| Test of "too new" diagnostics from the stdversion analyzer. |
| |
| This test references go1.21 and go1.22 symbols from std. |
| |
| It uses a txtar file due to golang/go#37054. |
| |
| See also gopls/internal/test/marker/testdata/diagnostics/stdversion.txt |
| which runs the same test within the gopls analysis driver, to ensure |
| coverage of per-file Go version support. |
| |
| -- go.work -- |
| go 1.21 |
| |
| use . |
| use sub |
| use sub20 |
| use old |
| |
| -- go.mod -- |
| module example.com |
| |
| go 1.21 |
| |
| -- a/a.go -- |
| package a |
| |
| import "go/types" |
| |
| func _() { |
| // old package-level type |
| var _ types.Info // ok: defined by go1.0 |
| |
| // new field of older type |
| _ = new(types.Info).FileVersions // want `types.FileVersions requires go1.22 or later \(module is go1.21\)` |
| |
| // new method of older type |
| new(types.Info).PkgNameOf // want `types.PkgNameOf requires go1.22 or later \(module is go1.21\)` |
| |
| // new package-level type |
| var a types.Alias // want `types.Alias requires go1.22 or later \(module is go1.21\)` |
| |
| // new method of new type |
| a.Underlying() // no diagnostic |
| } |
| |
| -- sub/go.mod -- |
| module example.com/sub |
| |
| go 1.21 |
| |
| -- sub/sub.go -- |
| package sub |
| |
| import "go/types" |
| |
| func _() { |
| // old package-level type |
| var _ types.Info // ok: defined by go1.0 |
| |
| // new field of older type |
| _ = new(types.Info).FileVersions // want `types.FileVersions requires go1.22 or later \(module is go1.21\)` |
| |
| // new method of older type |
| new(types.Info).PkgNameOf // want `types.PkgNameOf requires go1.22 or later \(module is go1.21\)` |
| |
| // new package-level type |
| var a types.Alias // want `types.Alias requires go1.22 or later \(module is go1.21\)` |
| |
| // new method of new type |
| a.Underlying() // no diagnostic |
| } |
| |
| invalid syntax // exercise RunDespiteErrors |
| |
| -- sub/tagged.go -- |
| //go:build go1.22 |
| |
| package sub |
| |
| import "go/types" |
| |
| func _() { |
| // old package-level type |
| var _ types.Info |
| |
| // new field of older type |
| _ = new(types.Info).FileVersions |
| |
| // new method of older type |
| new(types.Info).PkgNameOf |
| |
| // new package-level type |
| var a types.Alias |
| |
| // new method of new type |
| a.Underlying() |
| } |
| |
| -- old/go.mod -- |
| module example.com/old |
| |
| go 1.5 |
| |
| -- old/old.go -- |
| package old |
| |
| import "go/types" |
| |
| var _ types.Alias // no diagnostic: go.mod is too old for us to care |
| |
| -- sub/oldtagged.go -- |
| // The file Go version (1.16) overrides the go.mod Go version (1.21), |
| // even when this means a downgrade (#67123). |
| // (stdversion is silent for go.mod versions before 1.21: |
| // before the forward compatibility regime, the meaning |
| // of the go.mod version was not clearly defined.) |
| |
| //go:build go1.16 |
| |
| package sub |
| |
| import "bytes" |
| import "go/types" |
| |
| var _ = bytes.Clone // want `bytes.Clone requires go1.20 or later \(file is go1.16\)` |
| var _ = types.Alias // want `types.Alias requires go1.22 or later \(file is go1.16\)` |
| |
| -- sub20/go.mod -- |
| module example.com/sub20 |
| |
| go 1.20 |
| |
| -- sub20/oldtagged.go -- |
| // Same test again, but with a go1.20 mod, |
| // before the forward compatibility regime: |
| // The file's build tag effects selection, but |
| // not language semantics, so stdversion is silent. |
| |
| //go:build go1.16 |
| |
| package sub |
| |
| import "bytes" |
| import "go/types" |
| |
| var _ = bytes.Clone |
| var _ = types.Alias |
| |