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sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
42 lines
1.3 KiB
JavaScript
42 lines
1.3 KiB
JavaScript
// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --harmony-bigint
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var a = 5n;
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var b = a / -1n;
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assertEquals(5n, a);
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assertEquals(-5n, b);
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assertEquals(5n, 5n / 1n);
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assertEquals(5n, -5n / -1n);
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assertEquals(-5n, -5n / 1n);
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assertEquals(0n, 5n % 1n);
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assertEquals(0n, -5n % 1n);
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assertEquals(0n, 5n % -1n);
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assertEquals(0n, -5n % -1n);
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assertTrue(0n === 0n);
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// crbug.com/818277: Must throw without DCHECK failures.
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// In order to run acceptably fast in Debug mode, this test assumes that
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// we allow at least 2 billion bits in a BigInt.
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var close_to_limit = 2n ** 2000000000n;
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assertThrows(() => close_to_limit ** 100n, RangeError);
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// Check boundary conditions of the power-of-two fast path.
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// The following "max" constants are just under BigInt::kMaxLengthBits
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// and replicate the computation of that constant.
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var kMaxInt = 2n ** 31n - 1n;
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var max64 = kMaxInt - 64n - 2n;
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var max32 = kMaxInt - 32n - 2n;
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// Platform independence trick: at least one of the two operations will throw!
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assertThrows(() => { var a = 2n ** max32; var b = 2n ** max64; }, RangeError);
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(function() {
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function Constructor() { }
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Constructor.prototype = 5n;
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assertThrows(() => ({}) instanceof Constructor, TypeError);
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})();
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