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nodejs/test/mjsunit/test-buffer.js
2009-12-29 21:12:28 +01:00

39 lines
742 B
JavaScript

sys = require("sys");
assert = require("assert");
var b = new process.Buffer(1024);
sys.puts("b.length == " + b.length);
assert.equal(1024, b.length);
for (var i = 0; i < 1024; i++) {
assert.ok(b[i] >= 0);
b[i] = i % 256;
}
for (var i = 0; i < 1024; i++) {
assert.equal(i % 256, b[i]);
}
for (var j = 0; j < 10000; j++) {
var asciiString = "hello world";
for (var i = 0; i < asciiString.length; i++) {
b[i] = asciiString.charCodeAt(i);
}
var asciiSlice = b.asciiSlice(0, asciiString.length);
assert.equal(asciiString, asciiSlice);
}
for (var j = 0; j < 10000; j++) {
var slice = b.slice(100, 150);
assert.equal(50, slice.length);
for (var i = 0; i < 50; i++) {
assert.equal(b[100+i], slice[i]);
}
}