mirror of
https://github.com/idanoo/GoScrobble.git
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67 lines
1.9 KiB
JavaScript
67 lines
1.9 KiB
JavaScript
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'use strict';
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var Buffer = require('../../').Buffer;
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var assert = require('assert');
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var a = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8, 9, 0]);
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var b = Buffer.from([5, 6, 7, 8, 9, 0, 1, 2, 3, 4]);
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assert.equal(-1, a.compare(b));
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// Equivalent to a.compare(b).
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assert.equal(-1, a.compare(b, 0));
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assert.equal(-1, a.compare(b, '0'));
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// Equivalent to a.compare(b).
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assert.equal(-1, a.compare(b, 0, undefined, 0));
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// Zero-length targer, return 1
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assert.equal(1, a.compare(b, 0, 0, 0));
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assert.equal(1, a.compare(b, '0', '0', '0'));
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// Equivalent to Buffer.compare(a, b.slice(6, 10))
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assert.equal(1, a.compare(b, 6, 10));
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// Zero-length source, return -1
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assert.equal(-1, a.compare(b, 6, 10, 0, 0));
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// Equivalent to Buffer.compare(a.slice(4), b.slice(0, 5))
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assert.equal(1, a.compare(b, 0, 5, 4));
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// Equivalent to Buffer.compare(a.slice(1), b.slice(5))
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assert.equal(1, a.compare(b, 5, undefined, 1));
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// Equivalent to Buffer.compare(a.slice(2), b.slice(2, 4))
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assert.equal(-1, a.compare(b, 2, 4, 2));
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// Equivalent to Buffer.compare(a.slice(4), b.slice(0, 7))
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assert.equal(-1, a.compare(b, 0, 7, 4));
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// Equivalent to Buffer.compare(a.slice(4, 6), b.slice(0, 7));
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assert.equal(-1, a.compare(b, 0, 7, 4, 6));
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// zero length target
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assert.equal(1, a.compare(b, 0, null));
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// coerces to targetEnd == 5
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assert.equal(-1, a.compare(b, 0, {valueOf: () => 5}));
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// zero length target
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assert.equal(1, a.compare(b, Infinity, -Infinity));
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// zero length target because default for targetEnd <= targetSource
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assert.equal(1, a.compare(b, '0xff'));
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var oor = /out of range index/;
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assert.throws(() => a.compare(b, 0, 100, 0), oor);
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assert.throws(() => a.compare(b, 0, 1, 0, 100), oor);
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assert.throws(() => a.compare(b, -1), oor);
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assert.throws(() => a.compare(b, 0, '0xff'), oor);
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assert.throws(() => a.compare(b, 0, Infinity), oor);
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assert.throws(() => a.compare(b, -Infinity, Infinity), oor);
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assert.throws(() => a.compare(), /Argument must be a Buffer/);
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