Carlos Florêncio
30 lines
589 B
Go
30 lines
589 B
Go
package taskdependencies
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import (
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"testing"
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"time"
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)
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func TestAcquireMutationLockSerializesCallers(t *testing.T) {
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unlock := AcquireMutationLock()
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acquired := make(chan struct{})
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go func() {
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secondUnlock := AcquireMutationLock()
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close(acquired)
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secondUnlock()
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}()
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select {
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case <-acquired:
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t.Fatal("second caller acquired the mutation lock before the first released it")
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case <-time.After(100 * time.Millisecond):
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}
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unlock()
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select {
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case <-acquired:
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case <-time.After(time.Second):
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t.Fatal("second caller did not acquire the mutation lock after release")
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}
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}
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