| // Copyright 2017 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Flags: --harmony-bigint |
| |
| // BigInt.asIntN |
| { |
| assertEquals(2, BigInt.asIntN.length); |
| }{ |
| assertEquals(-1n, BigInt.asIntN(3, 15n)); |
| assertEquals(-2n, BigInt.asIntN(3, 14n)); |
| assertEquals(-3n, BigInt.asIntN(3, 13n)); |
| assertEquals(-4n, BigInt.asIntN(3, 12n)); |
| assertEquals(3n, BigInt.asIntN(3, 11n)); |
| assertEquals(2n, BigInt.asIntN(3, 10n)); |
| assertEquals(1n, BigInt.asIntN(3, 9n)); |
| assertEquals(0n, BigInt.asIntN(3, 8n)); |
| assertEquals(-1n, BigInt.asIntN(3, 7n)); |
| assertEquals(-2n, BigInt.asIntN(3, 6n)); |
| assertEquals(-3n, BigInt.asIntN(3, 5n)); |
| assertEquals(-4n, BigInt.asIntN(3, 4n)); |
| assertEquals(3n, BigInt.asIntN(3, 3n)); |
| assertEquals(2n, BigInt.asIntN(3, 2n)); |
| assertEquals(1n, BigInt.asIntN(3, 1n)); |
| assertEquals(0n, BigInt.asIntN(3, 0n)); |
| assertEquals(-1n, BigInt.asIntN(3, -1n)); |
| assertEquals(-2n, BigInt.asIntN(3, -2n)); |
| assertEquals(-3n, BigInt.asIntN(3, -3n)); |
| assertEquals(-4n, BigInt.asIntN(3, -4n)); |
| assertEquals(3n, BigInt.asIntN(3, -5n)); |
| assertEquals(2n, BigInt.asIntN(3, -6n)); |
| assertEquals(1n, BigInt.asIntN(3, -7n)); |
| assertEquals(0n, BigInt.asIntN(3, -8n)); |
| assertEquals(-1n, BigInt.asIntN(3, -9n)); |
| assertEquals(-2n, BigInt.asIntN(3, -10n)); |
| assertEquals(-3n, BigInt.asIntN(3, -11n)); |
| assertEquals(-4n, BigInt.asIntN(3, -12n)); |
| assertEquals(3n, BigInt.asIntN(3, -13n)); |
| assertEquals(2n, BigInt.asIntN(3, -14n)); |
| assertEquals(1n, BigInt.asIntN(3, -15n)); |
| }{ |
| assertEquals(254n, BigInt.asIntN(10, 254n)); |
| assertEquals(255n, BigInt.asIntN(10, 255n)); |
| assertEquals(256n, BigInt.asIntN(10, 256n)); |
| assertEquals(257n, BigInt.asIntN(10, 257n)); |
| assertEquals(510n, BigInt.asIntN(10, 510n)); |
| assertEquals(511n, BigInt.asIntN(10, 511n)); |
| assertEquals(-512n, BigInt.asIntN(10, 512n)); |
| assertEquals(-511n, BigInt.asIntN(10, 513n)); |
| assertEquals(-2n, BigInt.asIntN(10, 1022n)); |
| assertEquals(-1n, BigInt.asIntN(10, 1023n)); |
| assertEquals(0n, BigInt.asIntN(10, 1024n)); |
| assertEquals(1n, BigInt.asIntN(10, 1025n)); |
| }{ |
| assertEquals(-254n, BigInt.asIntN(10, -254n)); |
| assertEquals(-255n, BigInt.asIntN(10, -255n)); |
| assertEquals(-256n, BigInt.asIntN(10, -256n)); |
| assertEquals(-257n, BigInt.asIntN(10, -257n)); |
| assertEquals(-510n, BigInt.asIntN(10, -510n)); |
| assertEquals(-511n, BigInt.asIntN(10, -511n)); |
| assertEquals(-512n, BigInt.asIntN(10, -512n)); |
| assertEquals(511n, BigInt.asIntN(10, -513n)); |
| assertEquals(2n, BigInt.asIntN(10, -1022n)); |
| assertEquals(1n, BigInt.asIntN(10, -1023n)); |
| assertEquals(0n, BigInt.asIntN(10, -1024n)); |
| assertEquals(-1n, BigInt.asIntN(10, -1025n)); |
| }{ |
| assertEquals(0n, BigInt.asIntN(0, 0n)); |
| assertEquals(0n, BigInt.asIntN(1, 0n)); |
| assertEquals(0n, BigInt.asIntN(16, 0n)); |
| assertEquals(0n, BigInt.asIntN(31, 0n)); |
| assertEquals(0n, BigInt.asIntN(32, 0n)); |
| assertEquals(0n, BigInt.asIntN(33, 0n)); |
| assertEquals(0n, BigInt.asIntN(63, 0n)); |
| assertEquals(0n, BigInt.asIntN(64, 0n)); |
| assertEquals(0n, BigInt.asIntN(65, 0n)); |
| assertEquals(0n, BigInt.asIntN(127, 0n)); |
| assertEquals(0n, BigInt.asIntN(128, 0n)); |
| assertEquals(0n, BigInt.asIntN(129, 0n)); |
| }{ |
| assertEquals(0n, BigInt.asIntN(0, 42n)); |
| assertEquals(0n, BigInt.asIntN(1, 42n)); |
| assertEquals(42n, BigInt.asIntN(16, 42n)); |
| assertEquals(42n, BigInt.asIntN(31, 42n)); |
| assertEquals(42n, BigInt.asIntN(32, 42n)); |
| assertEquals(42n, BigInt.asIntN(33, 42n)); |
| assertEquals(42n, BigInt.asIntN(63, 42n)); |
| assertEquals(42n, BigInt.asIntN(64, 42n)); |
| assertEquals(42n, BigInt.asIntN(65, 42n)); |
| assertEquals(42n, BigInt.asIntN(127, 42n)); |
| assertEquals(42n, BigInt.asIntN(128, 42n)); |
| assertEquals(42n, BigInt.asIntN(129, 42n)); |
| }{ |
| assertEquals(0n, BigInt.asIntN(0, -42n)); |
| assertEquals(0n, BigInt.asIntN(1, -42n)); |
| assertEquals(-42n, BigInt.asIntN(16, -42n)); |
| assertEquals(-42n, BigInt.asIntN(31, -42n)); |
| assertEquals(-42n, BigInt.asIntN(32, -42n)); |
| assertEquals(-42n, BigInt.asIntN(33, -42n)); |
| assertEquals(-42n, BigInt.asIntN(63, -42n)); |
| assertEquals(-42n, BigInt.asIntN(64, -42n)); |
| assertEquals(-42n, BigInt.asIntN(65, -42n)); |
| assertEquals(-42n, BigInt.asIntN(127, -42n)); |
| assertEquals(-42n, BigInt.asIntN(128, -42n)); |
| assertEquals(-42n, BigInt.asIntN(129, -42n)); |
| }{ |
| assertEquals(0n, BigInt.asIntN(0, 4294967295n)); |
| assertEquals(-1n, BigInt.asIntN(1, 4294967295n)); |
| assertEquals(-1n, BigInt.asIntN(16, 4294967295n)); |
| assertEquals(-1n, BigInt.asIntN(31, 4294967295n)); |
| assertEquals(-1n, BigInt.asIntN(32, 4294967295n)); |
| assertEquals(4294967295n, BigInt.asIntN(33, 4294967295n)); |
| assertEquals(4294967295n, BigInt.asIntN(63, 4294967295n)); |
| assertEquals(4294967295n, BigInt.asIntN(64, 4294967295n)); |
| assertEquals(4294967295n, BigInt.asIntN(65, 4294967295n)); |
| assertEquals(4294967295n, BigInt.asIntN(127, 4294967295n)); |
| assertEquals(4294967295n, BigInt.asIntN(128, 4294967295n)); |
| assertEquals(4294967295n, BigInt.asIntN(129, 4294967295n)); |
| }{ |
| assertEquals(0n, BigInt.asIntN(0, -4294967295n)); |
| assertEquals(-1n, BigInt.asIntN(1, -4294967295n)); |
| assertEquals(1n, BigInt.asIntN(16, -4294967295n)); |
| assertEquals(1n, BigInt.asIntN(31, -4294967295n)); |
| assertEquals(1n, BigInt.asIntN(32, -4294967295n)); |
| assertEquals(-4294967295n, BigInt.asIntN(33, -4294967295n)); |
| assertEquals(-4294967295n, BigInt.asIntN(63, -4294967295n)); |
| assertEquals(-4294967295n, BigInt.asIntN(64,-4294967295n)); |
| assertEquals(-4294967295n, BigInt.asIntN(65, -4294967295n)); |
| assertEquals(-4294967295n, BigInt.asIntN(127, -4294967295n)); |
| assertEquals(-4294967295n, BigInt.asIntN(128, -4294967295n)); |
| assertEquals(-4294967295n, BigInt.asIntN(129, -4294967295n)); |
| }{ |
| assertEquals(42n, BigInt.asIntN(2**32, 42n)); |
| assertEquals(4294967295n, BigInt.asIntN(2**32, 4294967295n)); |
| assertEquals(4294967296n, BigInt.asIntN(2**32, 4294967296n)); |
| assertEquals(4294967297n, BigInt.asIntN(2**32, 4294967297n)); |
| }{ |
| assertThrows(() => BigInt.asIntN(2n, 12n), TypeError); |
| assertThrows(() => BigInt.asIntN(-1, 0n), RangeError); |
| assertThrows(() => BigInt.asIntN(2**53, 0n), RangeError); |
| assertEquals(0n, BigInt.asIntN({}, 12n)); |
| assertEquals(0n, BigInt.asIntN(2.9999, 12n)); |
| assertEquals(-4n, BigInt.asIntN(3.1234, 12n)); |
| }{ |
| assertThrows(() => BigInt.asIntN(3, 12), TypeError); |
| assertEquals(-4n, BigInt.asIntN(3, "12")); |
| assertEquals(0x123456789abcdefn, |
| BigInt.asIntN(64, 0xabcdef0123456789abcdefn)); |
| } |
| |
| // BigInt.asUintN |
| { |
| assertEquals(2, BigInt.asUintN.length); |
| }{ |
| assertEquals(7n, BigInt.asUintN(3, 15n)); |
| assertEquals(6n, BigInt.asUintN(3, 14n)); |
| assertEquals(5n, BigInt.asUintN(3, 13n)); |
| assertEquals(4n, BigInt.asUintN(3, 12n)); |
| assertEquals(3n, BigInt.asUintN(3, 11n)); |
| assertEquals(2n, BigInt.asUintN(3, 10n)); |
| assertEquals(1n, BigInt.asUintN(3, 9n)); |
| assertEquals(0n, BigInt.asUintN(3, 8n)); |
| assertEquals(7n, BigInt.asUintN(3, 7n)); |
| assertEquals(6n, BigInt.asUintN(3, 6n)); |
| assertEquals(5n, BigInt.asUintN(3, 5n)); |
| assertEquals(4n, BigInt.asUintN(3, 4n)); |
| assertEquals(3n, BigInt.asUintN(3, 3n)); |
| assertEquals(2n, BigInt.asUintN(3, 2n)); |
| assertEquals(1n, BigInt.asUintN(3, 1n)); |
| assertEquals(0n, BigInt.asUintN(3, 0n)); |
| assertEquals(7n, BigInt.asUintN(3, -1n)); |
| assertEquals(6n, BigInt.asUintN(3, -2n)); |
| assertEquals(5n, BigInt.asUintN(3, -3n)); |
| assertEquals(4n, BigInt.asUintN(3, -4n)); |
| assertEquals(3n, BigInt.asUintN(3, -5n)); |
| assertEquals(2n, BigInt.asUintN(3, -6n)); |
| assertEquals(1n, BigInt.asUintN(3, -7n)); |
| assertEquals(0n, BigInt.asUintN(3, -8n)); |
| assertEquals(7n, BigInt.asUintN(3, -9n)); |
| assertEquals(6n, BigInt.asUintN(3, -10n)); |
| assertEquals(5n, BigInt.asUintN(3, -11n)); |
| assertEquals(4n, BigInt.asUintN(3, -12n)); |
| assertEquals(3n, BigInt.asUintN(3, -13n)); |
| assertEquals(2n, BigInt.asUintN(3, -14n)); |
| assertEquals(1n, BigInt.asUintN(3, -15n)); |
| }{ |
| assertEquals(254n, BigInt.asUintN(10, 254n)); |
| assertEquals(255n, BigInt.asUintN(10, 255n)); |
| assertEquals(256n, BigInt.asUintN(10, 256n)); |
| assertEquals(257n, BigInt.asUintN(10, 257n)); |
| assertEquals(510n, BigInt.asUintN(10, 510n)); |
| assertEquals(511n, BigInt.asUintN(10, 511n)); |
| assertEquals(512n, BigInt.asUintN(10, 512n)); |
| assertEquals(513n, BigInt.asUintN(10, 513n)); |
| assertEquals(1022n, BigInt.asUintN(10, 1022n)); |
| assertEquals(1023n, BigInt.asUintN(10, 1023n)); |
| assertEquals(0n, BigInt.asUintN(10, 1024n)); |
| assertEquals(1n, BigInt.asUintN(10, 1025n)); |
| }{ |
| assertEquals(1024n - 254n, BigInt.asUintN(10, -254n)); |
| assertEquals(1024n - 255n, BigInt.asUintN(10, -255n)); |
| assertEquals(1024n - 256n, BigInt.asUintN(10, -256n)); |
| assertEquals(1024n - 257n, BigInt.asUintN(10, -257n)); |
| assertEquals(1024n - 510n, BigInt.asUintN(10, -510n)); |
| assertEquals(1024n - 511n, BigInt.asUintN(10, -511n)); |
| assertEquals(1024n - 512n, BigInt.asUintN(10, -512n)); |
| assertEquals(1024n - 513n, BigInt.asUintN(10, -513n)); |
| assertEquals(1024n - 1022n, BigInt.asUintN(10, -1022n)); |
| assertEquals(1024n - 1023n, BigInt.asUintN(10, -1023n)); |
| assertEquals(0n, BigInt.asUintN(10, -1024n)); |
| assertEquals(1023n, BigInt.asUintN(10, -1025n)); |
| }{ |
| assertEquals(0n, BigInt.asUintN(0, 0n)); |
| assertEquals(0n, BigInt.asUintN(1, 0n)); |
| assertEquals(0n, BigInt.asUintN(16, 0n)); |
| assertEquals(0n, BigInt.asUintN(31, 0n)); |
| assertEquals(0n, BigInt.asUintN(32, 0n)); |
| assertEquals(0n, BigInt.asUintN(33, 0n)); |
| assertEquals(0n, BigInt.asUintN(63, 0n)); |
| assertEquals(0n, BigInt.asUintN(64, 0n)); |
| assertEquals(0n, BigInt.asUintN(65, 0n)); |
| assertEquals(0n, BigInt.asUintN(127, 0n)); |
| assertEquals(0n, BigInt.asUintN(128, 0n)); |
| assertEquals(0n, BigInt.asUintN(129, 0n)); |
| }{ |
| assertEquals(0n, BigInt.asUintN(0, 42n)); |
| assertEquals(0n, BigInt.asUintN(1, 42n)); |
| assertEquals(42n, BigInt.asUintN(16, 42n)); |
| assertEquals(42n, BigInt.asUintN(31, 42n)); |
| assertEquals(42n, BigInt.asUintN(32, 42n)); |
| assertEquals(42n, BigInt.asUintN(33, 42n)); |
| assertEquals(42n, BigInt.asUintN(63, 42n)); |
| assertEquals(42n, BigInt.asUintN(64, 42n)); |
| assertEquals(42n, BigInt.asUintN(65, 42n)); |
| assertEquals(42n, BigInt.asUintN(127, 42n)); |
| assertEquals(42n, BigInt.asUintN(128, 42n)); |
| assertEquals(42n, BigInt.asUintN(129, 42n)); |
| }{ |
| assertEquals(0n, BigInt.asUintN(0, -42n)); |
| assertEquals(0n, BigInt.asUintN(1, -42n)); |
| assertEquals(65536n - 42n, BigInt.asUintN(16, -42n)); |
| assertEquals(2147483648n - 42n, BigInt.asUintN(31, -42n)); |
| assertEquals(4294967296n - 42n, BigInt.asUintN(32, -42n)); |
| assertEquals(8589934592n - 42n, BigInt.asUintN(33, -42n)); |
| assertEquals(9223372036854775808n - 42n, BigInt.asUintN(63, -42n)); |
| assertEquals(18446744073709551616n - 42n, BigInt.asUintN(64, -42n)); |
| assertEquals(36893488147419103232n - 42n, BigInt.asUintN(65, -42n)); |
| assertEquals(2n**127n - 42n, BigInt.asUintN(127, -42n)); |
| assertEquals(2n**128n - 42n, BigInt.asUintN(128, -42n)); |
| assertEquals(2n**129n - 42n, BigInt.asUintN(129, -42n)); |
| }{ |
| assertEquals(0n, BigInt.asUintN(0, 4294967295n)); |
| assertEquals(1n, BigInt.asUintN(1, 4294967295n)); |
| assertEquals(65535n, BigInt.asUintN(16, 4294967295n)); |
| assertEquals(2147483647n, BigInt.asUintN(31, 4294967295n)); |
| assertEquals(4294967295n, BigInt.asUintN(32, 4294967295n)); |
| assertEquals(4294967295n, BigInt.asUintN(33, 4294967295n)); |
| assertEquals(4294967295n, BigInt.asUintN(63, 4294967295n)); |
| assertEquals(4294967295n, BigInt.asUintN(64, 4294967295n)); |
| assertEquals(4294967295n, BigInt.asUintN(65, 4294967295n)); |
| assertEquals(4294967295n, BigInt.asUintN(127, 4294967295n)); |
| assertEquals(4294967295n, BigInt.asUintN(128, 4294967295n)); |
| assertEquals(4294967295n, BigInt.asUintN(129, 4294967295n)); |
| }{ |
| assertEquals(0n, BigInt.asUintN(0, -4294967295n)); |
| assertEquals(1n, BigInt.asUintN(1, -4294967295n)); |
| assertEquals(1n, BigInt.asUintN(16, -4294967295n)); |
| assertEquals(1n, BigInt.asUintN(31, -4294967295n)); |
| assertEquals(1n, BigInt.asUintN(32, -4294967295n)); |
| assertEquals(8589934592n - 4294967295n, BigInt.asUintN(33, -4294967295n)); |
| assertEquals(9223372036854775808n - 4294967295n, |
| BigInt.asUintN(63, -4294967295n)); |
| assertEquals(18446744073709551616n - 4294967295n, |
| BigInt.asUintN(64,-4294967295n)); |
| assertEquals(36893488147419103232n - 4294967295n, |
| BigInt.asUintN(65, -4294967295n)); |
| assertEquals(2n**127n - 4294967295n, BigInt.asUintN(127, -4294967295n)); |
| assertEquals(2n**128n - 4294967295n, BigInt.asUintN(128, -4294967295n)); |
| assertEquals(2n**129n - 4294967295n, BigInt.asUintN(129, -4294967295n)); |
| }{ |
| assertEquals(42n, BigInt.asUintN(2**32, 42n)); |
| assertEquals(4294967295n, BigInt.asUintN(2**32, 4294967295n)); |
| assertEquals(4294967296n, BigInt.asUintN(2**32, 4294967296n)); |
| assertEquals(4294967297n, BigInt.asUintN(2**32, 4294967297n)); |
| }{ |
| assertEquals( |
| BigInt.parseInt("0x7234567812345678"), |
| BigInt.asUintN(63, BigInt.parseInt("0xf234567812345678"))); |
| }{ |
| assertThrows(() => BigInt.asUintN(2n, 12n), TypeError); |
| assertThrows(() => BigInt.asUintN(-1, 0n), RangeError); |
| assertThrows(() => BigInt.asUintN(2**53, 0n), RangeError); |
| assertEquals(0n, BigInt.asUintN({}, 12n)); |
| assertEquals(0n, BigInt.asUintN(2.9999, 12n)); |
| assertEquals(4n, BigInt.asUintN(3.1234, 12n)); |
| }{ |
| assertThrows(() => BigInt.asUintN(3, 12), TypeError); |
| assertEquals(4n, BigInt.asUintN(3, "12")); |
| } |