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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
commit | 43a123c1ae6613b3efeed291fa552ecd909d3acf (patch) | |
tree | fd92518b7024bc74031f78a1cf9e454b65e73665 /test/const3.go | |
parent | Initial commit. (diff) | |
download | golang-1.20-upstream.tar.xz golang-1.20-upstream.zip |
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | test/const3.go | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/const3.go b/test/const3.go new file mode 100644 index 0000000..3f4e3d1 --- /dev/null +++ b/test/const3.go @@ -0,0 +1,37 @@ +// 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 typed integer constants. + +package main + +import "fmt" + +type T int + +func (t T) String() string { return fmt.Sprintf("T%d", int(t)) } + +const ( + A T = 1 << (1 << iota) + B + C + D + E +) + +func main() { + s := fmt.Sprintf("%v %v %v %v %v", A, B, C, D, E) + if s != "T2 T4 T16 T256 T65536" { + println("type info didn't propagate in const: got", s) + panic("fail") + } + x := uint(5) + y := float64(uint64(1)<<x) // used to fail to compile + if y != 32 { + println("wrong y", y) + panic("fail") + } +} |