added tests

test/oop/access_modifiers.lgl

@@ -0,0 +1,52 @@
+class animal {
+  public    int a;
+  protected int b;
+  private   int c;
+
+  public animal init(int a, int b, int c) {
+    self(a, b, c);
+  }
+  public int  get_c() { return this.c; }
+  public void set_c(int x) {this.c = x;  }
+
+  private   void baz(){}
+  protected void bar(){ this.baz(); }
+  public    void foo(){}
+};
+
+class dog : animal {
+  public  int d;
+  private int e;
+
+  public dog init(int a, int b, int c, int d, int e) {
+    super(a, b, c);
+    self(d, e);
+  }
+  public int  get_b() { return this.b; }
+  public void set_b(int x) {this.b = x;  }
+  public int  get_e() { return this.e; }
+  public void set_e(int x) {this.e = x;  }
+
+  private void f1(){}
+  public  void f2(){ this.foo(); this.bar(); this.f1(); }
+};
+
+void main () {
+  dog my_dog = new_dog(1,2,3,4,5);
+
+  int x = 0;
+  x = my_dog.a;
+  x = my_dog.d;
+  x = my_dog.get_b();
+  x = my_dog.get_c();
+  x = my_dog.get_e();
+
+  my_dog.a = 0;
+  my_dog.d = 0;
+  my_dog.set_b(0);
+  my_dog.set_c(0);
+  my_dog.set_e(0);
+
+  my_dog.foo();
+  my_dog.f2();
+}

test/oop/fn_input_output.lgl

@@ -0,0 +1,15 @@
+class d {
+  public int a;
+
+  public d init(int a) {
+    self(a);
+  }
+};
+
+void foo(d x) {}
+d bar() { return new_d(5); }
+
+void main() {
+  d my_d = bar();
+  foo(my_d);
+}

test/oop/highly_chained.lgl

@@ -0,0 +1,44 @@
+class c1 {
+  public int a;
+  public c1 init(int x) {
+    self(x);
+  }
+};
+class c2 : c1 {
+  public int b;
+  public c2 init(int x1, int x2) {
+    super(x1);
+    self(x2);
+  }
+};
+class c3 : c2 {
+  public int c;
+  public c3 init(int x1, int x2, int x3) {
+    super(x1, x2);
+    self(x3);
+  }
+};
+class c4 : c3 {
+  public int d;
+  public c4 init(int x1, int x2, int x3, int x4) {
+    super(x1, x2, x3);
+    self(x4);
+  }
+};
+class c5 : c4 {
+  public int e;
+  public c5 init(int x1, int x2, int x3, int x4, int x5) {
+    super(x1, x2, x3, x4);
+    self(x5);
+  }
+};
+
+void main() {
+  c5 c = new_c5(1,2,3,4,5);
+  int x = 0;
+  x = c.a;
+  x = c.b;
+  x = c.c;
+  x = c.d;
+  x = c.e;
+}

test/oop/obj_fields.lgl

@@ -0,0 +1,21 @@
+class human {
+  public int x;
+  public int y;
+  public human init(int a, int b){
+    self(a,b);
+  }
+};
+
+class dog {
+  public human owner;
+  public dog init(human h) {
+    self(h);
+  }
+};
+
+void main() {
+  human h = new_human(5,6);
+  dog d = new_dog(h);
+  int t = d.owner.x;
+  d.owner.y = t;
+}