GT2/Ejectable/node_modules/pngjs/coverage/lcov-report/sync-inflate.js.html

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<h1><a href="index.html">All files</a> sync-inflate.js</h1>
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<div class='fl pad1y space-right2'>
<span class="strong">75.31% </span>
<span class="quiet">Statements</span>
<span class='fraction'>61/81</span>
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<div class='fl pad1y space-right2'>
<span class="strong">62% </span>
<span class="quiet">Branches</span>
<span class='fraction'>31/50</span>
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<div class='fl pad1y space-right2'>
<span class="strong">87.5% </span>
<span class="quiet">Functions</span>
<span class='fraction'>7/8</span>
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<div class='fl pad1y space-right2'>
<span class="strong">75.31% </span>
<span class="quiet">Lines</span>
<span class='fraction'>61/81</span>
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Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">"use strict";
&nbsp;
let assert = require("assert").ok;
let zlib = require("zlib");
let util = require("util");
&nbsp;
let kMaxLength = require("buffer").kMaxLength;
&nbsp;
function Inflate(opts) {
<span class="missing-if-branch" title="if path not taken" >I</span>if (!(this instanceof Inflate)) {
<span class="cstat-no" title="statement not covered" > return new Inflate(opts);</span>
}
&nbsp;
if (opts &amp;&amp; opts.chunkSize &lt; zlib.Z_MIN_CHUNK) {
opts.chunkSize = zlib.Z_MIN_CHUNK;
}
&nbsp;
zlib.Inflate.call(this, opts);
&nbsp;
// Node 8 --&gt; 9 compatibility check
this._offset = this._offset === undefined ? this._outOffset : <span class="branch-1 cbranch-no" title="branch not covered" >this._offset;</span>
this._buffer = this._buffer || this._outBuffer;
&nbsp;
<span class="missing-if-branch" title="else path not taken" >E</span>if (opts &amp;&amp; opts.maxLength != null) {
this._maxLength = opts.maxLength;
}
}
&nbsp;
function <span class="fstat-no" title="function not covered" >createInflate(</span>opts) {
<span class="cstat-no" title="statement not covered" > return new Inflate(opts);</span>
}
&nbsp;
function _close(engine, callback) {
<span class="missing-if-branch" title="if path not taken" >I</span>if (callback) {
<span class="cstat-no" title="statement not covered" > process.nextTick(callback);</span>
}
&nbsp;
// Caller may invoke .close after a zlib error (which will null _handle).
<span class="missing-if-branch" title="if path not taken" >I</span>if (!engine._handle) {
<span class="cstat-no" title="statement not covered" > return;</span>
}
&nbsp;
engine._handle.close();
engine._handle = null;
}
&nbsp;
Inflate.prototype._processChunk = function (chunk, flushFlag, asyncCb) {
<span class="missing-if-branch" title="if path not taken" >I</span>if (typeof asyncCb === "function") {
<span class="cstat-no" title="statement not covered" > return zlib.Inflate._processChunk.call(this, chunk, flushFlag, asyncCb);</span>
}
&nbsp;
let self = this;
&nbsp;
let availInBefore = chunk &amp;&amp; chunk.length;
let availOutBefore = this._chunkSize - this._offset;
let leftToInflate = this._maxLength;
let inOff = 0;
&nbsp;
let buffers = [];
let nread = 0;
&nbsp;
let error;
this.on("error", function (err) {
error = err;
});
&nbsp;
function handleChunk(availInAfter, availOutAfter) {
<span class="missing-if-branch" title="if path not taken" >I</span>if (self._hadError) {
<span class="cstat-no" title="statement not covered" > return;</span>
}
&nbsp;
let have = availOutBefore - availOutAfter;
assert(have &gt;= 0, "have should not go down");
&nbsp;
<span class="missing-if-branch" title="else path not taken" >E</span>if (have &gt; 0) {
let out = self._buffer.slice(self._offset, self._offset + have);
self._offset += have;
&nbsp;
if (out.length &gt; leftToInflate) {
out = out.slice(0, leftToInflate);
}
&nbsp;
buffers.push(out);
nread += out.length;
leftToInflate -= out.length;
&nbsp;
<span class="missing-if-branch" title="else path not taken" >E</span>if (leftToInflate === 0) {
return false;
}
}
&nbsp;
<span class="cstat-no" title="statement not covered" > if (availOutAfter === 0 || self._offset &gt;= self._chunkSize) {</span>
<span class="cstat-no" title="statement not covered" > availOutBefore = self._chunkSize;</span>
<span class="cstat-no" title="statement not covered" > self._offset = 0;</span>
<span class="cstat-no" title="statement not covered" > self._buffer = Buffer.allocUnsafe(self._chunkSize);</span>
}
&nbsp;
<span class="cstat-no" title="statement not covered" > if (availOutAfter === 0) {</span>
<span class="cstat-no" title="statement not covered" > inOff += availInBefore - availInAfter;</span>
<span class="cstat-no" title="statement not covered" > availInBefore = availInAfter;</span>
&nbsp;
<span class="cstat-no" title="statement not covered" > return true;</span>
}
&nbsp;
<span class="cstat-no" title="statement not covered" > return false;</span>
}
&nbsp;
assert(this._handle, "zlib binding closed");
let res;
do {
res = this._handle.writeSync(
flushFlag,
chunk, // in
inOff, // in_off
availInBefore, // in_len
this._buffer, // out
this._offset, //out_off
availOutBefore
); // out_len
// Node 8 --&gt; 9 compatibility check
res = res || this._writeState;
} while (!this._hadError &amp;&amp; handleChunk(res[0], res[1]));
&nbsp;
if (this._hadError) {
throw error;
}
&nbsp;
<span class="missing-if-branch" title="if path not taken" >I</span>if (nread &gt;= kMaxLength) {
<span class="cstat-no" title="statement not covered" > _close(this);</span>
<span class="cstat-no" title="statement not covered" > throw new RangeError(</span>
"Cannot create final Buffer. It would be larger than 0x" +
kMaxLength.toString(16) +
" bytes"
);
}
&nbsp;
let buf = Buffer.concat(buffers, nread);
_close(this);
&nbsp;
return buf;
};
&nbsp;
util.inherits(Inflate, zlib.Inflate);
&nbsp;
function zlibBufferSync(engine, buffer) {
<span class="missing-if-branch" title="if path not taken" >I</span>if (typeof buffer === "string") {
<span class="cstat-no" title="statement not covered" > buffer = Buffer.from(buffer);</span>
}
<span class="missing-if-branch" title="if path not taken" >I</span>if (!(buffer instanceof Buffer)) {
<span class="cstat-no" title="statement not covered" > throw new TypeError("Not a string or buffer");</span>
}
&nbsp;
let flushFlag = engine._finishFlushFlag;
<span class="missing-if-branch" title="if path not taken" >I</span>if (flushFlag == null) {
<span class="cstat-no" title="statement not covered" > flushFlag = zlib.Z_FINISH;</span>
}
&nbsp;
return engine._processChunk(buffer, flushFlag);
}
&nbsp;
function inflateSync(buffer, opts) {
return zlibBufferSync(new Inflate(opts), buffer);
}
&nbsp;
module.exports = exports = inflateSync;
exports.Inflate = Inflate;
exports.createInflate = createInflate;
exports.inflateSync = inflateSync;
&nbsp;</pre></td></tr></table></pre>
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