# This test checks that multiple main packages can be tested
# with -coverpkg=all without duplicate symbol errors.
# Verifies golang.org/issue/30374.

env GO111MODULE=on

[short] skip

go test -coverpkg=all ./...

-- go.mod --
module example.com/cov

-- mainonly/mainonly.go --
package main

func main() {}

-- mainwithtest/mainwithtest.go --
package main

func main() {}

func Foo() {}

-- mainwithtest/mainwithtest_test.go --
package main

import "testing"

func TestFoo(t *testing.T) {
  Foo()
}

-- xtest/x.go --
package x

-- xtest/x_test.go --
package x_test

import "testing"

func TestX(t *testing.T) {}