add a couple of tests

update golden

SVN=127428

1 files changed, 52 insertions, 0 deletions

diff --git a/test/utf.go b/test/utf.go
new file mode 100644
index 0000000000..cf0c746ab9
--- /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++;
+	}
+}