diff --git a/src/cmd/go/internal/test/test.go b/src/cmd/go/internal/test/test.go index 8a40547f2e3ad..13818b72ab50f 100644 --- a/src/cmd/go/internal/test/test.go +++ b/src/cmd/go/internal/test/test.go @@ -1396,7 +1396,7 @@ func (r *runTestActor) Act(b *work.Builder, ctx context.Context, a *work.Action) if p := a.Package; len(p.TestGoFiles)+len(p.XTestGoFiles) == 0 { reportNoTestFiles := true - if cfg.BuildCover && cfg.Experiment.CoverageRedesign { + if cfg.BuildCover && cfg.Experiment.CoverageRedesign && p.Internal.Cover.GenMeta { if err := sh.Mkdir(a.Objdir); err != nil { return err } diff --git a/src/cmd/go/testdata/script/cover_coverpkg_partial.txt b/src/cmd/go/testdata/script/cover_coverpkg_partial.txt index 524024101acdf..ef7a4dd2aac48 100644 --- a/src/cmd/go/testdata/script/cover_coverpkg_partial.txt +++ b/src/cmd/go/testdata/script/cover_coverpkg_partial.txt @@ -39,6 +39,14 @@ go test -coverprofile=baz.p -coverpkg=./a,./d,./f ./b ./f stdout '^ok\s+M/b\s+\S+\s+coverage: 83.3% of statements in ./a, ./d, ./f' stdout '^\s*M/f\s+coverage: 0.0% of statements' +# This sub-test inspired by issue 65653: if package P is is matched +# via the package pattern supplied as the argument to "go test -cover" +# but P is not part of "-coverpkg", then we don't want coverage for P +# (including the specific case where P has no test files). +go test -coverpkg=./a ./... +stdout '^ok\s+M/a\s+\S+\s+coverage: 100.0% of statements in ./a' +stdout '^\s*\?\s+M/f\s+\[no test files\]' + -- a/a.go -- package a