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<?php
namespace Hamcrest\Core;
class DummyToStringClass
{
private $_arg;
public function __construct($arg)
{
$this->_arg = $arg;
}
public function __toString()
{
return $this->_arg;
}
}
class IsEqualTest extends \Hamcrest\AbstractMatcherTestCase
{
protected function createMatcher()
{
return \Hamcrest\Core\IsEqual::equalTo('irrelevant');
}
public function testComparesObjectsUsingEqualityOperator()
{
assertThat("hi", equalTo("hi"));
assertThat("bye", not(equalTo("hi")));
assertThat(1, equalTo(1));
assertThat(1, not(equalTo(2)));
assertThat("2", equalTo(2));
}
public function testCanCompareNullValues()
{
assertThat(null, equalTo(null));
assertThat(null, not(equalTo('hi')));
assertThat('hi', not(equalTo(null)));
}
public function testComparesTheElementsOfAnArray()
{
$s1 = array('a', 'b');
$s2 = array('a', 'b');
$s3 = array('c', 'd');
$s4 = array('a', 'b', 'c', 'd');
assertThat($s1, equalTo($s1));
assertThat($s2, equalTo($s1));
assertThat($s3, not(equalTo($s1)));
assertThat($s4, not(equalTo($s1)));
}
public function testComparesTheElementsOfAnArrayOfPrimitiveTypes()
{
$i1 = array(1, 2);
$i2 = array(1, 2);
$i3 = array(3, 4);
$i4 = array(1, 2, 3, 4);
assertThat($i1, equalTo($i1));
assertThat($i2, equalTo($i1));
assertThat($i3, not(equalTo($i1)));
assertThat($i4, not(equalTo($i1)));
}
public function testRecursivelyTestsElementsOfArrays()
{
$i1 = array(array(1, 2), array(3, 4));
$i2 = array(array(1, 2), array(3, 4));
$i3 = array(array(5, 6), array(7, 8));
$i4 = array(array(1, 2, 3, 4), array(3, 4));
assertThat($i1, equalTo($i1));
assertThat($i2, equalTo($i1));
assertThat($i3, not(equalTo($i1)));
assertThat($i4, not(equalTo($i1)));
}
public function testIncludesTheResultOfCallingToStringOnItsArgumentInTheDescription()
{
$argumentDescription = 'ARGUMENT DESCRIPTION';
$argument = new \Hamcrest\Core\DummyToStringClass($argumentDescription);
$this->assertDescription('<' . $argumentDescription . '>', equalTo($argument));
}
public function testReturnsAnObviousDescriptionIfCreatedWithANestedMatcherByMistake()
{
$innerMatcher = equalTo('NestedMatcher');
$this->assertDescription('<' . (string) $innerMatcher . '>', equalTo($innerMatcher));
}
public function testReturnsGoodDescriptionIfCreatedWithNullReference()
{
$this->assertDescription('null', equalTo(null));
}
}
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