diff options
Diffstat (limited to 'addon-sdk/source/test/buffers')
| -rw-r--r-- | addon-sdk/source/test/buffers/test-read-types.js | 368 | ||||
| -rw-r--r-- | addon-sdk/source/test/buffers/test-write-types.js | 602 |
2 files changed, 0 insertions, 970 deletions
diff --git a/addon-sdk/source/test/buffers/test-read-types.js b/addon-sdk/source/test/buffers/test-read-types.js deleted file mode 100644 index 35aca16ad..000000000 --- a/addon-sdk/source/test/buffers/test-read-types.js +++ /dev/null @@ -1,368 +0,0 @@ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. - -const { Buffer } = require('sdk/io/buffer'); - -exports.testReadDouble = helper('readDoubleLE/readDoubleBE', function (assert) { - var buffer = new Buffer(8); - - buffer[0] = 0x55; - buffer[1] = 0x55; - buffer[2] = 0x55; - buffer[3] = 0x55; - buffer[4] = 0x55; - buffer[5] = 0x55; - buffer[6] = 0xd5; - buffer[7] = 0x3f; - assert.equal(1.1945305291680097e+103, buffer.readDoubleBE(0)); - assert.equal(0.3333333333333333, buffer.readDoubleLE(0)); - - buffer[0] = 1; - buffer[1] = 0; - buffer[2] = 0; - buffer[3] = 0; - buffer[4] = 0; - buffer[5] = 0; - buffer[6] = 0xf0; - buffer[7] = 0x3f; - assert.equal(7.291122019655968e-304, buffer.readDoubleBE(0)); - assert.equal(1.0000000000000002, buffer.readDoubleLE(0)); - - buffer[0] = 2; - assert.equal(4.778309726801735e-299, buffer.readDoubleBE(0)); - assert.equal(1.0000000000000004, buffer.readDoubleLE(0)); - - buffer[0] = 1; - buffer[6] = 0; - buffer[7] = 0; - assert.equal(7.291122019556398e-304, buffer.readDoubleBE(0)); - assert.equal(5e-324, buffer.readDoubleLE(0)); - - buffer[0] = 0xff; - buffer[1] = 0xff; - buffer[2] = 0xff; - buffer[3] = 0xff; - buffer[4] = 0xff; - buffer[5] = 0xff; - buffer[6] = 0x0f; - buffer[7] = 0x00; - assert.ok(isNaN(buffer.readDoubleBE(0))); - assert.equal(2.225073858507201e-308, buffer.readDoubleLE(0)); - - buffer[6] = 0xef; - buffer[7] = 0x7f; - assert.ok(isNaN(buffer.readDoubleBE(0))); - assert.equal(1.7976931348623157e+308, buffer.readDoubleLE(0)); - - buffer[0] = 0; - buffer[1] = 0; - buffer[2] = 0; - buffer[3] = 0; - buffer[4] = 0; - buffer[5] = 0; - buffer[6] = 0xf0; - buffer[7] = 0x3f; - assert.equal(3.03865e-319, buffer.readDoubleBE(0)); - assert.equal(1, buffer.readDoubleLE(0)); - - buffer[6] = 0; - buffer[7] = 0x40; - assert.equal(3.16e-322, buffer.readDoubleBE(0)); - assert.equal(2, buffer.readDoubleLE(0)); - - buffer[7] = 0xc0; - assert.equal(9.5e-322, buffer.readDoubleBE(0)); - assert.equal(-2, buffer.readDoubleLE(0)); - - buffer[6] = 0x10; - buffer[7] = 0; - assert.equal(2.0237e-320, buffer.readDoubleBE(0)); - assert.equal(2.2250738585072014e-308, buffer.readDoubleLE(0)); - - buffer[6] = 0; - assert.equal(0, buffer.readDoubleBE(0)); - assert.equal(0, buffer.readDoubleLE(0)); - assert.equal(false, 1 / buffer.readDoubleLE(0) < 0); - - buffer[7] = 0x80; - assert.equal(6.3e-322, buffer.readDoubleBE(0)); - assert.equal(0, buffer.readDoubleLE(0)); - assert.equal(true, 1 / buffer.readDoubleLE(0) < 0); - - buffer[6] = 0xf0; - buffer[7] = 0x7f; - assert.equal(3.0418e-319, buffer.readDoubleBE(0)); - assert.equal(Infinity, buffer.readDoubleLE(0)); - - buffer[6] = 0xf0; - buffer[7] = 0xff; - assert.equal(3.04814e-319, buffer.readDoubleBE(0)); - assert.equal(-Infinity, buffer.readDoubleLE(0)); -}); - - -exports.testReadFloat = helper('readFloatLE/readFloatBE', function (assert) { - var buffer = new Buffer(4); - - buffer[0] = 0; - buffer[1] = 0; - buffer[2] = 0x80; - buffer[3] = 0x3f; - assert.equal(4.600602988224807e-41, buffer.readFloatBE(0)); - assert.equal(1, buffer.readFloatLE(0)); - - buffer[0] = 0; - buffer[1] = 0; - buffer[2] = 0; - buffer[3] = 0xc0; - assert.equal(2.6904930515036488e-43, buffer.readFloatBE(0)); - assert.equal(-2, buffer.readFloatLE(0)); - - buffer[0] = 0xff; - buffer[1] = 0xff; - buffer[2] = 0x7f; - buffer[3] = 0x7f; - assert.ok(isNaN(buffer.readFloatBE(0))); - assert.equal(3.4028234663852886e+38, buffer.readFloatLE(0)); - - buffer[0] = 0xab; - buffer[1] = 0xaa; - buffer[2] = 0xaa; - buffer[3] = 0x3e; - assert.equal(-1.2126478207002966e-12, buffer.readFloatBE(0)); - assert.equal(0.3333333432674408, buffer.readFloatLE(0)); - - buffer[0] = 0; - buffer[1] = 0; - buffer[2] = 0; - buffer[3] = 0; - assert.equal(0, buffer.readFloatBE(0)); - assert.equal(0, buffer.readFloatLE(0)); - assert.equal(false, 1 / buffer.readFloatLE(0) < 0); - - buffer[3] = 0x80; - assert.equal(1.793662034335766e-43, buffer.readFloatBE(0)); - assert.equal(0, buffer.readFloatLE(0)); - assert.equal(true, 1 / buffer.readFloatLE(0) < 0); - - buffer[0] = 0; - buffer[1] = 0; - buffer[2] = 0x80; - buffer[3] = 0x7f; - assert.equal(4.609571298396486e-41, buffer.readFloatBE(0)); - assert.equal(Infinity, buffer.readFloatLE(0)); - - buffer[0] = 0; - buffer[1] = 0; - buffer[2] = 0x80; - buffer[3] = 0xff; - assert.equal(4.627507918739843e-41, buffer.readFloatBE(0)); - assert.equal(-Infinity, buffer.readFloatLE(0)); -}); - - -exports.testReadInt8 = helper('readInt8', function (assert) { - var data = new Buffer(4); - - data[0] = 0x23; - assert.equal(0x23, data.readInt8(0)); - - data[0] = 0xff; - assert.equal(-1, data.readInt8(0)); - - data[0] = 0x87; - data[1] = 0xab; - data[2] = 0x7c; - data[3] = 0xef; - assert.equal(-121, data.readInt8(0)); - assert.equal(-85, data.readInt8(1)); - assert.equal(124, data.readInt8(2)); - assert.equal(-17, data.readInt8(3)); -}); - - -exports.testReadInt16 = helper('readInt16BE/readInt16LE', function (assert) { - var buffer = new Buffer(6); - - buffer[0] = 0x16; - buffer[1] = 0x79; - assert.equal(0x1679, buffer.readInt16BE(0)); - assert.equal(0x7916, buffer.readInt16LE(0)); - - buffer[0] = 0xff; - buffer[1] = 0x80; - assert.equal(-128, buffer.readInt16BE(0)); - assert.equal(-32513, buffer.readInt16LE(0)); - - /* test offset with weenix */ - buffer[0] = 0x77; - buffer[1] = 0x65; - buffer[2] = 0x65; - buffer[3] = 0x6e; - buffer[4] = 0x69; - buffer[5] = 0x78; - assert.equal(0x7765, buffer.readInt16BE(0)); - assert.equal(0x6565, buffer.readInt16BE(1)); - assert.equal(0x656e, buffer.readInt16BE(2)); - assert.equal(0x6e69, buffer.readInt16BE(3)); - assert.equal(0x6978, buffer.readInt16BE(4)); - assert.equal(0x6577, buffer.readInt16LE(0)); - assert.equal(0x6565, buffer.readInt16LE(1)); - assert.equal(0x6e65, buffer.readInt16LE(2)); - assert.equal(0x696e, buffer.readInt16LE(3)); - assert.equal(0x7869, buffer.readInt16LE(4)); -}); - - -exports.testReadInt32 = helper('readInt32BE/readInt32LE', function (assert) { - var buffer = new Buffer(6); - - buffer[0] = 0x43; - buffer[1] = 0x53; - buffer[2] = 0x16; - buffer[3] = 0x79; - assert.equal(0x43531679, buffer.readInt32BE(0)); - assert.equal(0x79165343, buffer.readInt32LE(0)); - - buffer[0] = 0xff; - buffer[1] = 0xfe; - buffer[2] = 0xef; - buffer[3] = 0xfa; - assert.equal(-69638, buffer.readInt32BE(0)); - assert.equal(-84934913, buffer.readInt32LE(0)); - - buffer[0] = 0x42; - buffer[1] = 0xc3; - buffer[2] = 0x95; - buffer[3] = 0xa9; - buffer[4] = 0x36; - buffer[5] = 0x17; - assert.equal(0x42c395a9, buffer.readInt32BE(0)); - assert.equal(-1013601994, buffer.readInt32BE(1)); - assert.equal(-1784072681, buffer.readInt32BE(2)); - assert.equal(-1449802942, buffer.readInt32LE(0)); - assert.equal(917083587, buffer.readInt32LE(1)); - assert.equal(389458325, buffer.readInt32LE(2)); -}); - - -/* - * We need to check the following things: - * - We are correctly resolving big endian (doesn't mean anything for 8 bit) - * - Correctly resolving little endian (doesn't mean anything for 8 bit) - * - Correctly using the offsets - * - Correctly interpreting values that are beyond the signed range as unsigned - */ -exports.testReadUInt8 = helper('readUInt8', function (assert) { - var data = new Buffer(4); - - data[0] = 23; - data[1] = 23; - data[2] = 23; - data[3] = 23; - assert.equal(23, data.readUInt8(0)); - assert.equal(23, data.readUInt8(1)); - assert.equal(23, data.readUInt8(2)); - assert.equal(23, data.readUInt8(3)); - - data[0] = 255; /* If it became a signed int, would be -1 */ - assert.equal(255, data.readUInt8(0)); -}); - - -/* - * Test 16 bit unsigned integers. We need to verify the same set as 8 bit, only - * now some of the issues actually matter: - * - We are correctly resolving big endian - * - Correctly resolving little endian - * - Correctly using the offsets - * - Correctly interpreting values that are beyond the signed range as unsigned - */ -exports.testReadUInt16 = helper('readUInt16LE/readUInt16BE', function (assert) { - var data = new Buffer(4); - - data[0] = 0; - data[1] = 0x23; - data[2] = 0x42; - data[3] = 0x3f; - assert.equal(0x23, data.readUInt16BE(0)); - assert.equal(0x2342, data.readUInt16BE(1)); - assert.equal(0x423f, data.readUInt16BE(2)); - assert.equal(0x2300, data.readUInt16LE(0)); - assert.equal(0x4223, data.readUInt16LE(1)); - assert.equal(0x3f42, data.readUInt16LE(2)); - - data[0] = 0xfe; - data[1] = 0xfe; - assert.equal(0xfefe, data.readUInt16BE(0)); - assert.equal(0xfefe, data.readUInt16LE(0)); -}); - - -/* - * Test 32 bit unsigned integers. We need to verify the same set as 8 bit, only - * now some of the issues actually matter: - * - We are correctly resolving big endian - * - Correctly using the offsets - * - Correctly interpreting values that are beyond the signed range as unsigned - */ -exports.testReadUInt32 = helper('readUInt32LE/readUInt32BE', function (assert) { - var data = new Buffer(8); - - data[0] = 0x32; - data[1] = 0x65; - data[2] = 0x42; - data[3] = 0x56; - data[4] = 0x23; - data[5] = 0xff; - assert.equal(0x32654256, data.readUInt32BE(0)); - assert.equal(0x65425623, data.readUInt32BE(1)); - assert.equal(0x425623ff, data.readUInt32BE(2)); - assert.equal(0x56426532, data.readUInt32LE(0)); - assert.equal(0x23564265, data.readUInt32LE(1)); - assert.equal(0xff235642, data.readUInt32LE(2)); -}); - -function helper (description, fn) { - let bulkAssert = { - equal: function (a, b) { - if (a !== b) throw new Error('Error found in ' + description); - }, - ok: function (value) { - if (!value) throw new Error('Error found in ' + description); - }, - throws: function (shouldThrow) { - let didItThrow = false; - try { - shouldThrow(); - } catch (e) { - didItThrow = e; - } - if (!didItThrow) - throw new Error('Error found in ' + description + ': ' + shouldThrow + ' should have thrown'); - } - }; - return function (assert) { - fn(bulkAssert); - // If we get here, no errors thrown - assert.pass('All tests passed for ' + description); - }; -} diff --git a/addon-sdk/source/test/buffers/test-write-types.js b/addon-sdk/source/test/buffers/test-write-types.js deleted file mode 100644 index f7872aaaa..000000000 --- a/addon-sdk/source/test/buffers/test-write-types.js +++ /dev/null @@ -1,602 +0,0 @@ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. - -const { Buffer } = require('sdk/io/buffer'); - -exports.testWriteDouble = helper('writeDoubleBE/writeDoubleLE', function (assert) { - var buffer = new Buffer(16); - - buffer.writeDoubleBE(2.225073858507201e-308, 0); - buffer.writeDoubleLE(2.225073858507201e-308, 8); - assert.equal(0x00, buffer[0]); - assert.equal(0x0f, buffer[1]); - assert.equal(0xff, buffer[2]); - assert.equal(0xff, buffer[3]); - assert.equal(0xff, buffer[4]); - assert.equal(0xff, buffer[5]); - assert.equal(0xff, buffer[6]); - assert.equal(0xff, buffer[7]); - assert.equal(0xff, buffer[8]); - assert.equal(0xff, buffer[9]); - assert.equal(0xff, buffer[10]); - assert.equal(0xff, buffer[11]); - assert.equal(0xff, buffer[12]); - assert.equal(0xff, buffer[13]); - assert.equal(0x0f, buffer[14]); - assert.equal(0x00, buffer[15]); - - buffer.writeDoubleBE(1.0000000000000004, 0); - buffer.writeDoubleLE(1.0000000000000004, 8); - assert.equal(0x3f, buffer[0]); - assert.equal(0xf0, buffer[1]); - assert.equal(0x00, buffer[2]); - assert.equal(0x00, buffer[3]); - assert.equal(0x00, buffer[4]); - assert.equal(0x00, buffer[5]); - assert.equal(0x00, buffer[6]); - assert.equal(0x02, buffer[7]); - assert.equal(0x02, buffer[8]); - assert.equal(0x00, buffer[9]); - assert.equal(0x00, buffer[10]); - assert.equal(0x00, buffer[11]); - assert.equal(0x00, buffer[12]); - assert.equal(0x00, buffer[13]); - assert.equal(0xf0, buffer[14]); - assert.equal(0x3f, buffer[15]); - - buffer.writeDoubleBE(-2, 0); - buffer.writeDoubleLE(-2, 8); - assert.equal(0xc0, buffer[0]); - assert.equal(0x00, buffer[1]); - assert.equal(0x00, buffer[2]); - assert.equal(0x00, buffer[3]); - assert.equal(0x00, buffer[4]); - assert.equal(0x00, buffer[5]); - assert.equal(0x00, buffer[6]); - assert.equal(0x00, buffer[7]); - assert.equal(0x00, buffer[8]); - assert.equal(0x00, buffer[9]); - assert.equal(0x00, buffer[10]); - assert.equal(0x00, buffer[11]); - assert.equal(0x00, buffer[12]); - assert.equal(0x00, buffer[13]); - assert.equal(0x00, buffer[14]); - assert.equal(0xc0, buffer[15]); - - buffer.writeDoubleBE(1.7976931348623157e+308, 0); - buffer.writeDoubleLE(1.7976931348623157e+308, 8); - assert.equal(0x7f, buffer[0]); - assert.equal(0xef, buffer[1]); - assert.equal(0xff, buffer[2]); - assert.equal(0xff, buffer[3]); - assert.equal(0xff, buffer[4]); - assert.equal(0xff, buffer[5]); - assert.equal(0xff, buffer[6]); - assert.equal(0xff, buffer[7]); - assert.equal(0xff, buffer[8]); - assert.equal(0xff, buffer[9]); - assert.equal(0xff, buffer[10]); - assert.equal(0xff, buffer[11]); - assert.equal(0xff, buffer[12]); - assert.equal(0xff, buffer[13]); - assert.equal(0xef, buffer[14]); - assert.equal(0x7f, buffer[15]); - - buffer.writeDoubleBE(0 * -1, 0); - buffer.writeDoubleLE(0 * -1, 8); - assert.equal(0x80, buffer[0]); - assert.equal(0x00, buffer[1]); - assert.equal(0x00, buffer[2]); - assert.equal(0x00, buffer[3]); - assert.equal(0x00, buffer[4]); - assert.equal(0x00, buffer[5]); - assert.equal(0x00, buffer[6]); - assert.equal(0x00, buffer[7]); - assert.equal(0x00, buffer[8]); - assert.equal(0x00, buffer[9]); - assert.equal(0x00, buffer[10]); - assert.equal(0x00, buffer[11]); - assert.equal(0x00, buffer[12]); - assert.equal(0x00, buffer[13]); - assert.equal(0x00, buffer[14]); - assert.equal(0x80, buffer[15]); - - buffer.writeDoubleBE(Infinity, 0); - buffer.writeDoubleLE(Infinity, 8); - assert.equal(0x7F, buffer[0]); - assert.equal(0xF0, buffer[1]); - assert.equal(0x00, buffer[2]); - assert.equal(0x00, buffer[3]); - assert.equal(0x00, buffer[4]); - assert.equal(0x00, buffer[5]); - assert.equal(0x00, buffer[6]); - assert.equal(0x00, buffer[7]); - assert.equal(0x00, buffer[8]); - assert.equal(0x00, buffer[9]); - assert.equal(0x00, buffer[10]); - assert.equal(0x00, buffer[11]); - assert.equal(0x00, buffer[12]); - assert.equal(0x00, buffer[13]); - assert.equal(0xF0, buffer[14]); - assert.equal(0x7F, buffer[15]); - assert.equal(Infinity, buffer.readDoubleBE(0)); - assert.equal(Infinity, buffer.readDoubleLE(8)); - - buffer.writeDoubleBE(-Infinity, 0); - buffer.writeDoubleLE(-Infinity, 8); - assert.equal(0xFF, buffer[0]); - assert.equal(0xF0, buffer[1]); - assert.equal(0x00, buffer[2]); - assert.equal(0x00, buffer[3]); - assert.equal(0x00, buffer[4]); - assert.equal(0x00, buffer[5]); - assert.equal(0x00, buffer[6]); - assert.equal(0x00, buffer[7]); - assert.equal(0x00, buffer[8]); - assert.equal(0x00, buffer[9]); - assert.equal(0x00, buffer[10]); - assert.equal(0x00, buffer[11]); - assert.equal(0x00, buffer[12]); - assert.equal(0x00, buffer[13]); - assert.equal(0xF0, buffer[14]); - assert.equal(0xFF, buffer[15]); - assert.equal(-Infinity, buffer.readDoubleBE(0)); - assert.equal(-Infinity, buffer.readDoubleLE(8)); - - buffer.writeDoubleBE(NaN, 0); - buffer.writeDoubleLE(NaN, 8); - // Darwin ia32 does the other kind of NaN. - // Compiler bug. No one really cares. - assert.ok(0x7F === buffer[0] || 0xFF === buffer[0]); - assert.equal(0xF8, buffer[1]); - assert.equal(0x00, buffer[2]); - assert.equal(0x00, buffer[3]); - assert.equal(0x00, buffer[4]); - assert.equal(0x00, buffer[5]); - assert.equal(0x00, buffer[6]); - assert.equal(0x00, buffer[7]); - assert.equal(0x00, buffer[8]); - assert.equal(0x00, buffer[9]); - assert.equal(0x00, buffer[10]); - assert.equal(0x00, buffer[11]); - assert.equal(0x00, buffer[12]); - assert.equal(0x00, buffer[13]); - assert.equal(0xF8, buffer[14]); - // Darwin ia32 does the other kind of NaN. - // Compiler bug. No one really cares. - assert.ok(0x7F === buffer[15] || 0xFF === buffer[15]); - assert.ok(isNaN(buffer.readDoubleBE(0))); - assert.ok(isNaN(buffer.readDoubleLE(8))); -}); - -exports.testWriteFloat = helper('writeFloatBE/writeFloatLE', function (assert) { - var buffer = new Buffer(8); - - buffer.writeFloatBE(1, 0); - buffer.writeFloatLE(1, 4); - assert.equal(0x3f, buffer[0]); - assert.equal(0x80, buffer[1]); - assert.equal(0x00, buffer[2]); - assert.equal(0x00, buffer[3]); - assert.equal(0x00, buffer[4]); - assert.equal(0x00, buffer[5]); - assert.equal(0x80, buffer[6]); - assert.equal(0x3f, buffer[7]); - - buffer.writeFloatBE(1 / 3, 0); - buffer.writeFloatLE(1 / 3, 4); - assert.equal(0x3e, buffer[0]); - assert.equal(0xaa, buffer[1]); - assert.equal(0xaa, buffer[2]); - assert.equal(0xab, buffer[3]); - assert.equal(0xab, buffer[4]); - assert.equal(0xaa, buffer[5]); - assert.equal(0xaa, buffer[6]); - assert.equal(0x3e, buffer[7]); - - buffer.writeFloatBE(3.4028234663852886e+38, 0); - buffer.writeFloatLE(3.4028234663852886e+38, 4); - assert.equal(0x7f, buffer[0]); - assert.equal(0x7f, buffer[1]); - assert.equal(0xff, buffer[2]); - assert.equal(0xff, buffer[3]); - assert.equal(0xff, buffer[4]); - assert.equal(0xff, buffer[5]); - assert.equal(0x7f, buffer[6]); - assert.equal(0x7f, buffer[7]); - - buffer.writeFloatLE(1.1754943508222875e-38, 0); - buffer.writeFloatBE(1.1754943508222875e-38, 4); - assert.equal(0x00, buffer[0]); - assert.equal(0x00, buffer[1]); - assert.equal(0x80, buffer[2]); - assert.equal(0x00, buffer[3]); - assert.equal(0x00, buffer[4]); - assert.equal(0x80, buffer[5]); - assert.equal(0x00, buffer[6]); - assert.equal(0x00, buffer[7]); - - buffer.writeFloatBE(0 * -1, 0); - buffer.writeFloatLE(0 * -1, 4); - assert.equal(0x80, buffer[0]); - assert.equal(0x00, buffer[1]); - assert.equal(0x00, buffer[2]); - assert.equal(0x00, buffer[3]); - assert.equal(0x00, buffer[4]); - assert.equal(0x00, buffer[5]); - assert.equal(0x00, buffer[6]); - assert.equal(0x80, buffer[7]); - - buffer.writeFloatBE(Infinity, 0); - buffer.writeFloatLE(Infinity, 4); - assert.equal(0x7F, buffer[0]); - assert.equal(0x80, buffer[1]); - assert.equal(0x00, buffer[2]); - assert.equal(0x00, buffer[3]); - assert.equal(0x00, buffer[4]); - assert.equal(0x00, buffer[5]); - assert.equal(0x80, buffer[6]); - assert.equal(0x7F, buffer[7]); - assert.equal(Infinity, buffer.readFloatBE(0)); - assert.equal(Infinity, buffer.readFloatLE(4)); - - buffer.writeFloatBE(-Infinity, 0); - buffer.writeFloatLE(-Infinity, 4); - // Darwin ia32 does the other kind of NaN. - // Compiler bug. No one really cares. - assert.ok(0xFF === buffer[0] || 0x7F === buffer[0]); - assert.equal(0x80, buffer[1]); - assert.equal(0x00, buffer[2]); - assert.equal(0x00, buffer[3]); - assert.equal(0x00, buffer[4]); - assert.equal(0x00, buffer[5]); - assert.equal(0x80, buffer[6]); - assert.equal(0xFF, buffer[7]); - assert.equal(-Infinity, buffer.readFloatBE(0)); - assert.equal(-Infinity, buffer.readFloatLE(4)); - - buffer.writeFloatBE(NaN, 0); - buffer.writeFloatLE(NaN, 4); - // Darwin ia32 does the other kind of NaN. - // Compiler bug. No one really cares. - assert.ok(0x7F === buffer[0] || 0xFF === buffer[0]); - assert.equal(0xc0, buffer[1]); - assert.equal(0x00, buffer[2]); - assert.equal(0x00, buffer[3]); - assert.equal(0x00, buffer[4]); - assert.equal(0x00, buffer[5]); - assert.equal(0xc0, buffer[6]); - // Darwin ia32 does the other kind of NaN. - // Compiler bug. No one really cares. - assert.ok(0x7F === buffer[7] || 0xFF === buffer[7]); - assert.ok(isNaN(buffer.readFloatBE(0))); - assert.ok(isNaN(buffer.readFloatLE(4))); -}); - - -exports.testWriteInt8 = helper('writeInt8', function (assert) { - var buffer = new Buffer(2); - - buffer.writeInt8(0x23, 0); - buffer.writeInt8(-5, 1); - - assert.equal(0x23, buffer[0]); - assert.equal(0xfb, buffer[1]); - - /* Make sure we handle truncation correctly */ - assert.throws(function() { - buffer.writeInt8(0xabc, 0); - }); - assert.throws(function() { - buffer.writeInt8(0xabc, 0); - }); - - /* Make sure we handle min/max correctly */ - buffer.writeInt8(0x7f, 0); - buffer.writeInt8(-0x80, 1); - - assert.equal(0x7f, buffer[0]); - assert.equal(0x80, buffer[1]); - assert.throws(function() { - buffer.writeInt8(0x7f + 1, 0); - }); - assert.throws(function() { - buffer.writeInt8(-0x80 - 1, 0); - }); -}); - - -exports.testWriteInt16 = helper('writeInt16LE/writeInt16BE', function (assert) { - var buffer = new Buffer(6); - - buffer.writeInt16BE(0x0023, 0); - buffer.writeInt16LE(0x0023, 2); - assert.equal(0x00, buffer[0]); - assert.equal(0x23, buffer[1]); - assert.equal(0x23, buffer[2]); - assert.equal(0x00, buffer[3]); - - buffer.writeInt16BE(-5, 0); - buffer.writeInt16LE(-5, 2); - assert.equal(0xff, buffer[0]); - assert.equal(0xfb, buffer[1]); - assert.equal(0xfb, buffer[2]); - assert.equal(0xff, buffer[3]); - - buffer.writeInt16BE(-1679, 1); - buffer.writeInt16LE(-1679, 3); - assert.equal(0xf9, buffer[1]); - assert.equal(0x71, buffer[2]); - assert.equal(0x71, buffer[3]); - assert.equal(0xf9, buffer[4]); - - /* Make sure we handle min/max correctly */ - buffer.writeInt16BE(0x7fff, 0); - buffer.writeInt16BE(-0x8000, 2); - assert.equal(0x7f, buffer[0]); - assert.equal(0xff, buffer[1]); - assert.equal(0x80, buffer[2]); - assert.equal(0x00, buffer[3]); - assert.throws(function() { - buffer.writeInt16BE(0x7fff + 1, 0); - }); - assert.throws(function() { - buffer.writeInt16BE(-0x8000 - 1, 0); - }); - - buffer.writeInt16LE(0x7fff, 0); - buffer.writeInt16LE(-0x8000, 2); - assert.equal(0xff, buffer[0]); - assert.equal(0x7f, buffer[1]); - assert.equal(0x00, buffer[2]); - assert.equal(0x80, buffer[3]); - assert.throws(function() { - buffer.writeInt16LE(0x7fff + 1, 0); - }); - assert.throws(function() { - buffer.writeInt16LE(-0x8000 - 1, 0); - }); -}); - -exports.testWriteInt32 = helper('writeInt32BE/writeInt32LE', function (assert) { - var buffer = new Buffer(8); - - buffer.writeInt32BE(0x23, 0); - buffer.writeInt32LE(0x23, 4); - assert.equal(0x00, buffer[0]); - assert.equal(0x00, buffer[1]); - assert.equal(0x00, buffer[2]); - assert.equal(0x23, buffer[3]); - assert.equal(0x23, buffer[4]); - assert.equal(0x00, buffer[5]); - assert.equal(0x00, buffer[6]); - assert.equal(0x00, buffer[7]); - - buffer.writeInt32BE(-5, 0); - buffer.writeInt32LE(-5, 4); - assert.equal(0xff, buffer[0]); - assert.equal(0xff, buffer[1]); - assert.equal(0xff, buffer[2]); - assert.equal(0xfb, buffer[3]); - assert.equal(0xfb, buffer[4]); - assert.equal(0xff, buffer[5]); - assert.equal(0xff, buffer[6]); - assert.equal(0xff, buffer[7]); - - buffer.writeInt32BE(-805306713, 0); - buffer.writeInt32LE(-805306713, 4); - assert.equal(0xcf, buffer[0]); - assert.equal(0xff, buffer[1]); - assert.equal(0xfe, buffer[2]); - assert.equal(0xa7, buffer[3]); - assert.equal(0xa7, buffer[4]); - assert.equal(0xfe, buffer[5]); - assert.equal(0xff, buffer[6]); - assert.equal(0xcf, buffer[7]); - - /* Make sure we handle min/max correctly */ - buffer.writeInt32BE(0x7fffffff, 0); - buffer.writeInt32BE(-0x80000000, 4); - assert.equal(0x7f, buffer[0]); - assert.equal(0xff, buffer[1]); - assert.equal(0xff, buffer[2]); - assert.equal(0xff, buffer[3]); - assert.equal(0x80, buffer[4]); - assert.equal(0x00, buffer[5]); - assert.equal(0x00, buffer[6]); - assert.equal(0x00, buffer[7]); - assert.throws(function() { - buffer.writeInt32BE(0x7fffffff + 1, 0); - }); - assert.throws(function() { - buffer.writeInt32BE(-0x80000000 - 1, 0); - }); - - buffer.writeInt32LE(0x7fffffff, 0); - buffer.writeInt32LE(-0x80000000, 4); - assert.equal(0xff, buffer[0]); - assert.equal(0xff, buffer[1]); - assert.equal(0xff, buffer[2]); - assert.equal(0x7f, buffer[3]); - assert.equal(0x00, buffer[4]); - assert.equal(0x00, buffer[5]); - assert.equal(0x00, buffer[6]); - assert.equal(0x80, buffer[7]); - assert.throws(function() { - buffer.writeInt32LE(0x7fffffff + 1, 0); - }); - assert.throws(function() { - buffer.writeInt32LE(-0x80000000 - 1, 0); - }); -}); - -/* - * We need to check the following things: - * - We are correctly resolving big endian (doesn't mean anything for 8 bit) - * - Correctly resolving little endian (doesn't mean anything for 8 bit) - * - Correctly using the offsets - * - Correctly interpreting values that are beyond the signed range as unsigned - */ -exports.testWriteUInt8 = helper('writeUInt8', function (assert) { - var data = new Buffer(4); - - data.writeUInt8(23, 0); - data.writeUInt8(23, 1); - data.writeUInt8(23, 2); - data.writeUInt8(23, 3); - assert.equal(23, data[0]); - assert.equal(23, data[1]); - assert.equal(23, data[2]); - assert.equal(23, data[3]); - - data.writeUInt8(23, 0); - data.writeUInt8(23, 1); - data.writeUInt8(23, 2); - data.writeUInt8(23, 3); - assert.equal(23, data[0]); - assert.equal(23, data[1]); - assert.equal(23, data[2]); - assert.equal(23, data[3]); - - data.writeUInt8(255, 0); - assert.equal(255, data[0]); - - data.writeUInt8(255, 0); - assert.equal(255, data[0]); -}); - - -exports.testWriteUInt16 = helper('writeUInt16BE/writeUInt16LE', function (assert) { - var value = 0x2343; - var data = new Buffer(4); - - data.writeUInt16BE(value, 0); - assert.equal(0x23, data[0]); - assert.equal(0x43, data[1]); - - data.writeUInt16BE(value, 1); - assert.equal(0x23, data[1]); - assert.equal(0x43, data[2]); - - data.writeUInt16BE(value, 2); - assert.equal(0x23, data[2]); - assert.equal(0x43, data[3]); - - data.writeUInt16LE(value, 0); - assert.equal(0x23, data[1]); - assert.equal(0x43, data[0]); - - data.writeUInt16LE(value, 1); - assert.equal(0x23, data[2]); - assert.equal(0x43, data[1]); - - data.writeUInt16LE(value, 2); - assert.equal(0x23, data[3]); - assert.equal(0x43, data[2]); - - value = 0xff80; - data.writeUInt16LE(value, 0); - assert.equal(0xff, data[1]); - assert.equal(0x80, data[0]); - - data.writeUInt16BE(value, 0); - assert.equal(0xff, data[0]); - assert.equal(0x80, data[1]); -}); - - -exports.testWriteUInt32 = helper('writeUInt32BE/writeUInt32LE', function (assert) { - var data = new Buffer(6); - var value = 0xe7f90a6d; - - data.writeUInt32BE(value, 0); - assert.equal(0xe7, data[0]); - assert.equal(0xf9, data[1]); - assert.equal(0x0a, data[2]); - assert.equal(0x6d, data[3]); - - data.writeUInt32BE(value, 1); - assert.equal(0xe7, data[1]); - assert.equal(0xf9, data[2]); - assert.equal(0x0a, data[3]); - assert.equal(0x6d, data[4]); - - data.writeUInt32BE(value, 2); - assert.equal(0xe7, data[2]); - assert.equal(0xf9, data[3]); - assert.equal(0x0a, data[4]); - assert.equal(0x6d, data[5]); - - data.writeUInt32LE(value, 0); - assert.equal(0xe7, data[3]); - assert.equal(0xf9, data[2]); - assert.equal(0x0a, data[1]); - assert.equal(0x6d, data[0]); - - data.writeUInt32LE(value, 1); - assert.equal(0xe7, data[4]); - assert.equal(0xf9, data[3]); - assert.equal(0x0a, data[2]); - assert.equal(0x6d, data[1]); - - data.writeUInt32LE(value, 2); - assert.equal(0xe7, data[5]); - assert.equal(0xf9, data[4]); - assert.equal(0x0a, data[3]); - assert.equal(0x6d, data[2]); -}); - -function helper (description, fn) { - return function (assert) { - let bulkAssert = { - equal: function (a, b) { - if (a !== b) throw new Error('Error found in ' + description); - }, - ok: function (value) { - if (!value) throw new Error('Error found in ' + description); - }, - /* - * TODO - * There should be errors when setting outside of the value range - * of the data type (like writeInt8 with value of 1000), but DataView - * does not throw; seems to just grab the appropriate max bits. - * So ignoring this test for now - */ - throws: function (shouldThrow) { - assert.pass(description + ': Need to implement error handling for setting buffer values ' + - 'outside of the data types\' range.'); - /* - let didItThrow = false; - try { - shouldThrow(); - } catch (e) { - didItThrow = e; - } - if (!didItThrow) - throw new Error('Error found in ' + description + ': ' + shouldThrow + ' should have thrown'); - */ - } - }; - fn(bulkAssert); - // If we get here, no errors thrown - assert.pass('All tests passed for ' + description); - }; -} |