// -*- mode: java; c-basic-offset: 2; -*-
// Copyright 2009-2011 Google, All Rights reserved
// Copyright 2011-2012 MIT, All rights reserved
// Released under the Apache License, Version 2.0
// http://www.apache.org/licenses/LICENSE-2.0

package com.google.appinventor.components.common;

import junit.framework.TestCase;

/**
 * Tests HtmlEntities.java.
 *
 * @author lizlooney@google.com (Liz Looney)
 */
public class HtmlEntitiesTest extends TestCase {
  public void testdecodeHtmlText() throws Exception {
    // Empty string
    assertEquals("",
        HtmlEntities.decodeHtmlText(""));

    // No entities
    assertEquals("No entities",
        HtmlEntities.decodeHtmlText("No entities"));

    // Recognized entities
    assertEquals("< less than < less than <",
        HtmlEntities.decodeHtmlText("< less than < less than <"));
    assertEquals("> greater than > greater than >",
        HtmlEntities.decodeHtmlText("> greater than > greater than >"));
    assertEquals("& ampersand & ampersand &",
        HtmlEntities.decodeHtmlText("& ampersand & ampersand &"));
    assertEquals("' apostrophe ' apostrophe '",
        HtmlEntities.decodeHtmlText("' apostrophe ' apostrophe '"));
    assertEquals("\" quotes \" quotes \"",
        HtmlEntities.decodeHtmlText("" quotes " quotes ""));

    // Numeric entities
    assertEquals("' apostrophe ' apostrophe '",
        HtmlEntities.decodeHtmlText("' apostrophe ' apostrophe '"));
    assertEquals("' apostrophe ' apostrophe '",
        HtmlEntities.decodeHtmlText("' apostrophe ' apostrophe '"));

    // Unrecognized entities are not decoded. No exception is thrown.
    assertEquals("No semicolon after ampersand &",
        HtmlEntities.decodeHtmlText("No semicolon after ampersand &"));
    assertEquals("&; not decoded &; not decoded &;",
        HtmlEntities.decodeHtmlText("&; not decoded &; not decoded &;"));
    assertEquals("&abc; not decoded &abc; not decoded &abc;",
      HtmlEntities.decodeHtmlText("&abc; not decoded &abc; not decoded &abc;"));
    assertEquals("A not decoded A not decoded A",  // illegal decimal value
        HtmlEntities.decodeHtmlText("A not decoded A not decoded A"));
    assertEquals("G; not decoded G; not decoded G;",  // illegal hex value
        HtmlEntities.decodeHtmlText("G; not decoded G; not decoded G;"));
  }
}