From dd239530d8381090ab6979917826a2d4b684803d Mon Sep 17 00:00:00 2001
From: belliash <belliash@codingworkshop.eu.org>
Date: Mon, 6 Aug 2018 08:23:51 +0200
Subject: [PATCH] Test if unicode characters can be used as method / variable
 name

---
 tests/utf8_variables.aer | 43 ++++++++++++++++++++++++++++++++++++++++
 tests/utf8_variables.exp |  4 ++++
 2 files changed, 47 insertions(+)
 create mode 100644 tests/utf8_variables.aer
 create mode 100644 tests/utf8_variables.exp

diff --git a/tests/utf8_variables.aer b/tests/utf8_variables.aer
new file mode 100644
index 0000000..71a12a8
--- /dev/null
+++ b/tests/utf8_variables.aer
@@ -0,0 +1,43 @@
+class Main {
+	private $概要 = "AerScript Interpreter";
+
+	public function __construct() {
+		$this->ダウンロード();
+		var_dump($this->概要);
+		var_dump($this->isUTF8('hello'));
+		var_dump($this->isUTF8("すが、基本的な使い方は単純です。かしながら使い方を身につけていきましょう"));
+	}
+
+	private function ダウンロード(){
+		echo $this->概要 . "\n";
+	}
+
+	private function isUTF8($str) {
+		$b = 0;
+		$c = 0;
+		$bits = 0;
+		$len = strlen($str);
+		for($i = 0; $i < $len; $i++) {
+			$c = ord($str[$i]);
+			if($c >= 128) {
+				if(($c >= 254)) return false;
+				elseif($c >= 252) $bits=6;
+				elseif($c >= 248) $bits=5;
+				elseif($c >= 240) $bits=4;
+				elseif($c >= 224) $bits=3;
+				elseif($c >= 192) $bits=2;
+				else return false;
+				if(($i+$bits) > $len) return false;
+				while($bits > 1) {
+					$i++;
+					$b=ord($str[$i]);
+					if($b < 128 || $b > 191) return false;
+					$bits--;
+				}
+			}
+		}
+		return true;
+	}
+}
+
+new Main();
diff --git a/tests/utf8_variables.exp b/tests/utf8_variables.exp
new file mode 100644
index 0000000..eb85df7
--- /dev/null
+++ b/tests/utf8_variables.exp
@@ -0,0 +1,4 @@
+AerScript Interpreter
+string(21 'AerScript Interpreter')
+bool(TRUE)
+bool(TRUE)