bigint-tobigint.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: BigInt.asIntN type coercion for bigint parameter

esid: sec-bigint.asintn

info: |

  BigInt.asIntN ( bits, bigint )

  2. Let bigint ? ToBigInt(bigint).

features: [BigInt]

---*/

assert.sameValue(BigInt.asIntN(2, 0n), 0n);

assert.sameValue(BigInt.asIntN(2, -0n), 0n);

assert.sameValue(BigInt.asIntN(2, false), 0n, "ToBigInt: false => 0n");

assert.sameValue(BigInt.asIntN(2, true), 1n, "ToBigInt: true => 1n");

assert.sameValue(BigInt.asIntN(2, "1"), 1n, "ToBigInt: parse BigInt");

assert.sameValue(BigInt.asIntN(2, "-0"), 0n, "ToBigInt: parse BigInt");

assert.sameValue(BigInt.asIntN(2, ""), 0n, "ToBigInt: empty String => 0n");

assert.sameValue(BigInt.asIntN(2, "     "), 0n, "ToBigInt: String with only whitespace => 0n");

assert.sameValue(BigInt.asIntN(2, []), 0n, "ToBigInt: .toString() => empty String => 0n");

assert.sameValue(BigInt.asIntN(2, [1]), 1n, "ToBigInt: .toString() => parse BigInt");

assert.sameValue(BigInt.asIntN(3, 10n), 2n);

assert.sameValue(BigInt.asIntN(3, "10"), 2n, "ToBigInt: parse BigInt");

assert.sameValue(BigInt.asIntN(3, "0b1010"), 2n, "ToBigInt: parse BigInt binary");

assert.sameValue(BigInt.asIntN(3, "0o12"), 2n, "ToBigInt: parse BigInt octal");

assert.sameValue(BigInt.asIntN(3, "0xa"), 2n, "ToBigInt: parse BigInt hex");

assert.sameValue(BigInt.asIntN(3, "    0xa    "), 2n,

  "ToBigInt: parse BigInt ignore leading/trailing whitespace");

assert.sameValue(BigInt.asIntN(3, "     10     "), 2n,

  "ToBigInt: parse BigInt ignore leading/trailing whitespace");

assert.sameValue(BigInt.asIntN(3, [10n]), 2n, "ToBigInt: .toString() => parse BigInt");

assert.sameValue(BigInt.asIntN(3, ["10"]), 2n, "ToBigInt: .toString() => parse BigInt");

assert.sameValue(BigInt.asIntN(4, 12345678901234567890003n), 3n);

assert.sameValue(BigInt.asIntN(4, "12345678901234567890003"), 3n, "ToBigInt: parse BigInt");

assert.sameValue(BigInt.asIntN(4,

    "0b10100111010100001010110110010011100111011001110001010000100100010001010011"), 3n,

  "ToBigInt: parse BigInt binary");

assert.sameValue(BigInt.asIntN(4, "0o2472412662347316120442123"), 3n,

  "ToBigInt: parse BigInt octal");

assert.sameValue(BigInt.asIntN(4, "0x29d42b64e7671424453"), 3n, "ToBigInt: parse BigInt hex");

assert.sameValue(BigInt.asIntN(4, "    0x29d42b64e7671424453    "), 3n,

  "ToBigInt: parse BigInt ignore leading/trailing whitespace");

assert.sameValue(BigInt.asIntN(4, "     12345678901234567890003     "), 3n,

  "ToBigInt: parse BigInt ignore leading/trailing whitespace");

assert.sameValue(BigInt.asIntN(4, [12345678901234567890003n]), 3n,

  "ToBigInt: .toString() => parse BigInt");

assert.sameValue(BigInt.asIntN(4, ["12345678901234567890003"]), 3n,

  "ToBigInt: .toString() => parse BigInt");

reportCompare(0, 0);