widget_ui_tests.cpp

// Aseprite UI Library
// Copyright (C) 2022  Igara Studio S.A.
//
// This file is released under the terms of the MIT license.
// Read LICENSE.txt for more information.

#define TEST_GUI
#include "tests/app_test.h"

using namespace ui;

TEST(Widget, ParentIndex)
{
  Widget a, b, c, d, e;
  EXPECT_EQ(-1, b.parentIndex());

  a.addChild(&b);
  a.addChild(&c);
  a.addChild(&d);
  EXPECT_EQ(0, b.parentIndex());
  EXPECT_EQ(1, c.parentIndex());
  EXPECT_EQ(2, d.parentIndex());

  a.removeChild(&c);
  EXPECT_EQ(0, b.parentIndex());
  EXPECT_EQ(1, d.parentIndex());
  EXPECT_EQ(-1, c.parentIndex());

  a.replaceChild(&b, &c);
  EXPECT_EQ(0, c.parentIndex());
  EXPECT_EQ(1, d.parentIndex());
  EXPECT_EQ(-1, b.parentIndex());

  a.insertChild(1, &e);
  EXPECT_EQ(0, c.parentIndex());
  EXPECT_EQ(1, e.parentIndex());
  EXPECT_EQ(2, d.parentIndex());
  EXPECT_EQ(-1, b.parentIndex());

  a.insertChild(10, &b);
  EXPECT_EQ(0, c.parentIndex());
  EXPECT_EQ(1, e.parentIndex());
  EXPECT_EQ(2, d.parentIndex());
  EXPECT_EQ(3, b.parentIndex());

  a.moveChildTo(&c, &b);
  EXPECT_EQ(0, e.parentIndex());
  EXPECT_EQ(1, d.parentIndex());
  EXPECT_EQ(2, b.parentIndex());
  EXPECT_EQ(3, c.parentIndex());

  a.moveChildTo(&b, &e);
  EXPECT_EQ(0, b.parentIndex());
  EXPECT_EQ(1, e.parentIndex());
  EXPECT_EQ(2, d.parentIndex());
  EXPECT_EQ(3, c.parentIndex());
}