From dbef0711d4109740819e6bc0b0ca39ae1be49b0c Mon Sep 17 00:00:00 2001
From: Alex Brainman <alex.brainman@gmail.com>
Date: Mon, 9 Aug 2010 11:21:20 +1000
Subject: os: fix ForkExec() handling of envv == nil

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/1913047
---
 src/pkg/exec/exec_test.go | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'src/pkg/exec')

diff --git a/src/pkg/exec/exec_test.go b/src/pkg/exec/exec_test.go
index 3e4ab7d780..898f42582b 100644
--- a/src/pkg/exec/exec_test.go
+++ b/src/pkg/exec/exec_test.go
@@ -8,6 +8,7 @@ import (
 	"io"
 	"io/ioutil"
 	"testing"
+	"os"
 )
 
 func TestRunCat(t *testing.T) {
@@ -84,3 +85,25 @@ func TestMergeWithStdout(t *testing.T) {
 		t.Fatal("close:", err)
 	}
 }
+
+func TestAddEnvVar(t *testing.T) {
+	err := os.Setenv("NEWVAR", "hello world")
+	if err != nil {
+		t.Fatal("setenv:", err)
+	}
+	cmd, err := Run("/bin/sh", []string{"sh", "-c", "echo $NEWVAR"}, nil, "",
+		DevNull, Pipe, DevNull)
+	if err != nil {
+		t.Fatal("run:", err)
+	}
+	buf, err := ioutil.ReadAll(cmd.Stdout)
+	if err != nil {
+		t.Fatal("read:", err)
+	}
+	if string(buf) != "hello world\n" {
+		t.Fatalf("read: got %q", buf)
+	}
+	if err = cmd.Close(); err != nil {
+		t.Fatal("close:", err)
+	}
+}
-- 
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