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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:14:23 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:14:23 +0000 |
commit | 73df946d56c74384511a194dd01dbe099584fd1a (patch) | |
tree | fd0bcea490dd81327ddfbb31e215439672c9a068 /test/alias1.go | |
parent | Initial commit. (diff) | |
download | golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.tar.xz golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.zip |
Adding upstream version 1.16.10.upstream/1.16.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/alias1.go')
-rw-r--r-- | test/alias1.go | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/test/alias1.go b/test/alias1.go new file mode 100644 index 0000000..5707917 --- /dev/null +++ b/test/alias1.go @@ -0,0 +1,54 @@ +// 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 that dynamic interface checks treat byte=uint8 +// and rune=int or rune=int32. + +package main + +func main() { + var x interface{} + + x = byte(1) + switch x.(type) { + case uint8: + // ok + default: + panic("byte != uint8") + } + + x = uint8(2) + switch x.(type) { + case byte: + // ok + default: + panic("uint8 != byte") + } + + rune32 := false + x = rune(3) + switch x.(type) { + case int: + // ok + case int32: + // must be new code + rune32 = true + default: + panic("rune != int and rune != int32") + } + + if rune32 { + x = int32(4) + } else { + x = int(5) + } + switch x.(type) { + case rune: + // ok + default: + panic("int (or int32) != rune") + } +} |