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Issue 2895963003: Apply layout-test-tidy to LayoutTests/webaudio (Closed)
Patch Set: Created 3 years, 7 months ago
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1 <!DOCTYPE html> 1 <!DOCTYPE html>
2 <html> 2 <html>
3 3 <head>
4 <head> 4 <title>
5 <script src="../../resources/testharness.js"></script> 5 audionode-disconnect-audioparam.html
6 <script src="../../resources/testharnessreport.js"></script> 6 </title>
7 <script src="../resources/audit-util.js"></script> 7 <script src="../../resources/testharness.js"></script>
8 <script src="../resources/audit.js"></script> 8 <script src="../../resources/testharnessreport.js"></script>
9 </head> 9 <script src="../resources/audit-util.js"></script>
10 10 <script src="../resources/audit.js"></script>
11 <body> 11 </head>
12 <script> 12 <body>
13 13 <script id="layout-test-code">
14 var renderQuantum = 128; 14 let renderQuantum = 128;
15 15
16 var sampleRate = 44100; 16 let sampleRate = 44100;
17 var renderDuration = 0.5; 17 let renderDuration = 0.5;
18 var disconnectTime = 0.5 * renderDuration; 18 let disconnectTime = 0.5 * renderDuration;
19 19
20 var audit = Audit.createTaskRunner(); 20 let audit = Audit.createTaskRunner();
21 21
22 // Calculate the index for disconnection. 22 // Calculate the index for disconnection.
23 function getDisconnectIndex(disconnectTime) { 23 function getDisconnectIndex(disconnectTime) {
24 var disconnectIndex = disconnectTime * sampleRate; 24 let disconnectIndex = disconnectTime * sampleRate;
25 return disconnectIndex -= (disconnectIndex) % renderQuantum; 25 return disconnectIndex -= (disconnectIndex) % renderQuantum;
26 } 26 }
27 27
28 // Get the index of value change. 28 // Get the index of value change.
29 function getValueChangeIndex(array, targetValue) { 29 function getValueChangeIndex(array, targetValue) {
30 return array.findIndex(function (element, index) { 30 return array.findIndex(function(element, index) {
31 if (element === targetValue) 31 if (element === targetValue)
32 return true; 32 return true;
33 });
34 }
35
36 // Task 1: test disconnect(AudioParam) method.
37 audit.define('disconnect(AudioParam)', (task, should) => {
38
39 // Creates a buffer source with value [1] and then connect it to two
40 // gain nodes in series. The output of the buffer source is lowered by
41 // half
42 // (* 0.5) and then connected to two |.gain| AudioParams in each gain
43 // node.
44 //
45 // (1) bufferSource => gain1 => gain2
46 // (2) bufferSource => half => gain1.gain
47 // (3) half => gain2.gain
48 //
49 // This graph should produce the output of 2.25 (= 1 * 1.5 * 1.5). After
50 // disconnecting (3), it should produce 1.5.
51 let context =
52 new OfflineAudioContext(1, renderDuration * sampleRate, sampleRate);
53 let source = context.createBufferSource();
54 let buffer1ch = createConstantBuffer(context, 1, 1);
55 let half = context.createGain();
56 let gain1 = context.createGain();
57 let gain2 = context.createGain();
58
59 source.buffer = buffer1ch;
60 source.loop = true;
61 half.gain.value = 0.5;
62
63 source.connect(gain1);
64 gain1.connect(gain2);
65 gain2.connect(context.destination);
66 source.connect(half);
67
68 // Connecting |half| to both |gain1.gain| and |gain2.gain| amplifies the
69 // signal by 2.25 (= 1.5 * 1.5) because each gain node amplifies the
70 // signal by 1.5 (= 1.0 + 0.5).
71 half.connect(gain1.gain);
72 half.connect(gain2.gain);
73
74 source.start();
75
76 // Schedule the disconnection at the half of render duration.
77 context.suspend(disconnectTime).then(function() {
78 half.disconnect(gain2.gain);
79 context.resume();
80 });
81
82 context.startRendering()
83 .then(function(buffer) {
84 let channelData = buffer.getChannelData(0);
85 let disconnectIndex = getDisconnectIndex(disconnectTime);
86 let valueChangeIndex = getValueChangeIndex(channelData, 1.5);
87
88 // Expected values are: 1 * 1.5 * 1.5 -> 1 * 1.5 = [2.25, 1.5]
89 should(channelData, 'Channel #0').containValues([2.25, 1.5]);
90 should(valueChangeIndex, 'The index of value change')
91 .beEqualTo(disconnectIndex);
92
93 })
94 .then(() => task.done());
33 }); 95 });
34 } 96
35 97 // Task 2: test disconnect(AudioParam, output) method.
36 // Task 1: test disconnect(AudioParam) method. 98 audit.define('disconnect(AudioParam, output)', (task, should) => {
37 audit.define('disconnect(AudioParam)', (task, should) => { 99
38 100 // Create a 2-channel buffer source with [1, 2] in each channel and
39 // Creates a buffer source with value [1] and then connect it to two gain 101 // make a serial connection through gain1 and gain 2. The make the
40 // nodes in series. The output of the buffer source is lowered by half 102 // buffer source half with a gain node and connect it to a 2-output
41 // (* 0.5) and then connected to two |.gain| AudioParams in each gain node . 103 // splitter. Connect each output to 2 gain AudioParams respectively.
42 // 104 //
43 // (1) bufferSource => gain1 => gain2 105 // (1) bufferSource => gain1 => gain2
44 // (2) bufferSource => half => gain1.gain 106 // (2) bufferSource => half => splitter(2)
45 // (3) half => gain2.gain 107 // (3) splitter#0 => gain1.gain
46 // 108 // (4) splitter#1 => gain2.gain
47 // This graph should produce the output of 2.25 (= 1 * 1.5 * 1.5). After 109 //
48 // disconnecting (3), it should produce 1.5. 110 // This graph should produce 3 (= 1 * 1.5 * 2) and 6 (= 2 * 1.5 * 2) for
49 var context = new OfflineAudioContext(1, renderDuration * sampleRate, samp leRate); 111 // each channel. After disconnecting (4), it should output 1.5 and 3.
50 var source = context.createBufferSource(); 112 let context =
51 var buffer1ch = createConstantBuffer(context, 1, 1); 113 new OfflineAudioContext(2, renderDuration * sampleRate, sampleRate);
52 var half = context.createGain(); 114 let source = context.createBufferSource();
53 var gain1 = context.createGain(); 115 let buffer2ch = createConstantBuffer(context, 1, [1, 2]);
54 var gain2 = context.createGain(); 116 let splitter = context.createChannelSplitter(2);
55 117 let half = context.createGain();
56 source.buffer = buffer1ch; 118 let gain1 = context.createGain();
57 source.loop = true; 119 let gain2 = context.createGain();
58 half.gain.value = 0.5; 120
59 121 source.buffer = buffer2ch;
60 source.connect(gain1); 122 source.loop = true;
61 gain1.connect(gain2); 123 half.gain.value = 0.5;
62 gain2.connect(context.destination); 124
63 source.connect(half); 125 source.connect(gain1);
64 126 gain1.connect(gain2);
65 // Connecting |half| to both |gain1.gain| and |gain2.gain| amplifies the 127 gain2.connect(context.destination);
66 // signal by 2.25 (= 1.5 * 1.5) because each gain node amplifies the signa l 128
67 // by 1.5 (= 1.0 + 0.5). 129 // |source| originally is [1, 2] but it becomes [0.5, 1] after 0.5 gain.
68 half.connect(gain1.gain); 130 // Each splitter's output will be applied to |gain1.gain| and
69 half.connect(gain2.gain); 131 // |gain2.gain| respectively in an additive fashion.
70 132 source.connect(half);
71 source.start(); 133 half.connect(splitter);
72 134
73 // Schedule the disconnection at the half of render duration. 135 // This amplifies the signal by 1.5. (= 1.0 + 0.5)
74 context.suspend(disconnectTime).then(function () { 136 splitter.connect(gain1.gain, 0);
75 half.disconnect(gain2.gain); 137
76 context.resume(); 138 // This amplifies the signal by 2. (= 1.0 + 1.0)
139 splitter.connect(gain2.gain, 1);
140
141 source.start();
142
143 // Schedule the disconnection at the half of render duration.
144 context.suspend(disconnectTime).then(function() {
145 splitter.disconnect(gain2.gain, 1);
146 context.resume();
147 });
148
149 context.startRendering()
150 .then(function(buffer) {
151 let channelData0 = buffer.getChannelData(0);
152 let channelData1 = buffer.getChannelData(1);
153
154 let disconnectIndex = getDisconnectIndex(disconnectTime);
155 let valueChangeIndexCh0 = getValueChangeIndex(channelData0, 1.5);
156 let valueChangeIndexCh1 = getValueChangeIndex(channelData1, 3);
157
158 // Expected values are: 1 * 1.5 * 2 -> 1 * 1.5 = [3, 1.5]
159 should(channelData0, 'Channel #0').containValues([3, 1.5]);
160 should(
161 valueChangeIndexCh0,
162 'The index of value change in channel #0')
163 .beEqualTo(disconnectIndex);
164
165 // Expected values are: 2 * 1.5 * 2 -> 2 * 1.5 = [6, 3]
166 should(channelData1, 'Channel #1').containValues([6, 3]);
167 should(
168 valueChangeIndexCh1,
169 'The index of value change in channel #1')
170 .beEqualTo(disconnectIndex);
171
172 })
173 .then(() => task.done());
77 }); 174 });
78 175
79 context.startRendering().then(function (buffer) { 176 // Task 3: exception checks.
80 var channelData = buffer.getChannelData(0); 177 audit.define('exceptions', (task, should) => {
81 var disconnectIndex = getDisconnectIndex(disconnectTime); 178 let context = new AudioContext();
82 var valueChangeIndex = getValueChangeIndex(channelData, 1.5); 179 let gain1 = context.createGain();
83 180 let splitter = context.createChannelSplitter(2);
84 // Expected values are: 1 * 1.5 * 1.5 -> 1 * 1.5 = [2.25, 1.5] 181 let gain2 = context.createGain();
85 should(channelData, 'Channel #0').containValues([2.25, 1.5]); 182 let gain3 = context.createGain();
86 should(valueChangeIndex, 'The index of value change') 183
87 .beEqualTo(disconnectIndex); 184 // Connect a splitter to gain nodes and merger so we can test the
88 185 // possible ways of disconnecting the nodes to verify that appropriate
89 }).then(() => task.done()); 186 // exceptions are thrown.
90 }); 187 gain1.connect(splitter);
91 188 splitter.connect(gain2.gain, 0);
92 // Task 2: test disconnect(AudioParam, output) method. 189 splitter.connect(gain3.gain, 1);
93 audit.define('disconnect(AudioParam, output)', (task, should) => { 190 gain2.connect(gain3);
94 191 gain3.connect(context.destination);
95 // Create a 2-channel buffer source with [1, 2] in each channel and 192
96 // make a serial connection through gain1 and gain 2. The make the buffer 193 // gain1 is not connected to gain3.gain. Exception should be thrown.
97 // source half with a gain node and connect it to a 2-output splitter. 194 should(function() {
98 // Connect each output to 2 gain AudioParams respectively. 195 gain1.disconnect(gain3.gain);
99 // 196 }, 'gain1.disconnect(gain3.gain)').throw('InvalidAccessError');
100 // (1) bufferSource => gain1 => gain2 197
101 // (2) bufferSource => half => splitter(2) 198 // When the output index is good but the destination is invalid.
102 // (3) splitter#0 => gain1.gain 199 should(function() {
103 // (4) splitter#1 => gain2.gain 200 splitter.disconnect(gain1.gain, 1);
104 // 201 }, 'splitter.disconnect(gain1.gain, 1)').throw('InvalidAccessError');
105 // This graph should produce 3 (= 1 * 1.5 * 2) and 6 (= 2 * 1.5 * 2) for 202
106 // each channel. After disconnecting (4), it should output 1.5 and 3. 203 // When both arguments are wrong, throw IndexSizeError first.
107 var context = new OfflineAudioContext(2, renderDuration * sampleRate, samp leRate); 204 should(function() {
108 var source = context.createBufferSource(); 205 splitter.disconnect(gain1.gain, 2);
109 var buffer2ch = createConstantBuffer(context, 1, [1, 2]); 206 }, 'splitter.disconnect(gain1.gain, 2)').throw('IndexSizeError');
110 var splitter = context.createChannelSplitter(2); 207
111 var half = context.createGain(); 208 task.done();
112 var gain1 = context.createGain();
113 var gain2 = context.createGain();
114
115 source.buffer = buffer2ch;
116 source.loop = true;
117 half.gain.value = 0.5;
118
119 source.connect(gain1);
120 gain1.connect(gain2);
121 gain2.connect(context.destination);
122
123 // |source| originally is [1, 2] but it becomes [0.5, 1] after 0.5 gain.
124 // Each splitter's output will be applied to |gain1.gain| and |gain2.gain|
125 // respectively in an additive fashion.
126 source.connect(half);
127 half.connect(splitter);
128
129 // This amplifies the signal by 1.5. (= 1.0 + 0.5)
130 splitter.connect(gain1.gain, 0);
131
132 // This amplifies the signal by 2. (= 1.0 + 1.0)
133 splitter.connect(gain2.gain, 1);
134
135 source.start();
136
137 // Schedule the disconnection at the half of render duration.
138 context.suspend(disconnectTime).then(function () {
139 splitter.disconnect(gain2.gain, 1);
140 context.resume();
141 }); 209 });
142 210
143 context.startRendering().then(function (buffer) { 211 audit.run();
144 var channelData0 = buffer.getChannelData(0); 212 </script>
145 var channelData1 = buffer.getChannelData(1); 213 </body>
146
147 var disconnectIndex = getDisconnectIndex(disconnectTime);
148 var valueChangeIndexCh0 = getValueChangeIndex(channelData0, 1.5);
149 var valueChangeIndexCh1 = getValueChangeIndex(channelData1, 3);
150
151 // Expected values are: 1 * 1.5 * 2 -> 1 * 1.5 = [3, 1.5]
152 should(channelData0, 'Channel #0').containValues([3, 1.5]);
153 should(valueChangeIndexCh0, 'The index of value change in channel #0')
154 .beEqualTo(disconnectIndex);
155
156 // Expected values are: 2 * 1.5 * 2 -> 2 * 1.5 = [6, 3]
157 should(channelData1, 'Channel #1').containValues([6, 3]);
158 should(valueChangeIndexCh1, 'The index of value change in channel #1')
159 .beEqualTo(disconnectIndex);
160
161 }).then(() => task.done());
162 });
163
164 // Task 3: exception checks.
165 audit.define('exceptions', (task, should) => {
166 var context = new AudioContext();
167 var gain1 = context.createGain();
168 var splitter = context.createChannelSplitter(2);
169 var gain2 = context.createGain();
170 var gain3 = context.createGain();
171
172 // Connect a splitter to gain nodes and merger so we can test the possible
173 // ways of disconnecting the nodes to verify that appropriate exceptions
174 // are thrown.
175 gain1.connect(splitter);
176 splitter.connect(gain2.gain, 0);
177 splitter.connect(gain3.gain, 1);
178 gain2.connect(gain3);
179 gain3.connect(context.destination);
180
181 // gain1 is not connected to gain3.gain. Exception should be thrown.
182 should(function () {
183 gain1.disconnect(gain3.gain);
184 }, 'gain1.disconnect(gain3.gain)').throw('InvalidAccessError');
185
186 // When the output index is good but the destination is invalid.
187 should(function () {
188 splitter.disconnect(gain1.gain, 1);
189 }, 'splitter.disconnect(gain1.gain, 1)').throw('InvalidAccessError');
190
191 // When both arguments are wrong, throw IndexSizeError first.
192 should(function () {
193 splitter.disconnect(gain1.gain, 2);
194 }, 'splitter.disconnect(gain1.gain, 2)').throw('IndexSizeError');
195
196 task.done();
197 });
198
199 audit.run();
200 </script>
201 </body>
202
203 </html> 214 </html>
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