primitives.js (947B)
1 // |reftest| skip-if(!Error.isError) -- Error.isError is not enabled unconditionally 2 // Copyright (C) 2024 Jordan Harband. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 5 /*--- 6 esid: sec-error.iserror 7 description: > 8 Returns false on primitives 9 features: [Error.isError] 10 ---*/ 11 12 assert.sameValue(Error.isError(), false); 13 assert.sameValue(Error.isError(undefined), false); 14 assert.sameValue(Error.isError(null), false); 15 assert.sameValue(Error.isError(true), false); 16 assert.sameValue(Error.isError(false), false); 17 assert.sameValue(Error.isError(0), false); 18 assert.sameValue(Error.isError(-0), false); 19 assert.sameValue(Error.isError(NaN), false); 20 assert.sameValue(Error.isError(Infinity), false); 21 assert.sameValue(Error.isError(-Infinity), false); 22 assert.sameValue(Error.isError(42), false); 23 assert.sameValue(Error.isError(''), false); 24 assert.sameValue(Error.isError('foo'), false); 25 26 reportCompare(0, 0);