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45 lines
1.9 KiB
45 lines
1.9 KiB
<?php
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/**
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* Regression test for the trait `parent::` / `trait_parent_ce` declaration bug.
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*
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* A trait method whose body contains `parent::` calls is compiled with an implicit
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* `zend_class_entry *trait_parent_ce` parameter (so `parent::` can be bound to the
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* class that composes the trait). The shared `func_decl.h` declaration must emit the
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* same parameter; otherwise the generated C++ fails to compile with C2660
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* ("function does not accept 3 arguments") at the call site that forwards to the trait
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* function. This is a code-generation-level check that fails before the fix and passes
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* after it.
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*/
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class TraitFuncDeclTest extends \BaseTest
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{
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public function testAliasedTraitConstructorParentCallDeclaresTraitParentCe(): void
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{
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// BaseTest::compile() populates the global $translator and translates the file.
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$this->compile('trait-aliased-constructor-parent-call.php');
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global $translator;
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$compiler = $translator;
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$headerPath = $compiler->getIncludeDir() . '/php_trait_parent_ce_func_decl.h';
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if (file_exists($headerPath)) {
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@unlink($headerPath);
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}
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// Emit the shared function-declaration header (genFunctionDeclarations), which
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// is what the fix targets.
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$compiler->genFunctionDeclarations($headerPath);
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$decl = file_get_contents($headerPath);
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$this->assertMatchesRegularExpression(
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'/extern void php_tpdodriver____construct\([^;\n]*trait_parent_ce[^;\n]*\);/',
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$decl,
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'The trait function declaration must include its implicit parent scope'
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);
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$this->assertDoesNotMatchRegularExpression(
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'/extern void php_(?:driver__tpdodriverconstruct|directdriver____construct)'
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. '\([^;\n]*trait_parent_ce[^;\n]*\);/',
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$decl,
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'Composing-class wrapper declarations must not expose the implicit parent scope'
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);
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}
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}
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