input box test

1. Verify whether the input and output information are consistent;
2. 2. Check whether the title before the input box is correct
; The processing of special characters, especially the input information needs to be sent to the database. Special characters include: ' (single quote), " (double quote), [] (bracket), () (parentheses), {} (braces), ; (semicolon), <> (greater than or less than sign) ……
4. The processing of characters exceeding the limit in the input box, generally non-special ones without limitation are around 255bytes;
5. The size and length of the input box itself;
6. Input of characters with different internal codes;
7. Right The processing mechanism of spaces and TAB characters;
8. The color displayed by the character itself;
9. The password input window is converted into asterisks or other symbols;
10. The information in the password input box is encrypted to prevent cracking by the method of cracking the asterisk;
11. The effect of pressing the ctrl and alt keys on the input box;
12. For the input box used for adding, modifying, and registering, if there are restrictions, a prompt should be given when inputting, indicating that it is not allowed or that it is allowed;
13 ．For input boxes with constraints, the state of the input boxes should change accordingly when the conditions are met. For example, if Shandong is selected, the cities below Shandong should be listed, or after certain conditions are selected, some input boxes will be closed or 14. Input type ;
it is reasonable to judge what content should be input in the input box according to the previous column title. For example, whether to allow input of numbers or letters, not allow input of other characters, etc.
15. Input length; The database field has a length definition, when the input is too long, whether to submit the data will make an error.
16. Input state; when in a certain state, whether the input box is in a writable or non-writable state. For example, the number and other fields automatically given by the system are used as unique identifiers. When it is in the editing state again, the input box field should be in a non-writable state. If it can be written and edited, it may cause data repetition and conflict.
17. If it is an input box that can perform database operations, you can also consider entering some special symbols in SQL, such as single quotation marks, etc., sometimes unexpected errors will appear
18. Whether input type and input length are allowed to copy and paste empty space Consideration of half-width and full-width test For the password input box, the content to be displayed is * The prompt information when input is wrong and whether the prompt information is accurate
19. You can first understand the role of the input box you want to test in a certain function of the software system, and then understand its specific input conditions, and then carry out the input conditions according to valid equivalence classes, invalid equivalence classes, and boundary values. Design of test cases.
20.
21. Keywords are mixed case; The keyword contains one or more spaces, including the preceding space, the middle space (multiple keywords), and the back space;
22. 22. Whether wildcards are supported in keywords (depending on the function)
; 23. When the length of the keyword is 9, 10 and 11 characters respectively
; The keyword is valid, but there is no matching search result;
25. What are the problems with entering html tags? What happens when I type <html>

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