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70 lines
1.7 KiB
70 lines
1.7 KiB
4 months ago
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// Copyright 2020 Google LLC
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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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package mypackagebeingfuzzed
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import (
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"io/ioutil"
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"os"
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"runtime/pprof"
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"testing"
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)
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func TestFuzzCorpus(t *testing.T) {
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dir := os.Getenv("FUZZ_CORPUS_DIR")
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if dir == "" {
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t.Logf("No fuzzing corpus directory set")
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return
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}
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infos, err := ioutil.ReadDir(dir)
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if err != nil {
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t.Logf("Not fuzzing corpus directory %s", err)
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return
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}
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filename := ""
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defer func() {
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if r := recover(); r != nil {
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t.Error("Fuzz panicked in "+filename, r)
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}
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}()
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profname := os.Getenv("FUZZ_PROFILE_NAME")
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if profname != "" {
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f, err := os.Create(profname + ".cpu.prof")
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if err != nil {
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t.Logf("error creating profile file %s\n", err)
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} else {
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_ = pprof.StartCPUProfile(f)
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}
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}
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for i := range infos {
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filename = dir + infos[i].Name()
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data, err := ioutil.ReadFile(filename)
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if err != nil {
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t.Error("Failed to read corpus file", err)
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}
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FuzzFunction(data)
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}
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if profname != "" {
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pprof.StopCPUProfile()
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f, err := os.Create(profname + ".heap.prof")
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if err != nil {
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t.Logf("error creating heap profile file %s\n", err)
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}
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if err = pprof.WriteHeapProfile(f); err != nil {
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t.Logf("error writing heap profile file %s\n", err)
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}
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f.Close()
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}
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}
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