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Allow for implementation-defined Error properties #4433

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Merged
Ms2ger merged 1 commit into from
Mar 24, 2025
Merged

Allow for implementation-defined Error properties #4433

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13 changes: 10 additions & 3 deletions test/built-ins/NativeErrors/SuppressedError/order-of-args-evaluation.js
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,14 @@ const e = new SuppressedError(error, suppressed, message);

assert.sameValue(messageStringified, true);
const keys = Object.getOwnPropertyNames(e);
assert(keys.indexOf("message") === 0, "Expected 'message' to be defined first");
assert(keys.indexOf("error") === 1, "Expected 'error' to be defined second");
assert(keys.indexOf("suppressed") === 2, "Expected 'suppressed' to be defined third");

// Allow implementation-defined properties before "message" and after "suppressed".

const messageIndex = keys.indexOf("message");
assert.notSameValue(messageIndex, -1, "Expected 'message' to be defined");

const errorIndex = keys.indexOf("error");
assert.sameValue(errorIndex, messageIndex + 1, "Expected 'error' to be defined after 'message'");

const suppressedIndex = keys.indexOf("suppressed");
assert.sameValue(suppressedIndex, errorIndex + 1, "Expected 'suppressed' to be defined after 'error'");