This test checks the behavior of the 'fill struct' code action, with resolve support.
See fill_struct.txt for same test without resolve support.

-- capabilities.json --
{
	"textDocument": {
		"codeAction": {
			"dataSupport": true,
			"resolveSupport": {
				"properties": ["edit"]
			}
		}
	}
}
-- flags --
-ignore_extra_diags

-- go.mod --
module golang.org/lsptests/fillstruct

go 1.18

-- data/data.go --
package data

type B struct {
	ExportedInt   int
	unexportedInt int
}

-- a.go --
package fillstruct

import (
	"golang.org/lsptests/fillstruct/data"
)

type basicStruct struct {
	foo int
}

var _ = basicStruct{} //@codeactionedit("}", "refactor.rewrite", a1)

type twoArgStruct struct {
	foo int
	bar string
}

var _ = twoArgStruct{} //@codeactionedit("}", "refactor.rewrite", a2)

type nestedStruct struct {
	bar   string
	basic basicStruct
}

var _ = nestedStruct{} //@codeactionedit("}", "refactor.rewrite", a3)

var _ = data.B{} //@codeactionedit("}", "refactor.rewrite", a4)
-- @a1/a.go --
@@ -11 +11,3 @@
-var _ = basicStruct{} //@codeactionedit("}", "refactor.rewrite", a1)
+var _ = basicStruct{
+	foo: 0,
+} //@codeactionedit("}", "refactor.rewrite", a1)
-- @a2/a.go --
@@ -18 +18,4 @@
-var _ = twoArgStruct{} //@codeactionedit("}", "refactor.rewrite", a2)
+var _ = twoArgStruct{
+	foo: 0,
+	bar: "",
+} //@codeactionedit("}", "refactor.rewrite", a2)
-- @a3/a.go --
@@ -25 +25,4 @@
-var _ = nestedStruct{} //@codeactionedit("}", "refactor.rewrite", a3)
+var _ = nestedStruct{
+	bar:   "",
+	basic: basicStruct{},
+} //@codeactionedit("}", "refactor.rewrite", a3)
-- @a4/a.go --
@@ -27 +27,3 @@
-var _ = data.B{} //@codeactionedit("}", "refactor.rewrite", a4)
+var _ = data.B{
+	ExportedInt: 0,
+} //@codeactionedit("}", "refactor.rewrite", a4)
-- a2.go --
package fillstruct

type typedStruct struct {
	m  map[string]int
	s  []int
	c  chan int
	c1 <-chan int
	a  [2]string
}

var _ = typedStruct{} //@codeactionedit("}", "refactor.rewrite", a21)

type funStruct struct {
	fn func(i int) int
}

var _ = funStruct{} //@codeactionedit("}", "refactor.rewrite", a22)

type funStructComplex struct {
	fn func(i int, s string) (string, int)
}

var _ = funStructComplex{} //@codeactionedit("}", "refactor.rewrite", a23)

type funStructEmpty struct {
	fn func()
}

var _ = funStructEmpty{} //@codeactionedit("}", "refactor.rewrite", a24)

-- @a21/a2.go --
@@ -11 +11,7 @@
-var _ = typedStruct{} //@codeactionedit("}", "refactor.rewrite", a21)
+var _ = typedStruct{
+	m:  map[string]int{},
+	s:  []int{},
+	c:  make(chan int),
+	c1: make(<-chan int),
+	a:  [2]string{},
+} //@codeactionedit("}", "refactor.rewrite", a21)
-- @a22/a2.go --
@@ -17 +17,4 @@
-var _ = funStruct{} //@codeactionedit("}", "refactor.rewrite", a22)
+var _ = funStruct{
+	fn: func(i int) int {
+	},
+} //@codeactionedit("}", "refactor.rewrite", a22)
-- @a23/a2.go --
@@ -23 +23,4 @@
-var _ = funStructComplex{} //@codeactionedit("}", "refactor.rewrite", a23)
+var _ = funStructComplex{
+	fn: func(i int, s string) (string, int) {
+	},
+} //@codeactionedit("}", "refactor.rewrite", a23)
-- @a24/a2.go --
@@ -29 +29,4 @@
-var _ = funStructEmpty{} //@codeactionedit("}", "refactor.rewrite", a24)
+var _ = funStructEmpty{
+	fn: func() {
+	},
+} //@codeactionedit("}", "refactor.rewrite", a24)
-- a3.go --
package fillstruct

import (
	"go/ast"
	"go/token"
)

type Foo struct {
	A int
}

type Bar struct {
	X *Foo
	Y *Foo
}

var _ = Bar{} //@codeactionedit("}", "refactor.rewrite", a31)

type importedStruct struct {
	m  map[*ast.CompositeLit]ast.Field
	s  []ast.BadExpr
	a  [3]token.Token
	c  chan ast.EmptyStmt
	fn func(ast_decl ast.DeclStmt) ast.Ellipsis
	st ast.CompositeLit
}

var _ = importedStruct{} //@codeactionedit("}", "refactor.rewrite", a32)

type pointerBuiltinStruct struct {
	b *bool
	s *string
	i *int
}

var _ = pointerBuiltinStruct{} //@codeactionedit("}", "refactor.rewrite", a33)

var _ = []ast.BasicLit{
	{}, //@codeactionedit("}", "refactor.rewrite", a34)
}

var _ = []ast.BasicLit{{}} //@codeactionedit("}", "refactor.rewrite", a35)
-- @a31/a3.go --
@@ -17 +17,4 @@
-var _ = Bar{} //@codeactionedit("}", "refactor.rewrite", a31)
+var _ = Bar{
+	X: &Foo{},
+	Y: &Foo{},
+} //@codeactionedit("}", "refactor.rewrite", a31)
-- @a32/a3.go --
@@ -28 +28,9 @@
-var _ = importedStruct{} //@codeactionedit("}", "refactor.rewrite", a32)
+var _ = importedStruct{
+	m: map[*ast.CompositeLit]ast.Field{},
+	s: []ast.BadExpr{},
+	a: [3]token.Token{},
+	c: make(chan ast.EmptyStmt),
+	fn: func(ast_decl ast.DeclStmt) ast.Ellipsis {
+	},
+	st: ast.CompositeLit{},
+} //@codeactionedit("}", "refactor.rewrite", a32)
-- @a33/a3.go --
@@ -36 +36,5 @@
-var _ = pointerBuiltinStruct{} //@codeactionedit("}", "refactor.rewrite", a33)
+var _ = pointerBuiltinStruct{
+	b: new(bool),
+	s: new(string),
+	i: new(int),
+} //@codeactionedit("}", "refactor.rewrite", a33)
-- @a34/a3.go --
@@ -39 +39,5 @@
-	{}, //@codeactionedit("}", "refactor.rewrite", a34)
+	{
+		ValuePos: 0,
+		Kind:     0,
+		Value:    "",
+	}, //@codeactionedit("}", "refactor.rewrite", a34)
-- @a35/a3.go --
@@ -42 +42,5 @@
-var _ = []ast.BasicLit{{}} //@codeactionedit("}", "refactor.rewrite", a35)
+var _ = []ast.BasicLit{{
+	ValuePos: 0,
+	Kind:     0,
+	Value:    "",
+}} //@codeactionedit("}", "refactor.rewrite", a35)
-- a4.go --
package fillstruct

import "go/ast"

type iStruct struct {
	X int
}

type sStruct struct {
	str string
}

type multiFill struct {
	num   int
	strin string
	arr   []int
}

type assignStruct struct {
	n ast.Node
}

func fill() {
	var x int
	var _ = iStruct{} //@codeactionedit("}", "refactor.rewrite", a41)

	var s string
	var _ = sStruct{} //@codeactionedit("}", "refactor.rewrite", a42)

	var n int
	_ = []int{}
	if true {
		arr := []int{1, 2}
	}
	var _ = multiFill{} //@codeactionedit("}", "refactor.rewrite", a43)

	var node *ast.CompositeLit
	var _ = assignStruct{} //@codeactionedit("}", "refactor.rewrite", a45)
}

-- @a41/a4.go --
@@ -25 +25,3 @@
-	var _ = iStruct{} //@codeactionedit("}", "refactor.rewrite", a41)
+	var _ = iStruct{
+		X: x,
+	} //@codeactionedit("}", "refactor.rewrite", a41)
-- @a42/a4.go --
@@ -28 +28,3 @@
-	var _ = sStruct{} //@codeactionedit("}", "refactor.rewrite", a42)
+	var _ = sStruct{
+		str: s,
+	} //@codeactionedit("}", "refactor.rewrite", a42)
-- @a43/a4.go --
@@ -35 +35,5 @@
-	var _ = multiFill{} //@codeactionedit("}", "refactor.rewrite", a43)
+	var _ = multiFill{
+		num:   n,
+		strin: s,
+		arr:   []int{},
+	} //@codeactionedit("}", "refactor.rewrite", a43)
-- @a45/a4.go --
@@ -38 +38,3 @@
-	var _ = assignStruct{} //@codeactionedit("}", "refactor.rewrite", a45)
+	var _ = assignStruct{
+		n: node,
+	} //@codeactionedit("}", "refactor.rewrite", a45)
-- fill_struct.go --
package fillstruct

type StructA struct {
	unexportedIntField int
	ExportedIntField   int
	MapA               map[int]string
	Array              []int
	StructB
}

type StructA2 struct {
	B *StructB
}

type StructA3 struct {
	B StructB
}

func fill() {
	a := StructA{}  //@codeactionedit("}", "refactor.rewrite", fill_struct1)
	b := StructA2{} //@codeactionedit("}", "refactor.rewrite", fill_struct2)
	c := StructA3{} //@codeactionedit("}", "refactor.rewrite", fill_struct3)
	if true {
		_ = StructA3{} //@codeactionedit("}", "refactor.rewrite", fill_struct4)
	}
}

-- @fill_struct1/fill_struct.go --
@@ -20 +20,7 @@
-	a := StructA{}  //@codeactionedit("}", "refactor.rewrite", fill_struct1)
+	a := StructA{
+		unexportedIntField: 0,
+		ExportedIntField:   0,
+		MapA:               map[int]string{},
+		Array:              []int{},
+		StructB:            StructB{},
+	}  //@codeactionedit("}", "refactor.rewrite", fill_struct1)
-- @fill_struct2/fill_struct.go --
@@ -21 +21,3 @@
-	b := StructA2{} //@codeactionedit("}", "refactor.rewrite", fill_struct2)
+	b := StructA2{
+		B: &StructB{},
+	} //@codeactionedit("}", "refactor.rewrite", fill_struct2)
-- @fill_struct3/fill_struct.go --
@@ -22 +22,3 @@
-	c := StructA3{} //@codeactionedit("}", "refactor.rewrite", fill_struct3)
+	c := StructA3{
+		B: StructB{},
+	} //@codeactionedit("}", "refactor.rewrite", fill_struct3)
-- @fill_struct4/fill_struct.go --
@@ -24 +24,3 @@
-		_ = StructA3{} //@codeactionedit("}", "refactor.rewrite", fill_struct4)
+		_ = StructA3{
+			B: StructB{},
+		} //@codeactionedit("}", "refactor.rewrite", fill_struct4)
-- fill_struct_anon.go --
package fillstruct

type StructAnon struct {
	a struct{}
	b map[string]interface{}
	c map[string]struct {
		d int
		e bool
	}
}

func fill() {
	_ := StructAnon{} //@codeactionedit("}", "refactor.rewrite", fill_struct_anon)
}
-- @fill_struct_anon/fill_struct_anon.go --
@@ -13 +13,5 @@
-	_ := StructAnon{} //@codeactionedit("}", "refactor.rewrite", fill_struct_anon)
+	_ := StructAnon{
+		a: struct{}{},
+		b: map[string]interface{}{},
+		c: map[string]struct{d int; e bool}{},
+	} //@codeactionedit("}", "refactor.rewrite", fill_struct_anon)
-- fill_struct_nested.go --
package fillstruct

type StructB struct {
	StructC
}

type StructC struct {
	unexportedInt int
}

func nested() {
	c := StructB{
		StructC: StructC{}, //@codeactionedit("}", "refactor.rewrite", fill_nested)
	}
}

-- @fill_nested/fill_struct_nested.go --
@@ -13 +13,3 @@
-		StructC: StructC{}, //@codeactionedit("}", "refactor.rewrite", fill_nested)
+		StructC: StructC{
+			unexportedInt: 0,
+		}, //@codeactionedit("}", "refactor.rewrite", fill_nested)
-- fill_struct_package.go --
package fillstruct

import (
	h2 "net/http"

	"golang.org/lsptests/fillstruct/data"
)

func unexported() {
	a := data.B{}   //@codeactionedit("}", "refactor.rewrite", fill_struct_package1)
	_ = h2.Client{} //@codeactionedit("}", "refactor.rewrite", fill_struct_package2)
}
-- @fill_struct_package1/fill_struct_package.go --
@@ -10 +10,3 @@
-	a := data.B{}   //@codeactionedit("}", "refactor.rewrite", fill_struct_package1)
+	a := data.B{
+		ExportedInt: 0,
+	}   //@codeactionedit("}", "refactor.rewrite", fill_struct_package1)
-- @fill_struct_package2/fill_struct_package.go --
@@ -11 +11,7 @@
-	_ = h2.Client{} //@codeactionedit("}", "refactor.rewrite", fill_struct_package2)
+	_ = h2.Client{
+		Transport: nil,
+		CheckRedirect: func(req *h2.Request, via []*h2.Request) error {
+		},
+		Jar:     nil,
+		Timeout: 0,
+	} //@codeactionedit("}", "refactor.rewrite", fill_struct_package2)
-- fill_struct_partial.go --
package fillstruct

type StructPartialA struct {
	PrefilledInt int
	UnfilledInt  int
	StructPartialB
}

type StructPartialB struct {
	PrefilledInt int
	UnfilledInt  int
}

func fill() {
	a := StructPartialA{
		PrefilledInt: 5,
	} //@codeactionedit("}", "refactor.rewrite", fill_struct_partial1)
	b := StructPartialB{
		/* this comment should disappear */
		PrefilledInt: 7, // This comment should be blown away.
		/* As should
		this one */
	} //@codeactionedit("}", "refactor.rewrite", fill_struct_partial2)
}

-- @fill_struct_partial1/fill_struct_partial.go --
@@ -16 +16,3 @@
-		PrefilledInt: 5,
+		PrefilledInt:   5,
+		UnfilledInt:    0,
+		StructPartialB: StructPartialB{},
-- @fill_struct_partial2/fill_struct_partial.go --
@@ -19,4 +19,2 @@
-		/* this comment should disappear */
-		PrefilledInt: 7, // This comment should be blown away.
-		/* As should
-		this one */
+		PrefilledInt: 7,
+		UnfilledInt:  0,
-- fill_struct_spaces.go --
package fillstruct

type StructD struct {
	ExportedIntField int
}

func spaces() {
	d := StructD{} //@codeactionedit("}", "refactor.rewrite", fill_struct_spaces)
}

-- @fill_struct_spaces/fill_struct_spaces.go --
@@ -8 +8,3 @@
-	d := StructD{} //@codeactionedit("}", "refactor.rewrite", fill_struct_spaces)
+	d := StructD{
+		ExportedIntField: 0,
+	} //@codeactionedit("}", "refactor.rewrite", fill_struct_spaces)
-- fill_struct_unsafe.go --
package fillstruct

import "unsafe"

type unsafeStruct struct {
	x int
	p unsafe.Pointer
}

func fill() {
	_ := unsafeStruct{} //@codeactionedit("}", "refactor.rewrite", fill_struct_unsafe)
}

-- @fill_struct_unsafe/fill_struct_unsafe.go --
@@ -11 +11,4 @@
-	_ := unsafeStruct{} //@codeactionedit("}", "refactor.rewrite", fill_struct_unsafe)
+	_ := unsafeStruct{
+		x: 0,
+		p: nil,
+	} //@codeactionedit("}", "refactor.rewrite", fill_struct_unsafe)
-- typeparams.go --
package fillstruct

type emptyStructWithTypeParams[A any] struct{}

var _ = emptyStructWithTypeParams[int]{} // no suggested fix

type basicStructWithTypeParams[T any] struct {
	foo T
}

var _ = basicStructWithTypeParams[int]{} //@codeactionedit("}", "refactor.rewrite", typeparams1)

type twoArgStructWithTypeParams[F, B any] struct {
	foo F
	bar B
}

var _ = twoArgStructWithTypeParams[string, int]{} //@codeactionedit("}", "refactor.rewrite", typeparams2)

var _ = twoArgStructWithTypeParams[int, string]{
	bar: "bar",
} //@codeactionedit("}", "refactor.rewrite", typeparams3)

type nestedStructWithTypeParams struct {
	bar   string
	basic basicStructWithTypeParams[int]
}

var _ = nestedStructWithTypeParams{} //@codeactionedit("}", "refactor.rewrite", typeparams4)

func _[T any]() {
	type S struct{ t T }
	_ = S{} //@codeactionedit("}", "refactor.rewrite", typeparams5)
}
-- @typeparams1/typeparams.go --
@@ -11 +11,3 @@
-var _ = basicStructWithTypeParams[int]{} //@codeactionedit("}", "refactor.rewrite", typeparams1)
+var _ = basicStructWithTypeParams[int]{
+	foo: 0,
+} //@codeactionedit("}", "refactor.rewrite", typeparams1)
-- @typeparams2/typeparams.go --
@@ -18 +18,4 @@
-var _ = twoArgStructWithTypeParams[string, int]{} //@codeactionedit("}", "refactor.rewrite", typeparams2)
+var _ = twoArgStructWithTypeParams[string, int]{
+	foo: "",
+	bar: 0,
+} //@codeactionedit("}", "refactor.rewrite", typeparams2)
-- @typeparams3/typeparams.go --
@@ -21 +21 @@
+	foo: 0,
-- @typeparams4/typeparams.go --
@@ -29 +29,4 @@
-var _ = nestedStructWithTypeParams{} //@codeactionedit("}", "refactor.rewrite", typeparams4)
+var _ = nestedStructWithTypeParams{
+	bar:   "",
+	basic: basicStructWithTypeParams{},
+} //@codeactionedit("}", "refactor.rewrite", typeparams4)
-- @typeparams5/typeparams.go --
@@ -33 +33,3 @@
-	_ = S{} //@codeactionedit("}", "refactor.rewrite", typeparams5)
+	_ = S{
+		t: *new(T),
+	} //@codeactionedit("}", "refactor.rewrite", typeparams5)
-- issue63921.go --
package fillstruct

// Test for golang/go#63921: fillstruct panicked with invalid fields.
type invalidStruct struct {
  F int
  Undefined
}

func _() {
  // Note: the golden content for issue63921 is empty: fillstruct produces no
  // edits, but does not panic.
  invalidStruct{} //@codeactionedit("}", "refactor.rewrite", issue63921)
}