added tests for sprint 2 and 3

tests/sprint2/test/sp2_invalid_multiple_params_no_as.alpha

@@ -0,0 +1,7 @@
+type rec: [integer: x; integer: y]
+type main: rec -> integer
+function test: main
+	
+test (arg, arg2) := {
+  	return 0;
+}

tests/sprint3/test/sp3_and_or_type_check.alpha

@@ -0,0 +1,37 @@
+type rec: [integer: x; integer: y]
+type main: rec -> integer
+function test: main
+	
+test (arg, arg2) := {
+	[integer:x; Boolean: b]
+	while (true) {
+		x := 0;
+	}
+		
+	while (7) {
+		x := 1;
+	}
+
+	if (true) {
+		x := 1;
+	} else {
+		x := 0;
+	}
+	
+	if (x) {
+		x := 0;
+	} else {
+		x := 1;
+	}
+
+	b := b | b;
+	b := b & b;
+	b := 1 | b;
+	b := b | 1;
+	b := b & 1;
+	b := 1 & b;
+	b := 1 = 1;
+	b := 1 = b; 
+		
+   	return 0;
+}

tests/sprint3/test/sp3_integer_binary_op_typecheck.alpha

@@ -1,9 +1,18 @@
+type main: string -> integer
+type rec: [integer: x; integer: y]
+function entry: main
+
 entry (arg) := {
-        [integer:x; address: arr; address: arr2; Boolean : b2; Boolean : b1; character : a]
+      [integer:x; address: arr; address: arr2; Boolean : b2; Boolean : b1; character : a; rec : r]
+
     	x := 3 + 2 * 8;
    	x := 3 - 2 / 8;
     	x := a * 2 % 8;
     	b2 := 3 * 2 % 8;
     	x := 3 % 2 * 8;
     	x := 3 + arr - 8;
+	r.x;
+	a.x;
+	
+    	return 0;
 }