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// Copyright (C) 2017 Josh Wolfe. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Unary minus for BigInt object wrappers
esid: sec-unary-minus-operator-runtime-semantics-evaluation
info: |
Runtime Semantics: Evaluation
UnaryExpression : - UnaryExpression
1. Let expr be the result of evaluating UnaryExpression.
2. Let oldValue be ? ToNumeric(? GetValue(expr)).
3. Let T be Type(oldValue).
4. Return ? T::unaryMinus(oldValue).
features: [BigInt, Symbol.toPrimitive]
---*/
assert.sameValue(-Object(1n), -1n, "-Object(1n) === -1n");
assert.notSameValue(-Object(1n), 1n, "-Object(1n) !== 1n");
assert.notSameValue(-Object(1n), Object(-1n), "-Object(1n) !== Object(-1n)");
assert.sameValue(-Object(-1n), 1n, "-Object(-1n) === 1n");
assert.notSameValue(-Object(-1n), -1n, "-Object(-1n) !== -1n");
assert.notSameValue(-Object(-1n), Object(1n), "-Object(-1n) !== Object(1n)");
assert.sameValue(
-{[Symbol.toPrimitive]: function() { return 1n; }, valueOf: function() { $ERROR(); }, toString: function() { $ERROR(); }}, -1n,
"-{[Symbol.toPrimitive]: function() { return 1n; }, valueOf: function() { $ERROR(); }, toString: function() { $ERROR(); }} === -1n");
assert.sameValue(
-{valueOf: function() { return 1n; }, toString: function() { $ERROR(); }}, -1n,
"-{valueOf: function() { return 1n; }, toString: function() { $ERROR(); }} === -1n");
assert.sameValue(
-{toString: function() { return 1n; }}, -1n,
"-{toString: function() { return 1n; }} === -1n");
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