1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
<!DOCTYPE html>
<html>
<head>
<title>
Test Basic BiquadFilterNode Properties
</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>
</head>
<body>
<script id="layout-test-code">
let sampleRate = 48000;
let testFrames = 100;
// Global context that can be used by the individual tasks. It must be
// defined by the initialize task.
let context;
let audit = Audit.createTaskRunner();
audit.define('initialize', (task, should) => {
should(() => {
context = new OfflineAudioContext(1, testFrames, sampleRate);
}, 'Initialize context for testing').notThrow();
task.done();
});
audit.define('existence', (task, should) => {
should(context.createBiquadFilter, 'context.createBiquadFilter')
.exist();
task.done();
});
audit.define('parameters', (task, should) => {
// Create a really simple IIR filter. Doesn't much matter what.
let coef = Float32Array.from([1]);
let f = context.createBiquadFilter(coef, coef);
should(f.numberOfInputs, 'numberOfInputs').beEqualTo(1);
should(f.numberOfOutputs, 'numberOfOutputs').beEqualTo(1);
should(f.channelCountMode, 'channelCountMode').beEqualTo('max');
should(f.channelInterpretation, 'channelInterpretation')
.beEqualTo('speakers');
task.done();
});
audit.define('exceptions-createBiquadFilter', (task, should) => {
should(function() {
// Two args are required.
context.createBiquadFilter();
}, 'createBiquadFilter()').notThrow();
task.done();
});
audit.define('exceptions-getFrequencyData', (task, should) => {
// Create a really simple IIR filter. Doesn't much matter what.
let coef = Float32Array.from([1]);
let f = context.createBiquadFilter(coef, coef);
should(
function() {
// frequencyHz can't be null.
f.getFrequencyResponse(
null, new Float32Array(1), new Float32Array(1));
},
'getFrequencyResponse(' +
'null, ' +
'new Float32Array(1), ' +
'new Float32Array(1))')
.throw(TypeError);
should(
function() {
// magResponse can't be null.
f.getFrequencyResponse(
new Float32Array(1), null, new Float32Array(1));
},
'getFrequencyResponse(' +
'new Float32Array(1), ' +
'null, ' +
'new Float32Array(1))')
.throw(TypeError);
should(
function() {
// phaseResponse can't be null.
f.getFrequencyResponse(
new Float32Array(1), new Float32Array(1), null);
},
'getFrequencyResponse(' +
'new Float32Array(1), ' +
'new Float32Array(1), ' +
'null)')
.throw(TypeError);
should(
function() {
// magResponse array must the same length as frequencyHz
f.getFrequencyResponse(
new Float32Array(10), new Float32Array(1),
new Float32Array(20));
},
'getFrequencyResponse(' +
'new Float32Array(10), ' +
'new Float32Array(1), ' +
'new Float32Array(20))')
.throw(DOMException, 'InvalidAccessError');
should(
function() {
// phaseResponse array must be the same length as frequencyHz
f.getFrequencyResponse(
new Float32Array(10), new Float32Array(20),
new Float32Array(1));
},
'getFrequencyResponse(' +
'new Float32Array(10), ' +
'new Float32Array(20), ' +
'new Float32Array(1))')
.throw(DOMException, 'InvalidAccessError');
task.done();
});
audit.run();
</script>
</body>
</html>
|