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var tape = require("tape");
var utf8 = require("..");
var data = require("fs").readFileSync(require.resolve("./data/utf8.txt")), dataStr = data.toString("utf8");
tape.test("utf8", function(test) {
test.test(test.name + " - length", function(test) { test.equal(utf8.length(""), 0, "should return a byte length of zero for an empty string");
test.equal(utf8.length(dataStr), Buffer.byteLength(dataStr), "should return the same byte length as node buffers");
test.end(); });
test.test(test.name + " - read", function(test) { var comp = utf8.read([], 0, 0); test.equal(comp, "", "should decode an empty buffer to an empty string");
comp = utf8.read(data, 0, data.length); test.equal(comp, data.toString("utf8"), "should decode to the same byte data as node buffers");
var longData = Buffer.concat([data, data, data, data]); comp = utf8.read(longData, 0, longData.length); test.equal(comp, longData.toString("utf8"), "should decode to the same byte data as node buffers (long)");
var chunkData = new Buffer(data.toString("utf8").substring(0, 8192)); comp = utf8.read(chunkData, 0, chunkData.length); test.equal(comp, chunkData.toString("utf8"), "should decode to the same byte data as node buffers (chunk size)");
test.end(); });
test.test(test.name + " - write", function(test) { var buf = new Buffer(0); test.equal(utf8.write("", buf, 0), 0, "should encode an empty string to an empty buffer");
var len = utf8.length(dataStr); buf = new Buffer(len); test.equal(utf8.write(dataStr, buf, 0), len, "should encode to exactly " + len + " bytes");
test.equal(buf.length, data.length, "should encode to a buffer length equal to that of node buffers");
for (var i = 0; i < buf.length; ++i) { if (buf[i] !== data[i]) { test.fail("should encode to the same buffer data as node buffers (offset " + i + ")"); return; } } test.pass("should encode to the same buffer data as node buffers");
test.end(); });
});
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