Checking in vendor folder for ease of using go get.

vendor/golang.org/x/text/cases/fold_test.go

@@ -0,0 +1,51 @@
+// Copyright 2016 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 cases
+
+import (
+	"testing"
+
+	"golang.org/x/text/internal/testtext"
+)
+
+var foldTestCases = []string{
+	"βß\u13f8",        // "βssᏰ"
+	"ab\u13fc\uab7aꭰ", // abᏴᎪᎠ
+	"affifflast",           // affifflast
+	"Iİiı\u0345",      // ii̇iıι
+	"µµΜΜςσΣΣ",        // μμμμσσσσ
+}
+
+func TestFold(t *testing.T) {
+	for _, tc := range foldTestCases {
+		testEntry := func(name string, c Caser, m func(r rune) string) {
+			want := ""
+			for _, r := range tc {
+				want += m(r)
+			}
+			if got := c.String(tc); got != want {
+				t.Errorf("%s(%s) = %+q; want %+q", name, tc, got, want)
+			}
+			dst := make([]byte, 256) // big enough to hold any result
+			src := []byte(tc)
+			v := testtext.AllocsPerRun(20, func() {
+				c.Transform(dst, src, true)
+			})
+			if v > 0 {
+				t.Errorf("%s(%s): number of allocs was %f; want 0", name, tc, v)
+			}
+		}
+		testEntry("FullFold", Fold(), func(r rune) string {
+			return runeFoldData(r).full
+		})
+		// TODO:
+		// testEntry("SimpleFold", Fold(Compact), func(r rune) string {
+		// 	return runeFoldData(r).simple
+		// })
+		// testEntry("SpecialFold", Fold(Turkic), func(r rune) string {
+		// 	return runeFoldData(r).special
+		// })
+	}
+}