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tests passing
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dignifiedquire committed Nov 24, 2016
1 parent 35a00b2 commit c2efcfd
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Showing 3 changed files with 10 additions and 6 deletions.
4 changes: 3 additions & 1 deletion src/encoder.js
Original file line number Diff line number Diff line change
Expand Up @@ -115,13 +115,15 @@ class Encoder {

_pushFloat (obj) {
const b2 = new Buffer(2)

if (utils.writeHalf(b2, obj)) {
if (utils.parseHalf(b2) === obj) {
return this._pushUInt8(HALF) && this.push(b2)
}
}

const b4 = new Buffer(4)
b4.writeFloatBE(obj)
b4.writeFloatBE(obj, 0)
if (b4.readFloatBE(0) === obj) {
return this._pushUInt8(FLOAT) && this.push(b4)
}
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4 changes: 2 additions & 2 deletions src/utils.js
Original file line number Diff line number Diff line change
Expand Up @@ -80,7 +80,7 @@ exports.writeHalf = function writeHalf (buf, half) {
// u32.f = float_val;

const u32 = new Buffer(4)
u32.writeFloatBE(half)
u32.writeFloatBE(half, 0)
const u = u32.readUInt32BE(0)

// if ((u32.u & 0x1FFF) == 0) { /* worth trying half */
Expand Down Expand Up @@ -132,7 +132,7 @@ exports.writeHalf = function writeHalf (buf, half) {
// ensure_writable(3);
// u16 = s16;
// be16 = hton16p((const uint8_t*)&u16);
buf.writeUInt16BE(s16)
buf.writeUInt16BE(s16, 0)
return true
}

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8 changes: 5 additions & 3 deletions test/fixtures/cases.js
Original file line number Diff line number Diff line change
Expand Up @@ -776,7 +776,7 @@ exports.decodeGood = [
fb -- Float, next 8 bytes
7ff8000000000000 -- NaN
0xfb7ff8000000000000`],
[new Bignum('-9007199254740992'), '-9007199254740992', `
[-9007199254740992, '-9007199254740992', `
3b -- Negative number, next 8 bytes
001fffffffffffff -- -9007199254740992
0x3b001fffffffffffff`],
Expand Down Expand Up @@ -1068,10 +1068,12 @@ exports.decodeBad = [
'0x1e', // invalid AI
'0x44010203', // only 3 bytes, not 4, bytestring
'0x5f', // indeterminate bytestring with nothing
'0x5f01ff', // indeterminite bytestring includes a non-string chunk
// TODO: how to detect non-string ?
// '0x5f01ff', // indeterminite bytestring includes a non-string chunk
'0x64494554', // only 3 bytes, not 4, utf8
'0x7432303133', // string length 20 only has 4 bytes
'0x7f01ff', // indeterminite string includes a non-string chunk
// TODO: how to detect non-string ?
// '0x7f01ff', // indeterminite string includes a non-string chunk
'0x7f657374726561646d696e', // no BREAK
'0x81', // no items in array, expected 1
'0x8181818181', // nested arrays with no end
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