gecko-dev/editor/base/TextEditorTest.cpp

/* -*- Mode: C++ tab-width: 2 indent-tabs-mode: nil c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.0 (the "NPL") you may not use this file except in
 * compliance with the NPL.  You may obtain a copy of the NPL at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the NPL is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
 * for the specific language governing rights and limitations under the
 * NPL.
 *
 * The Initial Developer of this code under the NPL is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
 * Reserved.
 */

#include <stdio.h>
#include "nsITextEditor.h"
#include "nsIEditor.h"
#include "TextEditorTest.h"
#include "nsIDOMSelection.h"
#include "nsIDOMCharacterData.h"
#include "nsIDOMDocument.h"
#include "nsIDOMNode.h"
#include "nsIDOMNodeList.h"
#include "nsIEditProperty.h"
#include "nsString.h"

#ifdef NS_DEBUG

#define TEST_RESULT(r) { if (NS_FAILED(r)) {printf("FAILURE result=%d\n", r); return r; } }
#define TEST_POINTER(p) { if (!p) {printf("FAILURE null pointer\n"); return NS_ERROR_NULL_POINTER; } }

TextEditorTest::TextEditorTest()
{
  printf("constructed a TextEditorTest\n");
}

TextEditorTest::~TextEditorTest()
{
  printf("destroyed a TextEditorTest\n");
}

void TextEditorTest::Run(nsITextEditor *aEditor)
{
  if (!aEditor) return;
  mTextEditor = do_QueryInterface(aEditor);
  mEditor = do_QueryInterface(aEditor);
  RunUnitTest();
}

nsresult TextEditorTest::RunUnitTest()
{
  nsresult result;
  result = InitDoc();
  TEST_RESULT(result);

  // insert some simple text
  nsString docContent("1234567890abcdefghij1234567890");
  result = mTextEditor->InsertText(docContent);
  TEST_RESULT(result);

  // insert some more text
  nsString docContent2("Moreover, I am cognizant of the interrelatedness of all communities and states.  I cannot sit idly by in Atlanta and not be concerned about what happens in Birmingham.  Injustice anywhere is a threat to justice everywhere");
  result = mTextEditor->InsertText(docContent2);
  TEST_RESULT(result);

  result = TestInsertBreak();

  result = TestTextProperties();

  return result;
}

nsresult TextEditorTest::InitDoc()
{
  nsresult result = mTextEditor->SelectAll();
  TEST_RESULT(result);
  result = mTextEditor->DeleteSelection(nsIEditor::eLTR);
  TEST_RESULT(result);
  return result;
}

nsresult TextEditorTest::TestInsertBreak()
{
  nsCOMPtr<nsIDOMSelection>selection;
  nsresult result = mEditor->GetSelection(getter_AddRefs(selection));
  TEST_RESULT(result);
  TEST_POINTER(selection.get());
  nsCOMPtr<nsIDOMNode>anchor;
  result = selection->GetAnchorNode(getter_AddRefs(anchor));
  TEST_RESULT(result);
  TEST_POINTER(anchor.get());
  selection->Collapse(anchor, 0);
  // insert one break
  printf("inserting a break\n");
  result = mTextEditor->InsertBreak();
  TEST_RESULT(result);
  mEditor->DebugDumpContent();

  // insert a second break adjacent to the first
  printf("inserting a second break\n");
  result = mTextEditor->InsertBreak();
  TEST_RESULT(result);
  mEditor->DebugDumpContent();
    
  return result;
}

nsresult TextEditorTest::TestTextProperties()
{
  nsCOMPtr<nsIDOMDocument>doc;
  nsresult result = mEditor->GetDocument(getter_AddRefs(doc));
  TEST_RESULT(result);
  TEST_POINTER(doc.get());
  nsCOMPtr<nsIDOMNodeList>nodeList;
  nsAutoString textTag = "__moz_text";
  result = doc->GetElementsByTagName(textTag, getter_AddRefs(nodeList));
  TEST_RESULT(result);
  TEST_POINTER(nodeList.get());
  PRUint32 count;
  nodeList->GetLength(&count);
  NS_ASSERTION(0!=count, "there are no text nodes in the document!");
  nsCOMPtr<nsIDOMNode>textNode;
  result = nodeList->Item(0, getter_AddRefs(textNode));
  TEST_RESULT(result);
  TEST_POINTER(textNode.get());

  // set the whole text node to bold
  printf("set the whole first text node to bold\n");
  nsCOMPtr<nsIDOMSelection>selection;
  result = mEditor->GetSelection(getter_AddRefs(selection));
  TEST_RESULT(result);
  TEST_POINTER(selection.get());
  nsCOMPtr<nsIDOMCharacterData>textData;
  textData = do_QueryInterface(textNode);
  PRUint32 length;
  textData->GetLength(&length);
  selection->Collapse(textNode, 0);
  selection->Extend(textNode, length);
  PRBool any = PR_FALSE;
  PRBool all = PR_FALSE;
  PRBool first=PR_FALSE;
  result = mTextEditor->GetTextProperty(nsIEditProperty::b, nsnull, nsnull, first, any, all);
  TEST_RESULT(result);
  NS_ASSERTION(PR_FALSE==first, "first should be false");
  NS_ASSERTION(PR_FALSE==any, "any should be false");
  NS_ASSERTION(PR_FALSE==all, "all should be false");
  result = mTextEditor->SetTextProperty(nsIEditProperty::b, nsnull, nsnull);
  TEST_RESULT(result);
  result = mTextEditor->GetTextProperty(nsIEditProperty::b, nsnull, nsnull, first, any, all);
  TEST_RESULT(result);
  NS_ASSERTION(PR_TRUE==first, "first should be true");
  NS_ASSERTION(PR_TRUE==any, "any should be true");
  NS_ASSERTION(PR_TRUE==all, "all should be true");
  mEditor->DebugDumpContent();

  // remove the bold we just set
  printf("set the whole first text node to not bold\n");
  result = mTextEditor->RemoveTextProperty(nsIEditProperty::b, nsnull);
  TEST_RESULT(result);
  result = mTextEditor->GetTextProperty(nsIEditProperty::b, nsnull, nsnull, first, any, all);
  TEST_RESULT(result);
  NS_ASSERTION(PR_FALSE==first, "first should be false");
  NS_ASSERTION(PR_FALSE==any, "any should be false");
  NS_ASSERTION(PR_FALSE==all, "all should be false");
  mEditor->DebugDumpContent();

  // set all but the first and last character to bold
  printf("set the first text node (1, length-1) to bold and italic, and (2, length-1) to underline.\n");
  selection->Collapse(textNode, 1);
  selection->Extend(textNode, length-1);
  result = mTextEditor->SetTextProperty(nsIEditProperty::b, nsnull, nsnull);
  TEST_RESULT(result);
  result = mTextEditor->GetTextProperty(nsIEditProperty::b, nsnull, nsnull, first, any, all);
  TEST_RESULT(result);
  NS_ASSERTION(PR_TRUE==first, "first should be true");
  NS_ASSERTION(PR_TRUE==any, "any should be true");
  NS_ASSERTION(PR_TRUE==all, "all should be true");
  mEditor->DebugDumpContent();
  // make all that same text italic
  result = mTextEditor->SetTextProperty(nsIEditProperty::i, nsnull, nsnull);
  TEST_RESULT(result);
  result = mTextEditor->GetTextProperty(nsIEditProperty::i, nsnull, nsnull, first, any, all);
  TEST_RESULT(result);
  NS_ASSERTION(PR_TRUE==first, "first should be true");
  NS_ASSERTION(PR_TRUE==any, "any should be true");
  NS_ASSERTION(PR_TRUE==all, "all should be true");
  result = mTextEditor->GetTextProperty(nsIEditProperty::b, nsnull, nsnull, first, any, all);
  TEST_RESULT(result);
  NS_ASSERTION(PR_TRUE==first, "first should be true");
  NS_ASSERTION(PR_TRUE==any, "any should be true");
  NS_ASSERTION(PR_TRUE==all, "all should be true");
  mEditor->DebugDumpContent();

  // make all the text underlined, except for the first 2 and last 2 characters
  result = doc->GetElementsByTagName(textTag, getter_AddRefs(nodeList));
  TEST_RESULT(result);
  TEST_POINTER(nodeList.get());
  nodeList->GetLength(&count);
  NS_ASSERTION(0!=count, "there are no text nodes in the document!");
  result = nodeList->Item(1, getter_AddRefs(textNode));
  TEST_RESULT(result);
  TEST_POINTER(textNode.get());
  textData = do_QueryInterface(textNode);
  textData->GetLength(&length);
  selection->Collapse(textNode, 1);
  selection->Extend(textNode, length-2);

  result = mTextEditor->SetTextProperty(nsIEditProperty::u, nsnull, nsnull);
  TEST_RESULT(result);
  result = mTextEditor->GetTextProperty(nsIEditProperty::u, nsnull, nsnull, first, any, all);
  TEST_RESULT(result);
  NS_ASSERTION(PR_TRUE==first, "first should be true");
  NS_ASSERTION(PR_TRUE==any, "any should be true");
  NS_ASSERTION(PR_TRUE==all, "all should be true");
  mEditor->DebugDumpContent();

  return result;
}



#endif