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f29762f4dd
Enable linting for the test directory. A number of changes was made so all tests conform the current rules used by lib and src directories. The only exception for tests is that unreachable (dead) code is allowed. test-fs-non-number-arguments-throw had to be excluded from the changes because of a weird issue on Windows CI. PR-URL: https://github.com/nodejs/io.js/pull/1721 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
177 lines
5.8 KiB
JavaScript
177 lines
5.8 KiB
JavaScript
'use strict';
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/*
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* Tests to verify we're writing doubles correctly
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*/
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var common = require('../common');
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var ASSERT = require('assert');
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function test(clazz) {
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var buffer = new clazz(16);
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buffer.writeDoubleBE(2.225073858507201e-308, 0);
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buffer.writeDoubleLE(2.225073858507201e-308, 8);
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ASSERT.equal(0x00, buffer[0]);
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ASSERT.equal(0x0f, buffer[1]);
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ASSERT.equal(0xff, buffer[2]);
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ASSERT.equal(0xff, buffer[3]);
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ASSERT.equal(0xff, buffer[4]);
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ASSERT.equal(0xff, buffer[5]);
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ASSERT.equal(0xff, buffer[6]);
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ASSERT.equal(0xff, buffer[7]);
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ASSERT.equal(0xff, buffer[8]);
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ASSERT.equal(0xff, buffer[9]);
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ASSERT.equal(0xff, buffer[10]);
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ASSERT.equal(0xff, buffer[11]);
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ASSERT.equal(0xff, buffer[12]);
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ASSERT.equal(0xff, buffer[13]);
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ASSERT.equal(0x0f, buffer[14]);
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ASSERT.equal(0x00, buffer[15]);
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buffer.writeDoubleBE(1.0000000000000004, 0);
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buffer.writeDoubleLE(1.0000000000000004, 8);
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ASSERT.equal(0x3f, buffer[0]);
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ASSERT.equal(0xf0, buffer[1]);
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ASSERT.equal(0x00, buffer[2]);
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ASSERT.equal(0x00, buffer[3]);
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ASSERT.equal(0x00, buffer[4]);
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ASSERT.equal(0x00, buffer[5]);
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ASSERT.equal(0x00, buffer[6]);
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ASSERT.equal(0x02, buffer[7]);
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ASSERT.equal(0x02, buffer[8]);
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ASSERT.equal(0x00, buffer[9]);
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ASSERT.equal(0x00, buffer[10]);
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ASSERT.equal(0x00, buffer[11]);
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ASSERT.equal(0x00, buffer[12]);
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ASSERT.equal(0x00, buffer[13]);
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ASSERT.equal(0xf0, buffer[14]);
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ASSERT.equal(0x3f, buffer[15]);
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buffer.writeDoubleBE(-2, 0);
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buffer.writeDoubleLE(-2, 8);
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ASSERT.equal(0xc0, buffer[0]);
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ASSERT.equal(0x00, buffer[1]);
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ASSERT.equal(0x00, buffer[2]);
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ASSERT.equal(0x00, buffer[3]);
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ASSERT.equal(0x00, buffer[4]);
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ASSERT.equal(0x00, buffer[5]);
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ASSERT.equal(0x00, buffer[6]);
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ASSERT.equal(0x00, buffer[7]);
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ASSERT.equal(0x00, buffer[8]);
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ASSERT.equal(0x00, buffer[9]);
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ASSERT.equal(0x00, buffer[10]);
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ASSERT.equal(0x00, buffer[11]);
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ASSERT.equal(0x00, buffer[12]);
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ASSERT.equal(0x00, buffer[13]);
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ASSERT.equal(0x00, buffer[14]);
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ASSERT.equal(0xc0, buffer[15]);
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buffer.writeDoubleBE(1.7976931348623157e+308, 0);
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buffer.writeDoubleLE(1.7976931348623157e+308, 8);
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ASSERT.equal(0x7f, buffer[0]);
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ASSERT.equal(0xef, buffer[1]);
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ASSERT.equal(0xff, buffer[2]);
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ASSERT.equal(0xff, buffer[3]);
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ASSERT.equal(0xff, buffer[4]);
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ASSERT.equal(0xff, buffer[5]);
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ASSERT.equal(0xff, buffer[6]);
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ASSERT.equal(0xff, buffer[7]);
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ASSERT.equal(0xff, buffer[8]);
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ASSERT.equal(0xff, buffer[9]);
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ASSERT.equal(0xff, buffer[10]);
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ASSERT.equal(0xff, buffer[11]);
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ASSERT.equal(0xff, buffer[12]);
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ASSERT.equal(0xff, buffer[13]);
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ASSERT.equal(0xef, buffer[14]);
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ASSERT.equal(0x7f, buffer[15]);
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buffer.writeDoubleBE(0 * -1, 0);
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buffer.writeDoubleLE(0 * -1, 8);
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ASSERT.equal(0x80, buffer[0]);
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ASSERT.equal(0x00, buffer[1]);
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ASSERT.equal(0x00, buffer[2]);
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ASSERT.equal(0x00, buffer[3]);
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ASSERT.equal(0x00, buffer[4]);
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ASSERT.equal(0x00, buffer[5]);
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ASSERT.equal(0x00, buffer[6]);
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ASSERT.equal(0x00, buffer[7]);
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ASSERT.equal(0x00, buffer[8]);
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ASSERT.equal(0x00, buffer[9]);
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ASSERT.equal(0x00, buffer[10]);
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ASSERT.equal(0x00, buffer[11]);
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ASSERT.equal(0x00, buffer[12]);
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ASSERT.equal(0x00, buffer[13]);
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ASSERT.equal(0x00, buffer[14]);
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ASSERT.equal(0x80, buffer[15]);
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buffer.writeDoubleBE(Infinity, 0);
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buffer.writeDoubleLE(Infinity, 8);
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ASSERT.equal(0x7F, buffer[0]);
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ASSERT.equal(0xF0, buffer[1]);
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ASSERT.equal(0x00, buffer[2]);
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ASSERT.equal(0x00, buffer[3]);
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ASSERT.equal(0x00, buffer[4]);
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ASSERT.equal(0x00, buffer[5]);
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ASSERT.equal(0x00, buffer[6]);
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ASSERT.equal(0x00, buffer[7]);
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ASSERT.equal(0x00, buffer[8]);
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ASSERT.equal(0x00, buffer[9]);
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ASSERT.equal(0x00, buffer[10]);
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ASSERT.equal(0x00, buffer[11]);
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ASSERT.equal(0x00, buffer[12]);
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ASSERT.equal(0x00, buffer[13]);
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ASSERT.equal(0xF0, buffer[14]);
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ASSERT.equal(0x7F, buffer[15]);
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ASSERT.equal(Infinity, buffer.readDoubleBE(0));
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ASSERT.equal(Infinity, buffer.readDoubleLE(8));
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buffer.writeDoubleBE(-Infinity, 0);
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buffer.writeDoubleLE(-Infinity, 8);
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ASSERT.equal(0xFF, buffer[0]);
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ASSERT.equal(0xF0, buffer[1]);
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ASSERT.equal(0x00, buffer[2]);
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ASSERT.equal(0x00, buffer[3]);
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ASSERT.equal(0x00, buffer[4]);
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ASSERT.equal(0x00, buffer[5]);
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ASSERT.equal(0x00, buffer[6]);
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ASSERT.equal(0x00, buffer[7]);
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ASSERT.equal(0x00, buffer[8]);
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ASSERT.equal(0x00, buffer[9]);
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ASSERT.equal(0x00, buffer[10]);
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ASSERT.equal(0x00, buffer[11]);
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ASSERT.equal(0x00, buffer[12]);
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ASSERT.equal(0x00, buffer[13]);
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ASSERT.equal(0xF0, buffer[14]);
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ASSERT.equal(0xFF, buffer[15]);
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ASSERT.equal(-Infinity, buffer.readDoubleBE(0));
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ASSERT.equal(-Infinity, buffer.readDoubleLE(8));
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buffer.writeDoubleBE(NaN, 0);
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buffer.writeDoubleLE(NaN, 8);
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// Darwin ia32 does the other kind of NaN.
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// Compiler bug. No one really cares.
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ASSERT(0x7F === buffer[0] || 0xFF === buffer[0]);
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// mips processors use a slightly different NaN
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ASSERT(0xF8 === buffer[1] || 0xF7 === buffer[1]);
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ASSERT(0x00 === buffer[2] || 0xFF === buffer[2]);
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ASSERT(0x00 === buffer[3] || 0xFF === buffer[3]);
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ASSERT(0x00 === buffer[4] || 0xFF === buffer[4]);
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ASSERT(0x00 === buffer[5] || 0xFF === buffer[5]);
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ASSERT(0x00 === buffer[6] || 0xFF === buffer[6]);
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ASSERT(0x00 === buffer[7] || 0xFF === buffer[7]);
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ASSERT(0x00 === buffer[8] || 0xFF === buffer[8]);
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ASSERT(0x00 === buffer[9] || 0xFF === buffer[9]);
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ASSERT(0x00 === buffer[10] || 0xFF === buffer[10]);
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ASSERT(0x00 === buffer[11] || 0xFF === buffer[11]);
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ASSERT(0x00 === buffer[12] || 0xFF === buffer[12]);
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ASSERT(0x00 === buffer[13] || 0xFF === buffer[13]);
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ASSERT(0xF8 === buffer[14] || 0xF7 === buffer[14]);
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// Darwin ia32 does the other kind of NaN.
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// Compiler bug. No one really cares.
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ASSERT(0x7F === buffer[15] || 0xFF === buffer[15]);
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ASSERT.ok(isNaN(buffer.readDoubleBE(0)));
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ASSERT.ok(isNaN(buffer.readDoubleLE(8)));
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}
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test(Buffer);
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