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Merge pull request #32 from shamaton/case_crash
Return error when strange data is received
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,87 @@ | ||
package msgpack_test | ||
|
||
import ( | ||
"io" | ||
"os" | ||
"path/filepath" | ||
"runtime" | ||
"sync" | ||
"testing" | ||
|
||
"github.com/shamaton/msgpack/v2" | ||
) | ||
|
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var crashDir = filepath.Join("testdata", "crashers") | ||
|
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func TestCrashBinary(t *testing.T) { | ||
entries, err := os.ReadDir(crashDir) | ||
if err != nil { | ||
t.Fatalf("os.ReadDir error. err: %+v", err) | ||
} | ||
|
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ch := make(chan string, len(entries)) | ||
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// worker | ||
wg := sync.WaitGroup{} | ||
for i := 0; i < runtime.NumCPU(); i++ { | ||
wg.Add(1) | ||
go check(t, &wg, ch) | ||
} | ||
|
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for _, entry := range entries { | ||
ch <- filepath.Join(crashDir, entry.Name()) | ||
} | ||
close(ch) | ||
wg.Wait() | ||
} | ||
|
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func check(t *testing.T, wg *sync.WaitGroup, ch <-chan string) { | ||
var ( | ||
path string | ||
ok bool | ||
data []byte | ||
) | ||
t.Helper() | ||
defer wg.Done() | ||
defer func() { | ||
if e := recover(); e != nil { | ||
t.Logf("panic occurred.\nfile: %s\nlen: %d\nbin: % x\nerr: %+v", | ||
path, len(data), data, e, | ||
) | ||
} | ||
}() | ||
|
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for { | ||
path, ok = <-ch // closeされると ok が false になる | ||
if !ok { | ||
return | ||
} | ||
|
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file, err := os.Open(path) | ||
if err != nil { | ||
t.Logf("%s file open error. err: %+v", path, err) | ||
t.Fail() | ||
return | ||
} | ||
|
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data, err = io.ReadAll(file) | ||
if err != nil { | ||
t.Logf("%s io.ReadAll error. err: %+v", path, err) | ||
t.Fail() | ||
return | ||
} | ||
|
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var r interface{} | ||
err = msgpack.Unmarshal(data, &r) | ||
if err == nil { | ||
t.Logf("err should be occurred.\nname: %s\nlen: %d\nbin: % x", | ||
file.Name(), len(data), data, | ||
) | ||
t.Fail() | ||
return | ||
} | ||
|
||
path = "" | ||
data = nil | ||
} | ||
} |
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