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Throw OperationError instead of returning a String

This commit is contained in:
Flavio Diez 2020-01-29 14:16:04 +01:00
parent 1509b2b96c
commit 0ab96dd4ca
2 changed files with 8 additions and 6 deletions
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7
src/core/operations/RailFenceCipherDecode.mjs
View File

@ -5,6 +5,7 @@
*/ */
import Operation from "../Operation.mjs"; import Operation from "../Operation.mjs";
import OperationError from "../errors/OperationError.mjs";
/** /**
* Rail Fence Cipher Decode operation * Rail Fence Cipher Decode operation
@ -48,13 +49,13 @@ class RailFenceCipherDecode extends Operation {
let cipher = input; let cipher = input;
if (key < 2) { if (key < 2) {
return "Key has to be bigger than 2"; throw new OperationError("Key has to be bigger than 2");
} else if (key > cipher.length) { } else if (key > cipher.length) {
return "Key should be smaller than the cipher's length"; throw new OperationError("Key should be smaller than the cipher's length");
} }
if (offset < 0) { if (offset < 0) {
return "Offset has to be a positive integer"; throw new OperationError("Offset has to be a positive integer");
} }
const cycle = (key - 1) * 2; const cycle = (key - 1) * 2;

7
src/core/operations/RailFenceCipherEncode.mjs
View File

@ -5,6 +5,7 @@
*/ */
import Operation from "../Operation.mjs"; import Operation from "../Operation.mjs";
import OperationError from "../errors/OperationError.mjs";
/** /**
* Rail Fence Cipher Encode operation * Rail Fence Cipher Encode operation
@ -47,13 +48,13 @@ class RailFenceCipherEncode extends Operation {
const plaintext = input; const plaintext = input;
if (key < 2) { if (key < 2) {
return "Key has to be bigger than 2"; throw new OperationError("Key has to be bigger than 2");
} else if (key > plaintext.length) { } else if (key > plaintext.length) {
return "Key should be smaller than the plain text's length"; throw new OperationError("Key should be smaller than the plain text's length");
} }
if (offset < 0) { if (offset < 0) {
return "Offset has to be a positive integer"; throw new OperationError("Offset has to be a positive integer");
} }
const cycle = (key - 1) * 2; const cycle = (key - 1) * 2;