1 files changed, 129 insertions, 0 deletions
diff --git a/src/pkg/unicode/letter_test.go b/src/pkg/unicode/letter_test.go
new file mode 100644
index 000000000..d39d74e6b
--- /dev/null
+++ b/src/pkg/unicode/letter_test.go
@@ -0,0 +1,129 @@
+// 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 unicode
+
+import (
+	"testing";
+	"unicode";
+)
+
+var upper = []int{
+	0x41,
+	0xc0,
+	0xd8,
+	0x100,
+	0x139,
+	0x14a,
+	0x178,
+	0x181,
+	0x376,
+	0x3cf,
+	0x1f2a,
+	0x2102,
+	0x2c00,
+	0x2c10,
+	0x2c20,
+	0xa650,
+	0xa722,
+	0xff3a,
+	0x10400,
+	0x1d400,
+	0x1d7ca,
+}
+
+var notupper = []int{
+	0x40,
+	0x5b,
+	0x61,
+	0x185,
+	0x1b0,
+	0x377,
+	0x387,
+	0x2150,
+	0xffff,
+	0x10000,
+}
+
+var letter = []int{
+	0x41,
+	0x61,
+	0xaa,
+	0xba,
+	0xc8,
+	0xdb,
+	0xf9,
+	0x2ec,
+	0x535,
+	0x6e6,
+	0x93d,
+	0xa15,
+	0xb99,
+	0xdc0,
+	0xedd,
+	0x1000,
+	0x1200,
+	0x1312,
+	0x1401,
+	0x1885,
+	0x2c00,
+	0xa800,
+	0xf900,
+	0xfa30,
+	0xffda,
+	0xffdc,
+	0x10000,
+	0x10300,
+	0x10400,
+	0x20000,
+	0x2f800,
+	0x2fa1d,
+}
+
+var notletter = []int{
+	0x20,
+	0x35,
+	0x375,
+	0x620,
+	0x700,
+	0xfffe,
+	0x1ffff,
+	0x10ffff,
+}
+
+func TestIsLetter(t *testing.T) {
+	for i, r := range(upper) {
+		if !IsLetter(r) {
+			t.Errorf("IsLetter(%#x) = false, want true\n", r);
+		}
+	}
+	for i, r := range(letter) {
+		if !IsLetter(r) {
+			t.Errorf("IsLetter(%#x) = false, want true\n", r);
+		}
+	}
+	for i, r := range(notletter) {
+		if IsLetter(r) {
+			t.Errorf("IsLetter(%#x) = true, want false\n", r);
+		}
+	}
+}
+
+func TestIsUpper(t *testing.T) {
+	for i, r := range(upper) {
+		if !IsUpper(r) {
+			t.Errorf("IsUpper(%#x) = false, want true\n", r);
+		}
+	}
+	for i, r := range(notupper) {
+		if IsUpper(r) {
+			t.Errorf("IsUpper(%#x) = true, want false\n", r);
+		}
+	}
+	for i, r := range(notletter) {
+		if IsUpper(r) {
+			t.Errorf("IsUpper(%#x) = true, want false\n", r);
+		}
+	}
+}