<?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'); } }