Initial commit: Go 1.23 release state

test/linkx_run.go

@@ -0,0 +1,71 @@
+// 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)
+	}
+}