mirror of https://github.com/tc39/test262.git
32 lines
1.5 KiB
JavaScript
32 lines
1.5 KiB
JavaScript
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// 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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esid: pending
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description: BigInt.asIntN type coercion for bigint parameter
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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, Symbol, Symbol.toPrimitive, arrow-function]
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---*/
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function MyError() {}
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assert.sameValue(BigInt.asIntN(3, Object(10n)), 2n);
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assert.sameValue(BigInt.asIntN(3, {[Symbol.toPrimitive]:()=>10n, valueOf(){throw new MyError();}, toString(){throw new MyError();}}), 2n);
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assert.sameValue(BigInt.asIntN(3, {valueOf:()=>10n, toString(){throw new MyError();}}), 2n);
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assert.sameValue(BigInt.asIntN(3, {toString:()=>"10"}), 2n);
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assert.throws(MyError, () => BigInt.asIntN(0, {[Symbol.toPrimitive](){throw new MyError();}, valueOf:()=>10n, toString:()=>"10"}));
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assert.throws(MyError, () => BigInt.asIntN(0, {valueOf(){throw new MyError();}, toString:()=>"10"}));
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assert.throws(MyError, () => BigInt.asIntN(0, {toString(){throw new MyError();}}));
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assert.throws(TypeError, () => BigInt.asIntN(0, undefined));
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assert.throws(TypeError, () => BigInt.asIntN(0, null));
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assert.sameValue(BigInt.asIntN(2, true), 1n);
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assert.sameValue(BigInt.asIntN(2, false), 0n);
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assert.throws(TypeError, () => BigInt.asIntN(0, 0));
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assert.throws(SyntaxError, () => BigInt.asIntN(0, "foo"));
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assert.sameValue(BigInt.asIntN(3, "10"), 2n);
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assert.sameValue(BigInt.asIntN(4, "12345678901234567890003"), 3n);
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assert.throws(TypeError, () => BigInt.asIntN(0, Symbol("1")));
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