104 lines
4.7 KiB
PHP
104 lines
4.7 KiB
PHP
<?php
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/**
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* @license Copyright 2011-2015 BitPay Inc., MIT License
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* see https://github.com/bitpay/php-bitpay-client/blob/master/LICENSE
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*/
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namespace Bitpay\Math;
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class GmpEngineTest extends \PHPUnit_Framework_TestCase
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{
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private $a;
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private $b;
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private $c;
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private $math;
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/**
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* @requires extension gmp
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*/
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protected function setUp()
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{
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$this->a = 1234;
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$this->b = '1234123412341234123412341234123412412341234213412421341342342';
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$this->c = '0x1234123412341234123412341234123412412341234213412421341342342';
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if (!extension_loaded('gmp')) {
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$this->markTestSkipped('The GMP extension is NOT loaded! You must enable it to run this test');
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} else {
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$this->math = new GmpEngine();
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}
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}
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public function testAdd()
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{
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$this->assertEquals(gmp_strval(gmp_add($this->a, $this->a)), $this->math->add($this->a, $this->a));
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$this->assertEquals(gmp_strval(gmp_add($this->b, $this->b)), $this->math->add($this->b, $this->b));
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$this->assertEquals(gmp_strval(gmp_add($this->c, $this->c)), $this->math->add($this->c, $this->c));
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$this->assertEquals(2, $this->math->add(1, 1));
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}
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public function testCmp()
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{
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$this->assertEquals(gmp_strval(gmp_cmp($this->a, $this->a)), $this->math->cmp($this->a, $this->a));
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$this->assertEquals(gmp_strval(gmp_cmp($this->b, $this->b)), $this->math->cmp($this->b, $this->b));
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$this->assertEquals(gmp_strval(gmp_cmp($this->c, $this->c)), $this->math->cmp($this->c, $this->c));
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$this->assertEquals(0, $this->math->cmp(1, 1));
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}
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public function testDiv()
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{
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$this->assertEquals(gmp_strval(gmp_div($this->a, $this->a)), $this->math->div($this->a, $this->a));
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$this->assertEquals(gmp_strval(gmp_div($this->b, $this->b)), $this->math->div($this->b, $this->b));
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$this->assertEquals(gmp_strval(gmp_div($this->c, $this->c)), $this->math->div($this->c, $this->c));
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$this->assertEquals(1, $this->math->div(1, 1));
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}
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public function testInvertm()
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{
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$this->assertEquals(gmp_strval(gmp_invert($this->a, $this->a)), $this->math->invertm($this->a, $this->a));
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$this->assertEquals(gmp_strval(gmp_invert($this->b, $this->b)), $this->math->invertm($this->b, $this->b));
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$this->assertEquals(gmp_strval(gmp_invert($this->c, $this->c)), $this->math->invertm($this->c, $this->c));
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$this->assertEquals(0, $this->math->invertm(1, 1));
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$o = '2';
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$p = '0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f';
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$this->assertEquals('57896044618658097711785492504343953926634992332820282019728792003954417335832', $this->math->invertm($o, $p));
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$o = '-207267379875244730201206352791949018434229233557197871725317424106240926035466';
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$p = '0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f';
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$this->assertEquals('93736451599995461267424215486556527005103980679329099329644578865571485201981', $this->math->invertm($o, $p));
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}
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public function testMod()
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{
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$this->assertEquals(gmp_strval(gmp_mod($this->a, $this->a)), $this->math->mod($this->a, $this->a));
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$this->assertEquals(gmp_strval(gmp_mod($this->b, $this->b)), $this->math->mod($this->b, $this->b));
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$this->assertEquals(gmp_strval(gmp_mod($this->c, $this->c)), $this->math->mod($this->c, $this->c));
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$this->assertEquals(0, $this->math->mod(1, 1));
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}
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public function testMul()
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{
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$this->assertEquals(gmp_strval(gmp_mul($this->a, $this->a)), $this->math->mul($this->a, $this->a));
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$this->assertEquals(gmp_strval(gmp_mul($this->b, $this->b)), $this->math->mul($this->b, $this->b));
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$this->assertEquals(gmp_strval(gmp_mul($this->c, $this->c)), $this->math->mul($this->c, $this->c));
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$this->assertEquals(1, $this->math->mul(1, 1));
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}
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public function testPow()
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{
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$this->assertEquals(gmp_strval(gmp_pow($this->a, $this->a)), $this->math->pow($this->a, $this->a));
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$this->assertEquals(gmp_strval(gmp_pow($this->b, $this->b)), $this->math->pow($this->b, $this->b));
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$this->assertEquals(gmp_strval(gmp_pow($this->c, $this->c)), $this->math->pow($this->c, $this->c));
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$this->assertEquals(1, $this->math->pow(1, 1));
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}
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public function testSub()
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{
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$this->assertEquals(gmp_strval(gmp_sub($this->a, $this->a)), $this->math->sub($this->a, $this->a));
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$this->assertEquals(gmp_strval(gmp_sub($this->b, $this->b)), $this->math->sub($this->b, $this->b));
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$this->assertEquals(gmp_strval(gmp_sub($this->c, $this->c)), $this->math->sub($this->c, $this->c));
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$this->assertEquals(0, $this->math->sub(1, 1));
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}
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}
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