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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:16:40 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:16:40 +0000
commit47ab3d4a42e9ab51c465c4322d2ec233f6324e6b (patch)
treea61a0ffd83f4a3def4b36e5c8e99630c559aa723 /src/crypto/rand/rand_test.go
parentInitial commit. (diff)
downloadgolang-1.18-upstream.tar.xz
golang-1.18-upstream.zip
Adding upstream version 1.18.10.upstream/1.18.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/crypto/rand/rand_test.go')
-rw-r--r--src/crypto/rand/rand_test.go43
1 files changed, 43 insertions, 0 deletions
diff --git a/src/crypto/rand/rand_test.go b/src/crypto/rand/rand_test.go
new file mode 100644
index 0000000..e45f58e
--- /dev/null
+++ b/src/crypto/rand/rand_test.go
@@ -0,0 +1,43 @@
+// Copyright 2010 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 rand
+
+import (
+ "bytes"
+ "compress/flate"
+ "io"
+ "testing"
+)
+
+func TestRead(t *testing.T) {
+ var n int = 4e6
+ if testing.Short() {
+ n = 1e5
+ }
+ b := make([]byte, n)
+ n, err := io.ReadFull(Reader, b)
+ if n != len(b) || err != nil {
+ t.Fatalf("ReadFull(buf) = %d, %s", n, err)
+ }
+
+ var z bytes.Buffer
+ f, _ := flate.NewWriter(&z, 5)
+ f.Write(b)
+ f.Close()
+ if z.Len() < len(b)*99/100 {
+ t.Fatalf("Compressed %d -> %d", len(b), z.Len())
+ }
+}
+
+func TestReadEmpty(t *testing.T) {
+ n, err := Reader.Read(make([]byte, 0))
+ if n != 0 || err != nil {
+ t.Fatalf("Read(make([]byte, 0)) = %d, %v", n, err)
+ }
+ n, err = Reader.Read(nil)
+ if n != 0 || err != nil {
+ t.Fatalf("Read(nil) = %d, %v", n, err)
+ }
+}