101 lines
2.1 KiB
PHP
101 lines
2.1 KiB
PHP
<?php
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use function Kadet\Functional\apply;
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use function Kadet\Functional\arify;
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use function Kadet\Functional\ref;
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/**
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* Copyright 2018 Kacper Donat
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*
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* @author Kacper "Kadet" Donat <kacper@kadet.net>
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*
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* Full license available in separate LICENSE file
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*/
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class TestObject
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{
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public function identity($x)
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{
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return $x;
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}
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private function priv()
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{
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return 'foo';
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}
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public function test()
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{
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return ref([$this, 'priv']);
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}
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public static function twice($x)
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{
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return $x * 2;
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}
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}
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class ReferencingTest extends \PHPUnit\Framework\TestCase
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{
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public function testReferenceStaticMethodArrayCallable()
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{
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$this->assertSame(4, ref([TestObject::class, 'twice'])(2));
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}
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public function testReferenceClosure()
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{
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$f = function () { };
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$this->assertSame($f, ref($f));
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}
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public function testApplicationOfArrayNotation()
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{
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$object = new TestObject();
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$this->assertSame(10, apply([$object, 'identity'], 10));
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}
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public function testReferencingPrivateFunctionsFromInsideOfObject()
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{
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$object = new TestObject();
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$reference = $object->test();
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$this->assertSame('foo', $reference());
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}
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public function testReferencingPrivateFunctionsFromOutsideOfObject()
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{
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$this->expectException(\Kadet\Functional\Exception\NoAccessException::class);
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$object = new TestObject();
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ref([$object, 'priv']);
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}
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public function testSetFunctionArity()
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{
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$f = function (...$args) {
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return count($args);
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};
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$f = arify($f, 2);
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$this->assertSame(1, $f(1));
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$this->assertSame(2, $f(1, 2));
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$this->assertSame(2, $f(1, 2, 3));
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$this->assertSame(2, $f(1, 2, 3, 4));
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}
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public function testReferencingWithSpecificArity()
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{
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$f = function (...$args) {
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return count($args);
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};
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$f = ref($f, 2);
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$this->assertSame(1, $f(1));
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$this->assertSame(2, $f(1, 2));
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$this->assertSame(2, $f(1, 2, 3));
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$this->assertSame(2, $f(1, 2, 3, 4));
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}
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} |