Initial check-in of gcc 4.7.2.

Change-Id: I4a2f5a921c21741a0e18bda986d77e5f1bef0365

1 files changed, 82 insertions, 0 deletions

diff --git a/gcc-4.7/libgo/go/testing/example.go b/gcc-4.7/libgo/go/testing/example.go
new file mode 100644
index 000000000..671c79876
--- /dev/null
+++ b/gcc-4.7/libgo/go/testing/example.go
@@ -0,0 +1,82 @@
+// Copyright 2009 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 testing
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"os"
+	"strings"
+	"time"
+)
+
+type InternalExample struct {
+	Name   string
+	F      func()
+	Output string
+}
+
+func RunExamples(matchString func(pat, str string) (bool, error), examples []InternalExample) (ok bool) {
+	ok = true
+
+	var eg InternalExample
+
+	stdout, stderr := os.Stdout, os.Stderr
+
+	for _, eg = range examples {
+		matched, err := matchString(*match, eg.Name)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "testing: invalid regexp for -test.run: %s\n", err)
+			os.Exit(1)
+		}
+		if !matched {
+			continue
+		}
+		if *chatty {
+			fmt.Printf("=== RUN: %s\n", eg.Name)
+		}
+
+		// capture stdout and stderr
+		r, w, err := os.Pipe()
+		if err != nil {
+			fmt.Fprintln(os.Stderr, err)
+			os.Exit(1)
+		}
+		os.Stdout, os.Stderr = w, w
+		outC := make(chan string)
+		go func() {
+			buf := new(bytes.Buffer)
+			_, err := io.Copy(buf, r)
+			if err != nil {
+				fmt.Fprintf(stderr, "testing: copying pipe: %v\n", err)
+				os.Exit(1)
+			}
+			outC <- buf.String()
+		}()
+
+		// run example
+		t0 := time.Now()
+		eg.F()
+		dt := time.Now().Sub(t0)
+
+		// close pipe, restore stdout/stderr, get output
+		w.Close()
+		os.Stdout, os.Stderr = stdout, stderr
+		out := <-outC
+
+		// report any errors
+		tstr := fmt.Sprintf("(%.2f seconds)", dt.Seconds())
+		if g, e := strings.TrimSpace(out), strings.TrimSpace(eg.Output); g != e {
+			fmt.Printf("--- FAIL: %s %s\ngot:\n%s\nwant:\n%s\n",
+				eg.Name, tstr, g, e)
+			ok = false
+		} else if *chatty {
+			fmt.Printf("--- PASS: %s %s\n", eg.Name, tstr)
+		}
+	}
+
+	return
+}