Dmitry Sergeev
30 lines
759 B
Go
30 lines
759 B
Go
package main
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import (
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"testing"
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"time"
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)
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func TestRemainingFrameTime(t *testing.T) {
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start := time.Date(2026, time.September, 2, 0, 0, 0, 0, time.UTC)
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interval := 16 * time.Millisecond
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tests := []struct {
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name string
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elapsed time.Duration
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want time.Duration
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}{
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{name: "no work", want: interval},
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{name: "partial budget", elapsed: 5 * time.Millisecond, want: 11 * time.Millisecond},
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{name: "exact budget", elapsed: interval},
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{name: "over budget", elapsed: 20 * time.Millisecond},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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got := remainingFrameTime(start, start.Add(test.elapsed), interval)
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if got != test.want {
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t.Fatalf("remainingFrameTime() = %v, want %v", got, test.want)
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}
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})
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}
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}
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