bug 1190291 test currentTime at end of OfflineAudioContext rendering r=padenot

--HG-- extra : rebase_source : 69cd3562062c5e09572428b8279c4d622fc5836e
2015-08-05 09:13:34 +12:00 · 2015-08-05 09:13:34 +12:00 · 3069169b59
--- a/testing/web-platform/meta/MANIFEST.json
+++ b/testing/web-platform/meta/MANIFEST.json
@ -28797,7 +28797,16 @@
  },
  "local_changes": {
    "deleted": [],
-    "items": {},
+    "items": {
+      "testharness": {
+        "webaudio/the-audio-api/the-offlineaudiocontext-interface/current-time-block-size.html": [
+          {
+            "path": "webaudio/the-audio-api/the-offlineaudiocontext-interface/current-time-block-size.html",
+            "url": "/webaudio/the-audio-api/the-offlineaudiocontext-interface/current-time-block-size.html"
+          }
+        ]
+      }
+    },
    "reftest_nodes": {}
  },
  "reftest_nodes": {
--- a/testing/web-platform/tests/webaudio/the-audio-api/the-offlineaudiocontext-interface/current-time-block-size.html
+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-offlineaudiocontext-interface/current-time-block-size.html
@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<title>Test currentTime at completion of OfflineAudioContext rendering</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+promise_test(function() {
+  // sampleRate is a power of two so that time can be represented exactly
+  // in double currentTime.
+  var context = new OfflineAudioContext(1, 1, 65536);
+  return context.startRendering().
+    then(function(buffer) {
+      assert_equals(buffer.length, 1, "buffer length");
+      assert_equals(context.currentTime, 128 / context.sampleRate,
+                    "currentTime at completion");
+    });
+});
+</script>