diff options
Diffstat (limited to 'src/go/types/testdata')
-rw-r--r-- | src/go/types/testdata/fixedbugs/issue43527.go2 | 16 | ||||
-rw-r--r-- | src/go/types/testdata/fixedbugs/issue45550.go2 | 10 | ||||
-rw-r--r-- | src/go/types/testdata/fixedbugs/issue47796.go2 | 33 | ||||
-rw-r--r-- | src/go/types/testdata/fixedbugs/issue47887.go2 | 28 | ||||
-rw-r--r-- | src/go/types/testdata/fixedbugs/issue48136.go2 | 36 |
5 files changed, 123 insertions, 0 deletions
diff --git a/src/go/types/testdata/fixedbugs/issue43527.go2 b/src/go/types/testdata/fixedbugs/issue43527.go2 new file mode 100644 index 0000000000..e4bcee51fe --- /dev/null +++ b/src/go/types/testdata/fixedbugs/issue43527.go2 @@ -0,0 +1,16 @@ +// Copyright 2021 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 p + +const L = 10 + +type ( + _ [L]struct{} + _ [A /* ERROR undeclared name A for array length */ ]struct{} + _ [B /* ERROR not an expression */ ]struct{} + _[A any] struct{} + + B int +) diff --git a/src/go/types/testdata/fixedbugs/issue45550.go2 b/src/go/types/testdata/fixedbugs/issue45550.go2 new file mode 100644 index 0000000000..c3e9e34b87 --- /dev/null +++ b/src/go/types/testdata/fixedbugs/issue45550.go2 @@ -0,0 +1,10 @@ +// Copyright 2021 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 p + +type Builder[T interface{ struct{ Builder[T] } }] struct{} +type myBuilder struct { + Builder[myBuilder /* ERROR myBuilder does not satisfy */] +} diff --git a/src/go/types/testdata/fixedbugs/issue47796.go2 b/src/go/types/testdata/fixedbugs/issue47796.go2 new file mode 100644 index 0000000000..9c10683e22 --- /dev/null +++ b/src/go/types/testdata/fixedbugs/issue47796.go2 @@ -0,0 +1,33 @@ +// Copyright 2021 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 p + +// parameterized types with self-recursive constraints +type ( + T1[P T1[P]] interface{} + T2[P, Q T2[P, Q]] interface{} + T3[P T2[P, Q], Q interface{ ~string }] interface{} + + T4a[P T4a[P]] interface{ ~int } + T4b[P T4b[int]] interface{ ~int } + T4c[P T4c[string /* ERROR string does not satisfy T4c\[string\] */]] interface{ ~int } + + // mutually recursive constraints + T5[P T6[P]] interface{ int } + T6[P T5[P]] interface{ int } +) + +// verify that constraints are checked as expected +var ( + _ T1[int] + _ T2[int, string] + _ T3[int, string] +) + +// test case from issue + +type Eq[a Eq[a]] interface { + Equal(that a) bool +} diff --git a/src/go/types/testdata/fixedbugs/issue47887.go2 b/src/go/types/testdata/fixedbugs/issue47887.go2 new file mode 100644 index 0000000000..4c4fc2fda8 --- /dev/null +++ b/src/go/types/testdata/fixedbugs/issue47887.go2 @@ -0,0 +1,28 @@ +// Copyright 2021 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 p + +type Fooer[t any] interface { + foo(Barer[t]) +} +type Barer[t any] interface { + bar(Bazer[t]) +} +type Bazer[t any] interface { + Fooer[t] + baz(t) +} + +type Int int + +func (n Int) baz(int) {} +func (n Int) foo(b Barer[int]) { b.bar(n) } + +type F[t any] interface { f(G[t]) } +type G[t any] interface { g(H[t]) } +type H[t any] interface { F[t] } + +type T struct{} +func (n T) f(b G[T]) { b.g(n) } diff --git a/src/go/types/testdata/fixedbugs/issue48136.go2 b/src/go/types/testdata/fixedbugs/issue48136.go2 new file mode 100644 index 0000000000..b87f84ae64 --- /dev/null +++ b/src/go/types/testdata/fixedbugs/issue48136.go2 @@ -0,0 +1,36 @@ +// Copyright 2021 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 p + +func f1[P interface{ *P }]() {} +func f2[P interface{ func(P) }]() {} +func f3[P, Q interface{ func(Q) P }]() {} +func f4[P interface{ *Q }, Q interface{ func(P) }]() {} +func f5[P interface{ func(P) }]() {} +func f6[P interface { *Tree[P] }, Q any ]() {} + +func _() { + f1 /* ERROR cannot infer P */ () + f2 /* ERROR cannot infer P */ () + f3 /* ERROR cannot infer P */ () + f4 /* ERROR cannot infer P */ () + f5 /* ERROR cannot infer P */ () + f6 /* ERROR cannot infer P */ () +} + +type Tree[P any] struct { + left, right *Tree[P] + data P +} + +// test case from issue + +func foo[Src interface { func() Src }]() Src { + return foo[Src] +} + +func _() { + foo /* ERROR cannot infer Src */ () +} |