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/******************************************************************************
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 * Copyright (c) 2000-2020 Ericsson Telecom AB
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 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html
 *
 * Contributors:
 *   Baranyi, Botond
 *
 ******************************************************************************/
module oop {

type component CT {
  port PT pt;
}

type port PT message { inout integer; } with { extension "internal" }

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type record of integer IntList;

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///////////////////////////////////////////////////
///////////////////// CLASSES /////////////////////
///////////////////////////////////////////////////

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type record Rec {
  charstring str,
  IntList list
}

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type union Uni {
  integer i,
  charstring cs
}

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type class BaseClass runs on CT mtc CT system CT {
  public const integer m_const := 1;
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  private const IntList m_const2 := { 1, 2, 3 };
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  /*protected*/ var charstring m_var;
  private template octetstring m_temp := ? length (1..4);
  public var template float m_var_temp;
  //private PT m_port; // port members not supported
  /*protected*/ timer m_timer;
  private timer m_timer_array[3];
  
  //public template integer m_temp_pard(integer p) := p; // parameterized template members not supported
  
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  // this would also be the implicit constructor's header:
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  create(integer p_const, IntList p_const2, charstring p_var,
         template octetstring p_temp, template float p_var_temp) {
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    m_const := p_const;
    m_const := 2;
    m_var := p_var;
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    m_const2[2] := p_const2[0];
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    m_temp := p_temp;
    m_temp := *;
    m_var_temp := p_var_temp;
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    //m_port := p_port;
    //m_timer := p_timer;
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  }
  
  public function f(in integer x) return integer {
    m_var := m_var & int2str(x);
    return x;
  }
  
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  public function f2(in integer x) return Rec {
    var Rec ret_val := { str := int2str(x), list := {} };
    for (var integer i := 0; i < x; i := i + 1) {
      ret_val.list[i] := i;
    }
    return ret_val;
  }
  
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  public function get_var() return charstring {
    return m_var;
  }
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  public function this_test(in integer get_var, in charstring p_log_str) {
    var integer m_const := 9;
    if (this.m_const != 2) {
      setverdict(fail, "this.m_const = ", this.m_const);
    }
    if (this.get_var() != m_var) {
      setverdict(fail, "this.get_var() = ", this.get_var(), ", m_var = ", m_var);
    }
    if (log2str(this) != p_log_str) {
      setverdict(fail, "this = ", this, ", expected: ", p_log_str);
    }
    var BaseClass v_ref := this;
    if (not v_ref == this) {
      setverdict(fail, "equality failed");
    }
    var BaseClass v_ref2;
    v_ref2 := this;
    if (this != v_ref2) {
      setverdict(fail, "inequality failed");
    }
  }
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}
finally {
  //pt.send(-1);
  log(m_var);
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  log(this);
  log(this);
  log(this);
  log(this);
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}

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type class SubClass extends BaseClass {  
  create(integer p_const := 1, IntList p_const2, charstring p_var,
         template octetstring p_temp, template float p_var_temp)
         : BaseClass(p_const, p_const2, p_var, p_temp, p_var_temp) {
    m_const3 := 'FFFF'O;
    m_var := m_var & "x";
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  }
  
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  const octetstring m_const3 := 'AB'O; // the parser currently doesn't accept constants without initial value
  
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  public function f(in integer x) return integer {
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    return super.f(x) - 1;
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  }
}

type class @final FinalClass extends SubClass {
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  private const integer m_final_const := 1;
  private template charstring m_final_temp := ? length (1..4);
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  private var float m_final_var := 1.0;
  private var template octetstring m_final_var_temp := ''O;
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  public function @final f(in integer x) return integer {
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    return super.f(x) + m_final_const + 1;
  }
  
  public function get_uni() return Uni {
    return { i := m_final_const };
  }
  
  public function get_uni_temp() return template Uni {
    return { cs := m_final_temp };
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  }
}


type class @abstract AbstractClass {
  public function @abstract f_abs(inout integer x) return boolean;
  public function f_con(in charstring x) {
    log(x);
  }
}

type class ConcreteClass extends AbstractClass {
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  create(octetstring p_const := 'AB'O) {
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    // for compilation only, to make sure there are no name clashes between parameter default values
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    log(p_const);
  }
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  public function f_abs(inout integer x) return boolean {
    x := x + 1;
    return x > 0;
  }
}

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type external class ExternalClass {
  public external function f_ext(in integer x) return charstring;
}

type class InternalClass extends ExternalClass {
  public function f_int() return integer {
    return 0;
  }
  public external function f_ext2();
}

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testcase tc_members_and_methods() runs on CT {
  var BaseClass v_base := BaseClass.create(4, { 1, 2, 4 }, "a", 'FF'O, (0.0 .. 10.0));
  var IntList il := { 1, 2, 4 };
  var template float tf := (0.0 .. 10.0);
  var BaseClass v_sub := SubClass.create(4, il, "a", 'FF'O, tf);
  var BaseClass v_final := FinalClass.create(4, il, "a", 'FF'O, tf, 8, "x", -1.5, *);
  
  log(v_base.f(6));
  log(v_sub.f(6));
  log(v_final.f(6));
  
  log(v_base.m_const);
  log(v_sub.m_var_temp);
  log(v_final.get_var());
  log(v_final.f2(3).list[1]);
  
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  if (v_base.f(6) != 6) {
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    setverdict(fail, "v_base.f(6) = ", v_base.f(6));
  }
  if (v_sub.f(6) != 5) {
    setverdict(fail, "v_sub.f(6) = ", v_sub.f(6));
  }
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  if (v_final.f(6) != 14) {
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    setverdict(fail, "v_final.f(6) = ", v_final.f(6));
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  }
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  if (log2str(v_base.f(6)) != "6") {
    setverdict(fail, "log2str(v_base.f(6)) = ", log2str(v_base.f(6)));
  }
  
  if (v_base.m_const != 2) {
    setverdict(fail, "v_base.m_const = ", v_base.m_const);
  }
  if (log2str(v_sub.m_var_temp) != "(0.000000 .. 10.000000)") {
    setverdict(fail, "v_sub.m_var_temp = ", v_sub.m_var_temp);
  }
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  if (v_final.get_var() != "ax66") {
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    setverdict(fail, "v_final.get_var() = ", v_final.get_var());
  }
  if (v_final.f2(3).list[1] != 1) {
    setverdict(fail, "v_final.f2(3).list[1] = ", v_final.f2(3).list[1]);
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  }
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  setverdict(pass);
}

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testcase tc_logging() runs on CT {
  var BaseClass v_base := BaseClass.create(4, { 1, 2, 4 }, "a", 'FF'O, (0.0 .. 10.0));
  var IntList il := { 1, 2, 4 };
  var template float tf := (0.0 .. 10.0);
  var BaseClass v_sub := SubClass.create(4, il, "a", 'FF'O, tf);
  var BaseClass v_final := FinalClass.create(4, il, "a", 'FF'O, tf, 8, "x", -1.5, *);

  log(v_base);
  log(v_sub);
  log(v_final);
  
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  var charstring v_base_str := "BaseClass: { m_const := 2, m_const2 := { 1, 2, 1 }, m_var := \"a\", m_temp := *, m_var_temp := (0.000000 .. 10.000000), m_timer := timer: { name: m_timer, default duration: none, state: inactive }, m_timer_array := { timer: { name: m_timer_array[0], default duration: none, state: inactive }, timer: { name: m_timer_array[1], default duration: none, state: inactive }, timer: { name: m_timer_array[2], default duration: none, state: inactive } } }";
  var charstring v_sub_str := "SubClass: { BaseClass: { m_const := 2, m_const2 := { 1, 2, 1 }, m_var := \"ax\", m_temp := *, m_var_temp := (0.000000 .. 10.000000), m_timer := timer: { name: m_timer, default duration: none, state: inactive }, m_timer_array := { timer: { name: m_timer_array[0], default duration: none, state: inactive }, timer: { name: m_timer_array[1], default duration: none, state: inactive }, timer: { name: m_timer_array[2], default duration: none, state: inactive } } }, m_const3 := 'FFFF'O }";
  var charstring v_final_str := "FinalClass: { SubClass: { BaseClass: { m_const := 2, m_const2 := { 1, 2, 1 }, m_var := \"ax\", m_temp := *, m_var_temp := (0.000000 .. 10.000000), m_timer := timer: { name: m_timer, default duration: none, state: inactive }, m_timer_array := { timer: { name: m_timer_array[0], default duration: none, state: inactive }, timer: { name: m_timer_array[1], default duration: none, state: inactive }, timer: { name: m_timer_array[2], default duration: none, state: inactive } } }, m_const3 := 'FFFF'O }, m_final_const := 8, m_final_temp := \"x\", m_final_var := -1.500000, m_final_var_temp := * }";
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  if (log2str(v_base) != v_base_str) {
    setverdict(fail, "v_base: ", v_base);
  }
  if (log2str(v_sub) != v_sub_str) {
    setverdict(fail, "v_sub: ", v_sub);
  }
  if (log2str(v_final) != v_final_str) {
    setverdict(fail, "v_final: ", v_final);
  }
  setverdict(pass);
}

testcase tc_equality() runs on CT {
  var BaseClass v_base := BaseClass.create(4, { 1, 2, 4 }, "a", 'FF'O, (0.0 .. 10.0));
  var BaseClass v_base2 := BaseClass.create(4, { 1, 2, 4 }, "a", 'FF'O, (0.0 .. 10.0));
  if (v_base == v_base2) {
    setverdict(fail, "Equality of different objects failed");
  }
  if (not v_base != v_base2) {
    setverdict(fail, "Inquality of different objects failed");
  }
  
  var BaseClass v_ref := v_base;
  if (not v_ref == v_base) {
    setverdict(fail, "Equality of object and reference to object failed");
  }
  if (v_ref != v_base) {
    setverdict(fail, "Inequality of object and reference to object failed");
  }
  
  var BaseClass v_ref2 := v_ref;
  if (not v_ref2 == v_base) {
    setverdict(fail, "Equality of object and indirect reference to object failed");
  }
  if (v_ref2 != v_base) {
    setverdict(fail, "Inequality of object and indirect reference to object failed");
  }
  setverdict(pass);
}

testcase tc_null() runs on CT {
  var BaseClass v_base := BaseClass.create(4, { 1, 2, 4 }, "a", 'FF'O, (0.0 .. 10.0));
  var IntList il := { 1, 2, 4 };
  var template float tf := (0.0 .. 10.0);
  var SubClass v_sub := SubClass.create(4, il, "a", 'FF'O, tf);
  var FinalClass v_final := FinalClass.create(4, il, "a", 'FF'O, tf, 8, "x", -1.5, *);
  
  var BaseClass v_null := null;
  var BaseClass v_empty;
  
  log(v_null);
  log(v_empty);
  
  if (v_base == v_null) {
    setverdict(fail, "BaseClass equality with null reference failed");
  }
  if (v_base == v_empty) {
    setverdict(fail, "BaseClass equality with empty reference failed");
  }
  if (v_null != v_empty) {
    setverdict(fail, "null reference equality with empty reference failed");
  }
  if (v_base == null) {
    setverdict(fail, "BaseClass equality with null value failed");
  }
  if (null == v_final) {
    setverdict(fail, "FinalClass equality with null value failed");
  }
  if (v_null != null) {
    setverdict(fail, "null reference equality with null value failed");
  }
  if (null != v_empty) {
    setverdict(fail, "null value equality with empty reference failed");
  }
  setverdict(pass);
}

testcase tc_this() runs on CT {
  var BaseClass v_base := BaseClass.create(4, { 1, 2, 4 }, "a", 'FF'O, (0.0 .. 10.0));
  v_base.this_test(10, log2str(v_base));
  setverdict(pass);
}

testcase tc_references() runs on CT {
  var BaseClass v_base := BaseClass.create(4, { 1, 2, 4 }, "a", 'FF'O, 1.0);
  var SubClass v_sub := SubClass.create(4, { 1, 2, 4 }, "a", 'FF'O, 1.0);
  var FinalClass v_final := FinalClass.create(4, { 1, 2, 4 }, "a", 'FF'O, 1.0, 8, "x", -1.5, *);
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  var BaseClass v_null := null;
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  var BaseClass v_ref1;
  if (v_ref1 != null) {
    setverdict(fail, "#1");
  }
  v_ref1 := v_base;
  if (v_ref1 != v_base) {
    setverdict(fail, "#2");
  }
  var integer v_int := v_final.f(1);
  if (v_int != 9) {
    setverdict(fail, "#3, ", v_final.f(1));
  }
  v_int := v_final.f(2);
  if (v_int != 10) {
    setverdict(fail, "#4, ", v_final.f(2));
  }
  if (not isbound(v_final.f2(3).list[1])) {
    setverdict(fail, "#5");
  }
  if (not isvalue(v_base.m_var_temp)) {
    setverdict(fail, "#6");
  }
  if (not ispresent(v_base.m_var_temp)) {
    setverdict(fail, "#7");
  }
  if (ischosen(v_final.get_uni().cs)) {
    setverdict(fail, "#8");
  }
  if (not ischosen(v_final.get_uni_temp().cs)) {
    setverdict(fail, "#9");
  }
  if (v_final.f2(3).list[1] + v_final.f(-6) != v_base.f(3) * float2int(valueof(v_sub.m_var_temp))) {
    setverdict(fail, "#10, ", v_final.f2(3).list[1] + v_final.f(-6), " != ", v_base.f(3) * float2int(valueof(v_sub.m_var_temp)));
  }
  if (match(v_final.get_uni(), v_final.get_uni_temp())) {
    setverdict(fail, "#11, ", match(v_final.get_uni(), v_final.get_uni_temp()));
  }
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  if (not isbound(v_sub)) {
    setverdict(fail, "#12");
  }
  if (isbound(v_null)) {
    setverdict(fail, "#13");
  }
  if (not isvalue(v_final)) {
    setverdict(fail, "#14");
  }
  if (isvalue(v_null)) {
    setverdict(fail, "#15");
  }
  if (not ispresent(v_base)) {
    setverdict(fail, "#16");
  }
  if (ispresent(v_null)) {
    setverdict(fail, "#17");
  }
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  setverdict(pass);
}

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type class Node {
  var integer data;
  var Node next;
}

function f_test(in Node p1, inout Node p2, out Node p3,
                in charstring p1_str, in charstring p2_str) return Node {
  if (log2str(p1) != p1_str) {
    setverdict(fail, "Invalid 'in' parameter value at start: ", p1, ", expected: ", p1_str);
  }
  if (log2str(p2) != p2_str) {
    setverdict(fail, "Invalid 'inout' parameter value at start: ", p2, ", expected: ", p2_str);
  }
  if (p3 != null) {
    setverdict(fail, "Invalid 'out' parameter value at start: ", p3, ", expected: null");
  }
  var Node tmp := p2;
  p3 := p1;
  p1 := null;
  p2 := null;
  return tmp;
}

testcase tc_function_pars_and_retval() runs on CT {
  var Node x := Node.create(1, Node.create(2, Node.create(3, null)));
  var Node y := Node.create(0, null);
  var Node z := Node.create(-1, null);
  var charstring x_str := log2str(x);
  var charstring y_str := log2str(y);
  var Node res := f_test(x, y, z, x_str, y_str);
  if (log2str(x) != x_str) {
    setverdict(fail, "Invalid 'in' parameter value at end: ", x, ", expected: ", x_str);
  }
  if (y != null) {
    setverdict(fail, "Invalid 'inout' parameter value at end: ", y, ", expected: null");
  }
  if (log2str(z) != x_str) {
    setverdict(fail, "Invalid 'out' parameter value at end: ", z, ", expected: ", x_str);
  }
  if (log2str(res) != y_str) {
    setverdict(fail, "Invalid return value: ", res, ", expected: ", y_str);
  }
  setverdict(pass);
}

type class Node2 {
  var object data;
  var Node2 next;
}

type class Something {
  public function toString() return universal charstring {
    return "Something";
  }
}

testcase tc_object() runs on CT {
  var object v_obj := Node.create(3, null);
  var Node v_node := Node.create(3, null);
  if (log2str(v_obj) != log2str(v_node)) {
    setverdict(fail, "v_obj: ", v_obj, ", v_node: ", v_node);
  }
  if (v_obj.toString() != "Object") {
    setverdict(fail, "v_obj.toString(): ", v_obj.toString());
  }
  if (v_obj.toString() != v_node.toString()) {
    setverdict(fail, "v_obj.toString(): ", v_obj.toString(), ", v_node.toString(): ", v_node.toString());
  }
  var object v_obj2 := Something.create;
  var Something v_smthn := Something.create;
  if (v_obj2.toString() != "Something") {
    setverdict(fail, "v_obj2.toString(): ", v_obj2.toString());
  }
  if (v_obj2.toString() != v_smthn.toString()) {
    setverdict(fail, "v_obj2.toString(): ", v_obj2.toString(), ", v_smthn.toString(): ", v_smthn.toString());
  }
  if (v_obj2.toString()[3] != "e") {
    setverdict(fail, "v_obj2.toString()[3]: ", v_obj2.toString()[3]);
  }
  var Node2 v_node2 := Node2.create(Something.create, Node2.create(Node.create(1, null), null));
  if (log2str(v_node2) != "Node2: { data := Something: {  }, next := Node2: { data := Node: { data := 1, next := null }, next := null } }") {
    setverdict(fail, "v_node2: ", v_node2);
  }
  setverdict(pass);
}

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type class Order {
  var integer b;
  var integer d;
  var integer c;
  var integer a;
}

testcase tc_order() runs on CT {
  var Order x := Order.create(1, 2, 3, 4);
  if (log2str(x) == "Order: { b := 1, d := 2, c := 3, a := 4 }") {
    setverdict(pass);
  }
  else {
    setverdict(fail, x);
  }
}

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testcase tc_abstract() runs on CT {
  var AbstractClass v := ConcreteClass.create;
  var integer x := 0;
  if (v.f_abs(x) and x == 1) {
    setverdict(pass);
  }
  else {
    setverdict(fail);
  }
}

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control {
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  execute(tc_members_and_methods());
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  execute(tc_logging());
  execute(tc_equality());
  execute(tc_null());
  execute(tc_this());
  execute(tc_references());
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  execute(tc_function_pars_and_retval());
  execute(tc_object());
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  execute(tc_order());
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  execute(tc_abstract());
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}

}