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15 package org.htmlunit.javascript.host.media;
16
17 import org.htmlunit.WebDriverTestCase;
18 import org.htmlunit.junit.annotation.Alerts;
19 import org.junit.jupiter.api.Test;
20
21
22
23
24
25
26 public class AudioContextTest extends WebDriverTestCase {
27
28
29
30
31 @Test
32 @Alerts("true")
33 public void inWindow() throws Exception {
34 final String html = DOCTYPE_HTML
35 + "<html>\n"
36 + "<head>\n"
37 + " <script>\n"
38 + LOG_TITLE_FUNCTION
39 + " function test() {\n"
40 + " log('AudioContext' in window);\n"
41 + " }\n"
42 + " </script>\n"
43 + "</head>\n"
44 + "<body onload='test()'>\n"
45 + "</body>\n"
46 + "</html>";
47
48 loadPageVerifyTitle2(html);
49 }
50
51
52
53
54 @Test
55 @Alerts({"function", "[object AudioContext]"})
56 public void ctor() throws Exception {
57 final String html = DOCTYPE_HTML
58 + "<html>\n"
59 + "<head>\n"
60 + " <script>\n"
61 + LOG_TEXTAREA_FUNCTION
62
63 + " function test() {\n"
64 + " if (!('AudioContext' in window)) {\n"
65 + " log('AudioContext not available');\n"
66 + " return;\n"
67 + " }\n"
68
69 + " try {\n"
70 + " log(typeof AudioContext);\n"
71 + " log(new AudioContext());\n"
72 + " } catch(e) { logEx(e); }\n"
73 + " }\n"
74 + " </script>\n"
75 + "</head>\n"
76 + "<body onload='test()'>\n"
77 + LOG_TEXTAREA
78 + "</body>\n"
79 + "</html>";
80
81 loadPageVerifyTextArea2(html);
82 }
83
84
85
86
87 @Test
88 @Alerts("[object AudioBufferSourceNode]")
89 public void createBufferSource() throws Exception {
90 final String html = DOCTYPE_HTML
91 + "<html>\n"
92 + "<head>\n"
93 + " <script>\n"
94 + LOG_TITLE_FUNCTION
95 + " function test() {\n"
96 + " if (!('AudioContext' in window)) {\n"
97 + " log('AudioContext not available');\n"
98 + " return;\n"
99 + " }\n"
100
101 + " var audioCtx = new AudioContext();\n"
102 + " var source = audioCtx.createBufferSource();\n"
103 + " log(source);\n"
104 + " }\n"
105 + " </script>\n"
106 + "</head>\n"
107 + "<body onload='test()'>\n"
108 + "</body>\n"
109 + "</html>";
110
111 loadPageVerifyTitle2(html);
112 }
113
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115
116
117 @Test
118 @Alerts({"AudioContext prep done", "Error with decoding audio data"})
119 public void decodeAudioData() throws Exception {
120 final String html = DOCTYPE_HTML
121 + "<html>\n"
122 + "<head>\n"
123 + " <script>\n"
124 + LOG_TEXTAREA_FUNCTION
125
126 + " function test() {\n"
127 + " if (!('AudioContext' in window)) {\n"
128 + " log('AudioContext not available');\n"
129 + " return;\n"
130 + " }\n"
131
132 + " var audioCtx = new AudioContext();\n"
133 + " var audioData = new ArrayBuffer(0);\n"
134 + " audioCtx.decodeAudioData(audioData,\n"
135 + " function(buffer) { log('Decoding audio data done'); },\n"
136 + " function(e) { log('Error with decoding audio data'); }\n"
137 + " );\n"
138 + " log('AudioContext prep done');\n"
139 + " }\n"
140 + " </script>\n"
141 + "</head>\n"
142 + "<body onload='test()'>\n"
143 + LOG_TEXTAREA
144 + "</body>\n"
145 + "</html>";
146
147 loadPageVerifyTextArea2(html);
148 }
149
150
151
152
153 @Test
154 @Alerts({"AudioContext prep done", "Error with decoding audio data"})
155 public void decodeAudioData2() throws Exception {
156 final String html = DOCTYPE_HTML
157 + "<html>\n"
158 + "<head>\n"
159 + " <script>\n"
160 + LOG_TEXTAREA_FUNCTION
161
162 + " function test() {\n"
163 + " if (!('AudioContext' in window)) {\n"
164 + " log('AudioContext not available');\n"
165 + " return;\n"
166 + " }\n"
167
168 + " var audioCtx = new AudioContext();\n"
169 + " var audioData = new ArrayBuffer(0);\n"
170 + " audioCtx.decodeAudioData(audioData).then(\n"
171 + " function(buffer) { log('Decoding audio data done'); },\n"
172 + " function(e) { log('Error with decoding audio data'); }\n"
173 + " );\n"
174 + " log('AudioContext prep done');\n"
175 + " }\n"
176 + " </script>\n"
177 + "</head>\n"
178 + "<body onload='test()'>\n"
179 + LOG_TEXTAREA
180 + "</body>\n"
181 + "</html>";
182
183 loadPageVerifyTextArea2(html);
184 }
185
186
187
188
189 @Test
190 @Alerts({"1", "-3.4028234663852886e+38", "3.4028234663852886e+38", "1", "0.5"})
191 public void createGain() throws Exception {
192 final String html = DOCTYPE_HTML
193 + "<html>\n"
194 + "<head>\n"
195 + " <script>\n"
196 + LOG_TEXTAREA_FUNCTION
197
198 + " function test() {\n"
199 + " if (!('AudioContext' in window)) {\n"
200 + " log('AudioContext not available');\n"
201 + " return;\n"
202 + " }\n"
203
204 + " var audioCtx = new AudioContext();\n"
205 + " var gainNode = audioCtx.createGain();\n"
206 + " log(gainNode.gain.defaultValue);\n"
207 + " log(gainNode.gain.minValue);\n"
208 + " log(gainNode.gain.maxValue);\n"
209 + " log(gainNode.gain.value);\n"
210
211 + " gainNode.gain.value = 0.5;\n"
212 + " log(gainNode.gain.value);\n"
213 + " }\n"
214 + " </script>\n"
215 + "</head>\n"
216 + "<body onload='test()'>\n"
217 + LOG_TEXTAREA
218 + "</body>\n"
219 + "</html>";
220
221 loadPageVerifyTextArea2(html);
222 }
223 }