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N2oB6n-SAP merged 1 commit into from
Mar 4, 2025
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Update ModernABAPLanguageElements.md #361

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8 changes: 4 additions & 4 deletions clean-abap/sub-sections/ModernABAPLanguageElements.md
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Expand Up @@ -328,7 +328,7 @@ ENDCASE.
Switch on a reference types class and interface using the `CASE` extension `TYPE OF`.

```ABAP
CASE type of account.
CASE TYPE OF account.
WHEN TYPE bank_account INTO DATA(bank_account).
" some processing ...
WHEN OTHERS.
Expand Down Expand Up @@ -602,20 +602,20 @@ Add `DEFAULT FAIL` to advise ABAP to raise an exception `CX_SY_DYN_CALL_ILLEGAL_

```ABAP
INTERFACE account.
METHODS new_method default FAIL.
METHODS new_method DEFAULT FAIL.
ENDINTERFACE.
```

### Partially implement interfaces in tests

Implement in tests for e.g. test doubles only the interface methods which you need and skip the not needed with the `partially implemented` extension of the `interfaces` statement.
Implement in tests for e.g. test doubles only the interface methods which you need and skip the not needed with the `PARTIALLY IMPLEMENTED` extension of the `INTERFACES` statement.

```ABAP
INTERFACE account.
METHODS add_account IMPORTING account TYPE account.
METHODS delete_account IMPORTING account_id TYPE account_id.
METHODS get_account IMPORTING account_id TYPE account_id
RETURNING value(result) TYPE account.
RETURNING VALUE(result) TYPE account.
ENDINTERFACE.

CLASS test_double DEFINITION FOR TESTING.
Expand Down