stub event handling for playlist/segment 404 w tests

@@ -177,6 +177,14 @@ var
       fillBuffer(currentTime * 1000);
     });
 
+    player.on('hls-missing-segment', function() {
+      //console.log('Missing Segment Triggered');
+    });
+
+    player.on('hls-missing-playlist', function() {
+      //console.log('Missing Playlist Triggered');
+    });
+
     /**
      * Chooses the appropriate media playlist based on the current
      * bandwidth estimate and the player size.
@@ -234,6 +242,11 @@ var
       xhr.onreadystatechange = function() {
         var i, parser, playlist, playlistUri;
 
+        if (xhr.status === 404) {
+          player.trigger('hls-missing-playlist', url);
+          return;
+        }
+
         if (xhr.readyState === 4) {
           // readystate DONE
           parser = new videojs.m3u8.Parser();
@@ -348,6 +361,11 @@ var
       segmentXhr.onreadystatechange = function() {
         var playlist;
 
+        if (this.status === 404) {
+          player.trigger('hls-missing-segment');
+          return;
+        }
+
         if (this.readyState === 4) {
           // the segment request is no longer outstanding
           segmentXhr = null;

@@ -547,6 +547,59 @@ test('gets the correct PTS on seek', function() {
   ok(ptsByTime<=seekTime, 'PTS should be less than or equal to seek time');
 });
 
+test('missing playlist should trigger error', function() {
+  var errorTriggered = false;
+
+  window.XMLHttpRequest = function() {
+    this.open = function(method, url) {
+      xhrUrls.push(url);
+    };
+    this.send = function() {
+      this.status = 404;
+      this.onreadystatechange();
+    };
+  };
+
+  player.hls('manifest/media.m3u8');
+
+  player.on('hls-missing-playlist', function() {
+    errorTriggered = true;
+  });
+
+  videojs.mediaSources[player.currentSrc()].trigger({
+    type: 'sourceopen'
+  });
+
+  equal(true, errorTriggered, 'Missing Playlist error event should trigger');
+});
+
+test('missing segment should trigger error', function() {
+  var errorTriggered = false;
+
+  player.hls('manifest/media.m3u8');
+
+  player.on('loadedmanifest', function() {
+    window.XMLHttpRequest = function() {
+      this.open = function(method, url) {
+        xhrUrls.push(url);
+      };
+      this.send = function() {
+        this.status = 404;
+        this.onreadystatechange();
+      };
+    };
+  });
+
+  player.on('hls-missing-segment', function() {
+    errorTriggered = true;
+  });
+
+  videojs.mediaSources[player.currentSrc()].trigger({
+    type: 'sourceopen'
+  });
+
+  equal(true, errorTriggered, 'Missing Segment error event should trigger');
+});
 
 module('segment controller', {
   setup: function() {