1student-files.zip_ICARNEGIE_icarnegie book

import java.io.*; /** * Test driver for class <code>Product</code>. * * @author author name * @version 1.0.0 * @see Product */ public class TestProduct { /* Standard output stream */ private static PrintWriter stdOut = new PrintWriter(System.out, true); /* Standard error stream */ private static PrintWriter stdErr = new PrintWriter(System.err, true); /** * Displays a message in the standard error stream if the value specified * by parameter <code>condition<code> is <code>false</code>. * * @param message the error message. * @param condition the test condition. */ public static void assertTrue(String message, boolean condition) { if (! condition) { stdErr.print("** Test failure "); stdErr.println(message); } } /** * Test driver for class <code>Product</code>. * * @param args not used. */ public static void main(String[] args) { String code = "C001"; String description = "Colombia, Whole, 1 lb"; double price = 10.0; // Test accessors Product product = new Product(code, description, price); assertTrue("1: testing method getCode", code.equals(product.getCode())); assertTrue("2: testing method getDescription", description.equals(product.getDescription())); assertTrue("3: testing method getPrice", price == product.getPrice()); // Test method equals String codeOne = "C001"; String descriptionOne = "Colombia, Whole, 1 lb"; double priceOne= 17.99; String codeTwo = "B111"; String descriptionTwo = "Home Coffee Brewer"; double priceTwo= 150.00; Product productOne = new Product(codeOne, descriptionOne, priceOne); Product productTwo = new Product(codeOne, descriptionTwo, priceTwo); Product productThree = new Product(codeTwo, descriptionTwo, priceTwo); assertTrue("4: testing method equals", productOne.equals(productTwo)); assertTrue("5: testing method equals", !productOne.equals(productThree)); assertTrue("6: testing method equals", !productOne.equals("Product")); // Test method toString product = new Product(code, description, price); String result = code + "_" + description + "_" + price; assertTrue("7: testing method toString", result.equals(product.toString())); stdOut.println("done"); } }