Ekaterina Lebedeva
a685fcdc96
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Since Go 1.22 a "for" statement with a "range" clause is able
to iterate through integer values from zero to an upper limit.
gopatch script:
@@
var i, e expression
@@
-for i := 0; i <= e - 1; i++ {
+for i := range e {
...
}
@@
var i, e expression
@@
-for i := 0; i <= e; i++ {
+for i := range e + 1 {
...
}
@@
var i, e expression
@@
-for i := 0; i < e; i++ {
+for i := range e {
...
}
Signed-off-by: Ekaterina Lebedeva <ekaterina.lebedeva@yadro.com>
32 lines
561 B
Go
32 lines
561 B
Go
package sync
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import (
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"context"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"golang.org/x/sync/errgroup"
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)
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func TestKeyLocker(t *testing.T) {
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taken := false
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eg, _ := errgroup.WithContext(context.Background())
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keyLocker := NewKeyLocker[int]()
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for range 100 {
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eg.Go(func() error {
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keyLocker.Lock(0)
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defer keyLocker.Unlock(0)
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require.False(t, taken)
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taken = true
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require.True(t, taken)
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time.Sleep(10 * time.Millisecond)
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taken = false
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require.False(t, taken)
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return nil
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})
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}
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require.NoError(t, eg.Wait())
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}
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