gecko/toolkit/components/places/tests/favicons/test_favicons_conversions.js

132 lines
4.8 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* This file tests the image conversions done by the favicon service.
*/
////////////////////////////////////////////////////////////////////////////////
/// Globals
// The pixel values we get on Windows are sometimes +/- 1 value compared to
// other platforms, so we need to skip some image content tests.
let isWindows = ("@mozilla.org/windows-registry-key;1" in Cc);
/**
* Checks the conversion of the given test image file.
*
* @param aFileName
* File that contains the favicon image, located in the test folder.
* @param aFileMimeType
* MIME type of the image contained in the file.
* @param aFileLength
* Expected length of the file.
* @param aExpectConversion
* If false, the icon should be stored as is. If true, the expected data
* is loaded from a file named "expected-" + aFileName + ".png".
* @param aVaryOnWindows
* Indicates that the content of the converted image can be different on
* Windows and should not be checked on that platform.
* @param aCallback
* This function is called after the check finished.
*/
function checkFaviconDataConversion(aFileName, aFileMimeType, aFileLength,
aExpectConversion, aVaryOnWindows,
aCallback) {
let pageURI = NetUtil.newURI("http://places.test/page/" + aFileName);
promiseAddVisits({ uri: pageURI, transition: TRANSITION_TYPED }).then(
function () {
let faviconURI = NetUtil.newURI("http://places.test/icon/" + aFileName);
let fileData = readFileOfLength(aFileName, aFileLength);
PlacesUtils.favicons.replaceFaviconData(faviconURI, fileData, fileData.length,
aFileMimeType);
PlacesUtils.favicons.setAndFetchFaviconForPage(pageURI, faviconURI, true,
PlacesUtils.favicons.FAVICON_LOAD_NON_PRIVATE,
function CFDC_verify(aURI, aDataLen, aData, aMimeType) {
if (!aExpectConversion) {
do_check_true(compareArrays(aData, fileData));
do_check_eq(aMimeType, aFileMimeType);
} else {
if (!aVaryOnWindows || !isWindows) {
let expectedFile = do_get_file("expected-" + aFileName + ".png");
do_check_true(compareArrays(aData, readFileData(expectedFile)));
}
do_check_eq(aMimeType, "image/png");
}
aCallback();
});
});
}
////////////////////////////////////////////////////////////////////////////////
/// Tests
function run_test() {
run_next_test();
}
add_test(function test_storing_a_normal_16x16_icon() {
// 16x16 png, 286 bytes.
checkFaviconDataConversion("favicon-normal16.png", "image/png", 286,
false, false, run_next_test);
});
add_test(function test_storing_a_normal_32x32_icon() {
// 32x32 png, 344 bytes.
checkFaviconDataConversion("favicon-normal32.png", "image/png", 344,
false, false, run_next_test);
});
add_test(function test_storing_an_oversize_16x16_icon() {
// in: 16x16 ico, 1406 bytes.
// out: 16x16 png
checkFaviconDataConversion("favicon-big16.ico", "image/x-icon", 1406,
true, false, run_next_test);
});
add_test(function test_storing_an_oversize_4x4_icon() {
// in: 4x4 jpg, 4751 bytes.
// out: 16x16 png
checkFaviconDataConversion("favicon-big4.jpg", "image/jpeg", 4751,
true, false, run_next_test);
});
add_test(function test_storing_an_oversize_32x32_icon() {
// in: 32x32 jpg, 3494 bytes.
// out: 16x16 png
checkFaviconDataConversion("favicon-big32.jpg", "image/jpeg", 3494,
true, true, run_next_test);
});
add_test(function test_storing_an_oversize_48x48_icon() {
// in: 48x48 ico, 56646 bytes.
// (howstuffworks.com icon, contains 13 icons with sizes from 16x16 to
// 48x48 in varying depths)
// out: 16x16 png
checkFaviconDataConversion("favicon-big48.ico", "image/x-icon", 56646,
true, false, run_next_test);
});
add_test(function test_storing_an_oversize_64x64_icon() {
// in: 64x64 png, 10698 bytes.
// out: 16x16 png
checkFaviconDataConversion("favicon-big64.png", "image/png", 10698,
true, false, run_next_test);
});
add_test(function test_scaling_an_oversize_160x3_icon() {
// in: 160x3 jpg, 5095 bytes.
// out: 16x16 png
checkFaviconDataConversion("favicon-scale160x3.jpg", "image/jpeg", 5095,
true, false, run_next_test);
});
add_test(function test_scaling_an_oversize_3x160_icon() {
// in: 3x160 jpg, 5059 bytes.
// out: 16x16 png
checkFaviconDataConversion("favicon-scale3x160.jpg", "image/jpeg", 5059,
true, false, run_next_test);
});