From 43a123c1ae6613b3efeed291fa552ecd909d3acf Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:23:18 +0200 Subject: Adding upstream version 1.20.14. Signed-off-by: Daniel Baumann --- test/const4.go | 82 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 test/const4.go (limited to 'test/const4.go') diff --git a/test/const4.go b/test/const4.go new file mode 100644 index 0000000..785e1ec --- /dev/null +++ b/test/const4.go @@ -0,0 +1,82 @@ +// run + +// 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. + +// Test len constants and non-constants, https://golang.org/issue/3244. + +package main + +var b struct { + a [10]int +} + +var m map[string][20]int + +var s [][30]int + +const ( + n1 = len(b.a) + n2 = len(m[""]) + n3 = len(s[10]) +) + +// Non-constants (see also const5.go). +var ( + n4 = len(f()) + n5 = len(<-c) + n6 = cap(g()) + n7 = cap(<-c1) +) + +var calledF = false + +func f() *[40]int { + calledF = true + return nil +} + +var c = func() chan *[50]int { + c := make(chan *[50]int, 2) + c <- nil + c <- new([50]int) + return c +}() + +var calledG = false + +func g() *[60]int { + calledG = true + return nil +} + +var c1 = func() chan *[70]int { + c := make(chan *[70]int, 2) + c <- nil + c <- new([70]int) + return c +}() + +func main() { + if n1 != 10 || n2 != 20 || n3 != 30 || n4 != 40 || n5 != 50 || n6 != 60 || n7 != 70 { + println("BUG:", n1, n2, n3, n4, n5, n6, n7) + panic("fail") + } + if !calledF { + println("BUG: did not call f") + panic("fail") + } + if <-c == nil { + println("BUG: did not receive from c") + panic("fail") + } + if !calledG { + println("BUG: did not call g") + panic("fail") + } + if <-c1 == nil { + println("BUG: did not receive from c1") + panic("fail") + } +} -- cgit v1.2.3