# Test that mod=vendor is disabled in workspace mode, even
# with a single workspace module.

cd workspace

# Base case: ensure the module would default to mod=vendor
# outside of workspace mode.
env GOWORK=off
go list -f '{{.Dir}}' example.com/dep
stdout $GOPATH[\\/]src[\\/]workspace[\\/]vendor[\\/]example.com[\\/]dep

# Test case: endure the module does not enter mod=vendor outside
# worspace mode.
env GOWORK=''
go list -f '{{.Dir}}' example.com/dep
stdout $GOPATH[\\/]src[\\/]dep

-- workspace/go.work --
use .
replace example.com/dep => ../dep
-- workspace/main.go --
package main

import "example.com/dep"

func main() {
	dep.Dep()
}
-- workspace/go.mod --
module example.com/mod

go 1.20

require example.com/dep v1.0.0
-- workspace/vendor/example.com/dep/dep.go --
package dep

import "fmt"

func Dep() {
	fmt.Println("the vendored dep")
}
-- workspace/vendor/modules.txt --
# example.com/dep v1.0.0
## explicit
example.com/dep
-- dep/go.mod --
module example.com/dep
-- dep/dep.go --
package dep

import "fmt"

func Dep () {
    fmt.Println("the real dep")
}