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var kSerializedScriptValueVersion = 9;
function forVersion(version, values) {
var versionTag = 0xff;
var versionPrefix = [ (version << 8) | versionTag ];
return versionPrefix.concat(values)
}
function expectBufferValue(bytesPerElement, expectedValues, buffer) {
expectedBufferValues = expectedValues;
var arrayClass;
if (bytesPerElement == 1)
arrayClass = Uint8Array;
else
arrayClass = Uint16Array;
bufferView = new arrayClass(buffer);
shouldBe("bufferView.length", "expectedBufferValues.length");
var success = (bufferView.length == expectedBufferValues.length);
if (success) {
for (var i = 0; i < expectedValues.length; i++) {
if (expectedValues[i] != bufferView[i]) {
testFailed("ArrayBufferViews differ at index " + i + ". Should be " + expectedValues[i] + ". Was " + bufferView[i]);
success = false;
break;
}
}
}
if (!success) {
// output the full buffer for adding back into the test
var output = [];
for (i = 0; i < bufferView.length; i++) {
var hexVal = bufferView[i].toString(16);
if (hexVal.length < bytesPerElement * 2) {
hexVal = "0000".slice(hexVal.length, bytesPerElement * 2) + hexVal;
}
output.push("0x" + hexVal);
}
debug("Actual buffer: [" + output.join(", ") + "]");
}
}
function makeBuffer(bytesPerElement, serializedValues) {
var arrayClass;
if (bytesPerElement == 1)
arrayClass = Uint8Array;
else
arrayClass = Uint16Array;
var bufferView = new arrayClass(new ArrayBuffer(serializedValues.length * bytesPerElement));
for (var i = 0; i < serializedValues.length; i++) {
bufferView[i] = serializedValues[i];
}
return bufferView.buffer;
}
function areValuesIdentical(a, b) {
function sortObject(object) {
if (typeof object != "object" || object === null)
return object;
return Object.keys(object).sort().map(function(key) {
return { key: key, value: sortObject(object[key]) };
});
}
var jsonA = JSON.stringify(sortObject(a));
var jsonB = JSON.stringify(sortObject(b));
if (jsonA != jsonB) {
debug("areValuesIdentical will fail");
debug("object A: " + jsonA);
debug("object B: " + jsonB);
}
return JSON.stringify(sortObject(a)) === JSON.stringify(sortObject(b));
}
function _testSerialization(bytesPerElement, obj, values, oldFormat, serializeExceptionValue) {
debug("");
values = forVersion(kSerializedScriptValueVersion, values);
if (!serializeExceptionValue) {
self.obj = obj;
debug("Deserialize to " + JSON.stringify(obj) + ":");
self.newObj = internals.deserializeBuffer(makeBuffer(bytesPerElement, values));
shouldBe("JSON.stringify(newObj)", "JSON.stringify(obj)");
shouldBeTrue("areValuesIdentical(newObj, obj)");
if (oldFormat) {
self.newObj = internals.deserializeBuffer(makeBuffer(bytesPerElement, oldFormat));
shouldBe("JSON.stringify(newObj)", "JSON.stringify(obj)");
shouldBeTrue("areValuesIdentical(newObj, obj)");
}
}
debug("Serialize " + JSON.stringify(obj) + ":");
try {
var serialized = internals.serializeObject(obj);
if (serializeExceptionValue) {
testFailed("Should have thrown an exception of type ", serializeExceptionValue);
}
} catch(e) {
if (!serializeExceptionValue) {
testFailed("Threw exception " + e);
return;
} else {
self.thrownException = e;
self.expectedException = serializeExceptionValue;
shouldBe("thrownException.code", "expectedException");
return;
}
}
expectBufferValue(bytesPerElement, values, serialized);
}
function testBlobSerialization() {
debug("");
self.blobObj1 = new Blob(['Hi'], {type: 'text/plain'});
self.blobObj2 = internals.deserializeBuffer(internals.serializeObject(blobObj1));
shouldBeTrue("areValuesIdentical(blobObj1, blobObj2)");
self.dictionaryWithBlob1 = {blob: blobObj1, string: 'stringValue'};
self.dictionaryWithBlob2 = internals.deserializeBuffer(internals.serializeObject(dictionaryWithBlob1));
shouldBeTrue("areValuesIdentical(dictionaryWithBlob1, dictionaryWithBlob2)");
// Compare contents too.
var xhr1 = new XMLHttpRequest();
xhr1.open("GET", URL.createObjectURL(self.blobObj1), false);
xhr1.send();
self.blobContent1 = xhr1.response;
var xhr2 = new XMLHttpRequest();
xhr2.open("GET", URL.createObjectURL(self.blobObj2), false);
xhr2.send();
self.blobContent2 = xhr2.response;
shouldBe("self.blobContent1", "self.blobContent2");
}
function _testFileSerialization(sourceFile, done) {
function checkIfSameContent(file1, file2, continuation) {
function step1() {
var fileReader = new FileReader();
fileReader.onload = function () {
self.fileContents1 = fileReader.result;
step2();
};
fileReader.onerror = function () {
testFailed("could not read file1. " + fileReader.error.message);
done();
}
fileReader.readAsText(file1);
}
function step2() {
var fileReader = new FileReader();
fileReader.onload = function () {
self.fileContents2 = fileReader.result;
finish();
};
fileReader.onerror = function () {
testFailed("could not read file2. " + fileReader.error.message);
done();
}
fileReader.readAsText(file2);
}
function finish() {
shouldBe("self.fileContents1", "self.fileContents2");
continuation();
}
step1();
}
self.fileObj1 = sourceFile;
self.fileObj2 = internals.deserializeBuffer(internals.serializeObject(self.fileObj1));
shouldBeTrue("areValuesIdentical(fileObj1, fileObj2)");
self.dictionaryWithFile1 = {file: fileObj1, string: 'stringValue'};
self.dictionaryWithFile2 = internals.deserializeBuffer(internals.serializeObject(dictionaryWithFile1));
shouldBeTrue("areValuesIdentical(dictionaryWithFile1, dictionaryWithFile2)");
// Read and compare actual contents.
checkIfSameContent(self.fileObj1, self.fileObj2, done);
}
function testConstructedFileSerialization(done) {
debug("");
debug("Files created using the File constructor");
self.sourceFile = new File(['The', ' contents'], 'testfile.txt', {type: 'text/plain', lastModified: 0});
_testFileSerialization(sourceFile, done);
}
function testUserSelectedFileSerialization(done) {
debug("");
debug("Files selected by the user in an <input type='file'>");
var fileInput = document.getElementById("fileInput");
fileInput.addEventListener("change", function () {
self.sourceFile = fileInput.files.item(0);
_testFileSerialization(sourceFile, done);
});
eventSender.beginDragWithFiles(["resources/file.txt"]);
var centerX = fileInput.offsetLeft + fileInput.offsetWidth / 2;
var centerY = fileInput.offsetTop + fileInput.offsetHeight / 2;
eventSender.mouseMoveTo(centerX, centerY);
eventSender.mouseUp();
}
function testFileSerialization() {
window.jsTestIsAsync = true;
testConstructedFileSerialization(function () {
testUserSelectedFileSerialization(function () {
finishJSTest();
});
});
}
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