Add additional class constant deprecation tests

Author: TimWolla

Zend/tests/attributes/deprecated/class_constants/005.phpt

@@ -0,0 +1,26 @@
+--TEST--
+#[\Deprecated]: Using the value of a deprecated class constant as the deprecation message.
+--FILE--
+<?php
+
+class Clazz {
+    #[\Deprecated(self::TEST)]
+    public const TEST = "from itself";
+
+    #[\Deprecated]
+    public const TEST2 = "from another";
+
+    #[\Deprecated(self::TEST2)]
+    public const TEST3 = 1;
+}
+
+Clazz::TEST;
+Clazz::TEST3;
+
+?>
+--EXPECTF--
+Deprecated: Constant Clazz::TEST is deprecated, from itself in %s on line %d
+
+Deprecated: Constant Clazz::TEST2 is deprecated in %s on line %d
+
+Deprecated: Constant Clazz::TEST3 is deprecated, from another in %s on line %d

Zend/tests/attributes/deprecated/class_constants/006.phpt

@@ -0,0 +1,36 @@
+--TEST--
+#[\Deprecated]: Using the value of a deprecated class constant as the deprecation message with a throwing error handler.
+--FILE--
+<?php
+
+set_error_handler(function (int $errno, string $errstr, ?string $errfile = null, ?int $errline = null) {
+    throw new \ErrorException($errstr, 0, $errno, $errfile, $errline);
+});
+
+class Clazz {
+    #[\Deprecated(self::TEST)]
+    public const TEST = "from itself";
+
+    #[\Deprecated]
+    public const TEST2 = "from another";
+
+    #[\Deprecated(self::TEST2)]
+    public const TEST3 = 1;
+}
+
+try {
+    Clazz::TEST;
+} catch (ErrorException $e) {
+    echo "Caught: ", $e->getMessage(), PHP_EOL;
+}
+
+try {
+    Clazz::TEST3;
+} catch (ErrorException $e) {
+    echo "Caught: ", $e->getMessage(), PHP_EOL;
+}
+
+?>
+--EXPECT--
+Caught: Constant Clazz::TEST is deprecated, from itself
+Caught: Constant Clazz::TEST2 is deprecated