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JavaScript
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2019-09-21 16:11:55 +02:00
"use strict";
var expect = require("chai").expect;
require("../index.js");
describe("Buffer#indexOf", function () {
it("Buffer as value", function () {
var buffer = new Buffer("ABC");
expect(buffer.indexOf(new Buffer("ABC"))).to.be.equal(0);
expect(buffer.indexOf(new Buffer("AB"))).to.be.equal(0);
expect(buffer.indexOf(new Buffer("BC"))).to.be.equal(1);
expect(buffer.indexOf(new Buffer("C"))).to.be.equal(2);
expect(buffer.indexOf(new Buffer("CC"))).to.be.equal(-1);
expect(buffer.indexOf(new Buffer("CA"))).to.be.equal(-1);
expect(buffer.indexOf(new Buffer("ABC"), 1)).to.be.equal(-1);
expect(buffer.indexOf(new Buffer("AB"), 1)).to.be.equal(-1);
expect(buffer.indexOf(new Buffer("BC"), 1)).to.be.equal(1);
expect(buffer.indexOf(new Buffer("C"), 1)).to.be.equal(2);
expect(buffer.indexOf(new Buffer("CC"), 1)).to.be.equal(-1);
expect(buffer.indexOf(new Buffer("CA"), 1)).to.be.equal(-1);
});
it("String as value", function () {
var buffer = new Buffer("ABC");
expect(buffer.indexOf("ABC")).to.be.equal(0);
expect(buffer.indexOf("AB")).to.be.equal(0);
expect(buffer.indexOf("BC")).to.be.equal(1);
expect(buffer.indexOf("C")).to.be.equal(2);
expect(buffer.indexOf("CC")).to.be.equal(-1);
expect(buffer.indexOf("CA")).to.be.equal(-1);
expect(buffer.indexOf("ABC", 1)).to.be.equal(-1);
expect(buffer.indexOf("AB", 1)).to.be.equal(-1);
expect(buffer.indexOf("BC", 1)).to.be.equal(1);
expect(buffer.indexOf("C", 1)).to.be.equal(2);
expect(buffer.indexOf("CC", 1)).to.be.equal(-1);
expect(buffer.indexOf("CA", 1)).to.be.equal(-1);
});
it("Number as value", function () {
var buffer = new Buffer([ 1, 2, 3 ]);
expect(buffer.indexOf(1)).to.be.equal(0);
expect(buffer.indexOf(2)).to.be.equal(1);
expect(buffer.indexOf(3)).to.be.equal(2);
expect(buffer.indexOf(4)).to.be.equal(-1);
expect(buffer.indexOf(1, 1)).to.be.equal(-1);
expect(buffer.indexOf(2, 1)).to.be.equal(1);
expect(buffer.indexOf(3, 1)).to.be.equal(2);
expect(buffer.indexOf(4, 1)).to.be.equal(-1);
});
});
describe("Buffer#lastIndexOf", function () {
it("Buffer as value", function () {
var buffer = new Buffer("ABCABC");
expect(buffer.lastIndexOf(new Buffer("ABC"))).to.be.equal(3);
expect(buffer.lastIndexOf(new Buffer("AB"))).to.be.equal(3);
expect(buffer.lastIndexOf(new Buffer("BC"))).to.be.equal(4);
expect(buffer.lastIndexOf(new Buffer("C"))).to.be.equal(5);
expect(buffer.lastIndexOf(new Buffer("CC"))).to.be.equal(-1);
expect(buffer.lastIndexOf(new Buffer("CA"))).to.be.equal(2);
expect(buffer.lastIndexOf(new Buffer("ABC"), 1)).to.be.equal(0);
expect(buffer.lastIndexOf(new Buffer("AB"), 1)).to.be.equal(0);
expect(buffer.lastIndexOf(new Buffer("BC"), 1)).to.be.equal(1);
expect(buffer.lastIndexOf(new Buffer("C"), 1)).to.be.equal(-1);
expect(buffer.lastIndexOf(new Buffer("CC"), 1)).to.be.equal(-1);
expect(buffer.lastIndexOf(new Buffer("CA"), 1)).to.be.equal(-1);
});
it("String as value", function () {
var buffer = new Buffer("ABCABC");
expect(buffer.lastIndexOf("ABC")).to.be.equal(3);
expect(buffer.lastIndexOf("AB")).to.be.equal(3);
expect(buffer.lastIndexOf("BC")).to.be.equal(4);
expect(buffer.lastIndexOf("C")).to.be.equal(5);
expect(buffer.lastIndexOf("CC")).to.be.equal(-1);
expect(buffer.lastIndexOf("CA")).to.be.equal(2);
expect(buffer.lastIndexOf("ABC", 1)).to.be.equal(0);
expect(buffer.lastIndexOf("AB", 1)).to.be.equal(0);
expect(buffer.lastIndexOf("BC", 1)).to.be.equal(1);
expect(buffer.lastIndexOf("C", 1)).to.be.equal(-1);
expect(buffer.lastIndexOf("CC", 1)).to.be.equal(-1);
expect(buffer.lastIndexOf("CA", 1)).to.be.equal(-1);
// make sure it works predictable
buffer = buffer.toString();
expect(buffer.lastIndexOf("ABC")).to.be.equal(3);
expect(buffer.lastIndexOf("AB")).to.be.equal(3);
expect(buffer.lastIndexOf("BC")).to.be.equal(4);
expect(buffer.lastIndexOf("C")).to.be.equal(5);
expect(buffer.lastIndexOf("CC")).to.be.equal(-1);
expect(buffer.lastIndexOf("CA")).to.be.equal(2);
expect(buffer.lastIndexOf("ABC", 1)).to.be.equal(0);
expect(buffer.lastIndexOf("AB", 1)).to.be.equal(0);
expect(buffer.lastIndexOf("BC", 1)).to.be.equal(1);
expect(buffer.lastIndexOf("C", 1)).to.be.equal(-1);
expect(buffer.lastIndexOf("CC", 1)).to.be.equal(-1);
expect(buffer.lastIndexOf("CA", 1)).to.be.equal(-1);
});
it("Number as value", function () {
var buffer = new Buffer([ 1, 2, 3, 1, 2, 3]);
expect(buffer.lastIndexOf(1)).to.be.equal(3);
expect(buffer.lastIndexOf(2)).to.be.equal(4);
expect(buffer.lastIndexOf(3)).to.be.equal(5);
expect(buffer.lastIndexOf(4)).to.be.equal(-1);
expect(buffer.lastIndexOf(1, 1)).to.be.equal(0);
expect(buffer.lastIndexOf(2, 1)).to.be.equal(1);
expect(buffer.lastIndexOf(3, 1)).to.be.equal(-1);
expect(buffer.lastIndexOf(4, 1)).to.be.equal(-1);
});
});