1 files changed, 142 insertions, 0 deletions
diff --git a/vendor/github.com/golang/groupcache/byteview_test.go b/vendor/github.com/golang/groupcache/byteview_test.go
new file mode 100644
index 000000000..9ece00f45
--- /dev/null
+++ b/vendor/github.com/golang/groupcache/byteview_test.go
@@ -0,0 +1,142 @@
+/*
+Copyright 2012 Google Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package groupcache
+
+import (
+	"fmt"
+	"io"
+	"io/ioutil"
+	"testing"
+)
+
+func TestByteView(t *testing.T) {
+	for _, s := range []string{"", "x", "yy"} {
+		for _, v := range []ByteView{of([]byte(s)), of(s)} {
+			name := fmt.Sprintf("string %q, view %+v", s, v)
+			if v.Len() != len(s) {
+				t.Errorf("%s: Len = %d; want %d", name, v.Len(), len(s))
+			}
+			if v.String() != s {
+				t.Errorf("%s: String = %q; want %q", name, v.String(), s)
+			}
+			var longDest [3]byte
+			if n := v.Copy(longDest[:]); n != len(s) {
+				t.Errorf("%s: long Copy = %d; want %d", name, n, len(s))
+			}
+			var shortDest [1]byte
+			if n := v.Copy(shortDest[:]); n != min(len(s), 1) {
+				t.Errorf("%s: short Copy = %d; want %d", name, n, min(len(s), 1))
+			}
+			if got, err := ioutil.ReadAll(v.Reader()); err != nil || string(got) != s {
+				t.Errorf("%s: Reader = %q, %v; want %q", name, got, err, s)
+			}
+			if got, err := ioutil.ReadAll(io.NewSectionReader(v, 0, int64(len(s)))); err != nil || string(got) != s {
+				t.Errorf("%s: SectionReader of ReaderAt = %q, %v; want %q", name, got, err, s)
+			}
+		}
+	}
+}
+
+// of returns a byte view of the []byte or string in x.
+func of(x interface{}) ByteView {
+	if bytes, ok := x.([]byte); ok {
+		return ByteView{b: bytes}
+	}
+	return ByteView{s: x.(string)}
+}
+
+func TestByteViewEqual(t *testing.T) {
+	tests := []struct {
+		a    interface{} // string or []byte
+		b    interface{} // string or []byte
+		want bool
+	}{
+		{"x", "x", true},
+		{"x", "y", false},
+		{"x", "yy", false},
+		{[]byte("x"), []byte("x"), true},
+		{[]byte("x"), []byte("y"), false},
+		{[]byte("x"), []byte("yy"), false},
+		{[]byte("x"), "x", true},
+		{[]byte("x"), "y", false},
+		{[]byte("x"), "yy", false},
+		{"x", []byte("x"), true},
+		{"x", []byte("y"), false},
+		{"x", []byte("yy"), false},
+	}
+	for i, tt := range tests {
+		va := of(tt.a)
+		if bytes, ok := tt.b.([]byte); ok {
+			if got := va.EqualBytes(bytes); got != tt.want {
+				t.Errorf("%d. EqualBytes = %v; want %v", i, got, tt.want)
+			}
+		} else {
+			if got := va.EqualString(tt.b.(string)); got != tt.want {
+				t.Errorf("%d. EqualString = %v; want %v", i, got, tt.want)
+			}
+		}
+		if got := va.Equal(of(tt.b)); got != tt.want {
+			t.Errorf("%d. Equal = %v; want %v", i, got, tt.want)
+		}
+	}
+}
+
+func TestByteViewSlice(t *testing.T) {
+	tests := []struct {
+		in   string
+		from int
+		to   interface{} // nil to mean the end (SliceFrom); else int
+		want string
+	}{
+		{
+			in:   "abc",
+			from: 1,
+			to:   2,
+			want: "b",
+		},
+		{
+			in:   "abc",
+			from: 1,
+			want: "bc",
+		},
+		{
+			in:   "abc",
+			to:   2,
+			want: "ab",
+		},
+	}
+	for i, tt := range tests {
+		for _, v := range []ByteView{of([]byte(tt.in)), of(tt.in)} {
+			name := fmt.Sprintf("test %d, view %+v", i, v)
+			if tt.to != nil {
+				v = v.Slice(tt.from, tt.to.(int))
+			} else {
+				v = v.SliceFrom(tt.from)
+			}
+			if v.String() != tt.want {
+				t.Errorf("%s: got %q; want %q", name, v.String(), tt.want)
+			}
+		}
+	}
+}
+
+func min(a, b int) int {
+	if a < b {
+		return a
+	}
+	return b
+}