Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
- Manifest: dom/file/ipc/tests/browser.toml
/* -*- Mode: javascript; tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
requestLongerTimeout(3);
// More than 1mb memory blob childA-parent-childB.
add_task(async function test_CtoPtoC_big() {
let tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, BASE_URI);
let browser1 = gBrowser.getBrowserForTab(tab1);
let blob = await SpecialPowers.spawn(browser1, [], function () {
let innerBlob = new Blob([new Array(1024 * 1024).join("123456789ABCDEF")]);
return innerBlob;
});
ok(blob, "CtoPtoC-big: We have a blob!");
is(
blob.size,
new Array(1024 * 1024).join("123456789ABCDEF").length,
"CtoPtoC-big: The size matches"
);
let tab2 = await BrowserTestUtils.openNewForegroundTab(gBrowser, BASE_URI);
let browser2 = gBrowser.getBrowserForTab(tab2);
let status = await SpecialPowers.spawn(
browser2,
[blob],
function (innerBlob) {
return new Promise(resolve => {
let fr = new content.FileReader();
fr.readAsText(innerBlob);
fr.onloadend = function () {
resolve(fr.result == new Array(1024 * 1024).join("123456789ABCDEF"));
};
});
}
);
ok(status, "CtoPtoC-big: Data match!");
BrowserTestUtils.removeTab(tab1);
BrowserTestUtils.removeTab(tab2);
});
// Less than 1mb memory blob childA-parent-childB.
add_task(async function test_CtoPtoC_small() {
let tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, BASE_URI);
let browser1 = gBrowser.getBrowserForTab(tab1);
let blob = await SpecialPowers.spawn(browser1, [], function () {
let innerBlob = new Blob(["hello world!"]);
return innerBlob;
});
ok(blob, "CtoPtoC-small: We have a blob!");
is(blob.size, "hello world!".length, "CtoPtoC-small: The size matches");
let tab2 = await BrowserTestUtils.openNewForegroundTab(gBrowser, BASE_URI);
let browser2 = gBrowser.getBrowserForTab(tab2);
let status = await SpecialPowers.spawn(
browser2,
[blob],
function (innerBlob) {
return new Promise(resolve => {
let fr = new content.FileReader();
fr.readAsText(innerBlob);
fr.onloadend = function () {
resolve(fr.result == "hello world!");
};
});
}
);
ok(status, "CtoPtoC-small: Data match!");
BrowserTestUtils.removeTab(tab1);
BrowserTestUtils.removeTab(tab2);
});
// More than 1mb memory blob childA-parent-childB: BroadcastChannel
add_task(async function test_CtoPtoC_bc_big() {
let tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, BASE_URI);
let browser1 = gBrowser.getBrowserForTab(tab1);
await SpecialPowers.spawn(browser1, [], function () {
var bc = new content.BroadcastChannel("test");
bc.onmessage = function () {
bc.postMessage(
new Blob([new Array(1024 * 1024).join("123456789ABCDEF")])
);
};
});
let tab2 = await BrowserTestUtils.openNewForegroundTab(gBrowser, BASE_URI);
let browser2 = gBrowser.getBrowserForTab(tab2);
let status = await SpecialPowers.spawn(browser2, [], function () {
return new Promise(resolve => {
var bc = new content.BroadcastChannel("test");
bc.onmessage = function (e) {
let fr = new content.FileReader();
fr.readAsText(e.data);
fr.onloadend = function () {
resolve(fr.result == new Array(1024 * 1024).join("123456789ABCDEF"));
};
};
bc.postMessage("GO!");
});
});
ok(status, "CtoPtoC-broadcastChannel-big: Data match!");
BrowserTestUtils.removeTab(tab1);
BrowserTestUtils.removeTab(tab2);
});
// Less than 1mb memory blob childA-parent-childB: BroadcastChannel
add_task(async function test_CtoPtoC_bc_small() {
let tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, BASE_URI);
let browser1 = gBrowser.getBrowserForTab(tab1);
await SpecialPowers.spawn(browser1, [], function () {
var bc = new content.BroadcastChannel("test");
bc.onmessage = function () {
bc.postMessage(new Blob(["hello world!"]));
};
});
let tab2 = await BrowserTestUtils.openNewForegroundTab(gBrowser, BASE_URI);
let browser2 = gBrowser.getBrowserForTab(tab2);
let status = await SpecialPowers.spawn(browser2, [], function () {
return new Promise(resolve => {
var bc = new content.BroadcastChannel("test");
bc.onmessage = function (e) {
let fr = new content.FileReader();
fr.readAsText(e.data);
fr.onloadend = function () {
resolve(fr.result == "hello world!");
};
};
bc.postMessage("GO!");
});
});
ok(status, "CtoPtoC-broadcastChannel-small: Data match!");
BrowserTestUtils.removeTab(tab1);
BrowserTestUtils.removeTab(tab2);
});
// blob URL childA-parent-childB
add_task(async function test_CtoPtoC_bc_small() {
let tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, BASE_URI);
let browser1 = gBrowser.getBrowserForTab(tab1);
let blobURL = await SpecialPowers.spawn(browser1, [], function () {
return content.URL.createObjectURL(new content.Blob(["hello world!"]));
});
let tab2 = await BrowserTestUtils.openNewForegroundTab(gBrowser, BASE_URI);
let browser2 = gBrowser.getBrowserForTab(tab2);
let status = await SpecialPowers.spawn(
browser2,
[blobURL],
function (innerBlobURL) {
return new Promise(resolve => {
var xhr = new content.XMLHttpRequest();
xhr.open("GET", innerBlobURL);
xhr.onloadend = function () {
resolve(xhr.response == "hello world!");
};
xhr.send();
});
}
);
ok(status, "CtoPtoC-blobURL: Data match!");
BrowserTestUtils.removeTab(tab1);
BrowserTestUtils.removeTab(tab2);
});
// Multipart Blob childA-parent-childB.
add_task(async function test_CtoPtoC_multipart() {
let tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, BASE_URI);
let browser1 = gBrowser.getBrowserForTab(tab1);
let blob = await SpecialPowers.spawn(browser1, [], function () {
return new Blob(["!"]);
});
ok(blob, "CtoPtoC-multipart: We have a blob!");
is(blob.size, "!".length, "CtoPtoC-multipart: The size matches");
let newBlob = new Blob(["world", blob]);
let tab2 = await BrowserTestUtils.openNewForegroundTab(gBrowser, BASE_URI);
let browser2 = gBrowser.getBrowserForTab(tab2);
let status = await SpecialPowers.spawn(
browser2,
[newBlob],
function (innerBlob) {
return new Promise(resolve => {
let fr = new content.FileReader();
fr.readAsText(new Blob(["hello ", innerBlob]));
fr.onloadend = function () {
resolve(fr.result == "hello world!");
};
});
}
);
ok(status, "CtoPtoC-multipart: Data match!");
BrowserTestUtils.removeTab(tab1);
BrowserTestUtils.removeTab(tab2);
});
// Multipart Blob childA-parent with a max size
add_task(async function test_CtoPsize_multipart() {
let tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, BASE_URI);
let browser = gBrowser.getBrowserForTab(tab);
let blob = await SpecialPowers.spawn(browser, [], function () {
let data = new Array(1024 * 512).join("A");
let blob1 = new Blob([data]);
let blob2 = new Blob([data]);
let blob3 = new Blob([data]);
return new Blob([blob1, blob2, blob3]);
});
ok(blob, "CtoPsize-multipart: We have a blob!");
is(
blob.size,
new Array(1024 * 512).join("A").length * 3,
"CtoPsize-multipart: The size matches"
);
BrowserTestUtils.removeTab(tab);
});