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Added additional test cases for readUInt64LEBN

This commit is contained in:
Braydon Fuller 2015-06-30 16:19:53 -04:00
parent 08a80d74d5
commit 2a71863992
1 changed files with 36 additions and 0 deletions
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36
test/encoding/bufferreader.js
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@ -190,6 +190,13 @@ describe('BufferReader', function() {
br.readUInt64LEBN().toNumber().should.equal(1);
});
it('should return 10BTC', function() {
var tenbtc = 10 * 1e8;
var tenbtcBuffer = new Buffer('00ca9a3b00000000', 'hex');
var br = new BufferReader(tenbtcBuffer);
br.readUInt64LEBN().toNumber().should.equal(tenbtc);
});
it('should return 2^30', function() {
var buf = new Buffer(8);
buf.fill(0);
@ -198,6 +205,35 @@ describe('BufferReader', function() {
br.readUInt64LEBN().toNumber().should.equal(Math.pow(2, 30));
});
it('should return 2^32 + 1', function() {
var num = Math.pow(2, 32) + 1;
var numBuffer = new Buffer('0100000001000000', 'hex');
var br = new BufferReader(numBuffer);
br.readUInt64LEBN().toNumber().should.equal(num);
});
it('should return max number of satoshis', function() {
var maxSatoshis = 21000000 * 1e8;
var maxSatoshisBuffer = new Buffer('0040075af0750700', 'hex');
var br = new BufferReader(maxSatoshisBuffer);
br.readUInt64LEBN().toNumber().should.equal(maxSatoshis);
});
it('should return 2^53 - 1', function() {
var maxSafe = Math.pow(2, 53) - 1;
var maxSafeBuffer = new Buffer('ffffffffffff1f00', 'hex');
var br = new BufferReader(maxSafeBuffer);
br.readUInt64LEBN().toNumber().should.equal(maxSafe);
});
it('should return 2^53', function() {
var bn = new BN('20000000000000', 16);
var bnBuffer = new Buffer('0000000000002000', 'hex');
var br = new BufferReader(bnBuffer);
var readbn = br.readUInt64LEBN();
readbn.cmp(bn).should.equal(0);
});
it('should return 0', function() {
var buf = new Buffer(8);
buf.fill(0);