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* utils: vtt: add tests In lieu of documentation. * utils: vtt: rewrite for correctness and simplicity Now handles fractional seconds and negative values correctly.
42 lines
1.3 KiB
Go
42 lines
1.3 KiB
Go
package utils
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import (
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"math"
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"testing"
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)
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func TestZeroTimestamp(t *testing.T) {
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if want, got := "00:00:00.000", GetVTTTime(0); want != got {
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t.Errorf("TestZeroTimestamp: GetVTTTime(0) = %v; want %v", got, want)
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}
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}
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func TestValidTimestamp(t *testing.T) {
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s := 0.1
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if want, got := "00:00:00.100", GetVTTTime(s); want != got {
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t.Errorf("TestValidTimestamp: GetVTTTime(%v) = %v; want %v", s, got, want)
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}
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s = ((24+1)*60+1)*60 + 1 + 0.1
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if want, got := "25:01:01.100", GetVTTTime(s); want != got {
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t.Errorf("TestValidTimestamp: GetVTTTime(%v) = %v; want %v", s, got, want)
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}
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}
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// Negative timestamps are not defined by WebVTT.
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func TestNegativeTimestamp(t *testing.T) {
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if want, got := "00:00:00.000", GetVTTTime(-1); want != got {
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t.Errorf("TestNegativeTimestamp: GetVTTTime(-1) = %v; want %v", got, want)
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}
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}
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func TestInvalidTimestamp(t *testing.T) {
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if want, got := "00:00:00.000", GetVTTTime(math.NaN()); want != got {
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t.Errorf("TestInvalidTimestamp: GetVTTTime(NaN) = %v; want %v", got, want)
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}
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if want, got := "00:00:00.000", GetVTTTime(math.Inf(1)); want != got {
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t.Errorf("TestInvalidTimestamp: GetVTTTime(Inf) = %v; want %v", got, want)
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}
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if want, got := "00:00:00.000", GetVTTTime(math.Inf(-1)); want != got {
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t.Errorf("TestInvalidTimestamp: GetVTTTime(-Inf) = %v; want %v", got, want)
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}
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}
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