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ctor-channelmerger.html (2916B)

      1 <!DOCTYPE html>
      2 <html>
      3  <head>
      4    <title>
      5      Test Constructor: ChannelMerger
      6    </title>
      7    <script src="/resources/testharness.js"></script>
      8    <script src="/resources/testharnessreport.js"></script>
      9    <script src="/webaudio/resources/audit-util.js"></script>
     10    <script src="/webaudio/resources/audionodeoptions.js"></script>
     11  </head>
     12  <body>
     13    <script>
     14      let context;
     15 
     16      test(() => {
     17        context = new OfflineAudioContext(1, 1, 48000);
     18      }, 'Initialize AudioContext for ChannelMergerNode tests');
     19 
     20      test(() => {
     21        testInvalidConstructor_W3CTH('ChannelMergerNode', context);
     22      }, 'Invalid constructor behavior for ChannelMergerNode');
     23 
     24      test(() => {
     25        const prefix = 'node0';
     26        const node =
     27            testDefaultConstructor_W3CTH('ChannelMergerNode', context, {
     28              prefix: prefix,
     29              numberOfInputs: 6,
     30              numberOfOutputs: 1,
     31              channelCount: 1,
     32              channelCountMode: 'explicit',
     33              channelInterpretation: 'speakers',
     34            });
     35      }, 'Default constructor behavior for ChannelMergerNode');
     36 
     37      test(() => {
     38        testAudioNodeOptions_W3CTH(context, 'ChannelMergerNode', {
     39          channelCount: {
     40            value: 1,
     41            isFixed: true,
     42            exceptionType: 'InvalidStateError',
     43          },
     44          channelCountMode: {
     45            value: 'explicit',
     46            isFixed: true,
     47            exceptionType: 'InvalidStateError',
     48          },
     49        });
     50      }, 'AudioNodeOptions behavior for ChannelMergerNode');
     51 
     52      test(() => {
     53        let node;
     54        let options = {
     55          numberOfInputs: 3,
     56          numberOfOutputs: 9,
     57          channelInterpretation: 'discrete',
     58        };
     59 
     60        node = new ChannelMergerNode(context, options);
     61 
     62        assert_equals(
     63            node.numberOfInputs, options.numberOfInputs,
     64            'node1.numberOfInputs');
     65        assert_equals(node.numberOfOutputs, 1, 'node1.numberOfOutputs');
     66        assert_equals(
     67            node.channelInterpretation, options.channelInterpretation,
     68            'node1.channelInterpretation');
     69 
     70        options = {numberOfInputs: 99};
     71        assert_throws_dom('IndexSizeError', () => {
     72          node = new ChannelMergerNode(context, options);
     73        }, 'new ChannelMergerNode(c, ' + JSON.stringify(options) + ')');
     74 
     75        options = {channelCount: 3};
     76        assert_throws_dom('InvalidStateError', () => {
     77          node = new ChannelMergerNode(context, options);
     78        }, 'new ChannelMergerNode(c, ' + JSON.stringify(options) + ')');
     79 
     80        options = {channelCountMode: 'max'};
     81        assert_throws_dom('InvalidStateError', () => {
     82          node = new ChannelMergerNode(context, options);
     83        }, 'new ChannelMergerNode(c, ' + JSON.stringify(options) + ')');
     84      }, 'Constructor options validation for ChannelMergerNode');
     85    </script>
     86  </body>
     87 </html>