mirror of https://github.com/milvus-io/milvus.git
299 lines
8.5 KiB
Go
299 lines
8.5 KiB
Go
package cgo
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import (
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"context"
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"fmt"
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"os"
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"runtime"
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"sync"
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"testing"
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"time"
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"github.com/cockroachdb/errors"
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"github.com/stretchr/testify/assert"
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"github.com/milvus-io/milvus/pkg/util/merr"
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"github.com/milvus-io/milvus/pkg/util/paramtable"
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)
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func TestMain(m *testing.M) {
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paramtable.Init()
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initCGO()
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exitCode := m.Run()
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if exitCode > 0 {
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os.Exit(exitCode)
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}
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}
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func TestFutureWithConcurrentReleaseAndCancel(t *testing.T) {
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wg := sync.WaitGroup{}
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for i := 0; i < 20; i++ {
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future := createFutureWithTestCase(context.Background(), testCase{
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interval: 100 * time.Millisecond,
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loopCnt: 10,
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caseNo: 100,
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})
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wg.Add(3)
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// Double release should be ok.
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go func() {
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defer wg.Done()
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future.Release()
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}()
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go func() {
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defer wg.Done()
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future.Release()
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}()
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go func() {
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defer wg.Done()
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future.cancel(context.DeadlineExceeded)
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}()
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}
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wg.Wait()
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}
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func TestFutureWithSuccessCase(t *testing.T) {
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// Test success case.
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future := createFutureWithTestCase(context.Background(), testCase{
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interval: 100 * time.Millisecond,
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loopCnt: 10,
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caseNo: 100,
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})
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defer future.Release()
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start := time.Now()
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future.BlockUntilReady() // test block until ready too.
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result, err := future.BlockAndLeakyGet()
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assert.NoError(t, err)
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assert.Equal(t, 100, getCInt(result))
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// The inner function sleep 1 seconds, so the future cost must be greater than 0.5 seconds.
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assert.Greater(t, time.Since(start).Seconds(), 0.5)
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// free the result after used.
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freeCInt(result)
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runtime.GC()
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_, err = future.BlockAndLeakyGet()
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assert.ErrorIs(t, err, ErrConsumed)
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}
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func TestFutureWithCaseNoInterrupt(t *testing.T) {
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// Test success case.
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future := createFutureWithTestCase(context.Background(), testCase{
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interval: 100 * time.Millisecond,
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loopCnt: 10,
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caseNo: caseNoNoInterrupt,
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})
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defer future.Release()
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start := time.Now()
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future.BlockUntilReady() // test block until ready too.
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result, err := future.BlockAndLeakyGet()
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assert.NoError(t, err)
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assert.Equal(t, 0, getCInt(result))
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// The inner function sleep 1 seconds, so the future cost must be greater than 0.5 seconds.
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assert.Greater(t, time.Since(start).Seconds(), 0.5)
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// free the result after used.
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freeCInt(result)
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// Test cancellation on no interrupt handling case.
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start = time.Now()
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ctx, cancel := context.WithTimeout(context.Background(), 200*time.Millisecond)
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defer cancel()
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future = createFutureWithTestCase(ctx, testCase{
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interval: 100 * time.Millisecond,
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loopCnt: 20,
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caseNo: caseNoNoInterrupt,
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})
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defer future.Release()
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result, err = future.BlockAndLeakyGet()
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// the future is timeout by the context after 200ms, but the underlying task doesn't handle the cancel, the future will return after 2s.
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assert.Greater(t, time.Since(start).Seconds(), 2.0)
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assert.NoError(t, err)
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assert.NotNil(t, result)
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assert.Equal(t, 0, getCInt(result))
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freeCInt(result)
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}
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// TestFutures test the future implementation.
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func TestFutures(t *testing.T) {
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// Test failed case, throw folly exception.
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future := createFutureWithTestCase(context.Background(), testCase{
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interval: 100 * time.Millisecond,
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loopCnt: 10,
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caseNo: caseNoThrowStdException,
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})
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defer future.Release()
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start := time.Now()
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future.BlockUntilReady() // test block until ready too.
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result, err := future.BlockAndLeakyGet()
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assert.Error(t, err)
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assert.ErrorIs(t, err, merr.ErrSegcoreUnsupported)
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assert.Nil(t, result)
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// The inner function sleep 1 seconds, so the future cost must be greater than 0.5 seconds.
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assert.Greater(t, time.Since(start).Seconds(), 0.5)
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// Test failed case, throw std exception.
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future = createFutureWithTestCase(context.Background(), testCase{
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interval: 100 * time.Millisecond,
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loopCnt: 10,
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caseNo: caseNoThrowFollyException,
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})
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defer future.Release()
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start = time.Now()
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future.BlockUntilReady() // test block until ready too.
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result, err = future.BlockAndLeakyGet()
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assert.Error(t, err)
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assert.ErrorIs(t, err, merr.ErrSegcoreFollyOtherException)
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assert.Nil(t, result)
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// The inner function sleep 1 seconds, so the future cost must be greater than 0.5 seconds.
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assert.Greater(t, time.Since(start).Seconds(), 0.5)
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// free the result after used.
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// Test failed case, throw std exception.
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future = createFutureWithTestCase(context.Background(), testCase{
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interval: 100 * time.Millisecond,
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loopCnt: 10,
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caseNo: caseNoThrowSegcoreException,
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})
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defer future.Release()
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start = time.Now()
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future.BlockUntilReady() // test block until ready too.
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result, err = future.BlockAndLeakyGet()
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assert.Error(t, err)
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assert.ErrorIs(t, err, merr.ErrSegcorePretendFinished)
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assert.Nil(t, result)
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// The inner function sleep 1 seconds, so the future cost must be greater than 0.5 seconds.
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assert.Greater(t, time.Since(start).Seconds(), 0.5)
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// free the result after used.
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// Test cancellation.
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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future = createFutureWithTestCase(ctx, testCase{
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interval: 100 * time.Millisecond,
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loopCnt: 20,
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caseNo: 100,
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})
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defer future.Release()
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// canceled before the future(2s) is ready.
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go func() {
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time.Sleep(200 * time.Millisecond)
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cancel()
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}()
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start = time.Now()
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result, err = future.BlockAndLeakyGet()
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// the future is canceled by the context after 200ms, so the future should be done in 1s but not 2s.
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assert.Less(t, time.Since(start).Seconds(), 1.0)
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assert.Error(t, err)
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assert.ErrorIs(t, err, merr.ErrSegcoreFollyCancel)
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assert.True(t, errors.Is(err, context.Canceled))
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assert.Nil(t, result)
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// Test cancellation.
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ctx, cancel = context.WithTimeout(context.Background(), 200*time.Millisecond)
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defer cancel()
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future = createFutureWithTestCase(ctx, testCase{
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interval: 100 * time.Millisecond,
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loopCnt: 20,
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caseNo: 100,
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})
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defer future.Release()
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start = time.Now()
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result, err = future.BlockAndLeakyGet()
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// the future is timeout by the context after 200ms, so the future should be done in 1s but not 2s.
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assert.Less(t, time.Since(start).Seconds(), 1.0)
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assert.Error(t, err)
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assert.ErrorIs(t, err, merr.ErrSegcoreFollyCancel)
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assert.True(t, errors.Is(err, context.DeadlineExceeded))
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assert.Nil(t, result)
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runtime.GC()
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}
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func TestConcurrent(t *testing.T) {
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// Test is compatible with old implementation of fast fail future.
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// So it's complicated and not easy to understand.
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wg := sync.WaitGroup{}
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for i := 0; i < 3; i++ {
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wg.Add(4)
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// success case
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go func() {
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defer wg.Done()
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// Test success case.
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future := createFutureWithTestCase(context.Background(), testCase{
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interval: 100 * time.Millisecond,
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loopCnt: 10,
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caseNo: 100,
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})
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defer future.Release()
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result, err := future.BlockAndLeakyGet()
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assert.NoError(t, err)
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assert.Equal(t, 100, getCInt(result))
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freeCInt(result)
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}()
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// fail case
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go func() {
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defer wg.Done()
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// Test success case.
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future := createFutureWithTestCase(context.Background(), testCase{
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interval: 100 * time.Millisecond,
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loopCnt: 10,
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caseNo: caseNoThrowStdException,
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})
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defer future.Release()
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result, err := future.BlockAndLeakyGet()
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assert.Error(t, err)
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assert.Nil(t, result)
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}()
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// timeout case
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go func() {
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defer wg.Done()
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ctx, cancel := context.WithTimeout(context.Background(), 200*time.Millisecond)
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defer cancel()
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future := createFutureWithTestCase(ctx, testCase{
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interval: 100 * time.Millisecond,
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loopCnt: 20,
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caseNo: 100,
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})
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defer future.Release()
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result, err := future.BlockAndLeakyGet()
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assert.Error(t, err)
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assert.ErrorIs(t, err, merr.ErrSegcoreFollyCancel)
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assert.True(t, errors.Is(err, context.DeadlineExceeded))
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assert.Nil(t, result)
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}()
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// no interrupt with timeout case
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go func() {
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defer wg.Done()
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ctx, cancel := context.WithTimeout(context.Background(), 200*time.Millisecond)
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defer cancel()
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future := createFutureWithTestCase(ctx, testCase{
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interval: 100 * time.Millisecond,
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loopCnt: 10,
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caseNo: caseNoNoInterrupt,
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})
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defer future.Release()
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result, err := future.BlockAndLeakyGet()
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if err == nil {
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assert.Equal(t, 0, getCInt(result))
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} else {
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// the future may be queued and not started,
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// so the underlying task may be throw a cancel exception if it's not started.
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assert.ErrorIs(t, err, merr.ErrSegcoreFollyCancel)
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assert.True(t, errors.Is(err, context.DeadlineExceeded))
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}
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freeCInt(result)
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}()
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}
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wg.Wait()
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assert.Eventually(t, func() bool {
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stat := futureManager.Stat()
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fmt.Printf("active count: %d\n", stat.ActiveCount)
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return stat.ActiveCount == 0
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}, 5*time.Second, 100*time.Millisecond)
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runtime.GC()
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}
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