This test checks the behavior of removing a parameter with respect to various
import scenarios.

-- flags --
-min_go=go1.21

-- go.mod --
module mod.test

go 1.21


-- a/a1.go --
package a

import "mod.test/b"

func _() {
	b.B(<-b.Chan, <-b.Chan)
}

-- a/a2.go --
package a

import "mod.test/b"

func _() {
	b.B(<-b.Chan, <-b.Chan)
	b.B(<-b.Chan, <-b.Chan)
}

-- a/a3.go --
package a

import "mod.test/b"

func _() {
	b.B(<-b.Chan, <-b.Chan)
}

func _() {
	b.B(<-b.Chan, <-b.Chan)
}

-- a/a4.go --
package a

// TODO(rfindley/adonovan): inlining here adds an additional import of
// mod.test/b. Can we do better?
import (
	. "mod.test/b"
)

func _() {
	B(<-Chan, <-Chan)
}

-- b/b.go --
package b

import "mod.test/c"

var Chan chan c.C

func B(x, y c.C) { //@codeaction("x", "x", "refactor.rewrite.removeUnusedParam", b)
}

-- c/c.go --
package c

type C int

-- d/d.go --
package d

// Removing the parameter should remove this import.
import "mod.test/c"

func D(x c.C) { //@codeaction("x", "x", "refactor.rewrite.removeUnusedParam", d)
}

func _() {
	D(1)
}

-- @b/a/a1.go --
package a

import (
	"mod.test/b"
	"mod.test/c"
)

func _() {
	var _ c.C = <-b.Chan
	b.B(<-b.Chan)
}
-- @b/a/a2.go --
package a

import (
	"mod.test/b"
	"mod.test/c"
)

func _() {
	var _ c.C = <-b.Chan
	b.B(<-b.Chan)
	var _ c.C = <-b.Chan
	b.B(<-b.Chan)
}
-- @b/a/a3.go --
package a

import (
	"mod.test/b"
	"mod.test/c"
)

func _() {
	var _ c.C = <-b.Chan
	b.B(<-b.Chan)
}

func _() {
	var _ c.C = <-b.Chan
	b.B(<-b.Chan)
}
-- @b/a/a4.go --
package a

// TODO(rfindley/adonovan): inlining here adds an additional import of
// mod.test/b. Can we do better?
import (
	"mod.test/b"
	. "mod.test/b"
	"mod.test/c"
)

func _() {
	var _ c.C = <-Chan
	b.B(<-Chan)
}
-- @b/b/b.go --
package b

import "mod.test/c"

var Chan chan c.C

func B(y c.C) { //@codeaction("x", "x", "refactor.rewrite.removeUnusedParam", b)
}
-- @d/d/d.go --
package d

// Removing the parameter should remove this import.

func D() { //@codeaction("x", "x", "refactor.rewrite.removeUnusedParam", d)
}

func _() {
	D()
}