github.com/mier85/go-sensor@v1.30.1-0.20220920111756-9bf41b3bc7e0/autoprofile/internal/allocation_sampler_test.go (about)

     1  // (c) Copyright IBM Corp. 2021
     2  // (c) Copyright Instana Inc. 2020
     3  
     4  package internal_test
     5  
     6  import (
     7  	"fmt"
     8  	"runtime"
     9  	"testing"
    10  
    11  	"github.com/instana/testify/assert"
    12  	"github.com/instana/testify/require"
    13  	"github.com/mier85/go-sensor/autoprofile/internal"
    14  )
    15  
    16  var objs []string
    17  
    18  func TestCreateAllocationCallGraph(t *testing.T) {
    19  	objs = make([]string, 1000000)
    20  	defer func() { objs = nil }()
    21  
    22  	runtime.GC()
    23  	runtime.GC()
    24  
    25  	samp := internal.NewAllocationSampler()
    26  	internal.IncludeProfilerFrames = true
    27  
    28  	profile, err := samp.Profile(500*1e6, 120)
    29  	require.NoError(t, err)
    30  
    31  	assert.Contains(t, fmt.Sprintf("%v", internal.NewAgentProfile(profile)), "TestCreateAllocationCallGraph")
    32  }