LazySetterMethodTest.java

/*
 * Copyright 2011 Blazebit
 */
package com.blazebit.reflection;

import static org.junit.Assert.assertEquals;
import org.junit.Before;
import org.junit.Test;

/**
 * 
 * @author Christian Beikov
 */
public class LazySetterMethodTest {

	private class A {
		private B b;

		public A(B b) {
			this.b = b;
		}

		public B getB() {
			return b;
		}

		@SuppressWarnings("unused")
		public void setB(B b) {
			this.b = b;
		}
	}

	private class B {
		private String s;

		public B(String s) {
			this.s = s;
		}

		public String getS() {
			return s;
		}

		public void setS(String s) {
			this.s = s;
		}

	}

	private A a;

	@Before
	public void setUp() {
		this.a = new A(new B(""));
	}

	/**
	 * Test of invoke method, of class LazySetterMethod.
	 */
	@Test
	public void testInvoke() throws Exception {
		new LazySetterMethod(a, "b.s", "value").invoke();
		assertEquals(a.getB().getS(), "value");
		a.getB().setS("test");
		assertEquals(a.getB().getS(), "test");

		new LazySetterMethod(a, "b.s", new LazyGetterMethod(new B("lazyValue"),
				"s")).invoke();
		assertEquals(a.getB().getS(), "lazyValue");
		a.getB().setS(new B("lazyValue").getS());
		assertEquals(a.getB().getS(), "lazyValue");
	}
}