Add tests to ensure + and - are invalid

hikari-no-yume · hikari-no-yume · commit ce0cdf6056f0 · 2014-12-17T20:12:23.000Z
diff --git a/tests/lang/string/unicode_escape_sign.phpt b/tests/lang/string/unicode_escape_sign.phpt
@@ -0,0 +1,8 @@
+--TEST--
+Invalid Unicode escape sequence: Positive sign
+--FILE--
+<?php
+
+var_dump("\u{+1F602}");
+--EXPECTF--
+Fatal error: Invalid UTF-8 codepoint escape sequence in %s on line %d
diff --git a/tests/lang/string/unicode_escape_sign2.phpt b/tests/lang/string/unicode_escape_sign2.phpt
@@ -0,0 +1,8 @@
+--TEST--
+Invalid Unicode escape sequence: Negative sign
+--FILE--
+<?php
+
+var_dump("\u{-1F602}");
+--EXPECTF--
+Fatal error: Invalid UTF-8 codepoint escape sequence in %s on line %d
