File: bigint-and-incomparable-primitive.js

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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: Non-strict inequality comparison of BigInt and miscellaneous primitive values
esid: sec-equality-operators-runtime-semantics-evaluation
info: |
  EqualityExpression : EqualityExpression != RelationalExpression
    ...
    5. Return the result of performing Abstract Equality Comparison rval == lval.
    6. If r is true, return false. Otherwise, return true.

features: [BigInt, Symbol]
---*/

assert.sameValue(0n != undefined, true, "0n != undefined");
assert.sameValue(undefined != 0n, true, "undefined != 0n");
assert.sameValue(1n != undefined, true, "1n != undefined");
assert.sameValue(undefined != 1n, true, "undefined != 1n");
assert.sameValue(0n != null, true, "0n != null");
assert.sameValue(null != 0n, true, "null != 0n");
assert.sameValue(1n != null, true, "1n != null");
assert.sameValue(null != 1n, true, "null != 1n");
assert.sameValue(0n != Symbol("1"), true, '0n != Symbol("1")');
assert.sameValue(Symbol("1") != 0n, true, 'Symbol("1") != 0n');
assert.sameValue(1n != Symbol("1"), true, '1n != Symbol("1")');
assert.sameValue(Symbol("1") != 1n, true, 'Symbol("1") != 1n');