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test/interface/embed3.dir/embed1.go
78 строк
2 KB
Dmitry Vyukov
test: add tests for runtime.itab.init
06 ноя 2019, 12:09
06 ноя 2019, 12:09
0c5d545
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// Copyright 2019 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 import "./embed0" type X1 struct{} func (X1) Foo() {} type X2 struct{} func (X2) foo() {} type X3 struct{} func (X3) foo(int) {} type X4 struct{ p.M1 } type X5 struct{ p.M1 } func (X5) foo(int) {} type X6 struct{ p.M2 } type X7 struct{ p.M2 } func (X7) foo() {} type X8 struct{ p.M2 } func (X8) foo(int) {} func main() { var i1 interface{} = X1{} check(func() { _ = i1.(p.I1) }, "interface conversion: main.X1 is not p.I1: missing method Foo") var i2 interface{} = X2{} check(func() { _ = i2.(p.I2) }, "interface conversion: main.X2 is not p.I2: missing method foo") var i3 interface{} = X3{} check(func() { _ = i3.(p.I2) }, "interface conversion: main.X3 is not p.I2: missing method foo") var i4 interface{} = X4{} check(func() { _ = i4.(p.I2) }, "interface conversion: main.X4 is not p.I2: missing method foo") var i5 interface{} = X5{} check(func() { _ = i5.(p.I2) }, "interface conversion: main.X5 is not p.I2: missing method foo") var i6 interface{} = X6{} check(func() { _ = i6.(p.I2) }, "") var i7 interface{} = X7{} check(func() { _ = i7.(p.I2) }, "") var i8 interface{} = X8{} check(func() { _ = i8.(p.I2) }, "") } func check(f func(), msg string) { defer func() { v := recover() if v == nil { if msg == "" { return } panic("did not panic") } got := v.(error).Error() if msg != got { panic("want '" + msg + "', got '" + got + "'") } }() f() }