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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:18:25 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:18:25 +0000 |
commit | 109be507377fe7f6e8819ac94041d3fdcdf6fd2f (patch) | |
tree | 2806a689f8fab4a2ec9fc949830ef270a91d667d /test/fixedbugs/issue13273.go | |
parent | Initial commit. (diff) | |
download | golang-1.19-109be507377fe7f6e8819ac94041d3fdcdf6fd2f.tar.xz golang-1.19-109be507377fe7f6e8819ac94041d3fdcdf6fd2f.zip |
Adding upstream version 1.19.8.upstream/1.19.8upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/fixedbugs/issue13273.go')
-rw-r--r-- | test/fixedbugs/issue13273.go | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/test/fixedbugs/issue13273.go b/test/fixedbugs/issue13273.go new file mode 100644 index 0000000..2498da4 --- /dev/null +++ b/test/fixedbugs/issue13273.go @@ -0,0 +1,55 @@ +// errorcheck + +// Copyright 2015 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. + +// Check that we correctly construct (and report errors) +// for unary expressions of the form <-x where we only +// know after parsing x whether <-x is a receive operation +// or a channel type. + +package n + +func f() { + // test case from issue 13273 + <-chan int((chan int)(nil)) + + <-chan int(nil) + <-chan chan int(nil) + <-chan chan chan int(nil) + <-chan chan chan chan int(nil) + <-chan chan chan chan chan int(nil) + + <-chan<-chan int(nil) + <-chan<-chan<-chan int(nil) + <-chan<-chan<-chan<-chan int(nil) + <-chan<-chan<-chan<-chan<-chan int(nil) + + <-chan (<-chan int)(nil) + <-chan (<-chan (<-chan int))(nil) + <-chan (<-chan (<-chan (<-chan int)))(nil) + <-chan (<-chan (<-chan (<-chan (<-chan int))))(nil) + + <-(<-chan int)(nil) + <-(<-chan chan int)(nil) + <-(<-chan chan chan int)(nil) + <-(<-chan chan chan chan int)(nil) + <-(<-chan chan chan chan chan int)(nil) + + <-(<-chan<-chan int)(nil) + <-(<-chan<-chan<-chan int)(nil) + <-(<-chan<-chan<-chan<-chan int)(nil) + <-(<-chan<-chan<-chan<-chan<-chan int)(nil) + + <-(<-chan (<-chan int))(nil) + <-(<-chan (<-chan (<-chan int)))(nil) + <-(<-chan (<-chan (<-chan (<-chan int))))(nil) + <-(<-chan (<-chan (<-chan (<-chan (<-chan int)))))(nil) + + type _ <-<-chan int // ERROR "unexpected <-, expecting chan|expected .*chan.*" + <-<-chan int // ERROR "unexpected <-, expecting chan|expecting {" (new parser: same error as for type decl) + + type _ <-chan<-int // ERROR "unexpected int, expecting chan|expected .*chan.*|expecting chan|expected .*;.* or .*}.* or newline" + <-chan<-int // ERROR "unexpected int, expecting chan|expecting {" (new parser: same error as for type decl) +} |