"test read string spanning multiple buffers": function(test) {
var buffers = new Buffers();
buffers.push(new Buffer('hello ', 'utf8'));
buffers.push(new Buffer('cruel ', 'utf8'));
buffers.push(new Buffer('world! how ', 'utf8'));
buffers.push(new Buffer('is it going?', 'utf8'));
buffers.push(new Buffer(' you look tired, my pal', 'utf8'));
var decoder = new StringDecoder('utf8');
var str = '';
buffers.read(18, function(buf) {
str = str + decoder.write(buf);
});
test.equal('hello cruel world!', str, 'first string composed incorrectly from sub buffers');
str = '';
buffers.read(17, function(buf) {
str = str + decoder.write(buf);
});
test.equal(' how is it going?', str, 'second string composed incorrectly from sub buffers');
str = '';
buffers.read(15, function(buf) {
str = str + decoder.write(buf);
});
test.equal(' you look tired', str, 'third string composed incorrectly from sub buffers');
test.equal(buffers.length(), 8, 'buffers length should be 8 for ", my pal" after reading strings');
test.done();
},
"test reading partially from a buffer": function(test) {
var buffers = new Buffers();
buffers.push(new Buffer('hello world!', 'utf8'));
buffers.read(6, function(buf) {
test.equal('hello ', buf.toString('utf8'), 'first string is not as expected');
});
buffers.read(6, function(buf) {
test.equal('world!', buf.toString('utf8'), 'second string is not as expected');
});
test.equal(buffers.length(), 0, 'buffers length should be 0 after consuming the two sub buffers');
test.done();
},
"test reading over buffer boundaries": function(test) {
var buffers = new Buffers();
buffers.push(new Buffer('hello, big scary', 'utf8'));
buffers.push(new Buffer(' world', 'utf8'));
buffers.read(7, function(buf) {
test.equal('hello, ', buf.toString('utf8'), 'first string is not as expected');
});
var decoder = new StringDecoder('utf8');
var str = '';
buffers.read(15, function(buf) {
str = str + decoder.write(buf);
});
test.equal('big scary world', str, 'second string is not as expected');
test.equal(buffers.length(), 0, 'buffers length should be 0 after consuming the two sub buffers');
test.done();
}
"test reading exact buffers" : function(test) {
test.expect(5);
var str1 = 'hèllo wörld';
var str2 = '¡niño niño, qué haces?!';
var buf1 = new Buffer(str1, 'utf8');
var buf2 = new Buffer(str2, 'utf8');
var buffers = new Buffers();
buffers.push(buf1);
buffers.push(buf2);
test.equal(buffers.length(), buf1.length + buf2.length, 'length should be length of 2 remaining buffers');
buffers.read(buf1.length, function(buf) {
test.equal(str1, buf.toString('utf8'), 'str1 is not as expected');
});
test.equal(buffers.length(), buf2.length, 'length should be length of remaining buffer');
buffers.read(buf2.length, function(buf) {
test.equal(str2, buf.toString('utf8'), 'str2 is not as expected');
});
test.equal(buffers.length(), 0, 'buffers length should be 0 after consuming the two sub buffers');
test.done();
},