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- // Copyright 2019 The Go Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style
- // license that can be found in the LICENSE file.
- package testgodefs
- import (
- "bytes"
- "os"
- "os/exec"
- "path/filepath"
- "strings"
- "testing"
- )
- // We are testing cgo -godefs, which translates Go files that use
- // import "C" into Go files with Go definitions of types defined in the
- // import "C" block. Add more tests here.
- var filePrefixes = []string{
- "anonunion",
- "bitfields",
- "issue8478",
- "fieldtypedef",
- "issue37479",
- "issue37621",
- "issue38649",
- "issue39534",
- "issue48396",
- }
- func TestGoDefs(t *testing.T) {
- testdata, err := filepath.Abs("testdata")
- if err != nil {
- t.Fatal(err)
- }
- gopath, err := os.MkdirTemp("", "testgodefs-gopath")
- if err != nil {
- t.Fatal(err)
- }
- defer os.RemoveAll(gopath)
- dir := filepath.Join(gopath, "src", "testgodefs")
- if err := os.MkdirAll(dir, 0755); err != nil {
- t.Fatal(err)
- }
- for _, fp := range filePrefixes {
- cmd := exec.Command("go", "tool", "cgo",
- "-godefs",
- "-srcdir", testdata,
- "-objdir", dir,
- fp+".go")
- cmd.Stderr = new(bytes.Buffer)
- out, err := cmd.Output()
- if err != nil {
- t.Fatalf("%s: %v\n%s", strings.Join(cmd.Args, " "), err, cmd.Stderr)
- }
- if err := os.WriteFile(filepath.Join(dir, fp+"_defs.go"), out, 0644); err != nil {
- t.Fatal(err)
- }
- }
- main, err := os.ReadFile(filepath.Join("testdata", "main.go"))
- if err != nil {
- t.Fatal(err)
- }
- if err := os.WriteFile(filepath.Join(dir, "main.go"), main, 0644); err != nil {
- t.Fatal(err)
- }
- if err := os.WriteFile(filepath.Join(dir, "go.mod"), []byte("module testgodefs\ngo 1.14\n"), 0644); err != nil {
- t.Fatal(err)
- }
- // Use 'go run' to build and run the resulting binary in a single step,
- // instead of invoking 'go build' and the resulting binary separately, so that
- // this test can pass on mobile builders, which do not copy artifacts back
- // from remote invocations.
- cmd := exec.Command("go", "run", ".")
- cmd.Env = append(os.Environ(), "GOPATH="+gopath)
- cmd.Dir = dir
- if out, err := cmd.CombinedOutput(); err != nil {
- t.Fatalf("%s [%s]: %v\n%s", strings.Join(cmd.Args, " "), dir, err, out)
- }
- }
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