From 88df8351b4616390406697551292b9fdef278359 Mon Sep 17 00:00:00 2001 From: Russ Cox Date: Fri, 9 Jan 2009 15:38:01 -0800 Subject: test of automatic indirect R=r DELTA=93 (93 added, 0 deleted, 0 changed) OCL=22458 CL=22461 --- test/indirect.go | 97 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 test/indirect.go (limited to 'test/indirect.go') diff --git a/test/indirect.go b/test/indirect.go new file mode 100644 index 000000000..4200d382a --- /dev/null +++ b/test/indirect.go @@ -0,0 +1,97 @@ +// $G $D/$F.go && $L $F.$A && ./$A.out || echo BUG indirect + +// 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. + +package main + +var m0 map[string]int +var m1 *map[string]int +var m2 *map[string]int = &m0 +var m3 map[string]int = map[string]int{"a": 1} +var m4 *map[string]int = &m3 + +var s0 string +var s1 *string +var s2 *string = &s0 +var s3 string = "a" +var s4 *string = &s3 + +var a0 [10]int +var a1 *[10]int +var a2 *[10]int = &a0 + +var b0 []int +var b1 *[]int +var b2 *[]int = &b0 +var b3 []int = []int{1, 2, 3} +var b4 *[]int = &b3 + +func crash() +{ + // these uses of nil pointers + // would crash but should type check + println("crash", + len(m1)+ + len(s1)+ + len(a1)+ + len(b1)+ + cap(b1)); +} + +func nocrash() +{ + // this is spaced funny so that + // the compiler will print a different + // line number for each len call if + // it decides there are type errors. + // it might also help in the traceback. + x := + len(m0)+ + len(m2)+ + len(m3)+ + len(m4); + if x != 2 { + panicln("wrong maplen"); + } + + x = + len(s0)+ + len(s2)+ + len(s3)+ + len(s4); + if x != 2 { + panicln("wrong stringlen"); + } + + x = + len(a0)+ + len(a2); + if x != 20 { + panicln("wrong arraylen"); + } + + x = + len(b0)+ + len(b2)+ + len(b3)+ + len(b4); + if x != 6 { + panicln("wrong slicelen"); + } + + x = + cap(b0)+ + cap(b2)+ + cap(b3)+ + cap(b4); + if x != 6 { + panicln("wrong slicecap"); + } +} + +func main() +{ + nocrash(); +} -- cgit v1.2.1