132187f04c
* Modified tests to use tlogger. * Fail on errors, with error expectations. * Added expects and MixedCapsed grpclb_config tests * Moved tlogger to grpctest, moved leakcheck tester to grpctest.go * Added ExpectErrorN() * Removed redundant leak checks * Fixed new test * Made tlogger globals into tlogger methods * ErrorsLeft -> EndTest * Removed some redundant lines * Fixed error in test and empty map in EndTest
122 lines
2.5 KiB
Go
122 lines
2.5 KiB
Go
/*
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* Copyright 2019 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package buffer
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import (
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"reflect"
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"sort"
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"sync"
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"testing"
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"google.golang.org/grpc/internal/grpctest"
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)
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const (
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numWriters = 10
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numWrites = 10
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)
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type s struct {
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grpctest.Tester
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}
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func Test(t *testing.T) {
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grpctest.RunSubTests(t, s{})
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}
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// wantReads contains the set of values expected to be read by the reader
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// goroutine in the tests.
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var wantReads []int
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func init() {
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for i := 0; i < numWriters; i++ {
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for j := 0; j < numWrites; j++ {
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wantReads = append(wantReads, i)
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}
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}
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}
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// TestSingleWriter starts one reader and one writer goroutine and makes sure
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// that the reader gets all the value added to the buffer by the writer.
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func (s) TestSingleWriter(t *testing.T) {
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ub := NewUnbounded()
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reads := []int{}
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var wg sync.WaitGroup
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wg.Add(1)
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go func() {
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defer wg.Done()
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ch := ub.Get()
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for i := 0; i < numWriters*numWrites; i++ {
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r := <-ch
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reads = append(reads, r.(int))
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ub.Load()
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}
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}()
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wg.Add(1)
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go func() {
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defer wg.Done()
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for i := 0; i < numWriters; i++ {
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for j := 0; j < numWrites; j++ {
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ub.Put(i)
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}
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}
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}()
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wg.Wait()
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if !reflect.DeepEqual(reads, wantReads) {
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t.Errorf("reads: %#v, wantReads: %#v", reads, wantReads)
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}
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}
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// TestMultipleWriters starts multiple writers and one reader goroutine and
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// makes sure that the reader gets all the data written by all writers.
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func (s) TestMultipleWriters(t *testing.T) {
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ub := NewUnbounded()
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reads := []int{}
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var wg sync.WaitGroup
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wg.Add(1)
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go func() {
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defer wg.Done()
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ch := ub.Get()
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for i := 0; i < numWriters*numWrites; i++ {
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r := <-ch
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reads = append(reads, r.(int))
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ub.Load()
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}
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}()
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wg.Add(numWriters)
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for i := 0; i < numWriters; i++ {
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go func(index int) {
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defer wg.Done()
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for j := 0; j < numWrites; j++ {
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ub.Put(index)
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}
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}(i)
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}
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wg.Wait()
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sort.Ints(reads)
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if !reflect.DeepEqual(reads, wantReads) {
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t.Errorf("reads: %#v, wantReads: %#v", reads, wantReads)
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}
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}
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