Files
kjol/tools/tsgo/internal/fourslash/tests/signatureHelpNestedCallTrailingComma_test.go
2026-07-09 16:50:43 -04:00

29 lines
950 B
Go

package fourslash_test
import (
"testing"
"github.com/microsoft/typescript-go/internal/fourslash"
"github.com/microsoft/typescript-go/internal/lsp/lsproto"
"github.com/microsoft/typescript-go/internal/testutil"
)
func TestSignatureHelpNestedCallTrailingComma(t *testing.T) {
t.Parallel()
defer testutil.RecoverAndFail(t, "Panic on fourslash test")
// Regression test for crash when requesting signature help on a call target
// where the nested call has a trailing comma.
// Both outer and inner calls must have trailing commas, and outer must be generic.
const content = `declare function outer<T>(range: T): T;
declare function inner(a: any): any;
outer(inner/*1*/(undefined,),);`
f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
defer done()
f.GoToMarker(t, "1")
f.VerifySignatureHelpPresent(t, &lsproto.SignatureHelpContext{
IsRetrigger: false,
TriggerKind: lsproto.SignatureHelpTriggerKindInvoked,
})
}