test262/test/language/expressions/strict-equals/bigint-and-number-extremes.js

// Copyright (C) 2017 Josh Wolfe. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Strict equality comparison of BigInt and large Number values
esid: sec-strict-equality-comparison
info: |
  1. If Type(x) is different from Type(y), return false.

features: [BigInt]
---*/
assert.sameValue(
  1n === Number.MAX_VALUE,
  false,
  'The result of (1n === Number.MAX_VALUE) is false'
);

assert.sameValue(
  Number.MAX_VALUE === 1n,
  false,
  'The result of (Number.MAX_VALUE === 1n) is false'
);

assert.sameValue(
  1n === -Number.MAX_VALUE,
  false,
  'The result of (1n === -Number.MAX_VALUE) is false'
);

assert.sameValue(
  -Number.MAX_VALUE === 1n,
  false,
  'The result of (-Number.MAX_VALUE === 1n) is false'
);

assert.sameValue(
  0xfffffffffffff7ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffn === Number.MAX_VALUE,
  false,
  'The result of (0xfffffffffffff7ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffn === Number.MAX_VALUE) is false'
);

assert.sameValue(
  Number.MAX_VALUE === 0xfffffffffffff7ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffn,
  false,
  'The result of (Number.MAX_VALUE === 0xfffffffffffff7ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffn) is false'
);

assert.sameValue(
  0xfffffffffffff800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000n === Number.MAX_VALUE,
  false,
  'The result of (0xfffffffffffff800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000n === Number.MAX_VALUE) is false'
);

assert.sameValue(
  Number.MAX_VALUE === 0xfffffffffffff800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000n,
  false,
  'The result of (Number.MAX_VALUE === 0xfffffffffffff800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000n) is false'
);

assert.sameValue(
  0xfffffffffffff800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001n === Number.MAX_VALUE,
  false,
  'The result of (0xfffffffffffff800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001n === Number.MAX_VALUE) is false'
);

assert.sameValue(
  Number.MAX_VALUE === 0xfffffffffffff800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001n,
  false,
  'The result of (Number.MAX_VALUE === 0xfffffffffffff800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001n) is false'
);