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'use strict';
const common = require('../common');
const assert = require('assert');
const b = Buffer.alloc(1, 'a');
const c = Buffer.alloc(1, 'c');
const d = Buffer.alloc(2, 'aa');
const e = new Uint8Array([ 0x61, 0x61 ]); // ASCII 'aa', same as d
assert.strictEqual(b.compare(c), -1);
assert.strictEqual(c.compare(d), 1);
assert.strictEqual(d.compare(b), 1);
assert.strictEqual(d.compare(e), 0);
assert.strictEqual(b.compare(d), -1);
assert.strictEqual(b.compare(b), 0);
assert.strictEqual(Buffer.compare(b, c), -1);
assert.strictEqual(Buffer.compare(c, d), 1);
assert.strictEqual(Buffer.compare(d, b), 1);
assert.strictEqual(Buffer.compare(b, d), -1);
assert.strictEqual(Buffer.compare(c, c), 0);
assert.strictEqual(Buffer.compare(e, e), 0);
assert.strictEqual(Buffer.compare(d, e), 0);
assert.strictEqual(Buffer.compare(d, b), 1);
assert.strictEqual(Buffer.compare(Buffer.alloc(0), Buffer.alloc(0)), 0);
assert.strictEqual(Buffer.compare(Buffer.alloc(0), Buffer.alloc(1)), -1);
assert.strictEqual(Buffer.compare(Buffer.alloc(1), Buffer.alloc(0)), 1);
assert.throws(() => Buffer.compare(Buffer.alloc(1), 'abc'), {
code: 'ERR_INVALID_ARG_TYPE',
message: 'The "buf2" argument must be one of type Buffer or Uint8Array. ' +
'Received type string'
});
assert.throws(() => Buffer.compare('abc', Buffer.alloc(1)), {
code: 'ERR_INVALID_ARG_TYPE',
message: 'The "buf1" argument must be one of type Buffer or Uint8Array. ' +
'Received type string'
});
common.expectsError(() => Buffer.alloc(1).compare('abc'), {
code: 'ERR_INVALID_ARG_TYPE',
type: TypeError,
message: 'The "target" argument must be one of ' +
'type Buffer or Uint8Array. Received type string'
});