Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(8)

Unified Diff: third_party/WebKit/LayoutTests/fast/events/message-port-transferables.html

Issue 2414333003: WebMessaging: Send transferable ArrayBuffers by copy-and-neuter semantics (Closed)
Patch Set: remake Created 4 years, 2 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: third_party/WebKit/LayoutTests/fast/events/message-port-transferables.html
diff --git a/third_party/WebKit/LayoutTests/fast/events/message-port-transferables.html b/third_party/WebKit/LayoutTests/fast/events/message-port-transferables.html
new file mode 100644
index 0000000000000000000000000000000000000000..3abe4ec1123d1c15013a95fd745fe9623bd3e70e
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/fast/events/message-port-transferables.html
@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<script src="../../resources/testharness.js"></script>
+<script src="../../resources/testharnessreport.js"></script>
+<body>
+<script>
+
+async_test(function(t) {
+ var message = "Hello, world!";
+ var text_encoder = new TextEncoder;
+ var text_decoder = new TextDecoder;
+
+ var channel = new MessageChannel;
+ channel.port1.onmessage = function(e) {
+ assert_equals(e.data.byteLength, message.length);
+ assert_equals(text_decoder.decode(e.data), message);
+ t.done();
+ }
+ channel.port2.onmessage = function(e) {
+ assert_equals(e.data.byteLength, message.length);
+ assert_equals(text_decoder.decode(e.data), message);
+ channel.port2.postMessage(e.data, [e.data.buffer]);
+ };
+
+ var ab = text_encoder.encode(message);
+ assert_equals(ab.byteLength, message.length);
+ channel.port1.postMessage(ab, [ab.buffer]);
+ assert_equals(
+ ab.byteLength, 0,
+ "Byte length of a neutered buffer should be zero.");
+}, 'Send a transferable ArrayBuffer within a same frame');
+
+async_test(function(t) {
+ var message = "Hello, world!";
+ var text_encoder = new TextEncoder;
+ var text_decoder = new TextDecoder;
+
+ var frame = document.createElement('iframe');
+ frame.src = 'resources/empty.html';
+ frame.onload = function() {
+ frame.contentWindow.onmessage = function(evt) {
+ var port = evt.data;
+ port.onmessage = function(e) {
+ assert_equals(e.data.byteLength, message.length);
+ assert_equals(text_decoder.decode(e.data), message);
+ port.postMessage(e.data, [e.data.buffer]);
+ };
+ }
+
+ var channel = new MessageChannel;
+ channel.port1.onmessage = function(e) {
+ assert_equals(e.data.byteLength, message.length);
+ assert_equals(text_decoder.decode(e.data), message);
+ t.done();
+ }
+ frame.contentWindow.postMessage(channel.port2, '*', [channel.port2]);
+
+ var ab = text_encoder.encode(message);
+ assert_equals(ab.byteLength, message.length);
+ channel.port1.postMessage(ab, [ab.buffer]);
+ assert_equals(
+ ab.byteLength, 0,
+ "Byte length of a neutered buffer should be zero.");
+ }
+ document.body.appendChild(frame);
+}, 'Send a transferable ArrayBuffer over frames');
+
+</script>
+</body>

Powered by Google App Engine
This is Rietveld 408576698