зеркало из https://github.com/mozilla/gecko-dev.git
185 строки
5.4 KiB
HTML
185 строки
5.4 KiB
HTML
<!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 child 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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Components.utils.importGlobalProperties(["Blob"]);
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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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let blob = new Blob(blobData, { type: blobType });
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let sliceText = blobData[2][1] + blobData[2][2];
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let sliceIndex = blobText.indexOf(sliceText);
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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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let secondSliceStart = blobData[2].indexOf("a");
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let secondSliceEnd = secondSliceStart + 2;
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slice = slice.slice(secondSliceStart, secondSliceEnd, blobType);
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sendAsyncMessage(messageName, { blob: blob });
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sendAsyncMessage(messageName, { slice: slice });
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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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let receivedBlob = false;
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let receivedSlice = false;
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let finishedTestingBlob = false;
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let finishedTestingSlice = false;
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mm.addMessageListener(messageName, function(message) {
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if ("blob" in message.data) {
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is(receivedBlob, false, "Have not yet received Blob");
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is(receivedSlice, false, "Have not yet received Slice");
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is(finishedTestingBlob, false, "Have not yet finished testing Blob");
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is(finishedTestingSlice, false, "Have not yet finished testing Slice");
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receivedBlob = true;
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let blob = message.data.blob;
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ok(blob instanceof Blob, "Received a Blob");
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is(blob.size, blobText.length, "Blob has correct size");
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is(blob.type, blobType, "Blob has correct type");
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let slice = blob.slice(blobText.length -
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blobData[blobData.length - 1].length,
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blob.size,
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blobType);
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ok(slice instanceof Blob, "Slice returned a Blob");
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is(slice.size,
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blobData[blobData.length - 1].length,
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"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 = function() {
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is(reader.result,
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blobData[blobData.length - 1],
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"Slice has correct data");
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finishedTestingBlob = true;
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if (finishedTestingSlice) {
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SimpleTest.finish();
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}
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};
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reader.readAsText(slice);
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return;
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}
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if ("slice" in message.data) {
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is(receivedBlob, true, "Already received Blob");
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is(receivedSlice, false, "Have not yet received Slice");
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is(finishedTestingSlice, false, "Have not yet finished testing Slice");
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receivedSlice = true;
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let slice = message.data.slice;
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ok(slice instanceof Blob, "Received a Blob for slice");
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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 = function() {
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is(reader.result, sliceText, "Slice has correct data");
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let slice2 = slice.slice(1, 2, blobType);
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ok(slice2 instanceof Blob, "Slice returned a Blob");
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is(slice2.size, 1, "Slice has correct size");
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is(slice2.type, blobType, "Slice has correct type");
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let reader2 = new FileReader();
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reader2.onload = function() {
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is(reader2.result, sliceText[1], "Slice has correct data");
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finishedTestingSlice = true;
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if (finishedTestingBlob) {
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SimpleTest.finish();
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}
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};
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reader2.readAsText(slice2);
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};
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reader.readAsText(slice);
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return;
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}
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ok(false, "Received a bad message: " + JSON.stringify(message.data));
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});
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mm.loadFrameScript("data:,(" + childFrameScript.toString() + ")();",
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false);
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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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