node-postgres/test/writer-tests.js
2010-09-29 02:39:43 -05:00

73 lines
1.9 KiB
JavaScript

require(__dirname + "/test-helper");
assert.equalBuffers = function(actual, expected) {
if(actual.length != expected.length) {
console.log(actual);
console.log(expected);
assert.equal(actual.length, expected.length);
}
for(var i = 0; i < actual.length; i++) {
if(actual[i] != expected[i]) {
console.log(actual);
console.log(expected);
}
assert.equal(actual[i],expected[i]);
}
}
BufferList.prototype.compare = function(expected) {
var buf = this.join();
assert.equalBuffers(buf, expected);
};
test('adds int16', function() {
new BufferList().addInt16(5).compare([0, 5]);
});
test('adds two int16s', function() {
new BufferList().addInt16(5).addInt16(3).compare([0,5,0,3]);
});
test('adds int32', function() {
new BufferList().addInt32(1).compare([0,0,0,1]);
new BufferList().addInt32(1).addInt32(3).compare([0,0,0,1,0,0,0,3]);
});
test('adds CStrings', function() {
new BufferList().addCString('').compare([0]);
new BufferList().addCString('!!').compare([33,33,0]);
new BufferList().addCString('!').addCString('!').compare([33,0,33,0]);
});
test('computes length', function() {
var buf = new BufferList().join(true);
assert.equalBuffers(buf, [0,0,0,4]);
});
test('appends character', function() {
var buf = new BufferList().join(false,'!');
assert.equalBuffers(buf,[33]);
});
test('appends char and length', function() {
var buf = new BufferList().join(true,'!');
assert.equalBuffers(buf,[33,0,0,0,4]);
});
test('does complicated buffer', function() {
var buf = new BufferList()
.addInt32(1)
.addInt16(2)
.addCString('!')
.join(true,'!');
assert.equalBuffers(buf, [33, 0, 0, 0, 0x0c, 0, 0, 0, 1, 0, 2, 33, 0]);
});
test('concats', function() {
var buf1 = new BufferList().addInt32(8).join(false,'!');
var buf2 = new BufferList().addInt16(1).join();
var result = BufferList.concat(buf1, buf2);
assert.equalBuffers(result, [33, 0, 0, 0, 8, 0, 1]);
});