> For the complete documentation index, see [llms.txt](https://docs.merchant.alb.ua/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.merchant.alb.ua/en/dictionary/test-cases.md).

# Test cases

In test operations, RRN will be equal to the value "-1".\
ApprovalCode will not be received.

| Operation    | The number of cents | Response |
| ------------ | ------------------- | -------- |
| SALES step 2 | 4 cents             | SUCCESS  |
| SALES step 2 | 5 cents             | FAIL     |
| SALES step 2 | 6 cents             | FAIL     |
| С2А step 2   | 10 cents            | SUCCESS  |
| С2А step 2   | 11 cents            | FAIL     |
| С2А step 2   | 12 cents            | FAIL     |
| А2С          | 13 cents            | SUCCESS  |
| А2С          | 14 cents            | FAIL     |
| А2С          | 15 cents            | FAIL     |
| REFUND       | 16 cents            | SUCCESS  |
| REFUND       | 17 cents            | FAIL     |
| REFUND       | 18 cents            | FAIL     |