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Diffstat (limited to 'test/ken/embed.go')
-rw-r--r-- | test/ken/embed.go | 319 |
1 files changed, 319 insertions, 0 deletions
diff --git a/test/ken/embed.go b/test/ken/embed.go new file mode 100644 index 0000000..f7ca066 --- /dev/null +++ b/test/ken/embed.go @@ -0,0 +1,319 @@ +// run + +// 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. + +// Test embedded fields of structs, including methods. + +package main + + +type I interface { + test1() int + test2() int + test3() int + test4() int + test5() int + test6() int + test7() int +} + +/****** + ****** + ******/ + +type SubpSubp struct { + a7 int + a int +} + +func (p *SubpSubp) test7() int { + if p.a != p.a7 { + println("SubpSubp", p, p.a7) + panic("fail") + } + return p.a +} +func (p *SubpSubp) testx() { println("SubpSubp", p, p.a7) } + +/****** + ****** + ******/ + +type SubpSub struct { + a6 int + SubpSubp + a int +} + +func (p *SubpSub) test6() int { + if p.a != p.a6 { + println("SubpSub", p, p.a6) + panic("fail") + } + return p.a +} +func (p *SubpSub) testx() { println("SubpSub", p, p.a6) } + +/****** + ****** + ******/ + +type SubSubp struct { + a5 int + a int +} + +func (p *SubSubp) test5() int { + if p.a != p.a5 { + println("SubpSub", p, p.a5) + panic("fail") + } + return p.a +} + +/****** + ****** + ******/ + +type SubSub struct { + a4 int + a int +} + +func (p *SubSub) test4() int { + if p.a != p.a4 { + println("SubpSub", p, p.a4) + panic("fail") + } + return p.a +} + +/****** + ****** + ******/ + +type Subp struct { + a3 int + *SubpSubp + SubpSub + a int +} + +func (p *Subp) test3() int { + if p.a != p.a3 { + println("SubpSub", p, p.a3) + panic("fail") + } + return p.a +} + +/****** + ****** + ******/ + +type Sub struct { + a2 int + *SubSubp + SubSub + a int +} + +func (p *Sub) test2() int { + if p.a != p.a2 { + println("SubpSub", p, p.a2) + panic("fail") + } + return p.a +} + +/****** + ****** + ******/ + +type S struct { + a1 int + Sub + *Subp + a int +} + +func (p *S) test1() int { + if p.a != p.a1 { + println("SubpSub", p, p.a1) + panic("fail") + } + return p.a +} + +/****** + ****** + ******/ + +func main() { + var i I + var s *S + + // allocate + s = new(S) + s.Subp = new(Subp) + s.Sub.SubSubp = new(SubSubp) + s.Subp.SubpSubp = new(SubpSubp) + + // explicit assignment + s.a = 1 + s.Sub.a = 2 + s.Subp.a = 3 + s.Sub.SubSub.a = 4 + s.Sub.SubSubp.a = 5 + s.Subp.SubpSub.a = 6 + s.Subp.SubpSubp.a = 7 + + // embedded (unique) assignment + s.a1 = 1 + s.a2 = 2 + s.a3 = 3 + s.a4 = 4 + s.a5 = 5 + s.a6 = 6 + s.a7 = 7 + + // unique calls with explicit & + if s.test1() != 1 { + println("t1", 1) + panic("fail") + } + if (&s.Sub).test2() != 2 { + println("t1", 2) + panic("fail") + } + if s.Subp.test3() != 3 { + println("t1", 3) + panic("fail") + } + if (&s.Sub.SubSub).test4() != 4 { + println("t1", 4) + panic("fail") + } + if s.Sub.SubSubp.test5() != 5 { + println("t1", 5) + panic("fail") + } + if (&s.Subp.SubpSub).test6() != 6 { + println("t1", 6) + panic("fail") + } + if s.Subp.SubpSubp.test7() != 7 { + println("t1", 7) + panic("fail") + } + + // automatic & + if s.Sub.test2() != 2 { + println("t2", 2) + panic("fail") + } + if s.Sub.SubSub.test4() != 4 { + println("t2", 4) + panic("fail") + } + if s.Subp.SubpSub.test6() != 6 { + println("t2", 6) + panic("fail") + } + + // embedded calls + if s.test1() != s.a1 { + println("t3", 1) + panic("fail") + } + if s.test2() != s.a2 { + println("t3", 2) + panic("fail") + } + if s.test3() != s.a3 { + println("t3", 3) + panic("fail") + } + if s.test4() != s.a4 { + println("t3", 4) + panic("fail") + } + if s.test5() != s.a5 { + println("t3", 5) + panic("fail") + } + if s.test6() != s.a6 { + println("t3", 6) + panic("fail") + } + if s.test7() != s.a7 { + println("t3", 7) + panic("fail") + } + + // run it through an interface + i = s + s = i.(*S) + + // same as t3 + if s.test1() != s.a1 { + println("t4", 1) + panic("fail") + } + if s.test2() != s.a2 { + println("t4", 2) + panic("fail") + } + if s.test3() != s.a3 { + println("t4", 3) + panic("fail") + } + if s.test4() != s.a4 { + println("t4", 4) + panic("fail") + } + if s.test5() != s.a5 { + println("t4", 5) + panic("fail") + } + if s.test6() != s.a6 { + println("t4", 6) + panic("fail") + } + if s.test7() != s.a7 { + println("t4", 7) + panic("fail") + } + + // call interface + if i.test1() != s.test1() { + println("t5", 1) + panic("fail") + } + if i.test2() != s.test2() { + println("t5", 2) + panic("fail") + } + if i.test3() != s.test3() { + println("t5", 3) + panic("fail") + } + if i.test4() != s.test4() { + println("t5", 4) + panic("fail") + } + if i.test5() != s.test5() { + println("t5", 5) + panic("fail") + } + if i.test6() != s.test6() { + println("t5", 6) + panic("fail") + } + if i.test7() != s.test7() { + println("t5", 7) + panic("fail") + } +} |