Convert AudioParam tests to new Audit

third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-method-chaining.html

Index: third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-method-chaining.html
diff --git a/third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-method-chaining.html b/third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-method-chaining.html
index e86926956b4baa16f9c3f3f7bd51b1dd2d2980a3..b0a172ae935217f164d43b14f99c2d8d29240cbd 100644
--- a/third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-method-chaining.html
+++ b/third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-method-chaining.html
@@ -5,7 +5,7 @@
   <script src="../../resources/testharness.js"></script>
   <script src="../../resources/testharnessreport.js"></script> 
   <script src="../resources/audit-util.js"></script>
-  <script src="../resources/audio-testing.js"></script>
+  <script src="../resources/audit.js"></script>
   <script src="../resources/audioparam-testing.js"></script>
 </head>
 
@@ -27,32 +27,26 @@
       { name: 'cancelScheduledValues', args: [6.0] }
     ];
 
-    function verifyReturnedParam(config) {
-      Should('The return value of ' + config.desc + ' matches the source AudioParam',
-             config.source === config.returned)
-        .beEqualTo(true);
-    }
-
     var audit = Audit.createTaskRunner();
 
     // Task: testing entries from the dictionary.
-    audit.defineTask('from-dictionary', function (done) {
+    audit.define('from-dictionary', (task, should) => {
       var context = new AudioContext();
 
       methodDictionary.forEach(function (method) {
         var sourceParam = context.createGain().gain;
-        verifyReturnedParam({
-          source: sourceParam,
-          returned: sourceParam[method.name](...method.args),
-          desc: sourceParam.constructor.name + '.' + method.name + '()'
-        });
+        should(sourceParam === sourceParam[method.name](...method.args),
+            'The return value of ' + sourceParam.constructor.name + '.' +
+            method.name + '()' + ' matches the source AudioParam')
+          .beEqualTo(true);
+
       });
 
-      done();
+      task.done();
     });
 
     // Task: test method chaining with invalid operation.
-    audit.defineTask('invalid-operation', function (done) {
+    audit.define('invalid-operation', (task, should) => {
       var context = new OfflineAudioContext(1, sampleRate, sampleRate);
       var osc = context.createOscillator();
       var amp1 = context.createGain();
@@ -66,33 +60,37 @@
       // The first operation fails with an exception, thus the second one
       // should not have effect on the parameter value. Instead, it should
       // maintain the default value of 1.0.
-      Should('Calling setValueAtTime() with a negative end time', function () {
-        amp1.gain
-          .setValueAtTime(0.25, -1.0)
-          .linearRampToValueAtTime(2.0, 1.0);
-      }).throw('InvalidAccessError');
+      should(function () {
+            amp1.gain
+              .setValueAtTime(0.25, -1.0)
+              .linearRampToValueAtTime(2.0, 1.0);
+          },
+          'Calling setValueAtTime() with a negative end time')
+        .throw('InvalidAccessError');
 
       // The first operation succeeds but the second fails due to zero target
       // value for the exponential ramp. Thus only the first should have effect
       // on the parameter value, setting the value to 0.5.
-      Should('Calling exponentialRampToValueAtTime() with a zero target value', function () {
-        amp2.gain
-          .setValueAtTime(0.5, 0.0)
-          .exponentialRampToValueAtTime(0.0, 1.0);
-      }).throw('InvalidAccessError');
+      should(function () {
+            amp2.gain
+              .setValueAtTime(0.5, 0.0)
+              .exponentialRampToValueAtTime(0.0, 1.0);
+          },
+          'Calling exponentialRampToValueAtTime() with a zero target value')
+        .throw('InvalidAccessError');
 
       osc.start();
       osc.stop(1.0);
 
       context.startRendering().then(function (buffer) {
-        Should('The gain value of the first gain node', amp1.gain.value).beEqualTo(1.0);
-        Should('The gain value of the second gain node', amp2.gain.value).beEqualTo(0.5);
-      }).then(done);
+        should(amp1.gain.value, 'The gain value of the first gain node').beEqualTo(1.0);
+        should(amp2.gain.value, 'The gain value of the second gain node').beEqualTo(0.5);
+      }).then(() => task.done());
     });    
 
     // Task: verify if the method chaining actually works. Create an arbitrary
     // envelope and compare the result with the expected one created by JS code.
-    audit.defineTask('verification', function (done) {
+    audit.define('verification', (task, should) => {
       var context = new OfflineAudioContext(1, sampleRate * 4, sampleRate);
       var constantBuffer = createConstantBuffer(context, 1, 1.0);
 
@@ -122,19 +120,12 @@
         // envelope and the internal implementation. (i.e. double/float and
         // rounding up) The error threshold is adjusted empirically through
         // the local testing.
-        Should('The rendered envelope', buffer.getChannelData(0), {
-          numberOfArrayLog: 5
-        }).beCloseToArray(expectedEnvelope, 4.0532e-6);
-      }).then(done);
+        should(buffer.getChannelData(0), 'The rendered envelope')
+          .beCloseToArray(expectedEnvelope, {absoluteThreshold: 4.0532e-6});
+      }).then(() => task.done());
     });
 
-    audit.defineTask('finish', function (done) {
-      done();
-    });
-
-    audit.runTasks();
-
-    successfullyParsed = true;
+    audit.run();
   </script>
 </body>