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-rw-r--r--addon-sdk/source/test/buffers/test-read-types.js368
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diff --git a/addon-sdk/source/test/buffers/test-read-types.js b/addon-sdk/source/test/buffers/test-read-types.js
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@@ -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);
- };
-}