Imported Upstream version 60upstream/60

1 files changed, 53 insertions, 0 deletions

diff --git a/test/assign.go b/test/assign.go
new file mode 100644
index 000000000..59471388c
--- /dev/null
+++ b/test/assign.go
@@ -0,0 +1,53 @@
+// 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.
+
+package main
+
+import "sync"
+
+type T struct {
+	int
+	sync.Mutex
+}
+
+func main() {
+	{
+		var x, y sync.Mutex
+		x = y	// ERROR "assignment.*Mutex"
+		_ = x
+	}
+	{
+		var x, y T
+		x = y	// ERROR "assignment.*Mutex"
+		_ = x
+	}
+	{
+		var x, y [2]sync.Mutex
+		x = y	// ERROR "assignment.*Mutex"
+		_ = x
+	}
+	{
+		var x, y [2]T
+		x = y	// ERROR "assignment.*Mutex"
+		_ = x
+	}
+	{
+		x := sync.Mutex{0, 0}	// ERROR "assignment.*Mutex"
+		_ = x
+	}
+	{
+		x := sync.Mutex{key: 0}	// ERROR "(unknown|assignment).*Mutex"
+		_ = x
+	}
+	{
+		x := &sync.Mutex{}	// ok
+		var y sync.Mutex	// ok
+		y = *x	// ERROR "assignment.*Mutex"
+		*x = y	// ERROR "assignment.*Mutex"
+		_ = x
+		_ = y
+	}		
+}