/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 K. Isom <coder@kyleisom.net>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * copy of this  software and associated documentation  files (the "Software"),
 * to deal  in the Software  without restriction, including  without limitation
 * the rights  to use,  copy, modify,  merge, publish,  distribute, sublicense,
 * and/or  sell copies  of the  Software,  and to  permit persons  to whom  the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS  PROVIDED "AS IS", WITHOUT WARRANTY OF  ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING  BUT NOT  LIMITED TO  THE WARRANTIES  OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND  NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS  OR COPYRIGHT  HOLDERS BE  LIABLE FOR  ANY CLAIM,  DAMAGES OR  OTHER
 * LIABILITY,  WHETHER IN  AN ACTION  OF CONTRACT,  TORT OR  OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */


#include "emsha/sha256.h"
#include <cassert>
#include <iostream>

#include "test_utils.h"

using namespace std;


// Tests taken from the Go SHA-256 package.
const struct hashTest goldenTests[] = {
	{"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", ""},
	{"ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb", "a"},
	{"fb8e20fc2e4c3f248c60c39bd652f3c1347298bb977b8b4d5903b85055620603", "ab"},
	{"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad", "abc"},
	{"88d4266fd4e6338d13b845fcf289579d209c897823b9217da3e161936f031589", "abcd"},
	{"36bbe50ed96841d10443bcb670d6554f0a34b761be67ec9c4a8ad2c0c44ca42c", "abcde"},
	{"bef57ec7f53a6d40beb640a780a639c83bc29ac8a9816f1fc6c5c6dcd93c4721", "abcdef"},
	{"7d1a54127b222502f5b79b5fb0803061152a44f92b37e23c6527baf665d4da9a", "abcdefg"},
	{"9c56cc51b374c3ba189210d5b6d4bf57790d351c96c47c02190ecf1e430635ab", "abcdefgh"},
	{"19cc02f26df43cc571bc9ed7b0c4d29224a3ec229529221725ef76d021c8326f", "abcdefghi"},
	{"72399361da6a7754fec986dca5b7cbaf1c810a28ded4abaf56b2106d06cb78b0", "abcdefghij"},
	{"a144061c271f152da4d151034508fed1c138b8c976339de229c3bb6d4bbb4fce", "Discard medicine more than two years old."},
	{"6dae5caa713a10ad04b46028bf6dad68837c581616a1589a265a11288d4bb5c4", "He who has a shady past knows that nice guys finish last."},
	{"ae7a702a9509039ddbf29f0765e70d0001177914b86459284dab8b348c2dce3f", "I wouldn't marry him with a ten foot pole."},
	{"6748450b01c568586715291dfa3ee018da07d36bb7ea6f180c1af6270215c64f", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave"},
	{"14b82014ad2b11f661b5ae6a99b75105c2ffac278cd071cd6c05832793635774", "The days of the digital watch are numbered.  -Tom Stoppard"},
	{"7102cfd76e2e324889eece5d6c41921b1e142a4ac5a2692be78803097f6a48d8", "Nepal premier won't resign."},
	{"23b1018cd81db1d67983c5f7417c44da9deb582459e378d7a068552ea649dc9f", "For every action there is an equal and opposite government program."},
	{"8001f190dfb527261c4cfcab70c98e8097a7a1922129bc4096950e57c7999a5a", "His money is twice tainted: 'taint yours and 'taint mine."},
	{"8c87deb65505c3993eb24b7a150c4155e82eee6960cf0c3a8114ff736d69cad5", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977"},
	{"bfb0a67a19cdec3646498b2e0f751bddc41bba4b7f30081b0b932aad214d16d7", "It's a tiny change to the code and not completely disgusting. - Bob Manchek"},
	{"7f9a0b9bf56332e19f5a0ec1ad9c1425a153da1c624868fda44561d6b74daf36", "size:  a.out:  bad magic"},
	{"b13f81b8aad9e3666879af19886140904f7f429ef083286195982a7588858cfc", "The major problem is with sendmail.  -Mark Horton"},
	{"b26c38d61519e894480c70c8374ea35aa0ad05b2ae3d6674eec5f52a69305ed4", "Give me a rock, paper and scissors and I will move the world.  CCFestoon"},
	{"049d5e26d4f10222cd841a119e38bd8d2e0d1129728688449575d4ff42b842c1", "If the enemy is within range, then so are you."},
	{"0e116838e3cc1c1a14cd045397e29b4d087aa11b0853fc69ec82e90330d60949", "It's well we cannot hear the screams/That we create in others' dreams."},
	{"4f7d8eb5bcf11de2a56b971021a444aa4eafd6ecd0f307b5109e4e776cd0fe46", "You remind me of a TV show, but that's all right: I watch it anyway."},
	{"61c0cc4c4bd8406d5120b3fb4ebc31ce87667c162f29468b3c779675a85aebce", "C is as portable as Stonehedge!!"},
	{"1fb2eb3688093c4a3f80cd87a5547e2ce940a4f923243a79a2a1e242220693ac", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley"},
	{"395585ce30617b62c80b93e8208ce866d4edc811a177fdb4b82d3911d8696423", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction.  Lewis-Randall Rule"},
	{"4f9b189a13d030838269dce846b16a1ce9ce81fe63e65de2f636863336a98fe6", "How can you write a big system without C++?  -Paul Glick"},
};

static constexpr auto numGoldenTests = sizeof goldenTests / sizeof goldenTests[0];
static const std::string labelGoldenTests = "golden tests";

int
main()
{
#ifdef EMSHA_NO_SELFTEST
	cout << "[NOTICE] internal self-tests have been disabled.\n";
#else
	auto selfTestStatus = emsha::SHA256SelfTest();
	switch (selfTestStatus) {
	case emsha::EMSHAResult::OK:
		cout << "PASSED: SHA-256 self test\n";
		break;
	case emsha::EMSHAResult::TestFailure:
		cout << "FAILED: SHA-256 self-test\n";
		break;
	case emsha::EMSHAResult::Unknown:
		cout << "FAILED: SHA-256 self test (fault: Unknown)\n";
		break;
	case emsha::EMSHAResult::NullPointer:
		cout << "FAILED: SHA-256 self test (fault: NullPointer)\n";
		break;
	case emsha::EMSHAResult::InvalidState:
		cout << "FAILED: SHA-256 self test (fault: InvalidState)\n";
		break;
	case emsha::EMSHAResult::InputTooLong:
		cout << "FAILED: SHA-256 self test (fault: InputTooLong)\n";
		break;
	case emsha::EMSHAResult::SelfTestDisabled:
		cout << "FAILED: SHA-256 self test (fault: SelfTestDisabled)\n";
		break;
	default:
		cout << "FAILED: SHA-256 self test (fault: internal system failure)\n";
		abort();
	}
	assert(selfTestStatus == emsha::EMSHAResult::OK);
#endif


	auto res = runHashTests(static_cast<const hashTest *>(goldenTests),
				numGoldenTests, labelGoldenTests);
	if (res == -1) {
		exit(1);
	}

	exit(0);
}