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// Copyright 2020 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
package prog
import (
"fmt"
"strings"
"testing"
)
func InitTargetTest(t *testing.T, os, arch string) *Target {
t.Parallel()
target, err := GetTarget(os, arch)
if err != nil {
t.Fatal(err)
}
return target
}
type DeserializeTest struct {
In string
Out string
Err string
StrictErr string
}
func TestDeserializeHelper(t *testing.T, OS, arch string, transform func(*Target, *Prog), tests []DeserializeTest) {
target := InitTargetTest(t, OS, arch)
buf := make([]byte, ExecBufferSize)
for testidx, test := range tests {
t.Run(fmt.Sprint(testidx), func(t *testing.T) {
if test.StrictErr == "" {
test.StrictErr = test.Err
}
if test.Err != "" && test.Out != "" {
t.Fatalf("both Err and Out are set")
}
for _, mode := range []DeserializeMode{NonStrict, Strict} {
p, err := target.Deserialize([]byte(test.In), mode)
wantErr := test.Err
if mode == Strict {
wantErr = test.StrictErr
}
if err != nil {
if wantErr == "" {
t.Fatalf("deserialization failed with\n%s\ndata:\n%s\n",
err, test.In)
}
if !strings.Contains(err.Error(), wantErr) {
t.Fatalf("deserialization failed with\n%s\nwhich doesn't match\n%s\ndata:\n%s",
err, wantErr, test.In)
}
} else {
if wantErr != "" {
t.Fatalf("deserialization should have failed with:\n%s\ndata:\n%s\n",
wantErr, test.In)
}
if transform != nil {
transform(target, p)
}
output := strings.TrimSpace(string(p.Serialize()))
want := strings.TrimSpace(test.Out)
if want != "" && want != output {
t.Fatalf("wrong serialized data:\n%s\nexpect:\n%s\n", output, want)
}
p.SerializeForExec(buf)
}
}
})
}
}
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