Add more variable declaration tests

Author: kLabz

TestHScript.hx

@@ -125,7 +125,11 @@ class TestHScript extends TestCase {
 		assertScript("var a = 10; var b = 5; a - -b", 15);
 		assertScript("var a = 10; var b = 5; a - b / 2", 7.5);
 		assertScript("var a; a", null);
+		assertScript("var a = 1, b = 5; a + b;", 6);
 		assertScript("var a, b = 5; if (a == null) a = 2; a + b;", 7);
+		assertScript("var a:Int; a", null, null, true);
+		assertScript("var a:Int = 1, b:Int = 5; a + b;", 6, null, true);
+		assertScript("var a:Int, b:Int = 5; if (a == null) a = 2; a + b;", 7, null, true);
 		assertScript("false && xxx", false);
 		assertScript("true || xxx", true);
 		assertScript("[for( x in arr ) switch( x ) { case 1: 55; case 3: 66; default: 0; }].join(':')",'55:0:66',{ arr : [1,2,3] });