simultaneous assignment test

SVN=124994

test/simasign.go

+// $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
+
+var	a,b,c,d,e,f,g,h,i int;
+
+func
+printit()
+{
+	print a,b,c,d,e,f,g,h,i,"\n";
+}
+
+func
+testit() bool
+{
+	if a+b+c+d+e+f+g+h+i != 45 {
+		print "sum does not add to 45\n";
+		printit();
+		panic;
+	}
+	return	a == 1 &&
+		b == 2 &&
+		c == 3 &&
+		d == 4 &&
+		e == 5 &&
+		f == 6 &&
+		g == 7 &&
+		h == 8 &&
+		i == 9;
+}
+
+func main()
+{
+	a = 1;
+	b = 2;
+	c = 3;
+	d = 4;
+	e = 5;
+	f = 6;
+	g = 7;
+	h = 8;
+	i = 9;
+
+	if !testit() { panic "init val\n"; }
+
+	for z:=0; z<100; z++ {
+		a,b,c,d, e,f,g,h,i = b,c,d,a, i,e,f,g,h;
+
+		if testit() {
+			if z == 19 {
+				break;
+			}
+			print "on ", z, "th iteration\n";
+			printit();
+			panic;
+		}
+	}
+
+	if !testit() {
+		print "final val\n";
+		printit();
+		panic;
+	}
+}