diff options
Diffstat (limited to 'gopls/internal/lsp/analysis/infertypeargs/testdata/src/a')
7 files changed, 123 insertions, 0 deletions
diff --git a/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/basic.go b/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/basic.go new file mode 100644 index 000000000..1c3d88ba1 --- /dev/null +++ b/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/basic.go @@ -0,0 +1,20 @@ +// 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. + +// This file contains tests for the infertyepargs checker. + +package a + +func f[T any](T) {} + +func g[T any]() T { var x T; return x } + +func h[P interface{ ~*T }, T any]() {} + +func _() { + f[string]("hello") // want "unnecessary type arguments" + f[int](2) // want "unnecessary type arguments" + _ = g[int]() + h[*int, int]() // want "unnecessary type arguments" +} diff --git a/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/basic.go.golden b/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/basic.go.golden new file mode 100644 index 000000000..72348ff77 --- /dev/null +++ b/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/basic.go.golden @@ -0,0 +1,20 @@ +// 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. + +// This file contains tests for the infertyepargs checker. + +package a + +func f[T any](T) {} + +func g[T any]() T { var x T; return x } + +func h[P interface{ ~*T }, T any]() {} + +func _() { + f("hello") // want "unnecessary type arguments" + f(2) // want "unnecessary type arguments" + _ = g[int]() + h[*int]() // want "unnecessary type arguments" +} diff --git a/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/imported.go b/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/imported.go new file mode 100644 index 000000000..fc1f763df --- /dev/null +++ b/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/imported.go @@ -0,0 +1,12 @@ +// 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 a + +import "a/imported" + +func _() { + var x int + imported.F[int](x) // want "unnecessary type arguments" +} diff --git a/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/imported.go.golden b/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/imported.go.golden new file mode 100644 index 000000000..6099545bb --- /dev/null +++ b/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/imported.go.golden @@ -0,0 +1,12 @@ +// 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 a + +import "a/imported" + +func _() { + var x int + imported.F(x) // want "unnecessary type arguments" +} diff --git a/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/imported/imported.go b/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/imported/imported.go new file mode 100644 index 000000000..f0610a8b4 --- /dev/null +++ b/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/imported/imported.go @@ -0,0 +1,7 @@ +// 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 imported + +func F[T any](T) {} diff --git a/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/notypechange.go b/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/notypechange.go new file mode 100644 index 000000000..c304f1d0d --- /dev/null +++ b/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/notypechange.go @@ -0,0 +1,26 @@ +// 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. + +// We should not suggest removing type arguments if doing so would change the +// resulting type. + +package a + +func id[T any](t T) T { return t } + +var _ = id[int](1) // want "unnecessary type arguments" +var _ = id[string]("foo") // want "unnecessary type arguments" +var _ = id[int64](2) + +func pair[T any](t T) (T, T) { return t, t } + +var _, _ = pair[int](3) // want "unnecessary type arguments" +var _, _ = pair[int64](3) + +func noreturn[T any](t T) {} + +func _() { + noreturn[int64](4) + noreturn[int](4) // want "unnecessary type arguments" +} diff --git a/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/notypechange.go.golden b/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/notypechange.go.golden new file mode 100644 index 000000000..93c6f707c --- /dev/null +++ b/gopls/internal/lsp/analysis/infertypeargs/testdata/src/a/notypechange.go.golden @@ -0,0 +1,26 @@ +// 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. + +// We should not suggest removing type arguments if doing so would change the +// resulting type. + +package a + +func id[T any](t T) T { return t } + +var _ = id(1) // want "unnecessary type arguments" +var _ = id("foo") // want "unnecessary type arguments" +var _ = id[int64](2) + +func pair[T any](t T) (T, T) { return t, t } + +var _, _ = pair(3) // want "unnecessary type arguments" +var _, _ = pair[int64](3) + +func noreturn[T any](t T) {} + +func _() { + noreturn[int64](4) + noreturn(4) // want "unnecessary type arguments" +} |