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6af10907a2
PR-URL: https://github.com/nodejs/node/pull/10807 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com> Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
39 lines
1.4 KiB
JavaScript
39 lines
1.4 KiB
JavaScript
'use strict';
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require('../common');
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const assert = require('assert');
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const b = Buffer.alloc(1, 'a');
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const c = Buffer.alloc(1, 'c');
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const d = Buffer.alloc(2, 'aa');
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const e = new Uint8Array([ 0x61, 0x61 ]); // ASCII 'aa', same as d
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assert.strictEqual(b.compare(c), -1);
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assert.strictEqual(c.compare(d), 1);
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assert.strictEqual(d.compare(b), 1);
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assert.strictEqual(d.compare(e), 0);
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assert.strictEqual(b.compare(d), -1);
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assert.strictEqual(b.compare(b), 0);
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assert.strictEqual(Buffer.compare(b, c), -1);
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assert.strictEqual(Buffer.compare(c, d), 1);
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assert.strictEqual(Buffer.compare(d, b), 1);
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assert.strictEqual(Buffer.compare(b, d), -1);
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assert.strictEqual(Buffer.compare(c, c), 0);
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assert.strictEqual(Buffer.compare(e, e), 0);
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assert.strictEqual(Buffer.compare(d, e), 0);
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assert.strictEqual(Buffer.compare(d, b), 1);
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assert.strictEqual(Buffer.compare(Buffer.alloc(0), Buffer.alloc(0)), 0);
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assert.strictEqual(Buffer.compare(Buffer.alloc(0), Buffer.alloc(1)), -1);
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assert.strictEqual(Buffer.compare(Buffer.alloc(1), Buffer.alloc(0)), 1);
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assert.throws(() => Buffer.compare(Buffer.alloc(1), 'abc'),
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/^TypeError: Arguments must be Buffers or Uint8Arrays$/);
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assert.throws(() => Buffer.compare('abc', Buffer.alloc(1)),
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/^TypeError: Arguments must be Buffers or Uint8Arrays$/);
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assert.throws(() => Buffer.alloc(1).compare('abc'),
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/^TypeError: Argument must be a Buffer or Uint8Array$/);
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