/*
 * Copyright 2000-2014 JetBrains s.r.o.
 *
 * 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.intellij.util.xml.impl;

import com.intellij.openapi.command.WriteCommandAction;
import com.intellij.psi.xml.XmlTag;
import com.intellij.util.IncorrectOperationException;
import com.intellij.util.xml.DomElement;
import com.intellij.util.xml.SubTag;
import com.intellij.util.xml.events.DomEvent;

import java.util.List;

/**
 * @author peter
 */
public class IncrementalUpdateEventsTest extends DomTestCase {
  private MyElement myElement;

  @Override
  protected void setUp() throws Exception {
    super.setUp();
    myElement = createElement("<a><child/><child/><child-element/><child-element/></a>");
  }

  public void testRemove0() throws IncorrectOperationException {
    deleteTag(0);
    putExpected(new DomEvent(myElement, false));
    assertResultsAndClear();

    deleteTag(0);
    putExpected(new DomEvent(myElement, false));
    assertResultsAndClear();

    deleteTag(0);
    putExpected(new DomEvent(myElement, false));
    assertResultsAndClear();

    deleteTag(0);
    putExpected(new DomEvent(myElement, false));
    assertResultsAndClear();
  }

  public void testRemove1() throws IncorrectOperationException {
    deleteTag(1);
    putExpected(new DomEvent(myElement, false));
    assertResultsAndClear();
  }

  public void testRemove2() throws IncorrectOperationException {
    deleteTag(2);
    putExpected(new DomEvent(myElement, false));
    assertResultsAndClear();

    deleteTag(2);
    putExpected(new DomEvent(myElement, false));
    assertResultsAndClear();
  }

  public void testRemove3() throws IncorrectOperationException {
    deleteTag(3);
    putExpected(new DomEvent(myElement, false));
    assertResultsAndClear();
  }

  public void testAdd0() throws Throwable {
    addChildTag(0);
    putExpected(new DomEvent(myElement, false));
    assertResultsAndClear();
  }

  public void testAdd1() throws Throwable {
    addChildTag(1);
    putExpected(new DomEvent(myElement, false));
    assertResultsAndClear();
  }

  public void testAdd2() throws Throwable {
    addChildElementTag(2);
    putExpected(new DomEvent(myElement, false));
    assertResultsAndClear();
  }

  public void testAdd3() throws Throwable {
    addChildElementTag(3);
    putExpected(new DomEvent(myElement, false));
    assertResultsAndClear();
  }

  public void testAdd4() throws Throwable {
    final XmlTag tag = myElement.getXmlTag();
    tag.addAfter(createTag("<child-element/>"), tag.getSubTags()[3]);
    putExpected(new DomEvent(myElement, false));
    assertResultsAndClear();
  }

  private MyElement getChild(final int index) {
    return myElement.getChildElements().get(index);
  }

  private void addChildTag(int index) throws IncorrectOperationException {
    final XmlTag tag = myElement.getXmlTag();
    tag.addBefore(createTag("<child/>"), tag.getSubTags()[index]);
  }

  private void addChildElementTag(int index) throws IncorrectOperationException {
    final XmlTag tag = myElement.getXmlTag();
    tag.addBefore(createTag("<child-element/>"), tag.getSubTags()[index]);
  }


  private void deleteTag(final int index) throws IncorrectOperationException {
    WriteCommandAction.runWriteCommandAction(null, new Runnable() {
      @Override
      public void run() {
        myElement.getXmlTag().getSubTags()[index].delete();
      }
    });
  }

  private MyElement createElement(final String xml) throws IncorrectOperationException {
    return createElement(xml, MyElement.class);
  }

  public interface MyElement extends DomElement {
    MyElement getChild();

    @SubTag(value = "child", index = 1)
    MyElement getChild2();

    List<MyElement> getChildElements();
  }


}

@@ -727,62 +727,8 @@
 ag;%0A
-import com.intellij.util.IncorrectOperationException;%0A
 impo
@@ -764,16 +764,16 @@
 lement;%0A
+
 import c
@@ -1193,43 +1193,8 @@
 e0()
- throws IncorrectOperationException
  %7B%0A 
@@ -1615,43 +1615,8 @@
 e1()
- throws IncorrectOperationException
  %7B%0A 
@@ -1746,43 +1746,8 @@
 e2()
- throws IncorrectOperationException
  %7B%0A 
@@ -1974,43 +1974,8 @@
 e3()
- throws IncorrectOperationException
  %7B%0A 
@@ -2098,33 +2098,16 @@
 stAdd0()
- throws Throwable
  %7B%0A    a
@@ -2228,33 +2228,16 @@
 stAdd1()
- throws Throwable
  %7B%0A    a
@@ -2358,33 +2358,16 @@
 stAdd2()
- throws Throwable
  %7B%0A    a
@@ -2495,33 +2495,16 @@
 stAdd3()
- throws Throwable
  %7B%0A    a
@@ -2636,25 +2636,8 @@
 d4()
- throws Throwable
  %7B%0A 
@@ -2980,43 +2980,8 @@
 dex)
- throws IncorrectOperationException
  %7B%0A 
@@ -3145,43 +3145,8 @@
 dex)
- throws IncorrectOperationException
  %7B%0A 
@@ -3316,43 +3316,8 @@
 dex)
- throws IncorrectOperationException
  %7B%0A 
@@ -3561,43 +3561,8 @@
 xml)
- throws IncorrectOperationException
  %7B%0A 
@@ -3798,16 +3798,14 @@
 ents();%0A
+
   %7D%0A
-%0A%0A
 %7D%0A

remove superfluous "throws" declarations