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39 lines
1.2 KiB
39 lines
1.2 KiB
<?php
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/**
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* An abstract method declared by the class itself participates in the parent
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* checks: it cannot turn a concrete inherited method abstract, and it must
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* stay compatible with an inherited abstract contract. Trait requirements are
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* exempt (an inherited concrete method satisfies them).
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*/
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class AbstractRedeclarationTest extends BaseTest
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{
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public function testConcreteParentMethodCannotBeMadeAbstract(): void
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{
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$this->exec(
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'Cannot make non abstract method `A::f()` abstract in class `B`',
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'abstract_redeclare_concrete.php'
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);
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}
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public function testAbstractRedeclarationMustStayCompatible(): void
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{
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$this->exec(
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'Declaration of `B::f()` must be compatible with `A::f()`',
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'abstract_redeclare_incompatible.php'
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);
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}
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public function testConcreteBuiltinMethodCannotBeMadeAbstract(): void
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{
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$this->exec(
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'Cannot make non abstract method `ArrayObject::count()` abstract in class `B`',
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'abstract_redeclare_internal.php'
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);
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}
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public function testValidAbstractRedeclarations(): void
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{
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$this->compile('abstract_redeclare_valid.php');
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}
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}
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