mirror of https://github.com/tc39/test262.git
63 lines
1.8 KiB
JavaScript
63 lines
1.8 KiB
JavaScript
// Copyright (C) 2017 Josh Wolfe. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: BigInt.asIntN type coercion for bigint parameter
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esid: sec-bigint.asintn
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info: |
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BigInt.asIntN ( bits, bigint )
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2. Let bigint ? ToBigInt(bigint).
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features: [BigInt, computed-property-names, Symbol, Symbol.toPrimitive]
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---*/
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assert.sameValue(BigInt.asIntN(2, Object(0n)), 0n, "ToPrimitive: unbox object with internal slot");
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assert.sameValue(BigInt.asIntN(2, {
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[Symbol.toPrimitive]: function() {
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return 0n;
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}
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}), 0n, "ToPrimitive: @@toPrimitive");
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assert.sameValue(BigInt.asIntN(2, {
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valueOf: function() {
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return 0n;
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}
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}), 0n, "ToPrimitive: valueOf");
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assert.sameValue(BigInt.asIntN(2, {
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toString: function() {
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return 0n;
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}
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}), 0n, "ToPrimitive: toString");
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assert.sameValue(BigInt.asIntN(2, Object(true)), 1n,
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"ToBigInt: unbox object with internal slot => true => 1n");
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assert.sameValue(BigInt.asIntN(2, {
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[Symbol.toPrimitive]: function() {
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return true;
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}
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}), 1n, "ToBigInt: @@toPrimitive => true => 1n");
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assert.sameValue(BigInt.asIntN(2, {
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valueOf: function() {
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return true;
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}
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}), 1n, "ToBigInt: valueOf => true => 1n");
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assert.sameValue(BigInt.asIntN(2, {
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toString: function() {
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return true;
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}
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}), 1n, "ToBigInt: toString => true => 1n");
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assert.sameValue(BigInt.asIntN(2, Object("1")), 1n,
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"ToBigInt: unbox object with internal slot => parse BigInt");
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assert.sameValue(BigInt.asIntN(2, {
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[Symbol.toPrimitive]: function() {
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return "1";
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}
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}), 1n, "ToBigInt: @@toPrimitive => parse BigInt");
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assert.sameValue(BigInt.asIntN(2, {
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valueOf: function() {
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return "1";
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}
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}), 1n, "ToBigInt: valueOf => parse BigInt");
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assert.sameValue(BigInt.asIntN(2, {
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toString: function() {
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return "1";
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}
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}), 1n, "ToBigInt: toString => parse BigInt");
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