1 files changed, 99 insertions, 0 deletions
diff --git a/src/cmd/nm/nm_test.go b/src/cmd/nm/nm_test.go
new file mode 100644
index 000000000..f4e47a42d
--- /dev/null
+++ b/src/cmd/nm/nm_test.go
@@ -0,0 +1,99 @@
+// 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 main
+
+import (
+	"bufio"
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"testing"
+)
+
+var testData uint32
+
+func checkSymbols(t *testing.T, nmoutput []byte) {
+	var checkSymbolsFound, testDataFound bool
+	scanner := bufio.NewScanner(bytes.NewBuffer(nmoutput))
+	for scanner.Scan() {
+		f := strings.Fields(scanner.Text())
+		if len(f) < 3 {
+			continue
+		}
+		switch f[2] {
+		case "cmd/nm.checkSymbols":
+			checkSymbolsFound = true
+			addr := "0x" + f[0]
+			if addr != fmt.Sprintf("%p", checkSymbols) {
+				t.Errorf("nm shows wrong address %v for checkSymbols (%p)", addr, checkSymbols)
+			}
+		case "cmd/nm.testData":
+			testDataFound = true
+			addr := "0x" + f[0]
+			if addr != fmt.Sprintf("%p", &testData) {
+				t.Errorf("nm shows wrong address %v for testData (%p)", addr, &testData)
+			}
+		}
+	}
+	if err := scanner.Err(); err != nil {
+		t.Errorf("error while reading symbols: %v", err)
+		return
+	}
+	if !checkSymbolsFound {
+		t.Error("nm shows no checkSymbols symbol")
+	}
+	if !testDataFound {
+		t.Error("nm shows no testData symbol")
+	}
+}
+
+func TestNM(t *testing.T) {
+	if runtime.GOOS == "nacl" {
+		t.Skip("skipping on nacl")
+	}
+
+	tmpDir, err := ioutil.TempDir("", "TestNM")
+	if err != nil {
+		t.Fatal("TempDir failed: ", err)
+	}
+	defer os.RemoveAll(tmpDir)
+
+	testnmpath := filepath.Join(tmpDir, "testnm.exe")
+	out, err := exec.Command("go", "build", "-o", testnmpath, "cmd/nm").CombinedOutput()
+	if err != nil {
+		t.Fatalf("go build -o %v cmd/nm: %v\n%s", testnmpath, err, string(out))
+	}
+
+	testfiles := []string{
+		"elf/testdata/gcc-386-freebsd-exec",
+		"elf/testdata/gcc-amd64-linux-exec",
+		"macho/testdata/gcc-386-darwin-exec",
+		"macho/testdata/gcc-amd64-darwin-exec",
+		"pe/testdata/gcc-amd64-mingw-exec",
+		"pe/testdata/gcc-386-mingw-exec",
+		"plan9obj/testdata/amd64-plan9-exec",
+		"plan9obj/testdata/386-plan9-exec",
+	}
+	for _, f := range testfiles {
+		exepath := filepath.Join(runtime.GOROOT(), "src", "pkg", "debug", f)
+		cmd := exec.Command(testnmpath, exepath)
+		out, err := cmd.CombinedOutput()
+		if err != nil {
+			t.Fatalf("go tool nm %v: %v\n%s", exepath, err, string(out))
+		}
+	}
+
+	cmd := exec.Command(testnmpath, os.Args[0])
+	out, err = cmd.CombinedOutput()
+	if err != nil {
+		t.Fatalf("go tool nm %v: %v\n%s", os.Args[0], err, string(out))
+	}
+	checkSymbols(t, out)
+}