" no whitespace "))); // more trailing than leading
} // anonymous namespace
} // namespace protobuf
} // namespace google
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