Checklist of test cases https://qa-quiz.natera.com/

1. Creating a triangle: 1.1. Create a triangle
   1.2. Create 10 triangles 1.3. Create a triangle with negative side values
   1.4. Create a triangle with 1 side > the sum of the other two
   1.5. Create a triangle without separator value
   1.6. Create a triangle by changing the key value for the sides of the triangle
   1.7. Create triangle with zero before side
   1.8. Use an invalid http method to create a triangle
   1.9. Pass a non-json object in the http Protocol
   1.10. Create a triangle with 4 sides
   1.11. Create a triangle with empty sides values
   1.12. Create a triangle with an invalid separator
   1.13. Create a triangle with an invalid separator key
   1.14. To create a triangle with the empty values of the sides
   1.15. Get an answer to the inability to create an 11 triangle 1.16. Create a triangle with float values for the sides
   1.17. Create a triangle with a large numeric value
   1.18. Create triangle with zero side
   1.19. Create 11 triangles 1.20. Create triangle with text in side

2. Delete: 2.1. Deleting a triangle
   2.2. Deleting a nonexistent triangle 2.3. Use the wrong http method to delete the triangle
   2.4. Try various invalid characters ‘~!@#$%^&()?>,./<][ /<!—«»♣☺♂
   2.5. Delete a triangle from the ID of an already deleted triangle 2.6. Try various SQl: select*
   2.7. Try various SQl: DROP TABLE triangle
   2.8. Try various XSS: <script>alert("XSS1")</script>
   2.9. Try various HTML: <form%20action=»http://live.hh.ru»><input%20type=»submit»></form
   2.10. Deleting a triangle with empty ID

3. Get all triangles: 3.1. Get all the triangles(10) 3.2. Get the answer if there are no triangles
   3.3. Use the wrong http method to get the triangle

4. Get a triangle: 4.1. Get a triangle 4.2. Get a response when requesting a nonexistent triangle
   4.3. Try various invalid characters ‘~!@#$%^&()?>,./<][ /<!—«»♣☺♂
   4.4. Get a triangle with a previously deleted ID
   4.5. Try various SQl: select*
   4.6. Try various SQl: DROP TABLE triangle
   4.7. Try various XSS: <script>alert("XSS1")</script>
   4.8. Try various HTML: <form%20action=»http://live.hh.ru»><input%20type=»submit»>

5. Get the triangle perimeter value: 5.1. Get the perimeter of the triangle
   5.2. Get the answer when calculating the perimeter of a nonexistent triangle
   5.3. Use an invalid http method to calculate the perimeter of the triangle
   5.4. Try various invalid characters ‘~!@#$%^&()?>,./<][ /<!—«»♣☺♂
   5.5. Get the perimeter of a previously deleted triangle
   5.6. Try various SQl: select* 5.7. Try various SQl: DROP TABLE triangle 5.8. Try various XSS: <script>alert("XSS1")</script> 5.9. Try various HTML: <form%20action=»http://live.hh.ru»><input%20type=»submit»>

6. Get the lower area of a triangle: 6.1. Get the area of the triangle
   6.2. Get the answer when calculating the area of a nonexistent triangle
   6.3. Use an invalid http method to calculate the area of the triangle
   6.4. Try various invalid characters ‘~!@#$%^&()?>,./<][ /<!—«»♣☺♂
   6.5. Get the area of a previously deleted triangle
   6.6. Try various SQl: select*
   6.7. Try various SQl: DROP TABLE triangle
   6.8. Try various XSS: <script>alert("XSS1")</script>
   6.9. Try various HTML: <form%20action=»http://live.hh.ru»><input%20type=»submit»>

Errors found:

• Internal Server Error if use some string instead of "input" (1.6)

• Internal Server Error if use non JSON object (1.9)

• Method DELETE has exploit to SQL injections (2.6, 2.7)

• Method AREA, PERIMETER, GET - has exploit to SQL injections(4.5, 4.6, 5.6, 5.7, 6.6, 6.7)

• System create square if you add 4 side (1.10)

• System create wrong triangle with empty separator value (1.5)

• System create triangle with wrong separator value (1.12)

• System create triangle with 0 side value (1.18)

• System can create 11 triangle (1.19)

• System response 200 in DELETE method if use deleted before or empty ID(2.2, 2.3)