After you enter a string of 1-6 English characters or numbers in three text boxes, click OK to submit.
2. Equivalence class Partitioning| Number | Valid equivalence classes | Number | Invalid equivalence class |
| 1 | 1≤ length ≤6 | 4 | Length =0 |
| 5 | Length ≥7 | ||
| 2 | Character: a-z,a-z,0-9 | 6 | Characters other than English/numeric |
| 3 | Three text boxes are not empty | 7 | Have one or more empty text boxes |
| Number | Box1;box2;box3 | overriding equivalence classes | Output |
| 1 | abcdef;123456; ABCDEF | The | Enter the correct |
| 2 | Abcd12;12abcd;abab12 | The | Enter the correct |
| 3 | 1234567;; 654321 | 1,2,4,5,7 | Box1 length greater than 6,box2 input is empty, box3 input is correct |
| 4 | ; aaaaaaa;** | 1,2,4,5,6,7 | Box1 input is empty, box2 length is greater than 6,box3 character is not letter or number |
| 5 | ;///////;‘‘‘‘ | 1,3,5,6 | box1,3 characters are not letters or numbers, Box2 length is greater than 6 |
| 6 | A ' a ' a '; 777777;yyy | 1,2,3,6 | Box1 characters are not letters or numbers, box2,3 entered correctly |
| 7 | ;; JIU | 1,2,4,7 | box1,2 input is empty, box3 input is correct |
| 8 | ???; ;d EE | 1,2,4,6,7 | Box1 characters are not letters or numbers, Box2 input is blank, box3 input is correct |
| 9 | **;o; Abcedfc | 1,2,3,5,6 | Box1 characters are not letters or numbers, Box2 input is correct, box3 length is greater than 6 |
| 10 | ; ; | 4,7 | box1,2,3 input is empty |
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4. Test results| Number | Results |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | |
| 9 | |
| 10 |
1<%@ page language= "Java"Import= "java.util.*" pageencoding= "Utf-8"%>2<%@ page contenttype= "text/html; Charset=utf-8 "%>3<%@ pageImport= "Java.sql.*"%>4<%5String Path =Request.getcontextpath ();6String basepath = request.getscheme () + "://" +request.getservername () + ":" +request.getserverport () +path+ "/";7%>8 9<! DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" >Ten One A<base href= "<%=basePath%>" > - -<title> Testing </title> the<meta http-equiv= "Pragma" content= "No-cache" > -<meta http-equiv= "Cache-control" content= "No-cache" > -<meta http-equiv= "Expires" content= "0" > -<meta http-equiv= "keywords" content= "keyword1,keyword2,keyword3" > +<meta http-equiv= "description" content= "This is my page" > - + A<script> at function judge () { - -var box =NewArray (3); -var str =NewArray ("Input is Empty", "length greater than 6", "character is not letter or number", "input correct"); - for(i=0;i<3;i++){ -var text =document.getElementById (i). value; invar reg =/[^0-9a-za-z]+$/; - if(Text.length = = 0) toBox[i]=0; + Else if(Text.length > 6) -Box[i]=1; the Else if(reg.test (text)) *box[i]=2; $ ElseBox[i] =3;Panax Notoginseng - } the +var out = ""; A for(j=0;j<3;j++){ thevar r =Box[j]; +out+= "First" + (j+1) + "box" +str[r]+ "\ n"; - } $ alert (out); $ } -</script> - the<body> - Wuyi the<center><tr style= "Text-align:center" > Please enter 1-6 English characters or numbers </tr><br><br> -<tr style= "Text-align:center" >Box1: Wu<input type = "text" id= "0" ></tr><br><br> -<tr "Text-align:center" >Box2: About<input type = "Text" id= "1" ></tr><br><br> $<tr "Text-align:center" >Box3: -<input type = "Text" id= "2" ></tr><br><br> -<tr> - A<button type= "button" onclick= "Judge ();" align = "center" > OK </button></tr> +</center> the</body> -Equivalence class Division (II.)
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