зеркало из https://github.com/mozilla/gecko-dev.git
743 строки
22 KiB
JavaScript
743 строки
22 KiB
JavaScript
/*
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* Tests for imgITools
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*/
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ChromeUtils.import("resource://gre/modules/NetUtil.jsm");
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/*
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* dumpToFile()
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*
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* For test development, dumps the specified array to a file.
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* Call |dumpToFile(outData);| in a test to file to a file.
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*/
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function dumpToFile(aData) {
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var outputFile = do_get_tempdir();
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outputFile.append("testdump.png");
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var outputStream = Cc["@mozilla.org/network/file-output-stream;1"].
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createInstance(Ci.nsIFileOutputStream);
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// WR_ONLY|CREAT|TRUNC
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outputStream.init(outputFile, 0x02 | 0x08 | 0x20, 0o644, null);
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var bos = Cc["@mozilla.org/binaryoutputstream;1"].
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createInstance(Ci.nsIBinaryOutputStream);
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bos.setOutputStream(outputStream);
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bos.writeByteArray(aData, aData.length);
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outputStream.close();
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}
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/*
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* getFileInputStream()
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*
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* Returns an input stream for the specified file.
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*/
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function getFileInputStream(aFile) {
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var inputStream = Cc["@mozilla.org/network/file-input-stream;1"].
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createInstance(Ci.nsIFileInputStream);
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// init the stream as RD_ONLY, -1 == default permissions.
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inputStream.init(aFile, 0x01, -1, null);
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// Blah. The image decoders use ReadSegments, which isn't implemented on
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// file input streams. Use a buffered stream to make it work.
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var bis = Cc["@mozilla.org/network/buffered-input-stream;1"].
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createInstance(Ci.nsIBufferedInputStream);
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bis.init(inputStream, 1024);
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return bis;
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}
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/*
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* streamToArray()
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*
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* Consumes an input stream, and returns its bytes as an array.
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*/
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function streamToArray(aStream) {
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var size = aStream.available();
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// use a binary input stream to grab the bytes.
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var bis = Cc["@mozilla.org/binaryinputstream;1"].
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createInstance(Ci.nsIBinaryInputStream);
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bis.setInputStream(aStream);
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var bytes = bis.readByteArray(size);
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if (size != bytes.length)
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throw "Didn't read expected number of bytes";
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return bytes;
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}
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/*
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* compareArrays
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*
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* Compares two arrays, and throws if there's a difference.
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*/
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function compareArrays(aArray1, aArray2) {
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Assert.equal(aArray1.length, aArray2.length);
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for (var i = 0; i < aArray1.length; i++)
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if (aArray1[i] != aArray2[i])
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throw "arrays differ at index " + i;
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}
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/*
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* checkExpectedError
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*
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* Checks to see if a thrown error was expected or not, and if it
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* matches the expected value.
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*/
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function checkExpectedError (aExpectedError, aActualError) {
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if (aExpectedError) {
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if (!aActualError)
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throw "Didn't throw as expected (" + aExpectedError + ")";
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if (!aExpectedError.test(aActualError))
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throw "Threw (" + aActualError + "), not (" + aExpectedError;
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// We got the expected error, so make a note in the test log.
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dump("...that error was expected.\n\n");
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} else if (aActualError) {
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throw "Threw unexpected error: " + aActualError;
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}
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}
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function run_test() {
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try {
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/* ========== 0 ========== */
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var testnum = 0;
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var testdesc = "imgITools setup";
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var err = null;
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var imgTools = Cc["@mozilla.org/image/tools;1"].
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getService(Ci.imgITools);
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if (!imgTools)
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throw "Couldn't get imgITools service"
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// Ugh, this is an ugly hack. The pixel values we get in Windows are sometimes
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// +/- 1 value compared to other platforms, so we need to compare against a
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// different set of reference images. nsIXULRuntime.OS doesn't seem to be
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// available in xpcshell, so we'll use this as a kludgy way to figure out if
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// we're running on Windows.
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var isWindows = mozinfo.os == "win";
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/* ========== 1 ========== */
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testnum++;
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testdesc = "test decoding a PNG";
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// 64x64 png, 8415 bytes.
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var imgName = "image1.png";
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var inMimeType = "image/png";
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var imgFile = do_get_file(imgName);
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var istream = getFileInputStream(imgFile);
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Assert.equal(istream.available(), 8415);
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var buffer = NetUtil.readInputStreamToString(istream, istream.available());
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var container = imgTools.decodeImageFromBuffer(buffer, buffer.length,
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inMimeType);
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// It's not easy to look at the pixel values from JS, so just
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// check the container's size.
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Assert.equal(container.width, 64);
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Assert.equal(container.height, 64);
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/* ========== 2 ========== */
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testnum++;
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testdesc = "test encoding a scaled JPEG";
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// we'll reuse the container from the previous test
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istream = imgTools.encodeScaledImage(container, "image/jpeg", 16, 16);
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var encodedBytes = streamToArray(istream);
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// Get bytes for exected result
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var refName = "image1png16x16.jpg";
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var refFile = do_get_file(refName);
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istream = getFileInputStream(refFile);
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Assert.equal(istream.available(), 1051);
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var referenceBytes = streamToArray(istream);
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// compare the encoder's output to the reference file.
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compareArrays(encodedBytes, referenceBytes);
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/* ========== 3 ========== */
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testnum++;
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testdesc = "test encoding an unscaled JPEG";
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// we'll reuse the container from the previous test
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istream = imgTools.encodeImage(container, "image/jpeg");
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encodedBytes = streamToArray(istream);
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// Get bytes for exected result
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refName = "image1png64x64.jpg";
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refFile = do_get_file(refName);
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istream = getFileInputStream(refFile);
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Assert.equal(istream.available(), 4503);
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referenceBytes = streamToArray(istream);
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// compare the encoder's output to the reference file.
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compareArrays(encodedBytes, referenceBytes);
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/* ========== 4 ========== */
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testnum++;
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testdesc = "test decoding a JPEG";
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// 32x32 jpeg, 3494 bytes.
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imgName = "image2.jpg";
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inMimeType = "image/jpeg";
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imgFile = do_get_file(imgName);
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istream = getFileInputStream(imgFile);
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Assert.equal(istream.available(), 3494);
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buffer = NetUtil.readInputStreamToString(istream, istream.available());
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container = imgTools.decodeImageFromBuffer(buffer, buffer.length, inMimeType);
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// It's not easy to look at the pixel values from JS, so just
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// check the container's size.
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Assert.equal(container.width, 32);
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Assert.equal(container.height, 32);
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/* ========== 5 ========== */
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testnum++;
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testdesc = "test encoding a scaled PNG";
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if (!isWindows) {
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// we'll reuse the container from the previous test
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istream = imgTools.encodeScaledImage(container, "image/png", 16, 16);
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encodedBytes = streamToArray(istream);
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// Get bytes for exected result
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refName = isWindows ? "image2jpg16x16-win.png" : "image2jpg16x16.png";
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refFile = do_get_file(refName);
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istream = getFileInputStream(refFile);
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Assert.equal(istream.available(), 950);
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referenceBytes = streamToArray(istream);
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// compare the encoder's output to the reference file.
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compareArrays(encodedBytes, referenceBytes);
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}
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/* ========== 6 ========== */
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testnum++;
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testdesc = "test encoding an unscaled PNG";
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if (!isWindows) {
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// we'll reuse the container from the previous test
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istream = imgTools.encodeImage(container, "image/png");
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encodedBytes = streamToArray(istream);
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// Get bytes for exected result
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refName = isWindows ? "image2jpg32x32-win.png" : "image2jpg32x32.png";
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refFile = do_get_file(refName);
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istream = getFileInputStream(refFile);
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Assert.equal(istream.available(), 3105);
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referenceBytes = streamToArray(istream);
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// compare the encoder's output to the reference file.
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compareArrays(encodedBytes, referenceBytes);
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}
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/* ========== 7 ========== */
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testnum++;
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testdesc = "test decoding a ICO";
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// 16x16 ico, 1406 bytes.
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imgName = "image3.ico";
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inMimeType = "image/x-icon";
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imgFile = do_get_file(imgName);
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istream = getFileInputStream(imgFile);
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Assert.equal(istream.available(), 1406);
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buffer = NetUtil.readInputStreamToString(istream, istream.available());
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container = imgTools.decodeImageFromBuffer(buffer, buffer.length, inMimeType);
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// It's not easy to look at the pixel values from JS, so just
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// check the container's size.
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Assert.equal(container.width, 16);
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Assert.equal(container.height, 16);
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/* ========== 8 ========== */
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testnum++;
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testdesc = "test encoding a scaled PNG"; // note that we're scaling UP
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// we'll reuse the container from the previous test
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istream = imgTools.encodeScaledImage(container, "image/png", 32, 32);
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encodedBytes = streamToArray(istream);
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// Get bytes for exected result
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refName = "image3ico32x32.png";
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refFile = do_get_file(refName);
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istream = getFileInputStream(refFile);
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Assert.equal(istream.available(), 2285);
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referenceBytes = streamToArray(istream);
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// compare the encoder's output to the reference file.
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compareArrays(encodedBytes, referenceBytes);
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/* ========== 9 ========== */
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testnum++;
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testdesc = "test encoding an unscaled PNG";
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// we'll reuse the container from the previous test
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istream = imgTools.encodeImage(container, "image/png");
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encodedBytes = streamToArray(istream);
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// Get bytes for exected result
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refName = "image3ico16x16.png";
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refFile = do_get_file(refName);
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istream = getFileInputStream(refFile);
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Assert.equal(istream.available(), 330);
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referenceBytes = streamToArray(istream);
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// compare the encoder's output to the reference file.
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compareArrays(encodedBytes, referenceBytes);
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/* ========== 10 ========== */
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testnum++;
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testdesc = "test decoding a GIF";
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// 32x32 gif, 1809 bytes.
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imgName = "image4.gif";
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inMimeType = "image/gif";
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imgFile = do_get_file(imgName);
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istream = getFileInputStream(imgFile);
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Assert.equal(istream.available(), 1809);
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buffer = NetUtil.readInputStreamToString(istream, istream.available());
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container = imgTools.decodeImageFromBuffer(buffer, buffer.length, inMimeType);
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// It's not easy to look at the pixel values from JS, so just
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// check the container's size.
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Assert.equal(container.width, 32);
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Assert.equal(container.height, 32);
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/* ========== 11 ========== */
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testnum++;
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testdesc = "test encoding an unscaled ICO with format options " +
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"(format=bmp;bpp=32)";
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// we'll reuse the container from the previous test
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istream = imgTools.encodeImage(container,
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"image/vnd.microsoft.icon",
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"format=bmp;bpp=32");
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encodedBytes = streamToArray(istream);
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// Get bytes for exected result
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refName = "image4gif32x32bmp32bpp.ico";
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refFile = do_get_file(refName);
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istream = getFileInputStream(refFile);
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Assert.equal(istream.available(), 4286);
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referenceBytes = streamToArray(istream);
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// compare the encoder's output to the reference file.
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compareArrays(encodedBytes, referenceBytes);
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/* ========== 12 ========== */
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testnum++;
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testdesc = "test encoding a scaled ICO with format options " +
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"(format=bmp;bpp=32)";
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// we'll reuse the container from the previous test
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istream = imgTools.encodeScaledImage(container,
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"image/vnd.microsoft.icon",
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16,
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16,
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"format=bmp;bpp=32");
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encodedBytes = streamToArray(istream);
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// Get bytes for exected result
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refName = "image4gif16x16bmp32bpp.ico";
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refFile = do_get_file(refName);
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istream = getFileInputStream(refFile);
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Assert.equal(istream.available(), 1150);
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referenceBytes = streamToArray(istream);
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// compare the encoder's output to the reference file.
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compareArrays(encodedBytes, referenceBytes);
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/* ========== 13 ========== */
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testnum++;
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testdesc = "test encoding an unscaled ICO with format options " +
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"(format=bmp;bpp=24)";
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// we'll reuse the container from the previous test
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istream = imgTools.encodeImage(container,
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"image/vnd.microsoft.icon",
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"format=bmp;bpp=24");
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encodedBytes = streamToArray(istream);
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// Get bytes for exected result
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refName = "image4gif32x32bmp24bpp.ico";
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refFile = do_get_file(refName);
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istream = getFileInputStream(refFile);
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Assert.equal(istream.available(), 3262);
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referenceBytes = streamToArray(istream);
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// compare the encoder's output to the reference file.
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compareArrays(encodedBytes, referenceBytes);
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/* ========== 14 ========== */
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testnum++;
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testdesc = "test encoding a scaled ICO with format options " +
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"(format=bmp;bpp=24)";
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// we'll reuse the container from the previous test
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istream = imgTools.encodeScaledImage(container,
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"image/vnd.microsoft.icon",
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16,
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16,
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"format=bmp;bpp=24");
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encodedBytes = streamToArray(istream);
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// Get bytes for exected result
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refName = "image4gif16x16bmp24bpp.ico";
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refFile = do_get_file(refName);
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istream = getFileInputStream(refFile);
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Assert.equal(istream.available(), 894);
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referenceBytes = streamToArray(istream);
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// compare the encoder's output to the reference file.
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compareArrays(encodedBytes, referenceBytes);
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/* ========== 15 ========== */
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testnum++;
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testdesc = "test cropping a JPG";
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// 32x32 jpeg, 3494 bytes.
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imgName = "image2.jpg";
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inMimeType = "image/jpeg";
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imgFile = do_get_file(imgName);
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istream = getFileInputStream(imgFile);
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Assert.equal(istream.available(), 3494);
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buffer = NetUtil.readInputStreamToString(istream, istream.available());
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container = imgTools.decodeImageFromBuffer(buffer, buffer.length, inMimeType);
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// It's not easy to look at the pixel values from JS, so just
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// check the container's size.
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Assert.equal(container.width, 32);
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Assert.equal(container.height, 32);
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// encode a cropped image
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istream = imgTools.encodeCroppedImage(container, "image/jpeg", 0, 0, 16, 16);
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encodedBytes = streamToArray(istream);
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// Get bytes for exected result
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refName = "image2jpg16x16cropped.jpg";
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refFile = do_get_file(refName);
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istream = getFileInputStream(refFile);
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Assert.equal(istream.available(), 879);
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referenceBytes = streamToArray(istream);
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// compare the encoder's output to the reference file.
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compareArrays(encodedBytes, referenceBytes);
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/* ========== 16 ========== */
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testnum++;
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testdesc = "test cropping a JPG with an offset";
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// we'll reuse the container from the previous test
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istream = imgTools.encodeCroppedImage(container, "image/jpeg", 16, 16, 16, 16);
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encodedBytes = streamToArray(istream);
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// Get bytes for exected result
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refName = "image2jpg16x16cropped2.jpg";
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refFile = do_get_file(refName);
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istream = getFileInputStream(refFile);
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Assert.equal(istream.available(), 878);
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referenceBytes = streamToArray(istream);
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// compare the encoder's output to the reference file.
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compareArrays(encodedBytes, referenceBytes);
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/* ========== 17 ========== */
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testnum++;
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testdesc = "test cropping a JPG without a given height";
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// we'll reuse the container from the previous test
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istream = imgTools.encodeCroppedImage(container, "image/jpeg", 0, 0, 16, 0);
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encodedBytes = streamToArray(istream);
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// Get bytes for exected result
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refName = "image2jpg16x32cropped3.jpg";
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refFile = do_get_file(refName);
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istream = getFileInputStream(refFile);
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Assert.equal(istream.available(), 1127);
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referenceBytes = streamToArray(istream);
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// compare the encoder's output to the reference file.
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compareArrays(encodedBytes, referenceBytes);
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/* ========== 18 ========== */
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testnum++;
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testdesc = "test cropping a JPG without a given width";
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// we'll reuse the container from the previous test
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istream = imgTools.encodeCroppedImage(container, "image/jpeg", 0, 0, 0, 16);
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encodedBytes = streamToArray(istream);
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// Get bytes for exected result
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refName = "image2jpg32x16cropped4.jpg";
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refFile = do_get_file(refName);
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istream = getFileInputStream(refFile);
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Assert.equal(istream.available(), 1135);
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referenceBytes = streamToArray(istream);
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// compare the encoder's output to the reference file.
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compareArrays(encodedBytes, referenceBytes);
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/* ========== 19 ========== */
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testnum++;
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testdesc = "test cropping a JPG without a given width and height";
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// we'll reuse the container from the previous test
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istream = imgTools.encodeCroppedImage(container, "image/jpeg", 0, 0, 0, 0);
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encodedBytes = streamToArray(istream);
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// Get bytes for exected result
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refName = "image2jpg32x32.jpg";
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refFile = do_get_file(refName);
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istream = getFileInputStream(refFile);
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Assert.equal(istream.available(), 1634);
|
|
referenceBytes = streamToArray(istream);
|
|
|
|
// compare the encoder's output to the reference file.
|
|
compareArrays(encodedBytes, referenceBytes);
|
|
|
|
|
|
/* ========== 20 ========== */
|
|
testnum++;
|
|
testdesc = "test scaling a JPG without a given width";
|
|
|
|
// we'll reuse the container from the previous test
|
|
istream = imgTools.encodeScaledImage(container, "image/jpeg", 0, 16);
|
|
encodedBytes = streamToArray(istream);
|
|
|
|
// Get bytes for exected result
|
|
refName = "image2jpg32x16scaled.jpg";
|
|
refFile = do_get_file(refName);
|
|
istream = getFileInputStream(refFile);
|
|
Assert.equal(istream.available(), 1227);
|
|
referenceBytes = streamToArray(istream);
|
|
|
|
// compare the encoder's output to the reference file.
|
|
compareArrays(encodedBytes, referenceBytes);
|
|
|
|
|
|
/* ========== 21 ========== */
|
|
testnum++;
|
|
testdesc = "test scaling a JPG without a given height";
|
|
|
|
// we'll reuse the container from the previous test
|
|
istream = imgTools.encodeScaledImage(container, "image/jpeg", 16, 0);
|
|
encodedBytes = streamToArray(istream);
|
|
|
|
// Get bytes for exected result
|
|
refName = "image2jpg16x32scaled.jpg";
|
|
refFile = do_get_file(refName);
|
|
istream = getFileInputStream(refFile);
|
|
Assert.equal(istream.available(), 1219);
|
|
referenceBytes = streamToArray(istream);
|
|
|
|
// compare the encoder's output to the reference file.
|
|
compareArrays(encodedBytes, referenceBytes);
|
|
|
|
|
|
/* ========== 22 ========== */
|
|
testnum++;
|
|
testdesc = "test scaling a JPG without a given width and height";
|
|
|
|
// we'll reuse the container from the previous test
|
|
istream = imgTools.encodeScaledImage(container, "image/jpeg", 0, 0);
|
|
encodedBytes = streamToArray(istream);
|
|
|
|
// Get bytes for exected result
|
|
refName = "image2jpg32x32.jpg";
|
|
refFile = do_get_file(refName);
|
|
istream = getFileInputStream(refFile);
|
|
Assert.equal(istream.available(), 1634);
|
|
referenceBytes = streamToArray(istream);
|
|
|
|
// compare the encoder's output to the reference file.
|
|
compareArrays(encodedBytes, referenceBytes);
|
|
|
|
|
|
/* ========== 22 ========== */
|
|
testnum++;
|
|
testdesc = "test invalid arguments for cropping";
|
|
|
|
var numErrors = 0;
|
|
|
|
try {
|
|
// width/height can't be negative
|
|
imgTools.encodeScaledImage(container, "image/jpeg", -1, -1);
|
|
} catch (e) { numErrors++; }
|
|
|
|
try {
|
|
// offsets can't be negative
|
|
imgTools.encodeCroppedImage(container, "image/jpeg", -1, -1, 16, 16);
|
|
} catch (e) { numErrors++; }
|
|
|
|
try {
|
|
// width/height can't be negative
|
|
imgTools.encodeCroppedImage(container, "image/jpeg", 0, 0, -1, -1);
|
|
} catch (e) { numErrors++; }
|
|
|
|
try {
|
|
// out of bounds
|
|
imgTools.encodeCroppedImage(container, "image/jpeg", 17, 17, 16, 16);
|
|
} catch (e) { numErrors++; }
|
|
|
|
try {
|
|
// out of bounds
|
|
imgTools.encodeCroppedImage(container, "image/jpeg", 0, 0, 33, 33);
|
|
} catch (e) { numErrors++; }
|
|
|
|
try {
|
|
// out of bounds
|
|
imgTools.encodeCroppedImage(container, "image/jpeg", 1, 1, 0, 0);
|
|
} catch (e) { numErrors++; }
|
|
|
|
Assert.equal(numErrors, 6);
|
|
|
|
|
|
/* ========== bug 363986 ========== */
|
|
testnum = 363986;
|
|
testdesc = "test PNG and JPEG encoders' Read/ReadSegments methods";
|
|
|
|
var testData =
|
|
[{preImage: "image3.ico",
|
|
preImageMimeType: "image/x-icon",
|
|
refImage: "image3ico16x16.png",
|
|
refImageMimeType: "image/png"},
|
|
{preImage: "image1.png",
|
|
preImageMimeType: "image/png",
|
|
refImage: "image1png64x64.jpg",
|
|
refImageMimeType: "image/jpeg"}];
|
|
|
|
for(var i=0; i<testData.length; ++i) {
|
|
var dict = testData[i];
|
|
|
|
var imgFile = do_get_file(dict["refImage"]);
|
|
var istream = getFileInputStream(imgFile);
|
|
var refBytes = streamToArray(istream);
|
|
|
|
imgFile = do_get_file(dict["preImage"]);
|
|
istream = getFileInputStream(imgFile);
|
|
|
|
var buffer = NetUtil.readInputStreamToString(istream, istream.available());
|
|
var container = imgTools.decodeImageFromBuffer(buffer, buffer.length,
|
|
dict["preImageMimeType"]);
|
|
|
|
istream = imgTools.encodeImage(container, dict["refImageMimeType"]);
|
|
|
|
var sstream = Cc["@mozilla.org/storagestream;1"].
|
|
createInstance(Ci.nsIStorageStream);
|
|
sstream.init(4096, 4294967295, null);
|
|
var ostream = sstream.getOutputStream(0);
|
|
var bostream = Cc["@mozilla.org/network/buffered-output-stream;1"].
|
|
createInstance(Ci.nsIBufferedOutputStream);
|
|
|
|
//use a tiny buffer to make sure the image data doesn't fully fit in it
|
|
bostream.init(ostream, 8);
|
|
|
|
bostream.writeFrom(istream, istream.available());
|
|
bostream.flush(); bostream.close();
|
|
|
|
var encBytes = streamToArray(sstream.newInputStream(0));
|
|
|
|
compareArrays(refBytes, encBytes);
|
|
}
|
|
|
|
|
|
/* ========== bug 413512 ========== */
|
|
testnum = 413512;
|
|
testdesc = "test decoding bad favicon (bug 413512)";
|
|
|
|
imgName = "bug413512.ico";
|
|
inMimeType = "image/x-icon";
|
|
imgFile = do_get_file(imgName);
|
|
|
|
istream = getFileInputStream(imgFile);
|
|
Assert.equal(istream.available(), 17759);
|
|
var errsrc = "none";
|
|
|
|
try {
|
|
buffer = NetUtil.readInputStreamToString(istream, istream.available());
|
|
container = imgTools.decodeImageFromBuffer(buffer, buffer.length, inMimeType);
|
|
|
|
// We expect to hit an error during encoding because the ICO header of the
|
|
// image is fine, but the actual resources are corrupt. Since
|
|
// decodeImageFromBuffer() only performs a metadata decode, it doesn't decode
|
|
// far enough to realize this, but we'll find out when we do a full decode
|
|
// during encodeImage().
|
|
try {
|
|
istream = imgTools.encodeImage(container, "image/png");
|
|
} catch (e) {
|
|
err = e;
|
|
errsrc = "encode";
|
|
}
|
|
} catch (e) {
|
|
err = e;
|
|
errsrc = "decode";
|
|
}
|
|
|
|
Assert.equal(errsrc, "encode");
|
|
checkExpectedError(/NS_ERROR_FAILURE/, err);
|
|
|
|
|
|
/* ========== bug 815359 ========== */
|
|
testnum = 815359;
|
|
testdesc = "test correct ico hotspots (bug 815359)";
|
|
|
|
imgName = "bug815359.ico";
|
|
inMimeType = "image/x-icon";
|
|
imgFile = do_get_file(imgName);
|
|
|
|
istream = getFileInputStream(imgFile);
|
|
Assert.equal(istream.available(), 4286);
|
|
|
|
buffer = NetUtil.readInputStreamToString(istream, istream.available());
|
|
container = imgTools.decodeImageFromBuffer(buffer, buffer.length, inMimeType);
|
|
|
|
var props = container.QueryInterface(Ci.nsIProperties);
|
|
|
|
Assert.equal(props.get("hotspotX", Ci.nsISupportsPRUint32).data, 10);
|
|
Assert.equal(props.get("hotspotY", Ci.nsISupportsPRUint32).data, 9);
|
|
|
|
|
|
/* ========== end ========== */
|
|
|
|
} catch (e) {
|
|
throw "FAILED in test #" + testnum + " -- " + testdesc + ": " + e;
|
|
}
|
|
};
|