From ccd992355df7192993c666236047820244914598 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Tue, 16 Apr 2024 21:19:13 +0200
Subject: Adding upstream version 1.21.8.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 test/fixedbugs/bug242.go | 133 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 test/fixedbugs/bug242.go

(limited to 'test/fixedbugs/bug242.go')

diff --git a/test/fixedbugs/bug242.go b/test/fixedbugs/bug242.go
new file mode 100644
index 0000000..4791ae4
--- /dev/null
+++ b/test/fixedbugs/bug242.go
@@ -0,0 +1,133 @@
+// run
+
+// Copyright 2010 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 order of evaluation in tuple assignments.
+
+package main
+
+var i byte = 0
+var a [30]byte
+
+func f() *byte {
+	i++
+	return &a[i-1]
+}
+func gbyte() byte {
+	i++
+	return 'a' + i - 1
+}
+func gint() byte {
+	i++
+	return i - 1
+}
+func x() (byte, byte) {
+	i++
+	return 'a' + i - 1, 'a' + i - 1
+}
+func e1(c chan byte, expected byte) chan byte {
+	if i != expected {
+		println("e1: got", i, "expected", expected)
+		panic("fail")
+	}
+	i++
+	return c
+}
+
+type Empty interface{}
+type I interface {
+	Get() byte
+}
+type S1 struct {
+	i byte
+}
+
+func (p S1) Get() byte { return p.i }
+
+type S2 struct {
+	i byte
+}
+
+func e2(p Empty, expected byte) Empty {
+	if i != expected {
+		println("e2: got", i, "expected", expected)
+		panic("fail")
+	}
+	i++
+	return p
+}
+func e3(p *I, expected byte) *I {
+	if i != expected {
+		println("e3: got", i, "expected", expected)
+		panic("fail")
+	}
+	i++
+	return p
+}
+
+func main() {
+	for i := range a {
+		a[i] = ' '
+	}
+
+	// 0     1     2     3        4        5
+	*f(), *f(), *f() = gbyte(), gbyte(), gbyte()
+
+	// 6     7     8
+	*f(), *f() = x()
+
+	m := make(map[byte]byte)
+	m[10] = 'A'
+	var p1, p2 bool
+	// 9           10
+	*f(), p1 = m[gint()]
+	// 11          12
+	*f(), p2 = m[gint()]
+	a[11] += '0'
+	if !p1 || p2 {
+		println("bad map check", i, p1, p2)
+		panic("fail")
+	}
+
+	m[13] = 'B'
+	//  13        14
+	delete(m, gint())
+	gbyte()
+	if _, present := m[13]; present {
+		println("bad map removal")
+		panic("fail")
+	}
+
+	c := make(chan byte, 1)
+	c <- 'C'
+	// 15          16
+	*f(), p1 = <-e1(c, 16)
+	close(c)
+	// 17          18
+	*f(), p2 = <-e1(c, 18)
+	a[17] += '0'
+	if !p1 || p2 {
+		println("bad chan check", i, p1, p2)
+		panic("fail")
+	}
+
+	s1 := S1{'D'}
+	s2 := S2{'E'}
+	var iv I
+	// 19                20
+	*e3(&iv, 19), p1 = e2(s1, 20).(I)
+	// 21                22
+	*e3(&iv, 21), p2 = e2(s2, 22).(I)
+	if !p1 || p2 {
+		println("bad interface check", i, p1, p2)
+		panic("fail")
+	}
+
+	s := string(a[0:i])
+	if s != "def   ii A 0   C 0     " {
+		println("bad array results:", s)
+		panic("fail")
+	}
+}
-- 
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