package com.google.common.base;

import static org.junit.Assert.*;

import org.junit.Test;
import org.mockito.Mockito;

public class TestSuppliers {

	@Test
	public void composeTest() {
		Function<Integer, String> function = (Function<Integer, String>) Mockito.mock(Function.class);
		Supplier<Integer> supplier = (Supplier<Integer>) Mockito.mock(Supplier.class);
		
		Supplier<String> result = Suppliers.compose(function, supplier);
		assertNotNull(result);
	}
	
	@Test
	public void memoizeTest() {
		Supplier<Integer> supplier = (Supplier<Integer>) Mockito.mock(Supplier.class);
		Integer retVal = new Integer(5);
		Mockito.when(supplier.get()).thenReturn(retVal);
		supplier = Suppliers.memoize(supplier);
		Integer result = supplier.get();
		assertEquals(retVal, result);
	}
}