Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

12 files changed, 691 insertions, 0 deletions

diff --git a/third_party/webkit/PerformanceTests/webaudio/README.md b/third_party/webkit/PerformanceTests/webaudio/README.md
new file mode 100644
index 0000000000..8fd378b573
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/webaudio/README.md
@@ -0,0 +1,13 @@
+# webaudio-benchmark
+
+## Run
+
+Just open `index.html`. Time are in milliseconds, lower is better.
+
+## Adding new benchmarks
+
+Look into `benchmarks.js`, it's pretty straightforward.
+
+## License
+
+MPL 2.0
diff --git a/third_party/webkit/PerformanceTests/webaudio/benchmarks.js b/third_party/webkit/PerformanceTests/webaudio/benchmarks.js
new file mode 100644
index 0000000000..1d8f0e78bb
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/webaudio/benchmarks.js
@@ -0,0 +1,377 @@
+if (typeof(window) == "undefined") {
+  benchmarks = []
+  registerTestFile = function() {}
+  registerTestCase = function(o) { return benchmarks.push(o.name); }
+}
+
+registerTestFile({ sampleRate: 48000, url: "think-mono-48000.wav" });
+registerTestFile({ sampleRate: 44100, url: "think-mono-44100.wav" });
+registerTestFile({ sampleRate: 38000, url: "think-mono-38000.wav" });
+registerTestFile({ sampleRate: 48000, url: "think-stereo-48000.wav" });
+registerTestFile({ sampleRate: 44100, url: "think-stereo-44100.wav" });
+registerTestFile({ sampleRate: 38000, url: "think-stereo-38000.wav" });
+
+registerTestCase({
+  func: function () {
+    var oac = new OfflineAudioContext(1, DURATION * sampleRate, sampleRate);
+    return oac;
+  },
+  name: "Empty testcase"
+});
+
+registerTestCase({
+  func: function () {
+    var oac = new OfflineAudioContext(1, DURATION * sampleRate, sampleRate);
+    var source0 = oac.createBufferSource();
+    source0.buffer = getSpecificFile({ sampleRate: oac.sampleRate, numberOfChannels: 1 });
+    source0.loop = true;
+    source0.connect(oac.destination);
+    source0.start(0);
+    return oac;
+  },
+  name: "Simple source test without resampling"
+});
+
+registerTestCase({
+  func: function() {
+    var oac = new OfflineAudioContext(2, DURATION * sampleRate, sampleRate);
+    var source0 = oac.createBufferSource();
+    source0.buffer = getSpecificFile({ sampleRate: oac.sampleRate, numberOfChannels: 2 });
+    source0.loop = true;
+    source0.connect(oac.destination);
+    source0.start(0);
+    return oac;
+  },
+  name: "Simple source test without resampling (Stereo)"
+});
+
+registerTestCase({
+  func: function () {
+    var oac = new OfflineAudioContext(2, DURATION * sampleRate, sampleRate);
+    var source0 = oac.createBufferSource();
+    var panner = oac.createPanner();
+    source0.buffer = getSpecificFile({ sampleRate: oac.sampleRate, numberOfChannels: 2 });
+    source0.loop = true;
+    panner.setPosition(1, 2, 3);
+    panner.setOrientation(10, 10, 10);
+    source0.connect(panner);
+    panner.connect(oac.destination);
+    source0.start(0);
+    return oac;
+  },
+  name: "Simple source test without resampling (Stereo and positional)"
+});
+
+registerTestCase({
+  func: function() {
+    var oac = new OfflineAudioContext(1, DURATION * sampleRate, sampleRate);
+    var source0 = oac.createBufferSource();
+    source0.buffer = getSpecificFile({ sampleRate: 38000, numberOfChannels: 1 });
+    source0.loop = true;
+    source0.connect(oac.destination);
+    source0.start(0);
+    return oac;
+  },
+  name: "Simple source test with resampling (Mono)"
+});
+
+registerTestCase({
+  func: function() {
+    var oac = new OfflineAudioContext(2, DURATION * sampleRate, sampleRate);
+    var source0 = oac.createBufferSource();
+    source0.buffer = getSpecificFile({ sampleRate: 38000, numberOfChannels: 2 });
+    source0.loop = true;
+    source0.connect(oac.destination);
+    source0.start(0);
+    return oac;
+  },
+  name: "Simple source test with resampling (Stereo)"
+});
+
+registerTestCase({
+  func: function() {
+    var oac = new OfflineAudioContext(2, DURATION * sampleRate, sampleRate);
+    var source0 = oac.createBufferSource();
+    var panner = oac.createPanner();
+    source0.buffer = getSpecificFile({ sampleRate: 38000, numberOfChannels: 2 });
+    source0.loop = true;
+    panner.setPosition(1, 2, 3);
+    panner.setOrientation(10, 10, 10);
+    source0.connect(panner);
+    panner.connect(oac.destination);
+    source0.start(0);
+    return oac;
+  },
+  name: "Simple source test with resampling (Stereo and positional)"
+});
+
+registerTestCase({
+  func: function() {
+    var oac = new OfflineAudioContext(2, DURATION * sampleRate, sampleRate);
+    var source0 = oac.createBufferSource();
+    source0.buffer = getSpecificFile({ sampleRate: oac.sampleRate, numberOfChannels: 1 });
+    source0.loop = true;
+    source0.connect(oac.destination);
+    source0.start(0);
+    return oac;
+  },
+  name: "Upmix without resampling (Mono -> Stereo)"
+});
+
+registerTestCase({
+  func: function() {
+    var oac = new OfflineAudioContext(1, DURATION * sampleRate, sampleRate);
+    var source0 = oac.createBufferSource();
+    source0.buffer = getSpecificFile({ sampleRate: oac.sampleRate, numberOfChannels: 2 });
+    source0.loop = true;
+    source0.connect(oac.destination);
+    source0.start(0);
+    return oac;
+  },
+  name: "Downmix without resampling (Stereo -> Mono)"
+});
+
+registerTestCase({
+  func: function() {
+    var duration_adjusted = DURATION / 4;
+    var oac = new OfflineAudioContext(2, duration_adjusted * sampleRate, sampleRate);
+    for (var i = 0; i < 100; i++) {
+      var source0 = oac.createBufferSource();
+      source0.buffer = getSpecificFile({ sampleRate: 38000, numberOfChannels: 1 });
+      source0.loop = true;
+      source0.connect(oac.destination);
+      source0.start(0);
+    }
+    return oac;
+  },
+  name: "Simple mixing (100x same buffer)"
+});
+
+registerTestCase({
+  func: function() {
+    var duration_adjusted = DURATION / 4;
+    var oac = new OfflineAudioContext(2, duration_adjusted * sampleRate, sampleRate);
+    var reference = getSpecificFile({ sampleRate: 38000, numberOfChannels: 1 }).getChannelData(0);
+    for (var i = 0; i < 100; i++) {
+      var source0 = oac.createBufferSource();
+      // copy the buffer into the a new one, so we know the implementation is not
+      // sharing them.
+      var b = oac.createBuffer(1, reference.length, 38000);
+      var data = b.getChannelData(0);
+      for (var j = 0; j < b.length; j++) {
+        data[i] = reference[i];
+      }
+      source0.buffer = b;
+      source0.loop = true;
+      source0.connect(oac.destination);
+      source0.start(0);
+    }
+    return oac;
+  },
+  name: "Simple mixing (100 different buffers)"
+});
+
+registerTestCase({
+  func: function() {
+    var oac = new OfflineAudioContext(2, DURATION * sampleRate, sampleRate);
+    var gain = oac.createGain();
+    gain.gain.value = -1;
+    gain.connect(oac.destination);
+    var gainsi = [];
+    for (var i = 0; i < 4; i++) {
+      var gaini = oac.createGain();
+      gaini.gain.value = 0.25;
+      gaini.connect(gain);
+      gainsi[i] = gaini
+    }
+    for (var j = 0; j < 2; j++) {
+      var sourcej = oac.createBufferSource();
+      sourcej.buffer = getSpecificFile({ sampleRate: 38000, numberOfChannels: 1 });
+      sourcej.loop = true;
+      sourcej.start(0);
+      for (var i = 0; i < 4; i++) {
+        var gainij = oac.createGain();
+        gainij.gain.value = 0.5;
+        gainij.connect(gainsi[i]);
+        sourcej.connect(gainij);
+      }
+    }
+    return oac;
+  },
+  name: "Simple mixing with gains"
+});
+
+registerTestCase({
+  func: function() {
+    var duration_adjusted = DURATION / 8;
+    var oac = new OfflineAudioContext(1, duration_adjusted * sampleRate, sampleRate);
+    var i,l;
+    var decay = 10;
+    var duration = 4;
+    var len = sampleRate * duration;
+    var buffer = ac.createBuffer(2, len, oac.sampleRate)
+    var iL = buffer.getChannelData(0)
+    var iR = buffer.getChannelData(1)
+    // Simple exp decay loop
+    for(i=0,l=buffer.length;i<l;i++) {
+      iL[i] = (Math.random() * 2 - 1) * Math.pow(1 - i / len, decay);
+      iR[i] = (Math.random() * 2 - 1) * Math.pow(1 - i / len, decay);
+    }
+    var convolver = oac.createConvolver();
+    convolver.buffer = buffer;
+    convolver.connect(oac.destination);
+
+    var audiobuffer = getSpecificFile({ sampleRate: sampleRate, numberOfChannels: 1 });
+    var source0 = oac.createBufferSource();
+    source0.buffer = audiobuffer;
+    source0.loop = true;
+    source0.connect(convolver);
+    source0.start(0);
+    return oac;
+  },
+  name: "Convolution reverb"
+});
+
+registerTestCase({
+  func: function() {
+    // this test case is very slow in chrome, reduce the total duration to avoid
+    // timeout
+    var duration_adjusted = DURATION / 16;
+    var oac = new OfflineAudioContext(1, duration_adjusted * sampleRate, sampleRate);
+    var duration = duration_adjusted * sampleRate;
+    var audiobuffer = getSpecificFile({ sampleRate: sampleRate, numberOfChannels: 1 });
+    var offset = 0;
+    while (offset < duration / sampleRate) {
+      var grain = oac.createBufferSource();
+      var gain = oac.createGain();
+      grain.connect(gain);
+      gain.connect(oac.destination);
+      grain.buffer = audiobuffer;
+      // get a random 100-ish ms with enveloppes
+      var start = offset * Math.random() * 0.5;
+      var end = start + 0.005 * (0.999 * Math.random());
+      grain.start(offset, start, end);
+      gain.gain.setValueAtTime(offset, 0);
+      gain.gain.linearRampToValueAtTime(.5, offset + 0.005);
+      var startRelease = Math.max(offset + (end - start), 0);
+      gain.gain.setValueAtTime(0.5, startRelease);
+      gain.gain.linearRampToValueAtTime(0.0, startRelease + 0.05);
+
+      // some overlap
+      offset += 0.005;
+    }
+    return oac;
+  },
+  name: "Granular synthesis"
+});
+
+registerTestCase({
+  func: function() {
+    var sampleRate = 44100;
+    var duration  = DURATION;
+    var oac = new OfflineAudioContext(1, duration * sampleRate, 44100);
+    var offset = 0;
+    while (offset < duration) {
+      var note = oac.createOscillator();
+      var env = oac.createGain();
+      note.type = "sawtooth";
+      note.frequency.value = 110;
+      note.connect(env);
+      env.gain.setValueAtTime(0, 0);
+      env.gain.setValueAtTime(0.5, offset);
+      env.gain.setTargetAtTime(0, offset+0.01, 0.1);
+      env.connect(oac.destination);
+      note.start(offset);
+      note.stop(offset + 1.0);
+      offset += 140 / 60 / 4; // 140 bpm
+    }
+    return oac;
+  },
+  name: "Synth"
+});
+
+registerTestCase({
+  func: function() {
+    var sampleRate = 44100;
+    var duration  = DURATION;
+    var oac = new OfflineAudioContext(1, duration * sampleRate, sampleRate);
+    var offset = 0;
+    var osc = oac.createOscillator();
+    osc.type = "sawtooth";
+    var enveloppe = oac.createGain();
+    enveloppe.gain.setValueAtTime(0, 0);
+    var filter = oac.createBiquadFilter();
+    osc.connect(enveloppe);
+    enveloppe.connect(filter);
+    filter.connect(oac.destination);
+    filter.frequency.setValueAtTime(0.0, 0.0);
+    filter.Q.setValueAtTime(20, 0.0);
+    osc.start(0);
+    osc.frequency.setValueAtTime(110, 0);
+
+    while (offset < duration) {
+      enveloppe.gain.setValueAtTime(1.0, offset);
+      enveloppe.gain.setTargetAtTime(0.0, offset, 0.1);
+      filter.frequency.setValueAtTime(0, offset);
+      filter.frequency.setTargetAtTime(3500, offset, 0.03);
+      offset += 140 / 60 / 16;
+    }
+    return oac;
+  },
+  name: "Substractive synth"
+});
+
+registerTestCase({
+  func: function () {
+    var oac = new OfflineAudioContext(2, DURATION * sampleRate, sampleRate);
+    var source0 = oac.createBufferSource();
+    var panner = oac.createStereoPanner();
+    source0.buffer = getSpecificFile({ sampleRate: oac.sampleRate, numberOfChannels: 2 });
+    source0.loop = true;
+    panner.pan = 0.1;
+    source0.connect(panner);
+    panner.connect(oac.destination);
+    source0.start(0);
+    return oac;
+  },
+  name: "Stereo Panning"
+});
+
+registerTestCase({
+  func: function () {
+    var oac = new OfflineAudioContext(2, DURATION * sampleRate, sampleRate);
+    var source0 = oac.createBufferSource();
+    var panner = oac.createStereoPanner();
+    source0.buffer = getSpecificFile({ sampleRate: oac.sampleRate, numberOfChannels: 2 });
+    source0.loop = true;
+    panner.pan.setValueAtTime(-0.1, 0.0);
+    panner.pan.setValueAtTime(0.2, 0.5);
+    source0.connect(panner);
+    panner.connect(oac.destination);
+    source0.start(0);
+    return oac;
+  },
+  name: "Stereo Panning with Automation"
+});
+
+registerTestCase({
+  func: function () {
+    var oac = new OfflineAudioContext(2, DURATION * sampleRate, sampleRate);
+    var osc = oac.createOscillator();
+    osc.type = 'sawtooth';
+    var freq = 2000;
+    osc.frequency.value = freq;
+    osc.frequency.linearRampToValueAtTime(20, 10.0);
+    osc.connect(oac.destination);
+    osc.start(0);
+    return oac;
+  },
+  name: "Periodic Wave with Automation"
+});
+
+
+
+if (typeof(window) == "undefined") {
+  exports.benchmarks = benchmarks;
+}
+
diff --git a/third_party/webkit/PerformanceTests/webaudio/index.html b/third_party/webkit/PerformanceTests/webaudio/index.html
new file mode 100644
index 0000000000..e7329cc5ef
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/webaudio/index.html
@@ -0,0 +1,47 @@
+<html>
+<head>
+<script src=webaudio-bench.js></script>
+<script src=benchmarks.js></script>
+<meta charset="utf-8">
+<style>
+  html {
+    font-family: helvetica, arial;
+  }
+  table {
+    margin: 1em;
+    border-collapse: collapse;
+  }
+  thead {
+    background-color: #aaaaaa;
+  }
+  tr:nth-child(even) {
+    background-color: #eeeeee;
+  }
+  td {
+    border: 1px solid black;
+    text-align: center;
+  }
+  #controls {
+    display: none;
+  }
+  #in-progress {
+    display: none;
+  }
+</style>
+</head>
+<body>
+<div id=loading>
+Loading assets
+<progress></progress>
+</div>
+<div id=controls>
+  <button id=run-all>Run all</button>
+  <div id=in-progress>
+    <progress id=progress-bar> </progress>
+    Benchmark in progress...
+  </div>
+</div>
+<div id=results>
+</div>
+</body>
+</html>
diff --git a/third_party/webkit/PerformanceTests/webaudio/think-mono-38000.wav b/third_party/webkit/PerformanceTests/webaudio/think-mono-38000.wav
new file mode 100644
index 0000000000..953127bde5
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/webaudio/think-mono-38000.wav
diff --git a/third_party/webkit/PerformanceTests/webaudio/think-mono-44100.wav b/third_party/webkit/PerformanceTests/webaudio/think-mono-44100.wav
new file mode 100644
index 0000000000..22c1ad6a04
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/webaudio/think-mono-44100.wav
diff --git a/third_party/webkit/PerformanceTests/webaudio/think-mono-48000.wav b/third_party/webkit/PerformanceTests/webaudio/think-mono-48000.wav
new file mode 100644
index 0000000000..87be7e5a18
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/webaudio/think-mono-48000.wav
diff --git a/third_party/webkit/PerformanceTests/webaudio/think-mono.wav b/third_party/webkit/PerformanceTests/webaudio/think-mono.wav
new file mode 100644
index 0000000000..553a1f3b2b
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/webaudio/think-mono.wav
diff --git a/third_party/webkit/PerformanceTests/webaudio/think-stereo-38000.wav b/third_party/webkit/PerformanceTests/webaudio/think-stereo-38000.wav
new file mode 100644
index 0000000000..ab2a7c4271
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/webaudio/think-stereo-38000.wav
diff --git a/third_party/webkit/PerformanceTests/webaudio/think-stereo-44100.wav b/third_party/webkit/PerformanceTests/webaudio/think-stereo-44100.wav
new file mode 100644
index 0000000000..017e0cb241
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/webaudio/think-stereo-44100.wav
diff --git a/third_party/webkit/PerformanceTests/webaudio/think-stereo-48000.wav b/third_party/webkit/PerformanceTests/webaudio/think-stereo-48000.wav
new file mode 100644
index 0000000000..69175381f0
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/webaudio/think-stereo-48000.wav
diff --git a/third_party/webkit/PerformanceTests/webaudio/update.sh b/third_party/webkit/PerformanceTests/webaudio/update.sh
new file mode 100755
index 0000000000..773def3e34
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/webaudio/update.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+usage() {
+  echo "Usage:"
+  echo "\t$0" /path/to/webaudio-benchmarks
+  exit 1
+}
+
+if [ $# != "1" ]
+then
+  usage $0
+fi
+
+cp $1/* .
diff --git a/third_party/webkit/PerformanceTests/webaudio/webaudio-bench.js b/third_party/webkit/PerformanceTests/webaudio/webaudio-bench.js
new file mode 100644
index 0000000000..b4fb99612b
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/webaudio/webaudio-bench.js
@@ -0,0 +1,240 @@
+if (window.AudioContext == undefined) {
+  window.AudioContext = window.webkitAudioContext;
+  window.OfflineAudioContext = window.webkitOfflineAudioContext;
+}
+
+$ = document.querySelectorAll.bind(document);
+
+let DURATION = null;
+if (location.search) {
+  let duration = location.search.match(/rendering-buffer-length=(\d+)/);
+  if (duration) {
+    DURATION = duration[1];
+  } else {
+    DURATION = 120;
+  }
+} else {
+  DURATION = 120;
+}
+
+
+// Global sample rate at which we run the context.
+var sampleRate = 48000;
+// Array containing at first the url of the audio resources to fetch, and the
+// the actual buffers audio buffer we have at our disposal to for tests.
+var sources = [];
+// Array containing the results, for each benchmark.
+var results = [];
+// Array containing the offline contexts used to run the testcases.
+var testcases = [];
+// Array containing the functions that can return a runnable testcase.
+var testcases_registered = [];
+// Array containing the audio buffers for each benchmark
+var buffers = [];
+var playingSource = null;
+// audiocontext used to play back the result of the benchmarks
+var ac = new AudioContext();
+
+function getFile(source, callback) {
+  var request = new XMLHttpRequest();
+  request.open("GET", source.url, true);
+  request.responseType = "arraybuffer";
+
+  request.onload = function() {
+    // decode buffer at its initial sample rate
+    var ctx = new OfflineAudioContext(1, 1, source.sampleRate);
+
+    ctx.decodeAudioData(request.response, function(buffer) {
+      callback(buffer, undefined);
+    }, function() {
+      callback(undefined, "Error decoding the file " + source.url);
+    });
+  }
+  request.send();
+}
+
+function recordResult(result) {
+  results.push(result);
+}
+
+function benchmark(testcase, ended) {
+  var context = testcase.ctx;
+  var start;
+
+  context.oncomplete = function(e) {
+    var end = Date.now();
+    recordResult({
+      name: testcase.name,
+      duration: end - start,
+      buffer: e.renderedBuffer
+    });
+    ended();
+  };
+
+  start = Date.now();
+  context.startRendering();
+}
+
+function getMonoFile() {
+  return getSpecificFile({ numberOfChannels: 1 });
+}
+
+function getStereoFile() {
+  return getSpecificFile({ numberOfChannels: 2 });
+}
+
+function matchIfSpecified(a, b) {
+  if (b) {
+    return a == b;
+  }
+  return true;
+}
+
+function getSpecificFile(spec) {
+  for (var i = 0 ; i < sources.length; i++) {
+    if (matchIfSpecified(sources[i].numberOfChannels, spec.numberOfChannels) &&
+        matchIfSpecified(sources[i].sampleRate, spec.sampleRate)) {
+      return sources[i];
+    }
+  }
+
+  throw new Error("Could not find a file that matches the specs.");
+}
+
+function allDone() {
+  document.getElementById("in-progress").style.display = "none";
+  var result = document.getElementById("results");
+  var str = "<table><thead><tr><td>Test name</td><td>Time in ms</td><td>Speedup vs. realtime</td><td>Sound</td></tr></thead>";
+  var buffers_base = buffers.length;
+  var product_of_durations = 1.0;
+
+  for (var i = 0 ; i < results.length; i++) {
+    var r = results[i];
+    product_of_durations *= r.duration;
+    str += "<tr><td>" + r.name + "</td>" +
+               "<td>" + r.duration + "</td>"+
+               "<td>" + Math.round((r.buffer.duration * 1000) / r.duration) + "x</td>"+
+               "<td><button data-soundindex="+(buffers_base + i)+">Play</button> ("+r.buffer.duration+"s)</td>"
+          +"</tr>";
+    buffers[buffers_base + i] = r.buffer;
+  }
+  recordResult({
+    name: "Geometric Mean",
+    duration: Math.round(Math.pow(product_of_durations, 1.0/results.length)),
+    buffer: {}
+  });
+  str += "</table>";
+  result.innerHTML += str;
+  result.addEventListener("click", function(e) {
+    var t = e.target;
+    if (t.dataset.soundindex != undefined) {
+      if (playingSource != null) {
+        playingSource.button.innerHTML = "Play";
+        playingSource.onended = undefined;
+        playingSource.stop(0);
+        if (playingSource.button == t) {
+          playingSource = null;
+          return;
+        }
+      }
+      playingSource = ac.createBufferSource();
+      playingSource.connect(ac.destination);
+      playingSource.buffer = buffers[t.dataset.soundindex];
+      playingSource.start(0);
+      playingSource.button = t;
+      t.innerHTML = "Pause";
+      playingSource.onended = function () {
+        playingSource = null;
+      }
+    }
+  });
+
+  document.getElementById("run-all").disabled = false;
+
+  if (location.search.includes("raptor")) {
+    var _data = ['raptor-benchmark', 'webaudio', JSON.stringify(results)];
+    window.postMessage(_data, '*');
+    window.sessionStorage.setItem('benchmark_results',  JSON.stringify(_data));
+  } else {
+    var xhr = new XMLHttpRequest();
+    xhr.open("POST", "/results", true);
+    xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+    xhr.send("results=" + JSON.stringify(results));
+  }
+}
+
+function runOne(i) {
+  benchmark(testcases[i], function() {
+    i++;
+    $("#progress-bar")[0].value++;
+    if (i < testcases.length) {
+      runOne(i);
+    } else {
+      allDone();
+    }
+  });
+}
+
+function runAll() {
+  $("#progress-bar")[0].max = testcases_registered.length;
+  $("#progress-bar")[0].value = 0;
+  initAll();
+  results = [];
+  runOne(0);
+}
+
+function initAll() {
+  for (var i = 0; i < testcases_registered.length; i++) {
+    testcases[i] = {};
+    testcases[i].ctx = testcases_registered[i].func();
+    testcases[i].name = testcases_registered[i].name;
+  }
+}
+
+function loadOne(i, endCallback) {
+  getFile(sources[i], function(buffer, err) {
+    if (err) {
+      throw new Error(msg);
+    }
+
+    sources[i] = buffer;
+    i++;
+
+    if (i < sources.length) {
+      loadOne(i, endCallback);
+    } else {
+      endCallback();
+    }
+  });
+}
+
+function loadAllSources(endCallback) {
+  loadOne(0, endCallback);
+}
+
+document.addEventListener("DOMContentLoaded", function() {
+  document.getElementById("run-all").addEventListener("click", function() {
+    document.getElementById("run-all").disabled = true;
+    document.getElementById("in-progress").style.display = "inline";
+    runAll();
+  });
+  loadAllSources(function() {
+    // auto-run when running in raptor
+    document.getElementById("loading").remove();
+    document.getElementById("controls").style.display = "block";
+    if (location.search.includes("raptor")) {
+      document.getElementById("run-all").disabled = true;
+      document.getElementById("in-progress").style.display = "inline";
+      setTimeout(runAll, 100);
+    }
+  });
+});
+
+/* Public API */
+function registerTestCase(testCase) {
+  testcases_registered.push(testCase);
+}
+
+function registerTestFile(url) {
+  sources.push(url);
+}