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Validate bit shift left amount

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This commit is contained in:
Deepak kudi 2026-06-04 12:46:36 +05:30
parent 72ca1aeec7
commit ef174d2f41
2 changed files with 15 additions and 1 deletions
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7
src/core/operations/BitShiftLeft.mjs
View File

@ -5,6 +5,7 @@
*/
import Operation from "../Operation.mjs";
import OperationError from "../errors/OperationError.mjs";
/**
* Bit shift left operation
@ -27,7 +28,8 @@ class BitShiftLeft extends Operation {
{
"name": "Amount",
"type": "number",
"value": 1
"value": 1,
"min": 0
}
];
}
@ -39,6 +41,9 @@ class BitShiftLeft extends Operation {
*/
run(input, args) {
const amount = args[0];
if (amount < 0) {
throw new OperationError("Amount must be non-negative.");
}
input = new Uint8Array(input);
return input.map(b => {

9
tests/operations/tests/BitwiseOp.mjs
View File

@ -21,6 +21,15 @@ TestRegister.addTests([
"args": ["Space"] }
]
},
{
name: "Bit shift left rejects negative amount",
input: "a",
expectedOutput: "Amount must be non-negative.",
recipeConfig: [
{ "op": "Bit shift left",
"args": [-1] }
]
},
{
name: "Bit shift right: Logical shift",
input: "01010101 10101010 11111111 00000000 11110000 00001111 00110011 11001100",