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// Copyright 2023 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.
//go:build go1.18 && !go1.22
// +build go1.18,!go1.22
package buildinfo
import (
"os"
"testing"
"github.com/google/go-cmp/cmp"
"golang.org/x/vuln/internal/test"
)
// TestStrippedBinary checks that there is no symbol table for
// stripped binaries. This does not include darwin binaries.
// For more info, see #61051.
func TestStrippedBinary(t *testing.T) {
// We exclude darwin as its stripped binaries seem to
// preserve the symbol table. See TestStrippedDarwin.
testAll(t, []string{"linux", "windows", "freebsd"}, []string{"amd64", "386", "arm", "arm64"},
func(t *testing.T, goos, goarch string) {
binary, done := test.GoBuild(t, "testdata", "", true, "GOOS", goos, "GOARCH", goarch)
defer done()
f, err := os.Open(binary)
if err != nil {
t.Fatal(err)
}
defer f.Close()
_, syms, _, err := ExtractPackagesAndSymbols(f)
if err != nil {
t.Fatal(err)
}
if syms != nil {
t.Errorf("want empty symbol table; got %v symbols", len(syms))
}
})
}
// TestStrippedDarwin checks that the symbol table exists and
// is complete on darwin even in the presence of stripping.
// For more info, see #61051.
func TestStrippedDarwin(t *testing.T) {
testAll(t, []string{"darwin"}, []string{"amd64", "386"},
func(t *testing.T, goos, goarch string) {
binary, done := test.GoBuild(t, "testdata", "", true, "GOOS", goos, "GOARCH", goarch)
defer done()
f, err := os.Open(binary)
if err != nil {
t.Fatal(err)
}
defer f.Close()
_, syms, _, err := ExtractPackagesAndSymbols(f)
if err != nil {
t.Fatal(err)
}
got := sortedSymbols("main", syms)
want := []Symbol{
{"main", "f"},
{"main", "g"},
{"main", "main"},
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("(-want,+got):%s", diff)
}
})
}
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