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// Copyright 2014 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 buildutil_test
import (
"go/build"
"os"
"path/filepath"
"runtime"
"testing"
"llvm.org/llgo/third_party/gotools/go/buildutil"
)
func TestContainingPackage(t *testing.T) {
// unvirtualized:
goroot := runtime.GOROOT()
gopath := filepath.SplitList(os.Getenv("GOPATH"))[0]
for _, test := range [][2]string{
{goroot + "/src/fmt/print.go", "fmt"},
{goroot + "/src/encoding/json/foo.go", "encoding/json"},
{goroot + "/src/encoding/missing/foo.go", "(not found)"},
{gopath + "/src/golang.org/x/tools/go/buildutil/util_test.go",
"llvm.org/llgo/third_party/gotools/go/buildutil"},
} {
file, want := test[0], test[1]
bp, err := buildutil.ContainingPackage(&build.Default, ".", file)
got := bp.ImportPath
if err != nil {
got = "(not found)"
}
if got != want {
t.Errorf("ContainingPackage(%q) = %s, want %s", file, got, want)
}
}
// TODO(adonovan): test on virtualized GOPATH too.
}
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