зеркало из https://github.com/mozilla/gecko-dev.git
218 строки
5.6 KiB
HTML
218 строки
5.6 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<title>Test for slicing blobs that originated in a parent process</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js">
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</script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body onload="setup();">
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<script type="application/javascript;version=1.7">
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"use strict";
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function childFrameScript() {
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"use strict";
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const { classes: Cc, interfaces: Ci } = Components;
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const messageName = "test:blob-slice-test";
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const blobData = ["So", " ", "many", " ", "blobs!"];
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const blobText = blobData.join("");
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const blobType = "text/plain";
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const sliceText = "an";
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function info(msg) {
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sendAsyncMessage(messageName, { op: "info", msg: msg });
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}
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function ok(condition, name, diag) {
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sendAsyncMessage(messageName,
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{ op: "ok",
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condition: condition,
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name: name,
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diag: diag });
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}
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function is(a, b, name) {
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let pass = a == b;
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let diag = pass ? "" : "got " + a + ", expected " + b;
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ok(pass, name, diag);
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}
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function finish(result) {
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sendAsyncMessage(messageName, { op: "done", result: result });
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}
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function createFileReader() {
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return Cc["@mozilla.org/files/filereader;1"]
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.createInstance(Ci.nsIDOMFileReader);
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}
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function grabAndContinue(arg) {
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testGenerator.send(arg);
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}
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function testSteps() {
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addMessageListener(messageName, grabAndContinue);
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let message = yield undefined;
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let blob = message.data;
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ok(blob instanceof Ci.nsIDOMBlob, "Received a Blob");
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is(blob.size, blobText.length, "Blob has correct length");
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is(blob.type, blobType, "Blob has correct type");
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info("Reading blob");
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let reader = createFileReader();
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reader.addEventListener("load", grabAndContinue);
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reader.readAsText(blob);
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yield undefined;
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is(reader.result, blobText, "Blob has correct data");
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let firstSliceStart = blobData[0].length + blobData[1].length;
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let firstSliceEnd = firstSliceStart + blobData[2].length;
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let slice = blob.slice(firstSliceStart, firstSliceEnd, blobType);
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ok(slice instanceof Ci.nsIDOMBlob, "Slice returned a Blob");
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is(slice.size, blobData[2].length, "Slice has correct length");
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is(slice.type, blobType, "Slice has correct type");
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info("Reading slice");
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reader = createFileReader();
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reader.addEventListener("load", grabAndContinue);
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reader.readAsText(slice);
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yield undefined;
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is(reader.result, blobData[2], "Slice has correct data");
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let secondSliceStart = blobData[2].indexOf("a");
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let secondSliceEnd = secondSliceStart + sliceText.length;
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slice = slice.slice(secondSliceStart, secondSliceEnd, blobType);
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ok(slice instanceof Ci.nsIDOMBlob, "Second slice returned a Blob");
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is(slice.size, sliceText.length, "Second slice has correct length");
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is(slice.type, blobType, "Second slice has correct type");
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info("Sending second slice");
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finish(slice);
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yield undefined;
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}
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let testGenerator = testSteps();
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testGenerator.next();
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}
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function parentFrameScript(mm) {
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const messageName = "test:blob-slice-test";
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const blobData = ["So", " ", "many", " ", "blobs!"];
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const blobText = blobData.join("");
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const blobType = "text/plain";
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const sliceText = "an";
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function grabAndContinue(arg) {
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testGenerator.send(arg);
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}
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function testSteps() {
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let slice = yield undefined;
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ok(slice instanceof Blob, "Received a Blob");
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is(slice.size, sliceText.length, "Slice has correct size");
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is(slice.type, blobType, "Slice has correct type");
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let reader = new FileReader();
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reader.onload = grabAndContinue;
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reader.readAsText(slice);
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yield undefined;
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is(reader.result, sliceText, "Slice has correct data");
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SimpleTest.finish();
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yield undefined;
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}
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let testGenerator = testSteps();
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testGenerator.next();
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mm.addMessageListener(messageName, function(message) {
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let data = message.data;
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switch (data.op) {
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case "info": {
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info(data.msg);
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break;
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}
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case "ok": {
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ok(data.condition, data.name, data.diag);
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break;
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}
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case "done": {
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testGenerator.send(data.result);
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break;
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}
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default: {
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ok(false, "Unknown op: " + data.op);
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SimpleTest.finish();
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}
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}
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});
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mm.loadFrameScript("data:,(" + childFrameScript.toString() + ")();",
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false);
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let blob = new Blob(blobData, { type: blobType });
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mm.sendAsyncMessage(messageName, blob);
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}
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function setup() {
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info("Got load event");
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SpecialPowers.pushPrefEnv(
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{ set: [ ["dom.ipc.browser_frames.oop_by_default", true],
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["dom.mozBrowserFramesEnabled", true],
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["browser.pagethumbnails.capturing_disabled", true] ] },
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function() {
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info("Prefs set");
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SpecialPowers.pushPermissions(
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[ { type: "browser", allow: true, context: document } ],
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function() {
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info("Permissions set");
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let iframe = document.createElement("iframe");
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SpecialPowers.wrap(iframe).mozbrowser = true;
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iframe.id = "iframe";
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iframe.src =
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"data:text/html,<!DOCTYPE HTML><html><body></body></html>";
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iframe.addEventListener("mozbrowserloadend", function() {
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info("Starting tests");
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let mm = SpecialPowers.getBrowserFrameMessageManager(iframe)
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parentFrameScript(mm);
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});
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document.body.appendChild(iframe);
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}
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);
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}
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);
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}
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SimpleTest.waitForExplicitFinish();
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</script>
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</body>
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</html>
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