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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/ipc/tests/test_blob_sliced_from_parent_process.html
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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+<!DOCTYPE html>
+<html>
+ <head>
+ <title>Test for slicing blobs that originated in a parent 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";
+
+ const { classes: Cc, interfaces: Ci } = Components;
+
+ const messageName = "test:blob-slice-test";
+ const blobData = ["So", " ", "many", " ", "blobs!"];
+ const blobText = blobData.join("");
+ const blobType = "text/plain";
+
+ const sliceText = "an";
+
+ function info(msg) {
+ sendAsyncMessage(messageName, { op: "info", msg: msg });
+ }
+
+ function ok(condition, name, diag) {
+ sendAsyncMessage(messageName,
+ { op: "ok",
+ condition: condition,
+ name: name,
+ diag: diag });
+ }
+
+ function is(a, b, name) {
+ let pass = a == b;
+ let diag = pass ? "" : "got " + a + ", expected " + b;
+ ok(pass, name, diag);
+ }
+
+ function finish(result) {
+ sendAsyncMessage(messageName, { op: "done", result: result });
+ }
+
+ function grabAndContinue(arg) {
+ testGenerator.send(arg);
+ }
+
+ function testSteps() {
+ addMessageListener(messageName, grabAndContinue);
+ let message = yield undefined;
+
+ let blob = message.data;
+
+ ok(blob instanceof Ci.nsIDOMBlob, "Received a Blob");
+ is(blob.size, blobText.length, "Blob has correct length");
+ is(blob.type, blobType, "Blob has correct type");
+
+ info("Reading blob");
+
+ let reader = new FileReader();
+ reader.addEventListener("load", grabAndContinue);
+ reader.readAsText(blob);
+
+ yield undefined;
+
+ is(reader.result, blobText, "Blob has correct data");
+
+ let firstSliceStart = blobData[0].length + blobData[1].length;
+ let firstSliceEnd = firstSliceStart + blobData[2].length;
+
+ let slice = blob.slice(firstSliceStart, firstSliceEnd, blobType);
+
+ ok(slice instanceof Ci.nsIDOMBlob, "Slice returned a Blob");
+ is(slice.size, blobData[2].length, "Slice has correct length");
+ is(slice.type, blobType, "Slice has correct type");
+
+ info("Reading slice");
+
+ reader = new FileReader();
+ reader.addEventListener("load", grabAndContinue);
+ reader.readAsText(slice);
+
+ yield undefined;
+
+ is(reader.result, blobData[2], "Slice has correct data");
+
+ let secondSliceStart = blobData[2].indexOf("a");
+ let secondSliceEnd = secondSliceStart + sliceText.length;
+
+ slice = slice.slice(secondSliceStart, secondSliceEnd, blobType);
+
+ ok(slice instanceof Ci.nsIDOMBlob, "Second slice returned a Blob");
+ is(slice.size, sliceText.length, "Second slice has correct length");
+ is(slice.type, blobType, "Second slice has correct type");
+
+ info("Sending second slice");
+ finish(slice);
+
+ yield undefined;
+ }
+
+ let testGenerator = testSteps();
+ testGenerator.next();
+}
+
+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";
+
+ function grabAndContinue(arg) {
+ testGenerator.send(arg);
+ }
+
+ function testSteps() {
+ let slice = yield undefined;
+
+ ok(slice instanceof Blob, "Received a Blob");
+ is(slice.size, sliceText.length, "Slice has correct size");
+ is(slice.type, blobType, "Slice has correct type");
+
+ let reader = new FileReader();
+ reader.onload = grabAndContinue;
+ reader.readAsText(slice);
+ yield undefined;
+
+ is(reader.result, sliceText, "Slice has correct data");
+ SimpleTest.finish();
+
+ yield undefined;
+ }
+
+ let testGenerator = testSteps();
+ testGenerator.next();
+
+ mm.addMessageListener(messageName, function(message) {
+ let data = message.data;
+ switch (data.op) {
+ case "info": {
+ info(data.msg);
+ break;
+ }
+
+ case "ok": {
+ ok(data.condition, data.name, data.diag);
+ break;
+ }
+
+ case "done": {
+ testGenerator.send(data.result);
+ break;
+ }
+
+ default: {
+ ok(false, "Unknown op: " + data.op);
+ SimpleTest.finish();
+ }
+ }
+ });
+
+ mm.loadFrameScript("data:,(" + childFrameScript.toString() + ")();",
+ false);
+
+ let blob = new Blob(blobData, { type: blobType });
+ mm.sendAsyncMessage(messageName, blob);
+}
+
+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>
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