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19 lines
625 B
JavaScript
19 lines
625 B
JavaScript
QUnit.test('Error.isError', assert => {
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const { isError } = Error;
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assert.isFunction(isError);
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assert.arity(isError, 1);
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assert.name(isError, 'isError');
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assert.looksNative(isError);
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assert.nonEnumerable(Error, 'isError');
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assert.true(isError(new Error('error')));
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assert.true(isError(new TypeError('error')));
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assert.true(isError(new AggregateError([1, 2, 3], 'error')));
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assert.true(isError(new SuppressedError(1, 2, 'error')));
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assert.true(isError(new DOMException('error')));
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assert.false(isError(null));
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assert.false(isError({}));
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assert.false(isError(Object.create(Error.prototype)));
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});
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