# Refuse duplicate keys, unknown struct members, positional literals, malformed elements, and repeated selectors without changing the source.
! exec semedit insert-construct --kind element --file config.go --in-declaration routes --discriminator 'map[string]int{"health": 1}' --source '"health": 2'
stderr 'already contains the typed key'
cmp config.go .scratch/want/config.go
! exec semedit insert-construct --kind element --file config.go --in-declaration config --discriminator 'Config{Health: 1}' --source 'Missing: 2'
stderr 'absent from the supplied type context'
cmp config.go .scratch/want/config.go
! exec semedit insert-construct --kind element --file config.go --in-declaration point --discriminator 'Point{1}' --source 'X: 2'
stderr 'positional struct literals are unsupported'
cmp config.go .scratch/want/config.go
! exec semedit insert-construct --kind element --file config.go --in-declaration routes --discriminator 'map[string]int{"health": 1}' --source '"metrics" 2'
stderr 'parse keyed composite element'
cmp config.go .scratch/want/config.go
! exec semedit insert-construct --kind element --file config.go --in-declaration repeated --discriminator 'map[string]int{"same": 1}' --source '"next": 2'
stderr 'literal selector matched 2 composites'
cmp config.go .scratch/want/config.go

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

go 1.24
-- config.go --
package routes

type Config struct { Health int }
type Point struct { X int }
var routes = map[string]int{"health": 1}
var config = Config{Health: 1}
var point = Point{1}
var repeated = []map[string]int{map[string]int{"same": 1}, map[string]int{"same": 1}}
-- .scratch/want/config.go --
package routes

type Config struct { Health int }
type Point struct { X int }
var routes = map[string]int{"health": 1}
var config = Config{Health: 1}
var point = Point{1}
var repeated = []map[string]int{map[string]int{"same": 1}, map[string]int{"same": 1}}