17 lines
511 B
JavaScript
17 lines
511 B
JavaScript
'use strict'
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const assert = require('assert')
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const { HEADER_COOKIE, HEADER_VERSION, SECTOR_SIZE } = require('./_constants')
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module.exports = (header, footer) => {
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assert.strictEqual(header.cookie, HEADER_COOKIE)
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assert.strictEqual(header.dataOffset, undefined)
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assert.strictEqual(header.headerVersion, HEADER_VERSION)
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assert(Number.isInteger(Math.log2(header.blockSize / SECTOR_SIZE)))
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if (footer !== undefined) {
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assert(header.maxTableEntries >= footer.currentSize / header.blockSize)
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}
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}
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