vendor tsgo

tools/tsgo/internal/fourslash/tests/argumentCompletions_test.go

@@ -0,0 +1,41 @@
+package fourslash_test
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/fourslash"
+	. "github.com/microsoft/typescript-go/internal/fourslash/tests/util"
+	"github.com/microsoft/typescript-go/internal/testutil"
+)
+
+func TestArgumentCompletions(t *testing.T) {
+	t.Parallel()
+
+	defer testutil.RecoverAndFail(t, "Panic on fourslash test")
+	const content = `
+function foo(a: "a", b: "b") {}
+foo("a", /*1*/);
+
+
+const t3 = ['x', 'y', 'z'] as const;
+const x: [string, string, string, 'a' | 'b'] = [...t3, /*2*/];
+`
+	f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
+	defer done()
+	f.VerifyCompletions(t, "1", &fourslash.CompletionsExpectedList{
+		ItemDefaults: &fourslash.CompletionsExpectedItemDefaults{
+			CommitCharacters: &DefaultCommitCharacters,
+		},
+		Items: &fourslash.CompletionsExpectedItems{
+			Includes: []fourslash.CompletionsExpectedItem{`"b"`},
+		},
+	})
+	f.VerifyCompletions(t, "2", &fourslash.CompletionsExpectedList{
+		ItemDefaults: &fourslash.CompletionsExpectedItemDefaults{
+			CommitCharacters: &DefaultCommitCharacters,
+		},
+		Items: &fourslash.CompletionsExpectedItems{
+			Includes: []fourslash.CompletionsExpectedItem{`"b"`},
+		},
+	})
+}