Adding upstream version 1.22.1.upstream/1.22.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 77 insertions, 0 deletions

diff --git a/src/cmd/cgo/internal/teststdio/stdio_test.go b/src/cmd/cgo/internal/teststdio/stdio_test.go
new file mode 100644
index 0000000..3883422
--- /dev/null
+++ b/src/cmd/cgo/internal/teststdio/stdio_test.go
@@ -0,0 +1,77 @@
+// Copyright 2019 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 stdio_test
+
+import (
+	"bytes"
+	"cmd/cgo/internal/cgotest"
+	"internal/testenv"
+	"log"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+func TestMain(m *testing.M) {
+	log.SetFlags(log.Lshortfile)
+	os.Exit(testMain(m))
+}
+
+func testMain(m *testing.M) int {
+	GOPATH, err := os.MkdirTemp("", "cgostdio")
+	if err != nil {
+		log.Panic(err)
+	}
+	defer os.RemoveAll(GOPATH)
+	os.Setenv("GOPATH", GOPATH)
+
+	// Copy testdata into GOPATH/src/cgostdio, along with a go.mod file
+	// declaring the same path.
+	modRoot := filepath.Join(GOPATH, "src", "cgostdio")
+	if err := cgotest.OverlayDir(modRoot, "testdata"); err != nil {
+		log.Panic(err)
+	}
+	if err := os.Chdir(modRoot); err != nil {
+		log.Panic(err)
+	}
+	os.Setenv("PWD", modRoot)
+	if err := os.WriteFile("go.mod", []byte("module cgostdio\n"), 0666); err != nil {
+		log.Panic(err)
+	}
+
+	return m.Run()
+}
+
+// TestTestRun runs a cgo test that doesn't depend on non-standard libraries.
+func TestTestRun(t *testing.T) {
+	testenv.MustHaveGoRun(t)
+	testenv.MustHaveCGO(t)
+
+	for _, file := range [...]string{
+		"chain.go",
+		"fib.go",
+		"hello.go",
+	} {
+		file := file
+		wantFile := strings.Replace(file, ".go", ".out", 1)
+		t.Run(file, func(t *testing.T) {
+			cmd := exec.Command("go", "run", file)
+			got, err := cmd.CombinedOutput()
+			if err != nil {
+				t.Fatalf("%v: %s\n%s", cmd, err, got)
+			}
+			got = bytes.ReplaceAll(got, []byte("\r\n"), []byte("\n"))
+			want, err := os.ReadFile(wantFile)
+			if err != nil {
+				t.Fatal("reading golden output:", err)
+			}
+			if !bytes.Equal(got, want) {
+				t.Errorf("'%v' output does not match expected in %s. Instead saw:\n%s", cmd, wantFile, got)
+			}
+		})
+	}
+}