Move test to test script

Author: matthewhughes934

src/cmd/go/go_test.go

@@ -2778,47 +2778,6 @@ func TestCoverpkgTestOnly(t *testing.T) {
 	tg.grepStdout("coverage: 100", "no coverage")
 }
 
-// regression test for github.com/golang/go/issues/66038
-func TestCoverpkgIngoresSpecialDirs(t *testing.T) {
-	skipIfGccgo(t, "gccgo has no cover tool")
-	tooSlow(t, "links and runs a test binary with coverage enabled")
-
-	tg := testgo(t)
-	defer tg.cleanup()
-
-	wd, err := os.Getwd()
-	tg.check(err)
-	tg.makeTempdir()
-	tg.check(os.Chdir(tg.path(".")))
-	defer func() { tg.check(os.Chdir(wd)) }()
-
-	tg.tempFile("a/a.go", `package a
-		import ( _ "b" )
-		func F(i int) int {
-			return i*i
-		}`)
-	tg.tempFile("a/a_test.go", `
-		package a
-		import ( "testing" )
-		func TestF(t *testing.T) { F(2) }
-	`)
-
-	for _, skipDir := range []string{".dir", "_dir", "testdata", "dir/testdata"} {
-		t.Run(skipDir, func(t *testing.T) {
-			tg.tempFile(fmt.Sprintf("%s/src/b/b.go", skipDir), `package b
-				func G(i int) int {
-					return i*i
-				}`)
-			tg.setenv("GOPATH", tg.path(skipDir))
-
-			tg.run("test", "-coverpkg=./...", "./...")
-
-			tg.grepStderrNot("no packages being tested depend on matches", "bad match message")
-			tg.grepStdout("coverage: 100", "no coverage")
-		})
-	}
-}
-
 // Regression test for golang.org/issue/34499: version command should not crash
 // when executed in a deleted directory on Linux.
 func TestExecInDeletedDir(t *testing.T) {

src/cmd/go/testdata/script/coverpkg_ignores_special_dirs.txt

@@ -0,0 +1,57 @@
+# test for https://github.com/golang/go/issues/66038
+[short] skip
+
+env GO111MODULE=off
+# files
+env GOPATH=$WORK/.dir${:}$WORK/_dir${:}$WORK/testdata
+
+cd $WORK
+go test -coverpkg=./... ./...
+stdout 'coverage: 100.0%'
+
+-- $WORK/a.go --
+package a
+
+// trivial function with 100% test coverage
+
+import (
+	_ "dot_dir"
+	_ "under_dir"
+	_ "testdata_dir"
+)
+
+func F(i int) int {
+	return i*i
+}
+
+-- $WORK/a_test.go --
+package a
+
+import (
+	"testing"
+)
+
+func TestF(t *testing.T) {
+	F(2)
+}
+
+-- $WORK/.dir/src/dot_dir/b.go --
+package dot_dir
+
+func G(i int) int {
+	return i*i
+}
+
+-- $WORK/.dir/src/under_dir/b.go --
+package dot_dir
+
+func G(i int) int {
+	return i*i
+}
+
+-- $WORK/testdata/src/testdata_dir/b.go --
+package testdata_dir
+
+func G(i int) int {
+	return i*i
+}