The Tor Browser: image/test/unit/test_imgtools.js@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*

     2  * Tests for imgITools

     3  */

     5 const Ci = Components.interfaces;

     6 const Cc = Components.classes;

     9 /*

    10  * dumpToFile()

    11  *

    12  * For test development, dumps the specified array to a file.

    13  * Call |dumpToFile(outData);| in a test to file to a file.

    14  */

    15 function dumpToFile(aData) {

    16     var outputFile = do_get_tempdir();

    17     outputFile.append("testdump.png");

    19     var outputStream = Cc["@mozilla.org/network/file-output-stream;1"].

    20                        createInstance(Ci.nsIFileOutputStream);

    21     // WR_ONLY|CREAT|TRUNC

    22     outputStream.init(outputFile, 0x02 | 0x08 | 0x20, 0644, null);

    24     var bos = Cc["@mozilla.org/binaryoutputstream;1"].

    25               createInstance(Ci.nsIBinaryOutputStream);

    26     bos.setOutputStream(outputStream);

    28     bos.writeByteArray(aData, aData.length);

    30     outputStream.close();

    31 }

    34 /*

    35  * getFileInputStream()

    36  *

    37  * Returns an input stream for the specified file.

    38  */

    39 function getFileInputStream(aFile) {

    40     var inputStream = Cc["@mozilla.org/network/file-input-stream;1"].

    41                       createInstance(Ci.nsIFileInputStream);

    42     // init the stream as RD_ONLY, -1 == default permissions.

    43     inputStream.init(aFile, 0x01, -1, null);

    45     // Blah. The image decoders use ReadSegments, which isn't implemented on

    46     // file input streams. Use a buffered stream to make it work.

    47     var bis = Cc["@mozilla.org/network/buffered-input-stream;1"].

    48               createInstance(Ci.nsIBufferedInputStream);

    49     bis.init(inputStream, 1024);

    51     return bis;

    52 }

    55 /*

    56  * streamToArray()

    57  *

    58  * Consumes an input stream, and returns its bytes as an array.

    59  */

    60 function streamToArray(aStream) {

    61     var size = aStream.available();

    63     // use a binary input stream to grab the bytes.

    64     var bis = Cc["@mozilla.org/binaryinputstream;1"].

    65               createInstance(Ci.nsIBinaryInputStream);

    66     bis.setInputStream(aStream);

    68     var bytes = bis.readByteArray(size);

    69     if (size != bytes.length)

    70         throw "Didn't read expected number of bytes";

    72     return bytes;

    73 }

    76 /*

    77  * compareArrays

    78  *

    79  * Compares two arrays, and throws if there's a difference.

    80  */

    81 function compareArrays(aArray1, aArray2) {

    82     do_check_eq(aArray1.length, aArray2.length);

    84     for (var i = 0; i < aArray1.length; i++)

    85         if (aArray1[i] != aArray2[i])

    86             throw "arrays differ at index " + i;

    87 }

    90 /*

    91  * checkExpectedError

    92  *

    93  * Checks to see if a thrown error was expected or not, and if it

    94  * matches the expected value.

    95  */

    96 function checkExpectedError (aExpectedError, aActualError) {

    97   if (aExpectedError) {

    98       if (!aActualError)

    99           throw "Didn't throw as expected (" + aExpectedError + ")";

   101       if (!aExpectedError.test(aActualError))

   102           throw "Threw (" + aActualError + "), not (" + aExpectedError;

   104       // We got the expected error, so make a note in the test log.

   105       dump("...that error was expected.\n\n");

   106   } else if (aActualError) {

   107       throw "Threw unexpected error: " + aActualError;

   108   }

   109 }

   112 function run_test() {

   114 try {

   117 /* ========== 0 ========== */

   118 var testnum = 0;

   119 var testdesc = "imgITools setup";

   120 var err = null;

   122 var imgTools = Cc["@mozilla.org/image/tools;1"].

   123                getService(Ci.imgITools);

   125 if (!imgTools)

   126     throw "Couldn't get imgITools service"

   128 // Ugh, this is an ugly hack. The pixel values we get in Windows are sometimes

   129 // +/- 1 value compared to other platforms, so we need to compare against a

   130 // different set of reference images. nsIXULRuntime.OS doesn't seem to be

   131 // available in xpcshell, so we'll use this as a kludgy way to figure out if

   132 // we're running on Windows.

   133 var isWindows = ("@mozilla.org/windows-registry-key;1" in Cc);

   136 /* ========== 1 ========== */

   137 testnum++;

   138 testdesc = "test decoding a PNG";

   140 // 64x64 png, 8415 bytes.

   141 var imgName = "image1.png";

   142 var inMimeType = "image/png";

   143 var imgFile = do_get_file(imgName);

   145 var istream = getFileInputStream(imgFile);

   146 do_check_eq(istream.available(), 8415);

   148 // Use decodeImageData for this test even though it's deprecated to ensure that

   149 // it correctly forwards to decodeImage and continues to work.

   150 var outParam = { value: null };

   151 imgTools.decodeImageData(istream, inMimeType, outParam);

   152 var container = outParam.value;

   154 // It's not easy to look at the pixel values from JS, so just

   155 // check the container's size.

   156 do_check_eq(container.width,  64);

   157 do_check_eq(container.height, 64);

   160 /* ========== 2 ========== */

   161 testnum++;

   162 testdesc = "test encoding a scaled JPEG";

   164 // we'll reuse the container from the previous test

   165 istream = imgTools.encodeScaledImage(container, "image/jpeg", 16, 16);

   167 var encodedBytes = streamToArray(istream);

   168 // Get bytes for exected result

   169 var refName = "image1png16x16.jpg";

   170 var refFile = do_get_file(refName);

   171 istream = getFileInputStream(refFile);

   172 do_check_eq(istream.available(), 1078);

   173 var referenceBytes = streamToArray(istream);

   175 // compare the encoder's output to the reference file.

   176 compareArrays(encodedBytes, referenceBytes);

   179 /* ========== 3 ========== */

   180 testnum++;

   181 testdesc = "test encoding an unscaled JPEG";

   183 // we'll reuse the container from the previous test

   184 istream = imgTools.encodeImage(container, "image/jpeg");

   185 encodedBytes = streamToArray(istream);

   187 // Get bytes for exected result

   188 refName = "image1png64x64.jpg";

   189 refFile = do_get_file(refName);

   190 istream = getFileInputStream(refFile);

   191 do_check_eq(istream.available(), 4503);

   192 referenceBytes = streamToArray(istream);

   194 // compare the encoder's output to the reference file.

   195 compareArrays(encodedBytes, referenceBytes);

   198 /* ========== 4 ========== */

   199 testnum++;

   200 testdesc = "test decoding a JPEG";

   202 // 32x32 jpeg, 3494 bytes.

   203 imgName = "image2.jpg";

   204 inMimeType = "image/jpeg";

   205 imgFile = do_get_file(imgName);

   207 istream = getFileInputStream(imgFile);

   208 do_check_eq(istream.available(), 3494);

   210 container = imgTools.decodeImage(istream, inMimeType);

   212 // It's not easy to look at the pixel values from JS, so just

   213 // check the container's size.

   214 do_check_eq(container.width,  32);

   215 do_check_eq(container.height, 32);

   218 /* ========== 5 ========== */

   219 testnum++;

   220 testdesc = "test encoding a scaled PNG";

   222 if (!isWindows) {

   223 // we'll reuse the container from the previous test

   224 istream = imgTools.encodeScaledImage(container, "image/png", 16, 16);

   226 encodedBytes = streamToArray(istream);

   227 // Get bytes for exected result

   228 refName = isWindows ? "image2jpg16x16-win.png" : "image2jpg16x16.png";

   229 refFile = do_get_file(refName);

   230 istream = getFileInputStream(refFile);

   231 do_check_eq(istream.available(), 948);

   232 referenceBytes = streamToArray(istream);

   234 // compare the encoder's output to the reference file.

   235 compareArrays(encodedBytes, referenceBytes);

   236 }

   239 /* ========== 6 ========== */

   240 testnum++;

   241 testdesc = "test encoding an unscaled PNG";

   243 if (!isWindows) {

   244 // we'll reuse the container from the previous test

   245 istream = imgTools.encodeImage(container, "image/png");

   246 encodedBytes = streamToArray(istream);

   248 // Get bytes for exected result

   249 refName = isWindows ? "image2jpg32x32-win.png" : "image2jpg32x32.png";

   250 refFile = do_get_file(refName);

   251 istream = getFileInputStream(refFile);

   252 do_check_eq(istream.available(), 3105);

   253 referenceBytes = streamToArray(istream);

   255 // compare the encoder's output to the reference file.

   256 compareArrays(encodedBytes, referenceBytes);

   257 }

   260 /* ========== 7 ========== */

   261 testnum++;

   262 testdesc = "test decoding a ICO";

   264 // 16x16 ico, 1406 bytes.

   265 imgName = "image3.ico";

   266 inMimeType = "image/x-icon";

   267 imgFile = do_get_file(imgName);

   269 istream = getFileInputStream(imgFile);

   270 do_check_eq(istream.available(), 1406);

   272 container = imgTools.decodeImage(istream, inMimeType);

   274 // It's not easy to look at the pixel values from JS, so just

   275 // check the container's size.

   276 do_check_eq(container.width,  16);

   277 do_check_eq(container.height, 16);

   280 /* ========== 8 ========== */

   281 testnum++;

   282 testdesc = "test encoding a scaled PNG"; // note that we're scaling UP

   284 // we'll reuse the container from the previous test

   285 istream = imgTools.encodeScaledImage(container, "image/png", 32, 32);

   286 encodedBytes = streamToArray(istream);

   288 // Get bytes for exected result

   289 refName = "image3ico32x32.png";

   290 refFile = do_get_file(refName);

   291 istream = getFileInputStream(refFile);

   292 do_check_eq(istream.available(), 2285);

   293 referenceBytes = streamToArray(istream);

   295 // compare the encoder's output to the reference file.

   296 compareArrays(encodedBytes, referenceBytes);

   299 /* ========== 9 ========== */

   300 testnum++;

   301 testdesc = "test encoding an unscaled PNG";

   303 // we'll reuse the container from the previous test

   304 istream = imgTools.encodeImage(container, "image/png");

   305 encodedBytes = streamToArray(istream);

   307 // Get bytes for exected result

   308 refName = "image3ico16x16.png";

   309 refFile = do_get_file(refName);

   310 istream = getFileInputStream(refFile);

   311 do_check_eq(istream.available(), 330);

   312 referenceBytes = streamToArray(istream);

   314 // compare the encoder's output to the reference file.

   315 compareArrays(encodedBytes, referenceBytes);

   318 /* ========== 10 ========== */

   319 testnum++;

   320 testdesc = "test decoding a GIF";

   322 // 32x32 gif, 1809 bytes.

   323 imgName = "image4.gif";

   324 inMimeType = "image/gif";

   325 imgFile = do_get_file(imgName);

   327 istream = getFileInputStream(imgFile);

   328 do_check_eq(istream.available(), 1809);

   330 container = imgTools.decodeImage(istream, inMimeType);

   332 // It's not easy to look at the pixel values from JS, so just

   333 // check the container's size.

   334 do_check_eq(container.width, 32);

   335 do_check_eq(container.height, 32);

   337 /* ========== 11 ========== */

   338 testnum++;

   339 testdesc = "test encoding an unscaled ICO with format options " +

   340            "(format=bmp;bpp=32)";

   342 // we'll reuse the container from the previous test

   343 istream = imgTools.encodeImage(container,

   344                                "image/vnd.microsoft.icon",

   345                                "format=bmp;bpp=32");

   346 encodedBytes = streamToArray(istream);

   348 // Get bytes for exected result

   349 refName = "image4gif32x32bmp32bpp.ico";

   350 refFile = do_get_file(refName);

   351 istream = getFileInputStream(refFile);

   352 do_check_eq(istream.available(), 4286);

   353 referenceBytes = streamToArray(istream);

   355 // compare the encoder's output to the reference file.

   356 compareArrays(encodedBytes, referenceBytes);

   358 /* ========== 12 ========== */

   359 testnum++;

   360 testdesc = "test encoding a scaled ICO with format options " +

   361            "(format=bmp;bpp=32)";

   363 // we'll reuse the container from the previous test

   364 istream = imgTools.encodeScaledImage(container,

   365                                      "image/vnd.microsoft.icon",

   366                                      16,

   367                                      16,

   368                                      "format=bmp;bpp=32");

   369 encodedBytes = streamToArray(istream);

   371 // Get bytes for exected result

   372 refName = "image4gif16x16bmp32bpp.ico";

   373 refFile = do_get_file(refName);

   374 istream = getFileInputStream(refFile);

   375 do_check_eq(istream.available(), 1150);

   376 referenceBytes = streamToArray(istream);

   378 // compare the encoder's output to the reference file.

   379 compareArrays(encodedBytes, referenceBytes);

   381 /* ========== 13 ========== */

   382 testnum++;

   383 testdesc = "test encoding an unscaled ICO with format options " +

   384            "(format=bmp;bpp=24)";

   386 // we'll reuse the container from the previous test

   387 istream = imgTools.encodeImage(container,

   388                                "image/vnd.microsoft.icon",

   389                                "format=bmp;bpp=24");

   390 encodedBytes = streamToArray(istream);

   392 // Get bytes for exected result

   393 refName = "image4gif32x32bmp24bpp.ico";

   394 refFile = do_get_file(refName);

   395 istream = getFileInputStream(refFile);

   396 do_check_eq(istream.available(), 3262);

   397 referenceBytes = streamToArray(istream);

   399 // compare the encoder's output to the reference file.

   400 compareArrays(encodedBytes, referenceBytes);

   402 /* ========== 14 ========== */

   403 testnum++;

   404 testdesc = "test encoding a scaled ICO with format options " +

   405            "(format=bmp;bpp=24)";

   407 // we'll reuse the container from the previous test

   408 istream = imgTools.encodeScaledImage(container,

   409                                      "image/vnd.microsoft.icon",

   410                                      16,

   411                                      16,

   412                                      "format=bmp;bpp=24");

   413 encodedBytes = streamToArray(istream);

   415 // Get bytes for exected result

   416 refName = "image4gif16x16bmp24bpp.ico";

   417 refFile = do_get_file(refName);

   418 istream = getFileInputStream(refFile);

   419 do_check_eq(istream.available(), 894);

   420 referenceBytes = streamToArray(istream);

   422 // compare the encoder's output to the reference file.

   423 compareArrays(encodedBytes, referenceBytes);

   426 /* ========== 15 ========== */

   427 testnum++;

   428 testdesc = "test cropping a JPG";

   430 // 32x32 jpeg, 3494 bytes.

   431 imgName = "image2.jpg";

   432 inMimeType = "image/jpeg";

   433 imgFile = do_get_file(imgName);

   435 istream = getFileInputStream(imgFile);

   436 do_check_eq(istream.available(), 3494);

   438 container = imgTools.decodeImage(istream, inMimeType);

   440 // It's not easy to look at the pixel values from JS, so just

   441 // check the container's size.

   442 do_check_eq(container.width,  32);

   443 do_check_eq(container.height, 32);

   445 // encode a cropped image

   446 istream = imgTools.encodeCroppedImage(container, "image/jpeg", 0, 0, 16, 16);

   447 encodedBytes = streamToArray(istream);

   449 // Get bytes for exected result

   450 refName = "image2jpg16x16cropped.jpg";

   451 refFile = do_get_file(refName);

   452 istream = getFileInputStream(refFile);

   453 do_check_eq(istream.available(), 879);

   454 referenceBytes = streamToArray(istream);

   456 // compare the encoder's output to the reference file.

   457 compareArrays(encodedBytes, referenceBytes);

   460 /* ========== 16 ========== */

   461 testnum++;

   462 testdesc = "test cropping a JPG with an offset";

   464 // we'll reuse the container from the previous test

   465 istream = imgTools.encodeCroppedImage(container, "image/jpeg", 16, 16, 16, 16);

   466 encodedBytes = streamToArray(istream);

   468 // Get bytes for exected result

   469 refName = "image2jpg16x16cropped2.jpg";

   470 refFile = do_get_file(refName);

   471 istream = getFileInputStream(refFile);

   472 do_check_eq(istream.available(), 878);

   473 referenceBytes = streamToArray(istream);

   475 // compare the encoder's output to the reference file.

   476 compareArrays(encodedBytes, referenceBytes);

   479 /* ========== 17 ========== */

   480 testnum++;

   481 testdesc = "test cropping a JPG without a given height";

   483 // we'll reuse the container from the previous test

   484 istream = imgTools.encodeCroppedImage(container, "image/jpeg", 0, 0, 16, 0);

   485 encodedBytes = streamToArray(istream);

   487 // Get bytes for exected result

   488 refName = "image2jpg16x32cropped3.jpg";

   489 refFile = do_get_file(refName);

   490 istream = getFileInputStream(refFile);

   491 do_check_eq(istream.available(), 1127);

   492 referenceBytes = streamToArray(istream);

   494 // compare the encoder's output to the reference file.

   495 compareArrays(encodedBytes, referenceBytes);

   498 /* ========== 18 ========== */

   499 testnum++;

   500 testdesc = "test cropping a JPG without a given width";

   502 // we'll reuse the container from the previous test

   503 istream = imgTools.encodeCroppedImage(container, "image/jpeg", 0, 0, 0, 16);

   504 encodedBytes = streamToArray(istream);

   506 // Get bytes for exected result

   507 refName = "image2jpg32x16cropped4.jpg";

   508 refFile = do_get_file(refName);

   509 istream = getFileInputStream(refFile);

   510 do_check_eq(istream.available(), 1135);

   511 referenceBytes = streamToArray(istream);

   513 // compare the encoder's output to the reference file.

   514 compareArrays(encodedBytes, referenceBytes);

   517 /* ========== 19 ========== */

   518 testnum++;

   519 testdesc = "test cropping a JPG without a given width and height";

   521 // we'll reuse the container from the previous test

   522 istream = imgTools.encodeCroppedImage(container, "image/jpeg", 0, 0, 0, 0);

   523 encodedBytes = streamToArray(istream);

   525 // Get bytes for exected result

   526 refName = "image2jpg32x32.jpg";

   527 refFile = do_get_file(refName);

   528 istream = getFileInputStream(refFile);

   529 do_check_eq(istream.available(), 1634);

   530 referenceBytes = streamToArray(istream);

   532 // compare the encoder's output to the reference file.

   533 compareArrays(encodedBytes, referenceBytes);

   536 /* ========== 20 ========== */

   537 testnum++;

   538 testdesc = "test scaling a JPG without a given width";

   540 // we'll reuse the container from the previous test

   541 istream = imgTools.encodeScaledImage(container, "image/jpeg", 0, 16);

   542 encodedBytes = streamToArray(istream);

   544 // Get bytes for exected result

   545 refName = "image2jpg32x16scaled.jpg";

   546 refFile = do_get_file(refName);

   547 istream = getFileInputStream(refFile);

   548 do_check_eq(istream.available(), 1227);

   549 referenceBytes = streamToArray(istream);

   551 // compare the encoder's output to the reference file.

   552 compareArrays(encodedBytes, referenceBytes);

   555 /* ========== 21 ========== */

   556 testnum++;

   557 testdesc = "test scaling a JPG without a given height";

   559 // we'll reuse the container from the previous test

   560 istream = imgTools.encodeScaledImage(container, "image/jpeg", 16, 0);

   561 encodedBytes = streamToArray(istream);

   563 // Get bytes for exected result

   564 refName = "image2jpg16x32scaled.jpg";

   565 refFile = do_get_file(refName);

   566 istream = getFileInputStream(refFile);

   567 do_check_eq(istream.available(), 1219);

   568 referenceBytes = streamToArray(istream);

   570 // compare the encoder's output to the reference file.

   571 compareArrays(encodedBytes, referenceBytes);

   574 /* ========== 22 ========== */

   575 testnum++;

   576 testdesc = "test scaling a JPG without a given width and height";

   578 // we'll reuse the container from the previous test

   579 istream = imgTools.encodeScaledImage(container, "image/jpeg", 0, 0);

   580 encodedBytes = streamToArray(istream);

   582 // Get bytes for exected result

   583 refName = "image2jpg32x32.jpg";

   584 refFile = do_get_file(refName);

   585 istream = getFileInputStream(refFile);

   586 do_check_eq(istream.available(), 1634);

   587 referenceBytes = streamToArray(istream);

   589 // compare the encoder's output to the reference file.

   590 compareArrays(encodedBytes, referenceBytes);

   593 /* ========== 22 ========== */

   594 testnum++;

   595 testdesc = "test invalid arguments for cropping";

   597 var numErrors = 0;

   599 try {

   600   // width/height can't be negative

   601   imgTools.encodeScaledImage(container, "image/jpeg", -1, -1);

   602 } catch (e) { numErrors++; }

   604 try {

   605   // offsets can't be negative

   606   imgTools.encodeCroppedImage(container, "image/jpeg", -1, -1, 16, 16);

   607 } catch (e) { numErrors++; }

   609 try {

   610   // width/height can't be negative

   611   imgTools.encodeCroppedImage(container, "image/jpeg", 0, 0, -1, -1);

   612 } catch (e) { numErrors++; }

   614 try {

   615   // out of bounds

   616   imgTools.encodeCroppedImage(container, "image/jpeg", 17, 17, 16, 16);

   617 } catch (e) { numErrors++; }

   619 try {

   620   // out of bounds

   621   imgTools.encodeCroppedImage(container, "image/jpeg", 0, 0, 33, 33);

   622 } catch (e) { numErrors++; }

   624 try {

   625   // out of bounds

   626   imgTools.encodeCroppedImage(container, "image/jpeg", 1, 1, 0, 0);

   627 } catch (e) { numErrors++; }

   629 do_check_eq(numErrors, 6);

   632 /* ========== bug 363986 ========== */

   633 testnum = 363986;

   634 testdesc = "test PNG and JPEG encoders' Read/ReadSegments methods";

   636 var testData =

   637     [{preImage: "image3.ico",

   638       preImageMimeType: "image/x-icon",

   639       refImage: "image3ico16x16.png",

   640       refImageMimeType: "image/png"},

   641      {preImage: "image1.png",

   642       preImageMimeType: "image/png",

   643       refImage: "image1png64x64.jpg",

   644       refImageMimeType: "image/jpeg"}];

   646 for(var i=0; i<testData.length; ++i) {

   647     var dict = testData[i];

   649     var imgFile = do_get_file(dict["refImage"]);

   650     var istream = getFileInputStream(imgFile);

   651     var refBytes = streamToArray(istream);

   653     imgFile = do_get_file(dict["preImage"]);

   654     istream = getFileInputStream(imgFile);

   656     var container = imgTools.decodeImage(istream, dict["preImageMimeType"]);

   658     istream = imgTools.encodeImage(container, dict["refImageMimeType"]);

   660     var sstream = Cc["@mozilla.org/storagestream;1"].

   661 	          createInstance(Ci.nsIStorageStream);

   662     sstream.init(4096, 4294967295, null);

   663     var ostream = sstream.getOutputStream(0);

   664     var bostream = Cc["@mozilla.org/network/buffered-output-stream;1"].

   665 	           createInstance(Ci.nsIBufferedOutputStream);

   667     //use a tiny buffer to make sure the image data doesn't fully fit in it

   668     bostream.init(ostream, 8);

   670     bostream.writeFrom(istream, istream.available());

   671     bostream.flush(); bostream.close();

   673     var encBytes = streamToArray(sstream.newInputStream(0));

   675     compareArrays(refBytes, encBytes);

   676 }

   679 /* ========== bug 413512  ========== */

   680 testnum = 413512;

   681 testdesc = "test decoding bad favicon (bug 413512)";

   683 imgName = "bug413512.ico";

   684 inMimeType = "image/x-icon";

   685 imgFile = do_get_file(imgName);

   687 istream = getFileInputStream(imgFile);

   688 do_check_eq(istream.available(), 17759);

   689 var errsrc = "none";

   691 try {

   692   container = imgTools.decodeImage(istream, inMimeType);

   694   // We should never hit this - decodeImage throws an assertion because the

   695   // image decoded doesn't have enough frames.

   696   try {

   697       istream = imgTools.encodeImage(container, "image/png");

   698   } catch (e) {

   699       err = e;

   700       errsrc = "encode";

   701   }

   702 } catch (e) {

   703   err = e;

   704   errsrc = "decode";

   705 }

   707 do_check_eq(errsrc, "decode");

   708 checkExpectedError(/NS_ERROR_FAILURE/, err);

   711 /* ========== bug 815359  ========== */

   712 testnum = 815359;

   713 testdesc = "test correct ico hotspots (bug 815359)";

   715 imgName = "bug815359.ico";

   716 inMimeType = "image/x-icon";

   717 imgFile = do_get_file(imgName);

   719 istream = getFileInputStream(imgFile);

   720 do_check_eq(istream.available(), 4286);

   722 container = imgTools.decodeImage(istream, inMimeType);

   724 var props = container.QueryInterface(Ci.nsIProperties);

   726 do_check_eq(props.get("hotspotX", Ci.nsISupportsPRUint32).data, 10);

   727 do_check_eq(props.get("hotspotY", Ci.nsISupportsPRUint32).data, 9);

   730 /* ========== end ========== */

   732 } catch (e) {

   733     throw "FAILED in test #" + testnum + " -- " + testdesc + ": " + e;

   734 }

   735 };

The Tor Browser / file revision

image/test/unit/test_imgtools.js@6474c204b198

image/test/unit/test_imgtools.js