java单元测试篇：使用clover为java代码的junit测试做覆盖率分析(2)

public boolean isZero() { return fMonies.size() == 0; }

public IMoney multiply(int factor) { MoneyBag result= new MoneyBag(); if (factor != 0) {

for (Enumeration e= fMonies.elements(); e.hasMoreElements(); ) { Money m= (Money) e.nextElement();

result.appendMoney((Money)m.multiply(factor)); } }

return result; }

public IMoney negate() {

MoneyBag result= new MoneyBag();

for (Enumeration e= fMonies.elements(); e.hasMoreElements(); ) { Money m= (Money) e.nextElement(); result.appendMoney((Money)m.negate()); }

return result; }

private IMoney simplify() { if (fMonies.size() == 1)

return (IMoney)fMonies.elements().nextElement(); return this; }

public IMoney subtract(IMoney m) { return add(m.negate()); }

public String toString() {

StringBuffer buffer = new StringBuffer(); buffer.append(\

for (Enumeration e= fMonies.elements(); e.hasMoreElements(); ) buffer.append(e.nextElement()); buffer.append(\return buffer.toString(); }

public void appendTo(MoneyBag m) { m.appendBag(this); } }

之后，我们创建一个junit测试代码MoneyTest.java，来测试Money.java和MoneyBag.java类，这里我也把它放在src目录下；如果企业应用，你就要把

目录分析的详细些，例如src子目录下放所有的java源代码，test子目录下放所有的junit测试代码： import junit.framework.*;

public class MoneyTest extends TestCase { private Money f12CHF; private Money f14CHF; private Money f7USD; private Money f21USD; private IMoney fMB1; private IMoney fMB2;

public static void main(String args[]) { junit.textui.TestRunner.run(MoneyTest.class); }

protected void setUp() { f12CHF= new Money(12, \f14CHF= new Money(14, \f7USD= new Money( 7, \f21USD= new Money(21, \fMB1= MoneyBag.create(f12CHF, f7USD); fMB2= MoneyBag.create(f14CHF, f21USD); }

public void testBagMultiply() {

// {[12 CHF][7 USD]} *2 == {[24 CHF][14 USD]}

IMoney expected= MoneyBag.create(new Money(24, \new Money(14, \

assertEquals(expected, fMB1.multiply(2)); assertEquals(fMB1, fMB1.multiply(1)); assertTrue(fMB1.multiply(0).isZero()); }

public void testBagNegate() {

// {[12 CHF][7 USD]} negate == {[-12 CHF][-7 USD]}

IMoney expected= MoneyBag.create(new Money(-12, \new Money(-7, \

assertEquals(expected, fMB1.negate()); }

public void testBagSimpleAdd() {

// {[12 CHF][7 USD]} + [14 CHF] == {[26 CHF][7 USD]}

IMoney expected= MoneyBag.create(new Money(26, \\

assertEquals(expected, fMB1.add(f14CHF)); }

public void testBagSubtract() {

// {[12 CHF][7 USD]} - {[14 CHF][21 USD] == {[-2 CHF][-14 USD]} IMoney expected= MoneyBag.create(new Money(-2, \new Money(-14, \

assertEquals(expected, fMB1.subtract(fMB2)); }

public void testBagSumAdd() {

// {[12 CHF][7 USD]} + {[14 CHF][21 USD]} == {[26 CHF][28 USD]} IMoney expected= MoneyBag.create(new Money(26, \new Money(28, \

assertEquals(expected, fMB1.add(fMB2)); }

public void testIsZero() {

assertTrue(fMB1.subtract(fMB1).isZero());

assertTrue(MoneyBag.create(new Money (0, \\}

public void testMixedSimpleAdd() { // [12 CHF] + [7 USD] == {[12 CHF][7 USD]} IMoney expected= MoneyBag.create(f12CHF, f7USD); assertEquals(expected, f12CHF.add(f7USD)); }

public void testBagNotEquals() {

IMoney bag= MoneyBag.create(f12CHF, f7USD);

assertFalse(bag.equals(new Money(12, \}

public void testMoneyBagEquals() { assertTrue(!fMB1.equals(null)); assertEquals(fMB1, fMB1);

IMoney equal= MoneyBag.create(new Money(12, \\

assertTrue(fMB1.equals(equal));

assertTrue(!fMB1.equals(f12CHF)); assertTrue(!f12CHF.equals(fMB1)); assertTrue(!fMB1.equals(fMB2)); }

public void testMoneyBagHash() {

IMoney equal= MoneyBag.create(new Money(12, \\

assertEquals(fMB1.hashCode(), equal.hashCode()); }

public void testMoneyEquals() { assertTrue(!f12CHF.equals(null)); Money equalMoney= new Money(12, \assertEquals(f12CHF, f12CHF); assertEquals(f12CHF, equalMoney);

assertEquals(f12CHF.hashCode(), equalMoney.hashCode()); assertTrue(!f12CHF.equals(f14CHF)); }

public void testMoneyHash() { assertTrue(!f12CHF.equals(null)); Money equal= new Money(12, \

assertEquals(f12CHF.hashCode(), equal.hashCode()); }

public void testSimplify() {

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