Bug 1301226 - Test 0xFFFFFFFF WAV data chunk length - r=cpearce

Test that a WAV file with 0xFFFFFFFF data chunk length does not overflow, by
playing it; If it did overflow, its duration would be 0, and therefore would
not play.

MozReview-Commit-ID: EiWLb5otSnh

--HG--
extra : rebase_source : 2a3fb908f69b7b2032dfbc9df88e5390c66133f0

dom/media/test/bug1301226.wav^headers^

@@ -0,0 +1 @@
+Cache-Control: no-store

dom/media/test/manifest.js

@@ -165,6 +165,8 @@ var gPlayTests = [
   { name:"wavedata_alaw.wav", type:"audio/x-wav", duration:1.0 },
   // uLaw compressed wave file
   { name:"wavedata_ulaw.wav", type:"audio/x-wav", duration:1.0 },
+  // Data length 0xFFFFFFFF
+  { name:"bug1301226.wav", type:"audio/x-wav", duration:0.003673 },
 
   // Ogg stream without eof marker
   { name:"bug461281.ogg", type:"application/ogg", duration:2.208 },

dom/media/test/mochitest.ini

@@ -391,6 +391,8 @@ support-files =
   bug883173.vtt
   bug1066943.webm
   bug1066943.webm^headers^
+  bug1301226.wav
+  bug1301226.wav^headers^
   can_play_type_dash.js
   can_play_type_ogg.js
   can_play_type_wave.js