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test/interface/embed2.go
75 строк
1 KB
Robert Griesemer
[dev.typeparams] test: adjust more test cases to match compiler -G output
03 дек 2020, 20:55
03 дек 2020, 20:55
7a1aa7d
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// errorcheck // 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 methods derived from embedded interface and *interface values. package main import "os" const Value = 1e12 type Inter interface { M() int64 } type T int64 func (t T) M() int64 { return int64(t) } var t = T(Value) var pt = &t var ti Inter = t var pti = &ti type S struct{ Inter } var s = S{ti} var ps = &s type SP struct{ *Inter } // ERROR "interface" var i Inter var pi = &i var ok = true func check(s string, v int64) { if v != Value { println(s, v) ok = false } } func main() { check("t.M()", t.M()) check("pt.M()", pt.M()) check("ti.M()", ti.M()) check("pti.M()", pti.M()) // ERROR "pointer to interface, not interface|no field or method M" check("s.M()", s.M()) check("ps.M()", ps.M()) i = t check("i = t; i.M()", i.M()) check("i = t; pi.M()", pi.M()) // ERROR "pointer to interface, not interface|no field or method M" i = pt check("i = pt; i.M()", i.M()) check("i = pt; pi.M()", pi.M()) // ERROR "pointer to interface, not interface|no field or method M" i = s check("i = s; i.M()", i.M()) check("i = s; pi.M()", pi.M()) // ERROR "pointer to interface, not interface|no field or method M" i = ps check("i = ps; i.M()", i.M()) check("i = ps; pi.M()", pi.M()) // ERROR "pointer to interface, not interface|no field or method M" if !ok { println("BUG: interface10") os.Exit(1) } }