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// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package misc
import (
"testing"
. "golang.org/x/tools/gopls/internal/lsp/regtest"
"golang.org/x/tools/gopls/internal/lsp/tests/compare"
)
// This is a slight variant of TestHoverOnError in definition_test.go
// that includes a line directive, which makes no difference since
// gopls ignores line directives.
func TestHoverFailure(t *testing.T) {
t.Skip("line directives //line ")
const mod = `
-- go.mod --
module mod.com
go 1.12
-- a.y --
DWIM(main)
-- main.go --
//line a.y:1
package main
func main() {
var err error
err.Error()
}`
Run(t, mod, func(t *testing.T, env *Env) {
env.OpenFile("main.go")
content, _ := env.Hover(env.RegexpSearch("main.go", "Error"))
if content == nil {
t.Fatalf("Hover('Error') returned nil")
}
want := "```go\nfunc (error).Error() string\n```"
if content.Value != want {
t.Fatalf("wrong Hover('Error') content:\n%s", compare.Text(want, content.Value))
}
})
}
// This test demonstrates a case where gopls is not at all confused by
// line directives, because it completely ignores them.
func TestFailingDiagnosticClearingOnEdit(t *testing.T) {
t.Skip("line directives //line ")
// badPackageDup contains a duplicate definition of the 'a' const.
// This is a minor variant of TestDiagnosticClearingOnEdit from
// diagnostics_test.go, with a line directive, which makes no difference.
const badPackageDup = `
-- go.mod --
module mod.com
go 1.12
-- a.go --
package consts
const a = 1
-- b.go --
package consts
//line gen.go:5
const a = 2
`
Run(t, badPackageDup, func(t *testing.T, env *Env) {
env.OpenFile("b.go")
env.AfterChange(
Diagnostics(env.AtRegexp("b.go", `a = 2`), WithMessage("a redeclared")),
Diagnostics(env.AtRegexp("a.go", `a = 1`), WithMessage("other declaration")),
)
// Fix the error by editing the const name in b.go to `b`.
env.RegexpReplace("b.go", "(a) = 2", "b")
env.AfterChange(
NoDiagnostics(ForFile("a.go")),
NoDiagnostics(ForFile("b.go")),
)
})
}
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