From 5ff4c17907d5b19510a62e08fd8d3b11e62b431d Mon Sep 17 00:00:00 2001
From: Ondřej Surý <ondrej@sury.org>
Date: Tue, 13 Sep 2011 13:13:40 +0200
Subject: Imported Upstream version 60

---
 src/pkg/runtime/closure_test.go | 53 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 src/pkg/runtime/closure_test.go

(limited to 'src/pkg/runtime/closure_test.go')

diff --git a/src/pkg/runtime/closure_test.go b/src/pkg/runtime/closure_test.go
new file mode 100644
index 000000000..ea65fbd5f
--- /dev/null
+++ b/src/pkg/runtime/closure_test.go
@@ -0,0 +1,53 @@
+// Copyright 2011 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 runtime_test
+
+import "testing"
+
+var s int
+
+func BenchmarkCallClosure(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		s += func(ii int) int { return 2 * ii }(i)
+	}
+}
+
+func BenchmarkCallClosure1(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		j := i
+		s += func(ii int) int { return 2*ii + j }(i)
+	}
+}
+
+var ss *int
+
+func BenchmarkCallClosure2(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		j := i
+		s += func() int {
+			ss = &j
+			return 2
+		}()
+	}
+}
+
+func addr1(x int) *int {
+	return func() *int { return &x }()
+}
+
+func BenchmarkCallClosure3(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		ss = addr1(i)
+	}
+}
+
+func addr2() (x int, p *int) {
+	return 0, func() *int { return &x }()
+}
+
+func BenchmarkCallClosure4(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		_, ss = addr2()
+	}
+}
-- 
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