61 lines
2.8 KiB
JavaScript
61 lines
2.8 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var chai_1 = require("chai");
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var node_1 = require("./node");
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describe('node.ts', function () {
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describe('Node', function () {
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var node = new node_1.Node(1);
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it('Setting/getting buffer creates a copy', function () {
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var buf = Buffer.from([1, 2, 3]);
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node.setBuffer(buf);
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chai_1.expect(buf === node.getBuffer()).to.be.false; // Objects not equal, so copy.
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chai_1.expect(buf.toJSON()).to.eql(node.getBuffer().toJSON());
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});
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describe('.write(buf, off, len, pos)', function () {
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it('Simple write into empty node', function () {
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var node = new node_1.Node(1);
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node.write(Buffer.from([1, 2, 3]));
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chai_1.expect(node.getBuffer().equals(Buffer.from([1, 2, 3]))).to.be.true;
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});
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it('Append to the end', function () {
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var node = new node_1.Node(1);
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node.write(Buffer.from([1, 2]));
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node.write(Buffer.from([3, 4]), 0, 2, 2);
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var result = Buffer.from([1, 2, 3, 4]);
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chai_1.expect(node.getBuffer().equals(result)).to.be.true;
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});
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it('Overwrite part of the buffer', function () {
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var node = new node_1.Node(1);
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node.write(Buffer.from([1, 2, 3]));
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node.write(Buffer.from([4, 5, 6]), 1, 2, 1);
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var result = Buffer.from([1, 5, 6]);
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chai_1.expect(node.getBuffer().equals(result)).to.be.true;
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});
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it('Overwrite part of the buffer and extend', function () {
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var node = new node_1.Node(1);
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node.write(Buffer.from([1, 2, 3]));
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node.write(Buffer.from([4, 5, 6, 7]), 0, 4, 2);
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var result = Buffer.from([1, 2, 4, 5, 6, 7]);
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chai_1.expect(node.getBuffer().equals(result)).to.be.true;
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});
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it('Write outside the space of the buffer', function () {
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var node = new node_1.Node(1);
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node.write(Buffer.from([1, 2, 3]));
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node.write(Buffer.from([7, 8, 9]), 0, 3, 6);
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node.write(Buffer.from([4, 5, 6]), 0, 3, 3);
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var result = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8, 9]);
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chai_1.expect(node.getBuffer().equals(result)).to.be.true;
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});
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});
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describe('.read(buf, off, len, pos)', function () {
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it('Simple one byte read', function () {
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var node = new node_1.Node(1);
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node.write(Buffer.from([1, 2, 3]));
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var buf = Buffer.allocUnsafe(1);
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node.read(buf, 0, 1, 1);
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chai_1.expect(buf.equals(Buffer.from([2]))).to.be.true;
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});
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});
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});
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});
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