JSTests/test262/test/language/expressions/left-shift/bigint-wrapped-values.js

// Copyright (C) 2017 Josh Wolfe. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: left-shift operator ToNumeric with BigInt operands
esid: sec-left-shift-operator-runtime-semantics-evaluation
features: [BigInt, Symbol.toPrimitive, computed-property-names]
---*/
assert.sameValue(Object(2n) << 1n, 4n, 'The result of (Object(2n) << 1n) is 4n');
assert.sameValue(1n << Object(2n), 4n, 'The result of (1n << Object(2n)) is 4n');

assert.sameValue({
  [Symbol.toPrimitive]: function() {
    return 2n;
  }
} << 1n, 4n, 'The result of (({[Symbol.toPrimitive]: function() {return 2n;}}) << 1n) is 4n');

assert.sameValue(1n << {
  [Symbol.toPrimitive]: function() {
    return 2n;
  }
}, 4n, 'The result of (1n << {[Symbol.toPrimitive]: function() {return 2n;}}) is 4n');

assert.sameValue({
  valueOf: function() {
    return 2n;
  }
} << 1n, 4n, 'The result of (({valueOf: function() {return 2n;}}) << 1n) is 4n');

assert.sameValue(1n << {
  valueOf: function() {
    return 2n;
  }
}, 4n, 'The result of (1n << {valueOf: function() {return 2n;}}) is 4n');

assert.sameValue({
  toString: function() {
    return 2n;
  }
} << 1n, 4n, 'The result of (({toString: function() {return 2n;}}) << 1n) is 4n');

assert.sameValue(1n << {
  toString: function() {
    return 2n;
  }
}, 4n, 'The result of (1n << {toString: function() {return 2n;}}) is 4n');