/*
 * Copyright 2000-2016 Vaadin Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.vaadin.tests.components.grid;

import org.junit.Assert;
import org.junit.Test;
import org.openqa.selenium.Dimension;
import org.openqa.selenium.Point;

import com.vaadin.testbench.elements.GridElement;
import com.vaadin.v7.tests.components.grid.basicfeatures.GridBasicFeaturesTest;

/**
 * @author Vaadin Ltd
 *
 */
public class HorizontalScrollAfterResizeTest extends GridBasicFeaturesTest {

    /**
     * The behavior without the fix differs across different browsers but
     * scenario should work everywhere.
     */
    @Test
    public void scrollAfterResize() {
        getDriver().manage().window().setSize(new Dimension(600, 400));
        openTestURL();
        getDriver().manage().window().setSize(new Dimension(200, 400));

        // First scroll to the right
        scrollGridHorizontallyTo(600);
        Point locationAfterFirstScroll = $(GridElement.class).first()
                .getCell(0, 9).getLocation();

        // resize back
        getDriver().manage().window().setSize(new Dimension(600, 400));
        // shrink again
        getDriver().manage().window().setSize(new Dimension(200, 400));

        // second scroll to the right
        scrollGridHorizontallyTo(600);

        Point locationAfterSecondScrollcation = $(GridElement.class).first()
                .getCell(0, 9).getLocation();

        // With the bug scrolling doesn't happen. Location should be around of
        // the initial scrolling
        Assert.assertEquals(locationAfterFirstScroll.getY(),
                locationAfterSecondScrollcation.getY());
        int delta = 5;
        Assert.assertTrue(Math.abs(locationAfterFirstScroll.getX()
                - locationAfterSecondScrollcation.getX()) < delta);
    }

    @Override
    protected Class<?> getUIClass() {
        return HorizontalScrollAfterResize.class;
    }
}