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test-base64.cpp
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#include "unittestframework.h"
#include <cpputils/base64encoder.h>
#include <cpputils/base64encoder.h>
#include <array>
TEST_CASE("base64") {
enum {
E=1, // encode must succeed.
NP=8, // encode without padding.
D=2, // decode must succeed.
FD=4, // decode must fail.
};
struct testent {
std::vector<uint8_t> data;
int flags;
std::string txt;
};
std::vector<testent> testcases = {
{ { }, E|D, "" },
{ { }, E|D|NP, "" },
{ { }, D, "\n" },
{ { }, D, "\t" },
{ { }, FD, "." },
{ { }, FD, "A" },
{ { }, FD, "A=" },
{ { }, FD, "A==" },
{ { }, FD, "A===" },
{ { }, FD, "AAAAA" },
{ { }, FD, "AAAAA=" },
{ { }, FD, "AAAAA==" },
{ { }, FD, "AAAAA===" },
{ { }, D, "\t" },
{ { }, D, "=" },
{ { }, D, "==" },
{ { }, D, "===" },
// from rfc4648
{ { 0x66 }, E|D, "Zg==" },
{ { 0x66,0x6f }, E|D, "Zm8=" },
{ { 0x66,0x6f,0x6f }, E|D, "Zm9v" },
{ { 0x66,0x6f,0x6f,0x62 }, E|D, "Zm9vYg==" },
{ { 0x66,0x6f,0x6f,0x62,0x61 }, E|D, "Zm9vYmE=" },
{ { 0x66,0x6f,0x6f,0x62,0x61,0x72 }, E|D, "Zm9vYmFy" },
// without padding
{ { 0x66 }, E|D|NP, "Zg" },
{ { 0x66,0x6f }, E|D|NP, "Zm8" },
{ { 0x66,0x6f,0x6f }, E|D|NP, "Zm9v" },
{ { 0x66,0x6f,0x6f,0x62 }, E|D|NP, "Zm9vYg" },
{ { 0x66,0x6f,0x6f,0x62,0x61 }, E|D|NP, "Zm9vYmE" },
{ { 0x66,0x6f,0x6f,0x62,0x61,0x72 }, E|D|NP, "Zm9vYmFy" },
{ { 0x00 }, E|D|NP, "AA" },
{ { 0x00, 0x00 }, E|D|NP, "AAA" },
{ { 0x00, 0x00, 0x00 }, E|D|NP, "AAAA" },
{ { 0x00, 0x00, 0x00, 0x00 }, E|D|NP, "AAAAAA" },
{ { 0x00, 0x00, 0x00, 0x00, 0x00 }, E|D|NP, "AAAAAAA" },
{ { 0x00 }, E|D, "AA==" },
{ { 0x00, 0x00 }, E|D, "AAA=" },
{ { 0x00, 0x00, 0x00 }, E|D, "AAAA" },
{ { 0x00, 0x00, 0x00, 0x00 }, E|D, "AAAAAA==" },
{ { 0x00, 0x00, 0x00, 0x00, 0x00 }, E|D, "AAAAAAA=" },
{ { 0x00, 0x00, 0x00, 0x00, 0x00 }, D, "AAAAAAA=\n" },
{ { 0x00, 0x00, 0x00, 0x00, 0x00 }, D, "AAAA\nAAA=\n" },
{ { 0x00, 0x00, 0x00, 0x00, 0x00 }, D, "\tAAAA\nAAA=\n" },
{ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, E|D, "AAAAAAAA" },
{ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, D, "AAAA\nAAAA" },
{ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, D, "AAAA\nAAAA\n" },
{ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, D, "AAAA\nAAAA=\n" },
{ { 0xff, 0xff, 0xff, 0xff, 0xff }, D, "//////8=\n" },
{ { 0xff, 0xff, 0xff, 0xff, 0xff }, D, "////\n//8=\n" },
{ { 0xff, 0xff, 0xff, 0xff, 0xff }, D, "\t////\n//8=\n" },
{ { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, E|D, "////////" },
{ { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, D, "////\n////" },
{ { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, D, "////\n////\n" },
{ { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, D, "////\n////=\n" },
{ { 0xff }, E|D, "/w==" },
{ { 0xff, 0xff }, E|D, "//8=" },
{ { 0xff, 0xff, 0xff }, E|D, "////" },
{ { 0xff, 0xff, 0xff, 0xff }, E|D, "/////w==" },
{ { 0xff, 0xff, 0xff, 0xff, 0xff }, E|D, "//////8=" },
{ { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, E|D, "////////" },
{ { 0x00, 0x10, 0x83, 0x10, 0x51, 0x87, 0x20, 0x92, 0x8b, 0x30, 0xd3, 0x8f, 0x41, 0x14, 0x93, 0x51, 0x55, 0x97, 0x61, 0x96, 0x9b, 0x71, 0xd7, 0x9f, 0x82, 0x18, 0xa3, 0x92, 0x59, 0xa7, 0xa2, 0x9a, 0xab, 0xb2, 0xdb, 0xaf, 0xc3, 0x1c, 0xb3, 0xd3, 0x5d, 0xb7, 0xe3, 0x9e, 0xbb, 0xf3, 0xdf, 0xbf },
E|D, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/" },
{ { 0xff, 0xef, 0x7c, 0xef, 0xae, 0x78, 0xdf, 0x6d, 0x74, 0xcf, 0x2c, 0x70, 0xbe, 0xeb, 0x6c, 0xae, 0xaa, 0x68, 0x9e, 0x69, 0x64, 0x8e, 0x28, 0x60, 0x7d, 0xe7, 0x5c, 0x6d, 0xa6, 0x58, 0x5d, 0x65, 0x54, 0x4d, 0x24, 0x50, 0x3c, 0xe3, 0x4c, 0x2c, 0xa2, 0x48, 0x1c, 0x61, 0x44, 0x0c, 0x20, 0x40 },
E|D, "/+9876543210zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA" },
{ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff },
E|D, "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIjJCUmJygpKissLS4vMDEyMzQ1Njc4OTo7PD0+P0BBQkNERUZHSElKS0xNTk9QUVJTVFVWV1hZWltcXV5fYGFiY2RlZmdoaWprbG1ub3BxcnN0dXZ3eHl6e3x9fn+AgYKDhIWGh4iJiouMjY6PkJGSk5SVlpeYmZqbnJ2en6ChoqOkpaanqKmqq6ytrq+wsbKztLW2t7i5uru8vb6/wMHCw8TFxsfIycrLzM3Oz9DR0tPU1dbX2Nna29zd3t/g4eLj5OXm5+jp6uvs7e7v8PHy8/T19vf4+fr7/P3+/w==" },
{ { 0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8, 0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0, 0xef, 0xee, 0xed, 0xec, 0xeb, 0xea, 0xe9, 0xe8, 0xe7, 0xe6, 0xe5, 0xe4, 0xe3, 0xe2, 0xe1, 0xe0, 0xdf, 0xde, 0xdd, 0xdc, 0xdb, 0xda, 0xd9, 0xd8, 0xd7, 0xd6, 0xd5, 0xd4, 0xd3, 0xd2, 0xd1, 0xd0, 0xcf, 0xce, 0xcd, 0xcc, 0xcb, 0xca, 0xc9, 0xc8, 0xc7, 0xc6, 0xc5, 0xc4, 0xc3, 0xc2, 0xc1, 0xc0, 0xbf, 0xbe, 0xbd, 0xbc, 0xbb, 0xba, 0xb9, 0xb8, 0xb7, 0xb6, 0xb5, 0xb4, 0xb3, 0xb2, 0xb1, 0xb0, 0xaf, 0xae, 0xad, 0xac, 0xab, 0xaa, 0xa9, 0xa8, 0xa7, 0xa6, 0xa5, 0xa4, 0xa3, 0xa2, 0xa1, 0xa0, 0x9f, 0x9e, 0x9d, 0x9c, 0x9b, 0x9a, 0x99, 0x98, 0x97, 0x96, 0x95, 0x94, 0x93, 0x92, 0x91, 0x90, 0x8f, 0x8e, 0x8d, 0x8c, 0x8b, 0x8a, 0x89, 0x88, 0x87, 0x86, 0x85, 0x84, 0x83, 0x82, 0x81, 0x80, 0x7f, 0x7e, 0x7d, 0x7c, 0x7b, 0x7a, 0x79, 0x78, 0x77, 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x70, 0x6f, 0x6e, 0x6d, 0x6c, 0x6b, 0x6a, 0x69, 0x68, 0x67, 0x66, 0x65, 0x64, 0x63, 0x62, 0x61, 0x60, 0x5f, 0x5e, 0x5d, 0x5c, 0x5b, 0x5a, 0x59, 0x58, 0x57, 0x56, 0x55, 0x54, 0x53, 0x52, 0x51, 0x50, 0x4f, 0x4e, 0x4d, 0x4c, 0x4b, 0x4a, 0x49, 0x48, 0x47, 0x46, 0x45, 0x44, 0x43, 0x42, 0x41, 0x40, 0x3f, 0x3e, 0x3d, 0x3c, 0x3b, 0x3a, 0x39, 0x38, 0x37, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0x30, 0x2f, 0x2e, 0x2d, 0x2c, 0x2b, 0x2a, 0x29, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0x20, 0x1f, 0x1e, 0x1d, 0x1c, 0x1b, 0x1a, 0x19, 0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0f, 0x0e, 0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00 },
E|D, "//79/Pv6+fj39vX08/Lx8O/u7ezr6uno5+bl5OPi4eDf3t3c29rZ2NfW1dTT0tHQz87NzMvKycjHxsXEw8LBwL++vby7urm4t7a1tLOysbCvrq2sq6qpqKempaSjoqGgn56dnJuamZiXlpWUk5KRkI+OjYyLiomIh4aFhIOCgYB/fn18e3p5eHd2dXRzcnFwb25tbGtqaWhnZmVkY2JhYF9eXVxbWllYV1ZVVFNSUVBPTk1MS0pJSEdGRURDQkFAPz49PDs6OTg3NjU0MzIxMC8uLSwrKikoJyYlJCMiISAfHh0cGxoZGBcWFRQTEhEQDw4NDAsKCQgHBgUEAwIBAA==" },
{ { 0xff }, E|D|NP, "/w" },
{ { 0xff, 0xff }, E|D|NP, "//8" },
{ { 0xff, 0xff, 0xff }, E|D|NP, "////" },
{ { 0xff, 0xff, 0xff, 0xff }, E|D|NP, "/////w" },
{ { 0xff, 0xff, 0xff, 0xff, 0xff }, E|D|NP, "//////8" },
};
SECTION("cases") {
for (auto& ent : testcases) {
if (ent.flags&E) {
if (ent.flags&NP) {
auto e = base64_encode_unpadded(ent.data);
CHECK(e == ent.txt);
}
else {
auto e = base64_encode(ent.data);
CHECK(e == ent.txt);
}
}
if (ent.flags&D) {
auto d = base64_decode(ent.txt);
CHECK(d == ent.data);
}
if (ent.flags&FD) {
CHECK_THROWS(base64_decode(ent.txt));
}
}
}
SECTION("types") {
std::array<uint8_t, 3> a = { 0, 1, 2 };
CHECK( base64_encode(a) == "AAEC" );
std::vector<uint8_t> v = { 0, 1, 2 };
CHECK( base64_encode(v) == "AAEC" );
std::basic_string<uint8_t> bs = { 0, 1, 2 };
CHECK( base64_encode(bs) == "AAEC" );
#if __cplusplus >= 201703L
CHECK( base64_encode((std::basic_string_view<uint8_t>)bs ) == "AAEC" );
#endif
std::vector<int> iv = { 0, 1, 2 };
CHECK( base64_encode(iv) == "AAEC" );
std::string txt = "aaaa";
CHECK( base64_decode(txt) == std::vector<uint8_t>{0x69, 0xa6, 0x9a} );
#if __cplusplus >= 201703L
CHECK( base64_decode((std::string_view)txt) == std::vector<uint8_t>{0x69, 0xa6, 0x9a} );
#endif
std::basic_string<int> itxt = { 'a', 'a', 'a', 'a' };
CHECK( base64_decode(itxt) == std::vector<uint8_t>{0x69, 0xa6, 0x9a} );
#if __cplusplus >= 201703L
CHECK( base64_decode((std::basic_string_view<int>)itxt) == std::vector<uint8_t>{0x69, 0xa6, 0x9a} );
#endif
std::basic_string<uint8_t> btxt = { 'a', 'a', 'a', 'a' };
CHECK( base64_decode(btxt) == std::vector<uint8_t>{0x69, 0xa6, 0x9a} );
#if __cplusplus >= 201703L
CHECK( base64_decode((std::basic_string_view<uint8_t>)btxt) == std::vector<uint8_t>{0x69, 0xa6, 0x9a} );
#endif
}
SECTION("invalid") {
std::string txt = "x";
for (int i = 0 ; i < 256 ; i++)
{
if (i == '\t' || i == '\n' || i == '\r' || i == 0xc || i == ' '
|| (i>='0' && i<='9')
|| (i>='a' && i<='z')
|| (i>='A' && i<='Z')
|| i=='=' || i=='/' || i=='+')
continue;
txt[0] = i;
INFO("checking char " << i);
CHECK_THROWS( base64_decode(txt) );
}
}
}