diff options
Diffstat (limited to 'test/fixedbugs/bug286.go')
-rw-r--r-- | test/fixedbugs/bug286.go | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/test/fixedbugs/bug286.go b/test/fixedbugs/bug286.go new file mode 100644 index 0000000..b1271f4 --- /dev/null +++ b/test/fixedbugs/bug286.go @@ -0,0 +1,90 @@ +// run + +// Copyright 2010 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 case for issue 849. + +package main + +type I interface { + f() +} + +var callee string +var error_ bool + +type T int + +func (t *T) f() { callee = "f" } +func (i *T) g() { callee = "g" } + +// test1 and test2 are the same except that in the interface J +// the entries are swapped. test2 and test3 are the same except +// that in test3 the interface J is declared outside the function. +// +// Error: test2 calls g instead of f + +func test1(x I) { + type J interface { + I + g() + } + x.(J).f() + if callee != "f" { + println("test1 called", callee) + error_ = true + } +} + +func test2(x I) { + type J interface { + g() + I + } + x.(J).f() + if callee != "f" { + println("test2 called", callee) + error_ = true + } +} + +type J interface { + g() + I +} + +func test3(x I) { + x.(J).f() + if callee != "f" { + println("test3 called", callee) + error_ = true + } +} + +func main() { + x := new(T) + test1(x) + test2(x) + test3(x) + if error_ { + panic("wrong method called") + } +} + +/* +6g bug286.go && 6l bug286.6 && 6.out +test2 called g +panic: wrong method called + +panic PC=0x24e040 +runtime.panic+0x7c /home/gri/go1/src/pkg/runtime/proc.c:1012 + runtime.panic(0x0, 0x24e0a0) +main.main+0xef /home/gri/go1/test/bugs/bug286.go:76 + main.main() +mainstart+0xf /home/gri/go1/src/pkg/runtime/amd64/asm.s:60 + mainstart() +goexit /home/gri/go1/src/pkg/runtime/proc.c:145 + goexit() +*/ |