LibWeb: Add ChannelSplitterNode interface

Author: https://github.com/tcl3
Commit: e564d25ffb
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3097
Reviewed-by: https://github.com/shannonbooth ✅

Tests/LibWeb/Text/expected/all-window-properties.txt

@@ -57,6 +57,7 @@ CanvasGradient
 CanvasPattern
 CanvasRenderingContext2D
 ChannelMergerNode
+ChannelSplitterNode
 CharacterData
 Clipboard
 ClipboardEvent

Tests/LibWeb/Text/expected/wpt-import/webaudio/the-audio-api/the-channelsplitternode-interface/ctor-channelsplitter.txt

@@ -0,0 +1,52 @@
+Harness status: OK
+
+Found 47 tests
+
+47 Pass
+Pass	# AUDIT TASK RUNNER STARTED.
+Pass	Executing "initialize"
+Pass	Executing "invalid constructor"
+Pass	Executing "default constructor"
+Pass	Executing "test AudioNodeOptions"
+Pass	Executing "constructor options"
+Pass	Audit report
+Pass	> [initialize] 
+Pass	  context = new OfflineAudioContext(...) did not throw an exception.
+Pass	< [initialize] All assertions passed. (total 1 assertions)
+Pass	> [invalid constructor] 
+Pass	  new ChannelSplitterNode() threw TypeError: "ChannelSplitterNode() needs one argument".
+Pass	  new ChannelSplitterNode(1) threw TypeError: "Not an object of type BaseAudioContext".
+Pass	  new ChannelSplitterNode(context, 42) threw TypeError: "Not an object of type ChannelSplitterOptions".
+Pass	< [invalid constructor] All assertions passed. (total 3 assertions)
+Pass	> [default constructor] 
+Pass	  node0 = new ChannelSplitterNode(context) did not throw an exception.
+Pass	  node0 instanceof ChannelSplitterNode is equal to true.
+Pass	  node0.numberOfInputs is equal to 1.
+Pass	  node0.numberOfOutputs is equal to 6.
+Pass	  node0.channelCount is equal to 6.
+Pass	  node0.channelCountMode is equal to explicit.
+Pass	  node0.channelInterpretation is equal to discrete.
+Pass	< [default constructor] All assertions passed. (total 7 assertions)
+Pass	> [test AudioNodeOptions] 
+Pass	  new ChannelSplitterNode(c, {channelCount: 6}) did not throw an exception.
+Pass	  node.channelCount is equal to 6.
+Pass	  new ChannelSplitterNode(c, {channelCount: 7}) threw InvalidStateError: "Channel count must be equal to number of outputs".
+Pass	  (new ChannelSplitterNode(c, {channelCount: 6})).channelCount = 6 did not throw an exception.
+Pass	  new ChannelSplitterNode(c, {channelCountMode: "explicit"} did not throw an exception.
+Pass	  node.channelCountMode is equal to explicit.
+Pass	  new ChannelSplitterNode(c, {channelCountMode: "max"}) threw InvalidStateError: "Channel count mode must be 'explicit'".
+Pass	  new ChannelSplitterNode(c, {channelCountMode: "clamped-max"}) threw InvalidStateError: "Channel count mode must be 'explicit'".
+Pass	  (new ChannelSplitterNode(c, {channelCountMode: "explicit"})).channelCountMode = "explicit" did not throw an exception.
+Pass	  new ChannelSplitterNode(c, {channelInterpretation: "speakers"}) threw InvalidStateError: "Channel interpretation must be 'discrete'".
+Pass	  (new ChannelSplitterNode(c, {channelInterpretation: "discrete"})).channelInterpretation = "discrete" did not throw an exception.
+Pass	< [test AudioNodeOptions] All assertions passed. (total 11 assertions)
+Pass	> [constructor options] 
+Pass	  node1 = new ChannelSplitterNode(context, {"numberOfInputs":3,"numberOfOutputs":9,"channelInterpretation":"discrete"}) did not throw an exception.
+Pass	  node1.numberOfInputs is equal to 1.
+Pass	  node1.numberOfOutputs is equal to 9.
+Pass	  node1.channelInterpretation is equal to discrete.
+Pass	  new ChannelSplitterNode(c, {"numberOfOutputs":99}) threw IndexSizeError: "Invalid number of outputs".
+Pass	  new ChannelSplitterNode(c, {"channelCount":3}) threw InvalidStateError: "Channel count must be equal to number of outputs".
+Pass	  new ChannelSplitterNode(c, {"channelCountMode":"max"}) threw InvalidStateError: "Channel count mode must be 'explicit'".
+Pass	< [constructor options] All assertions passed. (total 7 assertions)
+Pass	# AUDIT TASK RUNNER FINISHED: 5 tasks ran successfully.

Tests/LibWeb/Text/input/wpt-import/webaudio/the-audio-api/the-channelsplitternode-interface/ctor-channelsplitter.html

@@ -0,0 +1,115 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>
+      Test Constructor: ChannelSplitter
+    </title>
+    <script src="../../../resources/testharness.js"></script>
+    <script src="../../../resources/testharnessreport.js"></script>
+    <script src="../../../webaudio/resources/audit-util.js"></script>
+    <script src="../../../webaudio/resources/audit.js"></script>
+    <script src="../../../webaudio/resources/audionodeoptions.js"></script>
+  </head>
+  <body>
+    <script id="layout-test-code">
+      let context;
+
+      let audit = Audit.createTaskRunner();
+
+      audit.define('initialize', (task, should) => {
+        context = initializeContext(should);
+        task.done();
+      });
+
+      audit.define('invalid constructor', (task, should) => {
+        testInvalidConstructor(should, 'ChannelSplitterNode', context);
+        task.done();
+      });
+
+      audit.define('default constructor', (task, should) => {
+        testDefaultConstructor(should, 'ChannelSplitterNode', context, {
+          prefix: 'node0',
+          numberOfInputs: 1,
+          numberOfOutputs: 6,
+          channelCount: 6,
+          channelCountMode: 'explicit',
+          channelInterpretation: 'discrete'
+        });
+
+        task.done();
+      });
+
+      audit.define('test AudioNodeOptions', (task, should) => {
+        testAudioNodeOptions(should, context, 'ChannelSplitterNode', {
+          channelCount: {
+            value: 6,
+            isFixed: true,
+            exceptionType: 'InvalidStateError'
+          },
+          channelCountMode: {
+            value: 'explicit',
+            isFixed: true,
+            exceptionType: 'InvalidStateError'
+          },
+          channelInterpretation: {
+            value: 'discrete',
+            isFixed: true,
+            exceptionType: 'InvalidStateError'
+          },
+        });
+        task.done();
+      });
+
+      audit.define('constructor options', (task, should) => {
+        let node;
+        let options = {
+          numberOfInputs: 3,
+          numberOfOutputs: 9,
+          channelInterpretation: 'discrete'
+        };
+
+        should(
+            () => {
+              node = new ChannelSplitterNode(context, options);
+            },
+            'node1 = new ChannelSplitterNode(context, ' +
+                JSON.stringify(options) + ')')
+            .notThrow();
+
+        should(node.numberOfInputs, 'node1.numberOfInputs').beEqualTo(1);
+        should(node.numberOfOutputs, 'node1.numberOfOutputs')
+            .beEqualTo(options.numberOfOutputs);
+        should(node.channelInterpretation, 'node1.channelInterpretation')
+            .beEqualTo(options.channelInterpretation);
+
+        options = {numberOfOutputs: 99};
+        should(
+            () => {
+              node = new ChannelSplitterNode(context, options);
+            },
+            'new ChannelSplitterNode(c, ' + JSON.stringify(options) + ')')
+            .throw(DOMException, 'IndexSizeError');
+
+        options = {channelCount: 3};
+        should(
+            () => {
+              node = new ChannelSplitterNode(context, options);
+            },
+            'new ChannelSplitterNode(c, ' + JSON.stringify(options) + ')')
+            .throw(DOMException, 'InvalidStateError');
+
+        options = {channelCountMode: 'max'};
+        should(
+            () => {
+              node = new ChannelSplitterNode(context, options);
+            },
+            'new ChannelSplitterNode(c, ' + JSON.stringify(options) + ')')
+            .throw(DOMException, 'InvalidStateError');
+
+        task.done();
+      });
+
+      audit.run();
+    </script>
+  </body>
+</html>