add a couple of tests
update golden
SVN=127428
diff --git a/test/utf.go b/test/utf.go
new file mode 100644
index 0000000..cf0c746
--- /dev/null
+++ b/test/utf.go
@@ -0,0 +1,52 @@
+// $G $F.go && $L $F.$A && ./$A.out
+
+// 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 main
+
+func main() {
+ var chars [6] int;
+ chars[0] = 'a';
+ chars[1] = 'b';
+ chars[2] = 'c';
+ chars[3] = '\u65e5';
+ chars[4] = '\u672c';
+ chars[5] = '\u8a9e';
+ s := "";
+ for i := 0; i < 6; i++ {
+ s += string(chars[i]);
+ }
+ var l = len(s);
+ for w, i, j := 0,0,0; i < l; i += w {
+ var r int32;
+ r, w = sys.stringtorune(s, i, l);
+ if w == 0 { panic "zero width in string" }
+ if r != chars[j] { panic "wrong value from string" }
+ j++;
+ }
+ // encoded as bytes: 'a' 'b' 'c' e6 97 a5 e6 9c ac e8 aa 9e
+ const L = 12;
+ if L != l { panic "wrong length constructing array" }
+ a := new([L]byte);
+ a[0] = 'a';
+ a[1] = 'b';
+ a[2] = 'c';
+ a[3] = 0xe6;
+ a[4] = 0x97;
+ a[5] = 0xa5;
+ a[6] = 0xe6;
+ a[7] = 0x9c;
+ a[8] = 0xac;
+ a[9] = 0xe8;
+ a[10] = 0xaa;
+ a[11] = 0x9e;
+ for w, i, j := 0,0,0; i < L; i += w {
+ var r int32;
+ r, w = sys.bytestorune(&a[0], i, L);
+ if w == 0 { panic "zero width in bytes" }
+ if r != chars[j] { panic "wrong value from bytes" }
+ j++;
+ }
+}
