<!DOCTYPE html>
<html>
<head>
<title>Test for slicing blobs that originated in a child process</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js">
</script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body onload="setup();">
<script type="application/javascript;version=1.7">
"use strict";
function childFrameScript() {
"use strict";
Components.utils.importGlobalProperties(["Blob"]);
const messageName = "test:blob-slice-test";
const blobData = ["So", " ", "many", " ", "blobs!"];
const blobText = blobData.join("");
const blobType = "text/plain";
let blob = new Blob(blobData, { type: blobType });
let sliceText = blobData[2][1] + blobData[2][2];
let sliceIndex = blobText.indexOf(sliceText);
let firstSliceStart = blobData[0].length + blobData[1].length;
let firstSliceEnd = firstSliceStart + blobData[2].length;
let slice = blob.slice(firstSliceStart, firstSliceEnd, blobType);
let secondSliceStart = blobData[2].indexOf("a");
let secondSliceEnd = secondSliceStart + 2;
slice = slice.slice(secondSliceStart, secondSliceEnd, blobType);
sendAsyncMessage(messageName, { blob: blob });
sendAsyncMessage(messageName, { slice: slice });
}
function parentFrameScript(mm) {
const messageName = "test:blob-slice-test";
const blobData = ["So", " ", "many", " ", "blobs!"];
const blobText = blobData.join("");
const blobType = "text/plain";
const sliceText = "an";
let receivedBlob = false;
let receivedSlice = false;
let finishedTestingBlob = false;
let finishedTestingSlice = false;
mm.addMessageListener(messageName, function(message) {
if ("blob" in message.data) {
is(receivedBlob, false, "Have not yet received Blob");
is(receivedSlice, false, "Have not yet received Slice");
is(finishedTestingBlob, false, "Have not yet finished testing Blob");
is(finishedTestingSlice, false, "Have not yet finished testing Slice");
receivedBlob = true;
let blob = message.data.blob;
ok(blob instanceof Blob, "Received a Blob");
is(blob.size, blobText.length, "Blob has correct size");
is(blob.type, blobType, "Blob has correct type");
let slice = blob.slice(blobText.length -
blobData[blobData.length - 1].length,
blob.size,
blobType);
ok(slice instanceof Blob, "Slice returned a Blob");
is(slice.size,
blobData[blobData.length - 1].length,
"Slice has correct size");
is(slice.type, blobType, "Slice has correct type");
let reader = new FileReader();
reader.onload = function() {
is(reader.result,
blobData[blobData.length - 1],
"Slice has correct data");
finishedTestingBlob = true;
if (finishedTestingSlice) {
SimpleTest.finish();
}
};
reader.readAsText(slice);
return;
}
if ("slice" in message.data) {
is(receivedBlob, true, "Already received Blob");
is(receivedSlice, false, "Have not yet received Slice");
is(finishedTestingSlice, false, "Have not yet finished testing Slice");
receivedSlice = true;
let slice = message.data.slice;
ok(slice instanceof Blob, "Received a Blob for slice");
is(slice.size, sliceText.length, "Slice has correct size");
is(slice.type, blobType, "Slice has correct type");
let reader = new FileReader();
reader.onload = function() {
is(reader.result, sliceText, "Slice has correct data");
let slice2 = slice.slice(1, 2, blobType);
ok(slice2 instanceof Blob, "Slice returned a Blob");
is(slice2.size, 1, "Slice has correct size");
is(slice2.type, blobType, "Slice has correct type");
let reader2 = new FileReader();
reader2.onload = function() {
is(reader2.result, sliceText[1], "Slice has correct data");
finishedTestingSlice = true;
if (finishedTestingBlob) {
SimpleTest.finish();
}
};
reader2.readAsText(slice2);
};
reader.readAsText(slice);
return;
}
ok(false, "Received a bad message: " + JSON.stringify(message.data));
});
mm.loadFrameScript("data:,(" + childFrameScript.toString() + ")();",
false);
}
function setup() {
info("Got load event");
SpecialPowers.pushPrefEnv(
{ set: [ ["dom.ipc.browser_frames.oop_by_default", true],
["dom.mozBrowserFramesEnabled", true],
["network.disable.ipc.security", true],
["browser.pagethumbnails.capturing_disabled", true] ] },
function() {
info("Prefs set");
SpecialPowers.pushPermissions(
[ { type: "browser", allow: true, context: document } ],
function() {
info("Permissions set");
let iframe = document.createElement("iframe");
SpecialPowers.wrap(iframe).mozbrowser = true;
iframe.id = "iframe";
iframe.src =
"data:text/html,<!DOCTYPE HTML><html><body></body></html>";
iframe.addEventListener("mozbrowserloadend", function() {
info("Starting tests");
let mm = SpecialPowers.getBrowserFrameMessageManager(iframe)
parentFrameScript(mm);
});
document.body.appendChild(iframe);
}
);
}
);
}
SimpleTest.waitForExplicitFinish();
</script>
</body>
</html>