add tests for visibility

Author: withinboredom

tests/classes/inner_classes/visibility_001.phpt

@@ -0,0 +1,25 @@
+--TEST--
+outer class visibility
+--FILE--
+<?php
+
+class Outer {
+        private class Inner {}
+        public Inner $illegal;
+
+        public function test(): void {
+                $this->illegal = new Inner();
+        }
+}
+
+$x = new Outer();
+$x->test();
+
+var_dump($x);
+?>
+--EXPECTF--
+Fatal error: Uncaught TypeError: Cannot assign private Outer\Inner to higher visibile property Outer::illegal in %s:%d
+Stack trace:
+#0 %s(%d): Outer->test()
+#1 {main}
+  thrown in %s on line %d

tests/classes/inner_classes/visibility_002.phpt

@@ -0,0 +1,30 @@
+--TEST--
+accessing outer class private vars
+--FILE--
+<?php
+
+class Outer {
+        private class Inner {
+                public function test(Outer $i) {
+                        $i->illegal = $this;
+                }
+        }
+        private Inner $illegal;
+
+        public function test(): void {
+                new Inner()->test($this);
+        }
+}
+
+$x = new Outer();
+$x->test();
+
+var_dump($x);
+
+?>
+--EXPECT--
+object(Outer)#1 (1) {
+  ["illegal":"Outer":private]=>
+  object(Outer\Inner)#2 (0) {
+  }
+}

tests/classes/inner_classes/visibility_003.phpt

@@ -0,0 +1,30 @@
+--TEST--
+accessing outer protected vars
+--FILE--
+<?php
+
+class Outer {
+        private class Inner {
+                public function test(Outer $i) {
+                        $i->illegal = $this;
+                }
+        }
+        private Inner $illegal;
+
+        public function test(): void {
+                new Inner()->test($this);
+        }
+}
+
+$x = new Outer();
+$x->test();
+
+var_dump($x);
+
+?>
+--EXPECT--
+object(Outer)#1 (1) {
+  ["illegal":"Outer":private]=>
+  object(Outer\Inner)#2 (0) {
+  }
+}

tests/classes/inner_classes/visibility_004.phpt

@@ -0,0 +1,25 @@
+--TEST--
+outer class visibility
+--FILE--
+<?php
+
+class Outer {
+        protected class Inner {}
+        public Inner $illegal;
+
+        public function test(): void {
+                $this->illegal = new Inner();
+        }
+}
+
+$x = new Outer();
+$x->test();
+
+var_dump($x);
+?>
+--EXPECTF--
+Fatal error: Uncaught TypeError: Cannot assign protected Outer\Inner to higher visibile property Outer::illegal in %s:%d
+Stack trace:
+#0 %s(%d): Outer->test()
+#1 {main}
+  thrown in %s on line %d

tests/classes/inner_classes/visibility_005.phpt

@@ -0,0 +1,27 @@
+--TEST--
+accessing outer private methods
+--FILE--
+<?php
+
+class Outer {
+    private function test() {
+        echo __METHOD__ . "\n";
+    }
+    class Middle {
+        private static function test() {
+            echo __METHOD__ . "\n";
+        }
+        class Inner {
+            public function test() {
+                Middle::test();
+                $t = new Outer();
+                $t->test();
+            }
+        }
+    }
+}
+new Outer\Middle\Inner()->test();
+?>
+--EXPECT--
+Outer\Middle::test
+Outer::test

tests/classes/inner_classes/visibility_006.phpt

@@ -0,0 +1,28 @@
+--TEST--
+scope doesn't bypass scope
+--FILE--
+<?php
+
+class Outer {
+    private function test() {
+        echo __METHOD__ . "\n";
+    }
+    class Middle {
+        private static function test() {
+            echo __METHOD__ . "\n";
+        }
+        class Inner {
+            public function testit() {
+                $this->test();
+            }
+        }
+    }
+}
+new Outer\Middle\Inner()->testit();
+?>
+--EXPECTF--
+Fatal error: Uncaught Error: Call to undefined method Outer\Middle\Inner::test() in %s:%d
+Stack trace:
+#0 %s(%d): Outer\Middle\Inner->testit()
+#1 {main}
+  thrown in %s on line %d

tests/classes/inner_classes/visibility_007.phpt

@@ -0,0 +1,27 @@
+--TEST--
+accessing outer protected methods
+--FILE--
+<?php
+
+class Outer {
+    protected function test() {
+        echo __METHOD__ . "\n";
+    }
+    class Middle {
+        protected static function test() {
+            echo __METHOD__ . "\n";
+        }
+        class Inner {
+            public function test() {
+                Middle::test();
+                $t = new Outer();
+                $t->test();
+            }
+        }
+    }
+}
+new Outer\Middle\Inner()->test();
+?>
+--EXPECT--
+Outer\Middle::test
+Outer::test

tests/classes/inner_classes/visibility_008.phpt

@@ -0,0 +1,30 @@
+--TEST--
+accessing sibling methods
+--FILE--
+<?php
+
+class Outer {
+    protected function test() {
+        echo __METHOD__ . "\n";
+    }
+    protected class Middle {
+        public static function test() {
+            echo __METHOD__ . "\n";
+        }
+    }
+}
+
+class Other extends Outer {
+    class Inner {
+        public function test() {
+            Outer\Middle::test();
+            $t = new Outer();
+            $t->test();
+        }
+    }
+}
+new Other\Inner()->test();
+?>
+--EXPECT--
+Outer\Middle::test
+Outer::test

tests/classes/inner_classes/visibility_009.phpt

@@ -0,0 +1,38 @@
+--TEST--
+deeply nested property visibility
+--FILE--
+<?php
+
+class Outer {
+    private int $i;
+    private static int $j;
+    class Middle {
+        private int $i;
+        private static int $j;
+        class Inner {
+            public static function test() {
+                var_dump(Outer::$j = 5);
+                var_dump(Middle::$j = 42);
+                $foo = new Outer();
+                $foo->i = 42;
+                var_dump($foo);
+                $foo = new Middle();
+                $foo->i = 42;
+                var_dump($foo);
+            }
+        }
+    }
+}
+Outer\Middle\Inner::test();
+?>
+--EXPECT--
+int(5)
+int(42)
+object(Outer)#1 (1) {
+  ["i":"Outer":private]=>
+  int(42)
+}
+object(Outer\Middle)#2 (1) {
+  ["i":"Outer\Middle":private]=>
+  int(42)
+}

tests/classes/inner_classes/visibility_010.phpt

@@ -0,0 +1,41 @@
+--TEST--
+constructors
+--FILE--
+<?php
+
+class User {
+    public private(set) string $name;
+    public private(set) string $email;
+
+    private function __construct(Builder $builder) {
+        $this->name = $builder->name;
+        $this->email = $builder->email;
+    }
+
+    public readonly final class Builder {
+        public function __construct(public private(set) string|null $name = null, public private(set) string|null $email = null) {}
+
+        public function withEmail(string $email): self {
+            return new self($this->name, $email);
+        }
+
+        public function withName(string $name): self {
+            return new self($name, $this->email);
+        }
+
+        public function build(): User {
+            return new User($this);
+        }
+    }
+}
+
+$user = new User\Builder()->withName('Rob')->withEmail('rob@example.com')->build();
+var_dump($user);
+?>
+--EXPECT--
+object(User)#2 (2) {
+  ["name"]=>
+  string(3) "Rob"
+  ["email"]=>
+  string(15) "rob@example.com"
+}