From f6ad4dcef54c5ce997a4bad5a6d86de229015700 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Tue, 16 Apr 2024 21:25:22 +0200
Subject: Adding upstream version 1.22.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 test/func5.go | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 test/func5.go

(limited to 'test/func5.go')

diff --git a/test/func5.go b/test/func5.go
new file mode 100644
index 0000000..2e058be
--- /dev/null
+++ b/test/func5.go
@@ -0,0 +1,91 @@
+// run
+
+// 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 functions and goroutines.
+
+package main
+
+func caller(f func(int, int) int, a, b int, c chan int) {
+	c <- f(a, b)
+}
+
+func gocall(f func(int, int) int, a, b int) int {
+	c := make(chan int)
+	go caller(f, a, b, c)
+	return <-c
+}
+
+func call(f func(int, int) int, a, b int) int {
+	return f(a, b)
+}
+
+func call1(f func(int, int) int, a, b int) int {
+	return call(f, a, b)
+}
+
+var f func(int, int) int
+
+func add(x, y int) int {
+	return x + y
+}
+
+func fn() func(int, int) int {
+	return f
+}
+
+var fc func(int, int, chan int)
+
+func addc(x, y int, c chan int) {
+	c <- x+y
+}
+
+func fnc() func(int, int, chan int) {
+	return fc
+}
+
+func three(x int) {
+	if x != 3 {
+		println("wrong val", x)
+		panic("fail")
+	}
+}
+
+var notmain func()
+
+func emptyresults() {}
+func noresults()    {}
+
+var nothing func()
+
+func main() {
+	three(call(add, 1, 2))
+	three(call1(add, 1, 2))
+	f = add
+	three(call(f, 1, 2))
+	three(call1(f, 1, 2))
+	three(call(fn(), 1, 2))
+	three(call1(fn(), 1, 2))
+	three(call(func(a, b int) int { return a + b }, 1, 2))
+	three(call1(func(a, b int) int { return a + b }, 1, 2))
+
+	fc = addc
+	c := make(chan int)
+	go addc(1, 2, c)
+	three(<-c)
+	go fc(1, 2, c)
+	three(<-c)
+	go fnc()(1, 2, c)
+	three(<-c)
+	go func(a, b int, c chan int) { c <- a+b }(1, 2, c)
+	three(<-c)
+
+	emptyresults()
+	noresults()
+	nothing = emptyresults
+	nothing()
+	nothing = noresults
+	nothing()
+}
-- 
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