diff options
author | Rob Pike <r@golang.org> | 2009-04-18 17:21:00 -0700 |
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committer | Rob Pike <r@golang.org> | 2009-04-18 17:21:00 -0700 |
commit | d4ce4600ef7b01f2f2841aeafe11781c5537b691 (patch) | |
tree | b8fc9a1edd33965ce67aafc5472c1df9ba685028 | |
parent | 2df59255d0b52a6d30ada7331dccf989dcd9cc9d (diff) | |
download | go-d4ce4600ef7b01f2f2841aeafe11781c5537b691.tar.gz |
tests for redeclaration in :=
R=ken
DELTA=71 (71 added, 0 deleted, 0 changed)
OCL=27616
CL=27616
-rw-r--r-- | test/decl.go | 29 | ||||
-rw-r--r-- | test/declbad.go | 50 |
2 files changed, 79 insertions, 0 deletions
diff --git a/test/decl.go b/test/decl.go new file mode 100644 index 000000000..6229db9b1 --- /dev/null +++ b/test/decl.go @@ -0,0 +1,29 @@ +// $G $F.go && $L $F.$A && ./$A.out + +// 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. + +// Correct short declarations and redeclarations. + +package main + +func f1() int { return 1 } +func f2() (float, int) { return 1, 2 } +func f3() (float, int, string) { return 1, 2, "3" } + +func main() { + i, f, s := f3(); + j, f := f2(); // redeclare f + k := f1(); + m, g, s := f3(); + m, h, s := f3(); + { + // new block should be ok. + i, f, s := f3(); + j, f := f2(); // redeclare f + k := f1(); + m, g, s := f3(); + m, h, s := f3(); + } +} diff --git a/test/declbad.go b/test/declbad.go new file mode 100644 index 000000000..8115b2cf6 --- /dev/null +++ b/test/declbad.go @@ -0,0 +1,50 @@ +// errchk $G -e $F.go + +// 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. + +// Incorrect short declarations and redeclarations. + +package main + +func f1() int { return 1 } +func f2() (float, int) { return 1, 2 } +func f3() (float, int, string) { return 1, 2, "3" } + +func main() { + { + // simple redeclaration + i := f1(); + i := f1(); // ERROR "redeclared" + { + // change of type for f + i, f, s := f3(); + f, g, t := f3(); // ERROR "redeclared" + } + { + // change of type for i + i, f, s := f3(); + j, i, t := f3(); // ERROR "redeclared" + } + { + // no new variables + i, f, s := f3(); + i, f := f2(); // ERROR "redeclared" + } + { + // single redeclaration + i, f, s := f3(); + i := f1(); // ERROR "redeclared" + } + // double redeclaration + { + i, f, s := f3(); + i, f := f2(); // ERROR "redeclared" + } + { + // triple redeclaration + i, f, s := f3(); + i, f, s := f3(); // ERROR "redeclared" + } +} |