/*
    * Licensed under the GPL License. You may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *   https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
    *
    * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
    * WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
    * PURPOSE.
   */
  package psiprobe.tokenizer;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.io.IOException;
  
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests for {@link StringTokenizer}.
   */
  class StringTokenizerTest {
  
    @Test
    void testSimpleString() throws IOException {
      StringTokenizer tokenizer = new StringTokenizer("hello world");
      assertTrue(tokenizer.hasMore());
      Token token = tokenizer.nextToken();
      assertEquals("hello world", token.getText());
      assertEquals(Tokenizer.TT_TOKEN, token.getType());
      assertFalse(tokenizer.hasMore());
    }
  
    @Test
    void testEmptyString() throws IOException {
      StringTokenizer tokenizer = new StringTokenizer("");
      assertFalse(tokenizer.hasMore());
    }
  
    @Test
    void testDefaultConstructorThenSetString() throws IOException {
      StringTokenizer tokenizer = new StringTokenizer();
      tokenizer.setString("abc");
      assertTrue(tokenizer.hasMore());
      Token token = tokenizer.nextToken();
      assertEquals("abc", token.getText());
    }
  
    @Test
    void testWithSymbols() throws IOException {
      StringTokenizer tokenizer = new StringTokenizer("a,b,c");
      tokenizer.addSymbol(",");
      Token t1 = tokenizer.nextToken();
      assertEquals("a", t1.getText());
      assertEquals(Tokenizer.TT_TOKEN, t1.getType());
  
      Token t2 = tokenizer.nextToken();
      assertEquals(",", t2.getText());
      assertEquals(Tokenizer.TT_SYMBOL, t2.getType());
  
      Token t3 = tokenizer.nextToken();
      assertEquals("b", t3.getText());
  
      Token t4 = tokenizer.nextToken();
      assertEquals(",", t4.getText());
  
      Token t5 = tokenizer.nextToken();
      assertEquals("c", t5.getText());
  
      assertFalse(tokenizer.hasMore());
    }
  
    @Test
    void testWithBlock() throws IOException {
      StringTokenizer tokenizer = new StringTokenizer("text[block]end");
      tokenizer.addSymbol("[", "]", false);
      Token t1 = tokenizer.nextToken();
      assertEquals("text", t1.getText());
  
      Token t2 = tokenizer.nextToken();
      assertEquals(Tokenizer.TT_BLOCK, t2.getType());
      assertEquals("block", t2.getInnerText());
      assertEquals("[block]", t2.getText());
  
      Token t3 = tokenizer.nextToken();
      assertEquals("end", t3.getText());
    }
  
    @Test
    void testSetStringOverridesOld() throws IOException {
      StringTokenizer tokenizer = new StringTokenizer("first");
      tokenizer.setString("second");
      Token token = tokenizer.nextToken();
      assertEquals("second", token.getText());
    }
  }