/***
    * Copyright (C) 2009, Gajo Csaba
    *
    * This file is free software; the author gives unlimited 
    * permission to copy and/or distribute it, with or without
    * modifications, as long as this notice is preserved.
    * 
    * For more information read the LICENSE file that came
    * with this distribution. 
   */
  package net.sourceforge.makefileparser.test.objects;
  
  import net.sourceforge.makefileparser.managers.VariableManager;
  import net.sourceforge.makefileparser.objects.Variable;
  import junit.framework.TestCase;
  
  /***
   * @author cgajo
   */
  public class VariableTest extends TestCase {
  
  	private Variable var;
  	private VariableManager manager = new VariableManager();
  	
  	protected void setUp() throws Exception {
  		super.setUp();
  		manager.addNew(new Variable("x", "y"));
  		manager.addNew(new Variable("y", "z"));
  		manager.addNew(new Variable("a", "c"));
  		manager.addNew(new Variable("ccc", "ddd"));
  		
  		manager.addNew(new Variable("ex1", "$(a)"));
  		manager.addNew(new Variable("ex2", "$(ex1)"));
  		manager.addNew(new Variable("ex3", "$(ex2)"));
  		manager.addNew(new Variable("loop", "$(loop)"));
  	}
  	
  	public void testExpansion1() {
  		var = new Variable("aaa", "bbb$(x)bbb");
  		var.expand(manager);
  		assertEquals("bbbybbb", var.getValue());
  	}
  	
  	public void testExpansion2() {
  		var = new Variable("aaa", "bbbbbb$(x)");
  		var.expand(manager);
  		assertEquals("bbbbbby", var.getValue());
  	}
  	
  	
  	public void testExpansion3() {
  		var = new Variable("aaa", "$(x)bbbbbb");
  		var.expand(manager);
  		assertEquals("ybbbbbb", var.getValue());
  	}
  	
  	public void testExpansion4() {
  		var = new Variable("aaa", "bbb$(x)bbb");
  		var.expand(manager);
  		assertEquals("bbbybbb", var.getValue());
  	}
  	
  	public void testExpansion5() {
  		var = new Variable("aaa", "bbb$($(x))bbb");
  		var.expand(manager);
  		assertEquals("bbbzbbb", var.getValue());
  	}
  	
  	public void testExpansion6() {
  		var = new Variable("aaa", "$(x)");
  		var.expand(manager);
  		assertEquals("y", var.getValue());
  	}
  	
  	public void testExpansion7() {
  		var = new Variable("aaa", "$($(x))");
  		var.expand(manager);
  		assertEquals("z", var.getValue());
  	}
  	
  	public void testExpansion8() {
  		var = new Variable("aaa", "$($(a)$(a)$(a))");
  		var.expand(manager);
  		assertEquals("ddd", var.getValue());
  	}
  	
  	public void testEscapeChar1() {
  		var = new Variable("aaa", "a//$//(aaa//)aaa");
  		var.expand(manager);
  		assertEquals("a////(aaa//)aaa", var.getValue());
  	}
  	
  	public void testEscapeChar2() {
  		var = new Variable("aaa", "aaa$aaa");
  		var.expand(manager);
  		assertEquals("aaaaaa", var.getValue());
  	}
  	
  	public void testEscapeChar3() {
 		var = new Variable("aaa", "aaa$$aaa");
 		var.expand(manager);
 		assertEquals("aaa$aaa", var.getValue());
 	}
 	
 	public void testEscapeChar4() {
 		var = new Variable("aaa", "//$a//$//(aaa//)aaa//(");
 		var.expand(manager);
 		assertEquals("//a////(aaa//)aaa//(", var.getValue());
 	}
 	
 	public void testEscapeChar5() {
 		var = new Variable("aaa", "$aaa$aaa$");
 		var.expand(manager);
 		assertEquals("aaaaaa", var.getValue());
 	}
 	
 	public void testEscapeChar6() {
 		var = new Variable("aaa", "$$aaa$$aaa$$");
 		var.expand(manager);
 		assertEquals("$aaa$aaa$", var.getValue());
 	}
 	
 	public void testEscapeChar7() {
 		var = new Variable("aaa", "$$a//$//(aaa//)aaa$");
 		var.expand(manager);
 		assertEquals("$a////(aaa//)aaa", var.getValue());
 	}
 	
 	public void testEscapeChar8() {
 		var = new Variable("aaa", "aaa$aaa////////");
 		var.expand(manager);
 		assertEquals("aaaaaa////////", var.getValue());
 	}
 	
 	public void testEscapeChar9() {
 		var = new Variable("aaa", "aaa$$aaa$$////$");
 		var.expand(manager);
 		assertEquals("aaa$aaa$////", var.getValue());
 	}
 	
 	public void testOverride1() {
 		var = new Variable("x", "zzz", false, false);
 		boolean result = manager.addNew(var);
 		assertTrue(result);
 	}
 	
 	public void testOverride2() {
 		var = new Variable("x", "zzz", true, false);
 		boolean result = manager.addNew(var);
 		assertTrue(result);
 	}
 	
 	public void testOverride3() {
 		manager.addNew(new Variable("x", "zzz", true, false));
 		var = new Variable("x", "hhh", false, true);
 		boolean result = manager.addNew(var);
 		assertFalse(result);  // because an override was added first
 	}
 	
 	public void testOverride4() {
 		var = new Variable("x", "y", true, true);
 		boolean result = manager.addNew(var);
 		assertTrue(result);
 	}
 	
 	public void testComplexExpansion1() {
 		String value = manager.getValue("ex2");   // ex2 = $(ex1) = $(a) = c
 		assertEquals("c", value);
 	}
 	
 	public void testComplexExpansion2() {
 		String value = manager.getValue("ex3");   // ex3 = ex2 = $(ex1) = $(a) = c
 		assertEquals("c", value);
 	}
 	
 	/*
 	public void testComplexExpansion3() {
 		manager.addNew(new Variable("lala", "$(lele)"));
 		manager.addNew(new Variable("lele", "//$//(lele//)"));
 		String value = manager.getValue("lala");   
 		assertEquals("(lele)", value);
 	}
 	*/
 	
 	public void testLoop() {
 		try {
 			String value = manager.getValue("loop");   // loop = $(loop)
 			fail("Must throw an error!");			
 		} catch (Error ex) {
 			assertTrue(true);  // ok
 		}
 	}
 	
 	public void testBuiltInVars() {
 		String value = manager.getValue("CXX");   // loop = $(loop)
 		assertEquals("g++", value);
 		value = manager.getValue("CPP");   // loop = $(loop)
 		assertEquals("cc -g", value);
 	}
 	
 }