yaole
46 lines
765 B
Go
46 lines
765 B
Go
package final
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import (
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"runtime"
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"testing"
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"time"
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)
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type A struct {
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tag string
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t *testing.T
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}
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func NewA(tag string, t *testing.T) *A {
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t.Log(tag, "init")
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a := &A{tag: tag, t: t}
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SetFinalizer(a)
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return a
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}
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func (a *A) Finalizer() {
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a.t.Log(a.tag, "final")
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}
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func function(t *testing.T) {
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a := NewA("a in function", t)
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_ = a
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}
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// $ go test -run=TestFinal -v
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// === RUN TestFinal
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// TestFinal: final_test.go:15: a init
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// TestFinal: final_test.go:15: a in function init
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// TestFinal: final_test.go:22: a in function final
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// TestFinal: final_test.go:22: a final
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// --- PASS: TestFinal (1.00s)
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// PASS
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func TestFinal(t *testing.T) {
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a := NewA("a", t)
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function(t)
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_ = a
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runtime.GC()
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time.Sleep(1 * time.Second)
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runtime.GC()
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}
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