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<div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62978340dc79e9483f761d71/bg1.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">假<span class="_ _0"></span>定一<span class="_ _0"></span>台<span class="_ _1"> </span><span class="ff2">A<span class="_ _2"></span>TM<span class="_ _3"> </span><span class="ff1">机<span class="_ _0"></span>允许<span class="_ _0"></span>提<span class="_ _0"></span>取<span class="_ _0"></span>得<span class="_ _0"></span>增<span class="_ _0"></span>量为<span class="_ _1"> </span></span>5<span class="_ _0"></span>0<span class="_ _3"> </span><span class="ff1">元,<span class="_ _0"></span>总<span class="_ _0"></span>额<span class="_ _0"></span>为从<span class="_ _1"> </span></span>50<span class="_"> </span><span class="ff1">到<span class="_ _3"> </span></span>5000<span class="_ _3"> </span><span class="ff1">元不<span class="_ _0"></span>等<span class="_ _0"></span>的<span class="_ _0"></span>现金<span class="_ _0"></span>,<span class="_ _0"></span>并<span class="_ _0"></span>要</span></span></div><div class="t m0 x2 h3 y3 ff1 fs0 fc0 sc0 ls0 ws0">求<span class="_ _0"></span>一次<span class="_ _0"></span>最<span class="_ _0"></span>多<span class="_ _0"></span>取<span class="_ _3"> </span><span class="ff2">2000<span class="_"> </span></span>元,<span class="_ _0"></span>一天<span class="_ _0"></span>最<span class="_ _0"></span>多<span class="_ _0"></span>取<span class="_ _3"> </span><span class="ff2">5000<span class="_"> </span></span>元,<span class="_ _0"></span>一<span class="_ _0"></span>天<span class="_ _0"></span>最多<span class="_ _0"></span>取<span class="_ _3"> </span><span class="ff2">3<span class="_"> </span></span>次。<span class="_ _0"></span>请<span class="_ _0"></span>用<span class="_ _0"></span>等<span class="_ _0"></span>价类<span class="_ _0"></span>划<span class="_ _0"></span>分<span class="_ _0"></span>的思<span class="_ _0"></span>想<span class="_ _0"></span>设</div><div class="t m0 x2 h3 y4 ff1 fs0 fc0 sc0 ls0 ws0">计测试用例。</div><div class="t m0 x2 h3 y5 ff1 fs0 fc0 sc0 ls0 ws0">答:分析输入条件:</div><div class="t m0 x1 h3 y6 ff1 fs0 fc0 sc0 ls0 ws0">取钱次数<span class="ff2"> </span>有效等价类<span class="ff2"> </span>一次、二次、三次<span class="ff2"> </span>无效等价类:<span class="ff2">3<span class="_ _3"> </span></span>次以上</div><div class="t m0 x1 h3 y7 ff1 fs0 fc0 sc0 ls0 ws0">一次取的钱<span class="ff2"> </span>有效等价类<span class="ff2"> 0<=x<=2000 </span>无效等价类:<span class="ff2">>2000</span></div><div class="t m0 x1 h3 y8 ff1 fs0 fc0 sc0 ls0 ws0">一天最多取钱<span class="ff2"> </span>有效等价类<span class="ff2"> </span>小于<span class="_ _3"> </span><span class="ff2">5000<span class="_ _4"> </span></span>元<span class="ff2"> </span>无效等价类:大于<span class="_ _4"> </span><span class="ff2">5000</span></div><div class="t m0 x1 h3 y9 ff2 fs0 fc0 sc0 ls0 ws0"> <span class="ff1">一次取款大于<span class="_ _3"> </span></span>5000<span class="ff1">,</span></div><div class="t m0 x3 h3 ya ff1 fs0 fc0 sc0 ls0 ws0">二次取款累计大于<span class="_ _4"> </span><span class="ff2">5000</span>,</div><div class="t m0 x3 h3 yb ff1 fs0 fc0 sc0 ls0 ws0">三次取款累计大于<span class="_ _4"> </span><span class="ff2">5000</span>,</div><div class="t m0 x1 h3 yc ff1 fs0 fc0 sc0 ls0 ws0">取钱的增量<span class="ff2"> </span>有效等价类<span class="ff2"> 50<span class="_ _4"> </span></span>元<span class="ff2"> <span class="_ _0"></span> </span>无效等价类:非<span class="_ _4"> </span><span class="ff2">50<span class="_ _3"> </span></span>元</div><div class="t m0 x1 h3 yd ff2 fs0 fc0 sc0 ls0 ws0"> <span class="ff1">(以<span class="_ _4"> </span></span>50<span class="_ _3"> </span><span class="ff1">为倍数)</span></div><div class="t m0 x2 h3 ye ff1 fs0 fc0 sc0 ls0 ws0">其它:有效等价类<span class="ff2"> </span>无效等价类</div><div class="t m0 x4 h3 yf ff2 fs0 fc0 sc0 ls0 ws0">A<span class="_ _2"></span>TM<span class="_ _4"> </span><span class="ff1">机中的钱够取</span> A<span class="_ _2"></span>TM<span class="_ _3"> </span><span class="ff1">机中的钱不够取</span></div><div class="t m0 x4 h3 y10 ff1 fs0 fc0 sc0 ls0 ws0">卡中余额足<span class="ff2"> </span>卡中余额不足</div><div class="t m0 x4 h3 y11 ff1 fs0 fc0 sc0 ls0 ws0">取款操作正确<span class="ff2"> </span>取款过程操作有误</div><div class="t m0 x4 h3 y12 ff1 fs0 fc0 sc0 ls0 ws0">机器正常<span class="ff2"> </span>机器故障(吞卡)</div><div class="t m0 x2 h3 y13 ff1 fs0 fc0 sc0 ls0 ws0">等价类表</div><div class="t m0 x5 h3 y14 ff1 fs0 fc0 sc0 ls0 ws0">有效等价类<span class="_ _5"> </span>编号<span class="_ _6"> </span>无效等价类<span class="_ _7"> </span>编号</div><div class="t m0 x2 h3 y15 ff1 fs0 fc0 sc0 ls0 ws0">输</div><div class="t m0 x2 h3 y16 ff1 fs0 fc0 sc0 ls0 ws0">入</div><div class="t m0 x2 h3 y17 ff1 fs0 fc0 sc0 ls0 ws0">条</div><div class="t m0 x2 h3 y18 ff1 fs0 fc0 sc0 ls0 ws0">件</div><div class="t m0 x6 h3 y15 ff1 fs0 fc0 sc0 ls0 ws0">取钱次数<span class="_ _8"> </span>一次:<span class="ff2">100</span></div><div class="t m0 x7 h4 y19 ff2 fs0 fc0 sc0 ls0 ws0">1</div><div class="t m0 x8 h3 y15 ff1 fs0 fc0 sc0 ls0 ws0">超过<span class="_ _4"> </span><span class="ff2">3<span class="_ _3"> </span></span>次:</div><div class="t m0 x8 h4 y1a ff2 fs0 fc0 sc0 ls0 ws0">100+2000+1200+300</div><div class="t m0 x9 h4 y19 ff2 fs0 fc0 sc0 ls0 ws0">1<span class="_ _9"></span>1</div><div class="t m0 x5 h3 y1b ff1 fs0 fc0 sc0 ls0 ws0">二次:<span class="ff2">2000+150</span></div><div class="t m0 x7 h4 y1c ff2 fs0 fc0 sc0 ls0 ws0">2</div><div class="t m0 x5 h3 y1d ff1 fs0 fc0 sc0 ls0 ws0">三次<span class="_ _4"> </span><span class="ff2">1500<span class="_ _0"></span>+1000+500</span></div><div class="t m0 x7 h4 y1e ff2 fs0 fc0 sc0 ls0 ws0">3</div><div class="t m0 x6 h3 y1f ff1 fs0 fc0 sc0 ls0 ws0">一次取的钱<span class="_ _a"> </span>小于等于<span class="_ _4"> </span><span class="ff2">2000</span>:</div><div class="t m0 x5 h4 y20 ff2 fs0 fc0 sc0 ls0 ws0">1500</div><div class="t m0 x7 h4 y21 ff2 fs0 fc0 sc0 ls0 ws0">4</div><div class="t m0 x8 h3 y1f ff1 fs0 fc0 sc0 ls0 ws0">超过<span class="_ _4"> </span><span class="ff2">2000</span>:<span class="ff2">2500</span></div><div class="t m0 x9 h4 y21 ff2 fs0 fc0 sc0 ls0 ws0">12</div><div class="t m0 x6 h3 y22 ff1 fs0 fc0 sc0 ls0 ws0">一<span class="_ _b"></span>天<span class="_ _b"></span>最<span class="_ _b"></span>多<span class="_ _b"></span>取</div><div class="t m0 x6 h3 y23 ff1 fs0 fc0 sc0 ls0 ws0">钱</div><div class="t m0 x5 h3 y22 ff1 fs0 fc0 sc0 ls0 ws0">小于等于<span class="_ _4"> </span><span class="ff2">5000</span></div><div class="t m0 x7 h4 y24 ff2 fs0 fc0 sc0 ls0 ws0">5</div><div class="t m0 x8 h3 y22 ff1 fs0 fc0 sc0 ls0 ws0">一次取款大于<span class="_ _4"> </span><span class="ff2">5000</span></div><div class="t m0 x9 h4 y24 ff2 fs0 fc0 sc0 ls0 ws0">13</div><div class="t m0 x8 h3 y25 ff1 fs0 fc0 sc0 ls0 ws0">二次取款累计大于<span class="_ _4"> </span><span class="ff2">5000</span></div><div class="t m0 x9 h4 y26 ff2 fs0 fc0 sc0 ls0 ws0">14</div><div class="t m0 x8 h3 y27 ff1 fs0 fc0 sc0 ls0 ws0">三次取款累计大于<span class="_ _4"> </span><span class="ff2">5000</span></div><div class="t m0 x9 h4 y28 ff2 fs0 fc0 sc0 ls0 ws0">15</div><div class="t m0 x6 h3 y29 ff1 fs0 fc0 sc0 ls0 ws0">取钱的增量<span class="_ _a"> </span><span class="ff2">50<span class="_ _4"> </span></span>元</div><div class="t m0 x7 h4 y2a ff2 fs0 fc0 sc0 ls0 ws0">6</div><div class="t m0 x8 h3 y29 ff1 fs0 fc0 sc0 ls0 ws0">小于<span class="_ _4"> </span><span class="ff2">50<span class="_ _3"> </span></span>元:<span class="ff2">30</span></div><div class="t m0 x9 h4 y2a ff2 fs0 fc0 sc0 ls0 ws0">16</div><div class="t m0 x8 h3 y2b ff1 fs0 fc0 sc0 ls0 ws0">大于<span class="_ _4"> </span><span class="ff2">50<span class="_ _3"> </span></span>元:<span class="ff2">1220</span></div><div class="t m0 x9 h4 y2c ff2 fs0 fc0 sc0 ls0 ws0">17</div><div class="t m0 x2 h3 y2d ff1 fs0 fc0 sc0 ls0 ws0">其</div><div class="t m0 x2 h3 y2e ff1 fs0 fc0 sc0 ls0 ws0">它</div><div class="t m0 x5 h3 y2d ff2 fs0 fc0 sc0 ls0 ws0">A<span class="_ _2"></span>TM<span class="_ _4"> </span><span class="ff1">机中的钱够取</span></div><div class="t m0 x7 h4 y2f ff2 fs0 fc0 sc0 ls0 ws0">7</div><div class="t m0 x8 h3 y2d ff2 fs0 fc0 sc0 ls0 ws0">A<span class="_ _2"></span>TM<span class="_ _4"> </span><span class="ff1">机中的钱不够取</span></div><div class="t m0 x9 h4 y2f ff2 fs0 fc0 sc0 ls0 ws0">18</div><div class="t m0 x5 h3 y30 ff1 fs0 fc0 sc0 ls0 ws0">卡中余额足</div><div class="t m0 x7 h4 y31 ff2 fs0 fc0 sc0 ls0 ws0">8</div><div class="t m0 x8 h3 y30 ff1 fs0 fc0 sc0 ls0 ws0">卡中余额不足</div><div class="t m0 x9 h4 y31 ff2 fs0 fc0 sc0 ls0 ws0">19</div><div class="t m0 x5 h3 y32 ff1 fs0 fc0 sc0 ls0 ws0">取款操作正确</div><div class="t m0 x7 h4 y33 ff2 fs0 fc0 sc0 ls0 ws0">9</div><div class="t m0 x8 h3 y32 ff1 fs0 fc0 sc0 ls0 ws0">取款过程操作有误</div><div class="t m0 x9 h4 y33 ff2 fs0 fc0 sc0 ls0 ws0">20</div><div class="t m0 x5 h3 y34 ff1 fs0 fc0 sc0 ls0 ws0">机器正常</div><div class="t m0 x7 h4 y35 ff2 fs0 fc0 sc0 ls0 ws0">10</div><div class="t m0 x8 h3 y34 ff1 fs0 fc0 sc0 ls0 ws0">机器故障(吞卡)</div><div class="t m0 x9 h4 y35 ff2 fs0 fc0 sc0 ls0 ws0">21</div><div class="t m0 x2 h3 y36 ff1 fs0 fc0 sc0 ls0 ws0">有效等价类的测试用例设计原则:</div><div class="t m0 x2 h3 y37 ff1 fs0 fc0 sc0 ls0 ws0">无效等价类的测试用例设计原则:</div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>
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