wehub-resource-sync
51 lines
1.1 KiB
Go
51 lines
1.1 KiB
Go
package mediactl
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import (
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"math"
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"testing"
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)
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func TestVolumeConversionClamps(t *testing.T) {
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dbCases := []struct {
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name string
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in float64
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want float64
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}{
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{name: "db floor", in: -50, want: 0},
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{name: "db ceiling", in: 20, want: 1},
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}
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for _, tt := range dbCases {
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t.Run(tt.name, func(t *testing.T) {
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if got := dbToLinear(tt.in); got != tt.want {
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t.Fatalf("dbToLinear(%v) = %v, want %v", tt.in, got, tt.want)
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}
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})
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}
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linearCases := []struct {
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name string
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in float64
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want float64
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}{
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{name: "linear floor", in: -1, want: -30},
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{name: "linear ceiling", in: 2, want: 6},
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}
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for _, tt := range linearCases {
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t.Run(tt.name, func(t *testing.T) {
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if got := linearToDb(tt.in); got != tt.want {
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t.Fatalf("linearToDb(%v) = %v, want %v", tt.in, got, tt.want)
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}
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})
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}
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}
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func TestVolumeConversionRoundTrip(t *testing.T) {
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for _, db := range []float64{-30, -20, -10, -6, -3, 0, 3, 6} {
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linear := dbToLinear(db)
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got := linearToDb(linear)
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if math.Abs(got-db) > 0.01 {
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t.Fatalf("linearToDb(dbToLinear(%v)) = %v, want %v", db, got, db)
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}
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}
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}
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