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<?php
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
namespace tests\unit;
use Calculator;
class CalculatorTest extends \Codeception\TestCase\Test {
/**
* @var UnitTester
*/
protected $tester;
/**
* @var Calculator
*/
private $calculator;
protected function setUp() {
$this->calculator = new Calculator();
}
protected function tearDown() {
}
protected function _before() {
}
protected function _after() {
}
// tests
public function testPlus() {
$this->assertEquals(1, $this->calculator->plus(-1, 2));
$this->assertEquals(2, $this->calculator->plus(1, 1));
$this->assertEquals(1, $this->calculator->plus(2, -1));
$this->assertEquals(-10, $this->calculator->plus(0, -10));
$this->assertEquals(10, $this->calculator->plus(10, -0));
}
public function testMinus() {
$this->assertEquals(0, $this->calculator->minus(0, 0));
$this->assertEquals(0, $this->calculator->minus(1, 1));
$this->assertEquals(-1, $this->calculator->minus(0, 1));
$this->assertEquals(1, $this->calculator->minus(1, 0));
$this->assertEquals(-3, $this->calculator->minus(-2, 1));
$this->assertEquals(4, $this->calculator->minus(1, -3));
$this->assertEquals(1, $this->calculator->minus(-2, -3));
}
public function testMultiply() {
$this->assertEquals(6, $this->calculator->multiply(2, 3));
$this->assertEquals(0, $this->calculator->multiply(0, 3));
$this->assertEquals(0, $this->calculator->multiply(3, 0));
$this->assertEquals(-9, $this->calculator->multiply(3, -3));
$this->assertEquals(-6, $this->calculator->multiply(-3, 2));
$this->assertEquals(12, $this->calculator->multiply(-3, -4));
}
public function testDivide() {
$this->assertEquals(0, $this->calculator->divide(0, 3));
$this->assertEquals(2, $this->calculator->divide(6, 3));
$this->assertEquals(-4, $this->calculator->divide(-12, 3));
$this->assertEquals(-1, $this->calculator->divide(3, -3));
$this->assertEquals(3, $this->calculator->divide(-9, -3));
}
/**
* @expectedException InvalidArgumentException
*/
public function testDivideZero() {
$this->calculator->divide(6, 0);
}
}
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