<?php
namespace Hamcrest\Type;
class IsDoubleTest extends \Hamcrest\AbstractMatcherTest
{
protected function createMatcher()
{
return \Hamcrest\Type\IsDouble::doubleValue();
}
public function testEvaluatesToTrueIfArgumentMatchesType()
{
assertThat((float) 5.2, floatValue());
assertThat((double) 5.3, doubleValue());
}
public function testEvaluatesToFalseIfArgumentDoesntMatchType()
{
assertThat(false, not(doubleValue()));
assertThat(5, not(doubleValue()));
assertThat('foo', not(doubleValue()));
}
public function testHasAReadableDescription()
{
$this->assertDescription('a double', doubleValue());
}
public function testDecribesActualTypeInMismatchMessage()
{
$this->assertMismatchDescription('was null', doubleValue(), null);
$this->assertMismatchDescription('was a string "foo"', doubleValue(), 'foo');
}
}
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