File: bigint-and-number.js

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// Copyright (C) 2017 Robin Templeton. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
description: Comparisons of BigInt and Number values
esid: sec-abstract-relational-comparison
info: |
  ...
  3. If both px and py are Strings, then
    ...
  4. Else,
    a. Let nx be ? ToNumeric(px). Because px and py are primitive values evaluation order is not important.
    b. Let ny be ? ToNumeric(py).
    c. If Type(nx) is Type(ny), return ? Type(nx)::lessThan(nx, ny).
    d. Assert: Type(nx) is BigInt and Type(ny) is Number, or if Type(nx) is Number and Type(ny) is BigInt.
    e. If x or y are any of NaN, return undefined.
    f. If x is -∞, or y is +∞, return true.
    g. If x is +∞, or y is -∞, return false.
    h. If the mathematical value of nx is less than the mathematical value of ny, return true, otherwise return false.
features: [BigInt]
---*/

assert.sameValue(0n < 0, false, "0n < 0");
assert.sameValue(0 < 0n, false, "0 < 0n");
assert.sameValue(0n < -0, false, "0n < -0");
assert.sameValue(-0 < 0n, false, "-0 < 0n");
assert.sameValue(0n < 0.000000000001, true, "0n < 0.000000000001");
assert.sameValue(0.000000000001 < 0n, false, "0.000000000001 < 0n");
assert.sameValue(0n < 1, true, "0n < 1");
assert.sameValue(1 < 0n, false, "1 < 0n");
assert.sameValue(1n < 0, false, "1n < 0");
assert.sameValue(0 < 1n, true, "0 < 1n");
assert.sameValue(1n < 0.999999999999, false, "1n < 0.999999999999");
assert.sameValue(0.999999999999 < 1n, true, "0.999999999999 < 1n");
assert.sameValue(1n < 1, false, "1n < 1");
assert.sameValue(1 < 1n, false, "1 < 1n");
assert.sameValue(0n < Number.MIN_VALUE, true, "0n < Number.MIN_VALUE");
assert.sameValue(Number.MIN_VALUE < 0n, false, "Number.MIN_VALUE < 0n");
assert.sameValue(0n < -Number.MIN_VALUE, false, "0n < -Number.MIN_VALUE");
assert.sameValue(-Number.MIN_VALUE < 0n, true, "-Number.MIN_VALUE < 0n");
assert.sameValue(-10n < Number.MIN_VALUE, true, "-10n < Number.MIN_VALUE");
assert.sameValue(Number.MIN_VALUE < -10n, false, "Number.MIN_VALUE < -10n");