test: comparisons have type bool

R=r
DELTA=81  (57 added, 24 deleted, 0 changed)
OCL=34991
CL=34996

1 files changed, 57 insertions, 0 deletions

diff --git a/test/named1.go b/test/named1.go
new file mode 100644
index 000000000..406e73b19
--- /dev/null
+++ b/test/named1.go
@@ -0,0 +1,57 @@
+// errchk $G -e $D/$F.go
+
+// 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.
+
+// Test that basic operations on named types are valid
+// and preserve the type.
+
+package main
+
+type Bool bool
+
+type Map map[int]int
+func (Map) M() {}
+
+func asBool(Bool) {}
+
+func main() {
+	var (
+		b Bool = true;
+		i, j int;
+		c = make(chan int);
+		m = make(Map);
+	)
+
+	asBool(b);
+	asBool(!b);
+	asBool(true);
+	asBool(*&b);
+	asBool(Bool(true));
+	asBool(1!=2);	// ERROR "cannot use.*type bool.*as type Bool"
+	asBool(i < j);	// ERROR "cannot use.*type bool.*as type Bool"
+
+	_, b = m[2];	// ERROR "cannot assign bool.*type Bool"
+	m[2] = 1, b;	// ERROR "cannot use.*type Bool.*as type bool"
+
+	b = c<-1;	// ERROR "cannot use.*type bool.*type Bool"
+	_ = b;
+	asBool(c<-1);	// ERROR "cannot use.*type bool.*as type Bool"
+
+	_, b = <-c;	// ERROR "cannot assign bool.*type Bool"
+	_ = b;
+
+	var inter interface{};
+	_, b = inter.(Map);	// ERROR "cannot assign bool.*type Bool"
+	_ = b;
+
+	var minter interface{M()};
+	_, b = minter.(Map);	// ERROR "cannot assign bool.*type Bool"
+	_ = b;
+
+	asBool(closed(c));	// ERROR "cannot use.*type bool.*as type Bool"
+	b = closed(c);		// ERROR "cannot use.*type bool.*type Bool"
+	_ = b;
+}
+