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// run
//go:build !nacl && !js && !wasip1 && gc
// 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.
// Run the linkx test.
package main
import (
"bytes"
"fmt"
"os"
"os/exec"
"strings"
)
func main() {
// test(" ") // old deprecated & removed syntax
test("=") // new syntax
}
func test(sep string) {
// Successful run
cmd := exec.Command("go", "run", "-ldflags=-X main.tbd"+sep+"hello -X main.overwrite"+sep+"trumped -X main.nosuchsymbol"+sep+"neverseen", "linkx.go")
var out, errbuf bytes.Buffer
cmd.Stdout = &out
cmd.Stderr = &errbuf
err := cmd.Run()
if err != nil {
fmt.Println(errbuf.String())
fmt.Println(out.String())
fmt.Println(err)
os.Exit(1)
}
want := "hello\nhello\nhello\ntrumped\ntrumped\ntrumped\n"
got := out.String()
if got != want {
fmt.Printf("got %q want %q\n", got, want)
os.Exit(1)
}
// Issue 8810
cmd = exec.Command("go", "run", "-ldflags=-X main.tbd", "linkx.go")
_, err = cmd.CombinedOutput()
if err == nil {
fmt.Println("-X linker flag should not accept keys without values")
os.Exit(1)
}
// Issue 9621
cmd = exec.Command("go", "run", "-ldflags=-X main.b=false -X main.x=42", "linkx.go")
outx, err := cmd.CombinedOutput()
if err == nil {
fmt.Println("-X linker flag should not overwrite non-strings")
os.Exit(1)
}
outstr := string(outx)
if !strings.Contains(outstr, "main.b") {
fmt.Printf("-X linker flag did not diagnose overwrite of main.b:\n%s\n", outstr)
os.Exit(1)
}
if !strings.Contains(outstr, "main.x") {
fmt.Printf("-X linker flag did not diagnose overwrite of main.x:\n%s\n", outstr)
os.Exit(1)
}
}
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