io: show ErrUnexpectedEOF in ExampleReadAtLeast

Fixes #36245

Change-Id: I10ce50b0cc28b15f4e7be85b8f12cf9d0e4fac96
Reviewed-on: https://go-review.googlesource.com/c/go/+/212404
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>

diff --git a/src/io/example_test.go b/src/io/example_test.go
index edcd0086f5b97f162a2a8e3198494b21142753cb..2eaab678c9f613b8aed47b70d910d00ecd542973 100644 (file)
--- a/src/io/example_test.go
+++ b/src/io/example_test.go
@@ -59,7 +59,7 @@ func ExampleCopyN() {
 func ExampleReadAtLeast() {
        r := strings.NewReader("some io.Reader stream to be read\n")
 
-       buf := make([]byte, 33)
+       buf := make([]byte, 14)
        if _, err := io.ReadAtLeast(r, buf, 4); err != nil {
                log.Fatal(err)
        }
@@ -78,10 +78,9 @@ func ExampleReadAtLeast() {
        }
 
        // Output:
-       // some io.Reader stream to be read
-       //
+       // some io.Reader
        // error: short buffer
-       // error: EOF
+       // error: unexpected EOF
 }
 
 func ExampleReadFull() {