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66 lines
1.9 KiB
66 lines
1.9 KiB
'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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