38 lines
1003 B
HTML
38 lines
1003 B
HTML
<!DOCTYPE html>
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<html>
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<body>
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<script src="../resources/js-test.js"></script>
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<script>
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description("Tests the limits of BiquadFilterNode's AudioParam attributes");
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context = new OfflineAudioContext({ sampleRate: 44100, length: 100 });
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node = new BiquadFilterNode(context);
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const FLT_MAX = 3.4028235e38;
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function diff(a, b)
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{
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if (a > b)
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return a - b;
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return b - a;
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}
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shouldBe("node.frequency.defaultValue", "350");
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shouldBe("node.frequency.minValue", "0");
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shouldBe("node.frequency.maxValue", "0.5 * context.sampleRate");
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shouldBe("node.detune.defaultValue", "0");
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shouldBe("node.detune.minValue", "-153600");
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shouldBe("node.detune.maxValue", "153600");
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shouldBe("node.Q.defaultValue", "1");
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shouldBeTrue("diff(node.Q.minValue, -FLT_MAX) < 1e31");
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shouldBeTrue("diff(node.Q.maxValue, FLT_MAX) < 1e31");
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shouldBe("node.gain.defaultValue", "0");
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shouldBeTrue("diff(node.gain.minValue, -FLT_MAX) < 1e31");
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shouldBeTrue("diff(node.gain.maxValue, 1541) < 1");
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</script>
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</body>
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</html>
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