软件测试（3）-基于等价类划分的一个小例子

  1 import javafx.application.Application;
  2 import javafx.event.ActionEvent;
  3 import javafx.event.EventHandler;
  4 import javafx.scene.Scene;
  5 import javafx.scene.control.Button;
  6 import javafx.scene.control.TextField;
  7 import javafx.scene.layout.AnchorPane;
  8 import javafx.scene.text.Text;
  9 import javafx.stage.Stage;
 10 
 11 
 12 public class Test extends Application{
 13     
 14     public static void main(String arg0[]){
 15         Test.launch(arg0);
 16     }
 17 
 18     public void start(Stage stage) throws Exception {
 19         stage.setTitle("Test One");
 20         AnchorPane root = new AnchorPane();
 21         
 22         Text text = new Text("请输入:");
 23         root.getChildren().add(text);
 24         AnchorPane.setTopAnchor(text, 45.0);
 25         AnchorPane.setLeftAnchor(text, 100.0);
 26         
 27         final TextField textInput1 = new TextField();
 28         root.getChildren().add(textInput1);
 29         AnchorPane.setTopAnchor(textInput1, 65.0);
 30         AnchorPane.setLeftAnchor(textInput1, 30.0);
 31         
 32         final TextField textInput2 = new TextField();
 33         root.getChildren().add(textInput2);
 34         AnchorPane.setTopAnchor(textInput2, 95.0);
 35         AnchorPane.setLeftAnchor(textInput2, 30.0);
 36         
 37         final TextField textInput3 = new TextField();
 38         root.getChildren().add(textInput3);
 39         AnchorPane.setTopAnchor(textInput3, 125.0);
 40         AnchorPane.setLeftAnchor(textInput3, 30.0);
 41         
 42         Button button = new Button();
 43         button.setText("确定");
 44         root.getChildren().add(button);
 45         AnchorPane.setTopAnchor(submit, 165.0);
 46         AnchorPane.setLeftAnchor(submit, 75.0);
 47         
 48         submit.setOnAction(new EventHandler<ActionEvent>() {
 49             public void handle(ActionEvent arg0) {
 50                 if(checkString(textInput1.getText().toString()) && checkString(textInput2.getText().toString()) && checkString(textInput3.getText().toString())){
 51                      Stage stage2 = new Stage();
 52                      AnchorPane root2 = new AnchorPane();
 53                      
 54                      Text result = new Text("三个输入框均符合要求~");
 55                      root2.getChildren().add(result);
 56                      AnchorPane.setTopAnchor(result, 50.0);
 57                      AnchorPane.setLeftAnchor(result, 50.0);
 58                      
 59                      stage2.setScene(new Scene(root2, 100, 100));
 60                      stage2.show();
 61                 }else if(checkString(textInput1.getText().toString()) && checkString(textInput2.getText().toString())){
 62                     Stage stage2 = new Stage();
 63                      AnchorPane root2 = new AnchorPane();
 64                      
 65                      Text result = new Text("第三个输入框不符合要求~");
 66                      root2.getChildren().add(result);
 67                      AnchorPane.setTopAnchor(result, 50.0);
 68                      AnchorPane.setLeftAnchor(result, 50.0);
 69                      
 70                      stage2.setScene(new Scene(root2, 100, 100));
 71                      stage2.show();
 72                 }else if(checkString(textInput1.getText().toString()) && checkString(textInput3.getText().toString())){
 73                     Stage stage2 = new Stage();
 74                      AnchorPane root2 = new AnchorPane();
 75                      
 76                      Text result = new Text("第二个输入框不符合要求~");
 77                      root2.getChildren().add(result);
 78                      AnchorPane.setTopAnchor(result, 50.0);
 79                      AnchorPane.setLeftAnchor(result, 50.0);
 80                      
 81                      stage2.setScene(new Scene(root2, 100, 100));
 82                      stage2.show();
 83                 }else if(checkString(textInput2.getText().toString()) && checkString(textInput2.getText().toString())){
 84                     Stage stage2 = new Stage();
 85                      AnchorPane root2 = new AnchorPane();
 86                      
 87                      Text result = new Text("第一个输入框不符合要求~");
 88                      root2.getChildren().add(result);
 89                      AnchorPane.setTopAnchor(result, 50.0);
 90                      AnchorPane.setLeftAnchor(result, 50.0);
 91                      
 92                      stage2.setScene(new Scene(root2, 100, 100));
 93                      stage2.show();
 94                 }else if(checkString(textInput1.getText().toString())){
 95                     Stage stage2 = new Stage();
 96                      AnchorPane root2 = new AnchorPane();
 97                      
 98                      Text result = new Text("只有第一个输入框符合要求~");
 99                      root2.getChildren().add(result);
100                      AnchorPane.setTopAnchor(result, 50.0);
101                      AnchorPane.setLeftAnchor(result, 50.0);
102                      
103                      stage2.setScene(new Scene(root2, 100, 100));
104                      stage2.show();
105                 }else if(checkString(textInput2.getText().toString())){
106                     Stage stage2 = new Stage();
107                      AnchorPane root2 = new AnchorPane();
108                      
109                      Text result = new Text("只有第二个输入框符合要求~");
110                      root2.getChildren().add(result);
111                      AnchorPane.setTopAnchor(result, 50.0);
112                      AnchorPane.setLeftAnchor(result, 50.0);
113                      
114                      stage2.setScene(new Scene(root2, 100, 100));
115                      stage2.show();
116                 }else if(checkString(textInput3.getText().toString())){
117                     Stage stage2 = new Stage();
118                      AnchorPane root2 = new AnchorPane();
119                      
120                      Text result = new Text("只有第三个输入框符合要求~");
121                      root2.getChildren().add(result);
122                      AnchorPane.setTopAnchor(result, 50.0);
123                      AnchorPane.setLeftAnchor(result, 50.0);
124                      
125                      stage2.setScene(new Scene(root2, 100, 100));
126                      stage2.show();
127                 }else{
128                     Stage stage2 = new Stage();
129                      AnchorPane root2 = new AnchorPane();
130                      
131                      Text result = new Text("三个输入框均不符合要求~");
132                      root2.getChildren().add(result);
133                      AnchorPane.setTopAnchor(result, 50.0);
134                      AnchorPane.setLeftAnchor(result, 50.0);
135                      
136                      stage2.setScene(new Scene(root2, 100, 100));
137                      stage2.show();
138                 }
139             }
140         });
141         
142         stage.setScene(new Scene(root, 190,225));
143         stage.show();
144     }
145     
146     public boolean checkString(String str){
147         if(str.length() == 0 || str.length() >= 7){
148             return false;
149         }
150         
151         char ch[] = new char[str.length()];
152         ch = str.toCharArray();
153         
154         for(int i = 0; i < str.length(); i++){
155             if((ch[i] >= ‘a‘ && ch[i] <= ‘z‘)||(ch[i] >= ‘A‘ && ch[i] <= ‘Z‘)||(ch[i] >= ‘0‘ && ch[i] <= ‘9‘));
156             else{
157                 return false;
158             }
159         }
160         return true;
161     }
162     
163 }