7 files changed, 149 insertions, 0 deletions
diff --git a/Zend/tests/class_name_as_scalar.phpt b/Zend/tests/class_name_as_scalar.phpt
new file mode 100644
index 0000000000..38e55b16d5
--- /dev/null
+++ b/Zend/tests/class_name_as_scalar.phpt
@@ -0,0 +1,77 @@
+--TEST--
+class name as scalar from ::class keyword
+--FILE--
+<?php
+
+namespace Foo\Bar {
+    class One {
+        // compile time constants
+        const A = self::class;
+        const B = Two::class;
+    }
+    class Two extends One {
+        public static function run() {
+            var_dump(self::class); // self compile time lookup
+            var_dump(static::class); // runtime lookup
+            var_dump(parent::class); // runtime lookup
+            var_dump(Baz::class); // default compile time lookup
+        }
+    }
+    class Three extends Two {
+        // compile time static lookups
+        public static function checkCompileTime(
+            $one = self::class,
+            $two = Baz::class,
+            $three = One::A,
+            $four = self::B
+        ) {
+            var_dump($one, $two, $three, $four);
+        }
+    }
+    echo "In NS\n";
+    var_dump(Moo::CLASS); // resolve in namespace
+}
+
+namespace {
+    use Bee\Bop as Moo,
+        Foo\Bar\One;
+    echo "Top\n";
+    var_dump(One::class); // resolve from use
+    var_dump(Boo::class); // resolve in global namespace
+    var_dump(Moo::CLASS); // resolve from use as
+    var_dump(\Moo::Class); // resolve fully qualified
+    $class = One::class; // assign class as scalar to var
+    $x = new $class; // create new class from original scalar assignment
+    var_dump($x);
+    Foo\Bar\Two::run(); // resolve runtime lookups
+    echo "Parent\n";
+    Foo\Bar\Three::run(); // resolve runtime lookups with inheritance
+    echo "Compile Check\n";
+    Foo\Bar\Three::checkCompileTime();
+}
+
+?>
+--EXPECTF--
+In NS
+string(11) "Foo\Bar\Moo"
+Top
+string(11) "Foo\Bar\One"
+string(3) "Boo"
+string(7) "Bee\Bop"
+string(3) "Moo"
+object(Foo\Bar\One)#1 (0) {
+}
+string(11) "Foo\Bar\Two"
+string(11) "Foo\Bar\Two"
+string(11) "Foo\Bar\One"
+string(11) "Foo\Bar\Baz"
+Parent
+string(11) "Foo\Bar\Two"
+string(13) "Foo\Bar\Three"
+string(11) "Foo\Bar\One"
+string(11) "Foo\Bar\Baz"
+Compile Check
+string(13) "Foo\Bar\Three"
+string(11) "Foo\Bar\Baz"
+string(11) "Foo\Bar\One"
+string(11) "Foo\Bar\Two"
diff --git a/Zend/tests/class_name_as_scalar_error_001.phpt b/Zend/tests/class_name_as_scalar_error_001.phpt
new file mode 100644
index 0000000000..1c7aa7ea84
--- /dev/null
+++ b/Zend/tests/class_name_as_scalar_error_001.phpt
@@ -0,0 +1,13 @@
+--TEST--
+class name as scalar from ::class keyword error using static in class constant
+--FILE--
+<?php
+
+namespace Foo\Bar {
+    class One {
+        const Baz = static::class;
+    }
+}
+?>
+--EXPECTF--
+Fatal error: static::class cannot be used for compile-time class name resolution in %s on line %d
diff --git a/Zend/tests/class_name_as_scalar_error_002.phpt b/Zend/tests/class_name_as_scalar_error_002.phpt
new file mode 100644
index 0000000000..59b7a2edc9
--- /dev/null
+++ b/Zend/tests/class_name_as_scalar_error_002.phpt
@@ -0,0 +1,13 @@
+--TEST--
+class name as scalar from ::class keyword error using parent in class constant
+--FILE--
+<?php
+
+namespace Foo\Bar {
+    class One {
+        const Baz = parent::class;
+    }
+}
+?>
+--EXPECTF--
+Fatal error: parent::class cannot be used for compile-time class name resolution in %s on line %d
diff --git a/Zend/tests/class_name_as_scalar_error_003.phpt b/Zend/tests/class_name_as_scalar_error_003.phpt
new file mode 100644
index 0000000000..9299041693
--- /dev/null
+++ b/Zend/tests/class_name_as_scalar_error_003.phpt
@@ -0,0 +1,13 @@
+--TEST--
+class name as scalar from ::class keyword error using static in method signature
+--FILE--
+<?php
+
+namespace Foo\Bar {
+    class One {
+        public function baz($x = static::class) {}
+    }
+}
+?>
+--EXPECTF--
+Fatal error: static::class cannot be used for compile-time class name resolution in %s on line %d
diff --git a/Zend/tests/class_name_as_scalar_error_004.phpt b/Zend/tests/class_name_as_scalar_error_004.phpt
new file mode 100644
index 0000000000..c00037fca3
--- /dev/null
+++ b/Zend/tests/class_name_as_scalar_error_004.phpt
@@ -0,0 +1,13 @@
+--TEST--
+class name as scalar from ::class keyword error using parent in method signature
+--FILE--
+<?php
+
+namespace Foo\Bar {
+    class One {
+        public function baz($x = parent::class) {}
+    }
+}
+?>
+--EXPECTF--
+Fatal error: parent::class cannot be used for compile-time class name resolution in %s on line %d
diff --git a/Zend/tests/class_name_as_scalar_error_005.phpt b/Zend/tests/class_name_as_scalar_error_005.phpt
new file mode 100644
index 0000000000..39de69ffb3
--- /dev/null
+++ b/Zend/tests/class_name_as_scalar_error_005.phpt
@@ -0,0 +1,10 @@
+--TEST--
+class name as scalar from ::class keyword error using static non class context
+--FILE--
+<?php
+
+$x = static::class;
+
+?>
+--EXPECTF--
+Fatal error: Cannot access static::class when no class scope is active in %s on line %d
+\ No newline at end of file
diff --git a/Zend/tests/class_name_as_scalar_error_006.phpt b/Zend/tests/class_name_as_scalar_error_006.phpt
new file mode 100644
index 0000000000..a4cc9a528b
--- /dev/null
+++ b/Zend/tests/class_name_as_scalar_error_006.phpt
@@ -0,0 +1,10 @@
+--TEST--
+class name as scalar from ::class keyword error using parent in non class context
+--FILE--
+<?php
+
+$x = parent::class;
+
+?>
+--EXPECTF--
+Fatal error: Cannot access parent::class when no class scope is active in %s on line %d