vendor tsgo

tools/tsgo/internal/fourslash/tests/gen/thisPredicateFunctionCompletions03_test.go

@@ -0,0 +1,91 @@
+// Code generated by convertFourslash; DO NOT EDIT.
+// To modify this test, run "npm run makemanual thisPredicateFunctionCompletions03"
+
+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 TestThisPredicateFunctionCompletions03(t *testing.T) {
+	fourslash.SkipIfFailing(t)
+	t.Parallel()
+	defer testutil.RecoverAndFail(t, "Panic on fourslash test")
+	const content = `class RoyalGuard {
+    isLeader(): this is LeadGuard {
+        return this instanceof LeadGuard;
+    }
+    isFollower(): this is FollowerGuard {
+        return this instanceof FollowerGuard;
+    }
+}
+
+class LeadGuard extends RoyalGuard {
+    lead(): void {};
+}
+
+class FollowerGuard extends RoyalGuard {
+    follow(): void {};
+}
+
+let a: RoyalGuard = new FollowerGuard();
+if (a.is/*1*/Leader()) {
+    a./*2*/;
+}
+else if (a.is/*3*/Follower()) {
+    a./*4*/;
+}
+
+interface GuardInterface {
+   isLeader(): this is LeadGuard;
+   isFollower(): this is FollowerGuard;
+}
+
+let b: GuardInterface;
+if (b.is/*5*/Leader()) {
+    b./*6*/;
+}
+else if (b.is/*7*/Follower()) {
+    b./*8*/;
+}
+
+let leader/*13*/Status = a.isLeader();
+function isLeaderGuard(g: RoyalGuard) {
+   return g.isLeader();
+}
+let checked/*14*/LeaderStatus = isLeader/*15*/Guard(a);`
+	f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
+	defer done()
+	f.VerifyCompletions(t, []string{"2", "6"}, &fourslash.CompletionsExpectedList{
+		IsIncomplete: false,
+		ItemDefaults: &fourslash.CompletionsExpectedItemDefaults{
+			CommitCharacters: &DefaultCommitCharacters,
+			EditRange:        Ignored,
+		},
+		Items: &fourslash.CompletionsExpectedItems{
+			Unsorted: []fourslash.CompletionsExpectedItem{
+				"lead",
+				"isLeader",
+				"isFollower",
+			},
+		},
+	})
+	f.VerifyCompletions(t, []string{"4", "8"}, &fourslash.CompletionsExpectedList{
+		IsIncomplete: false,
+		ItemDefaults: &fourslash.CompletionsExpectedItemDefaults{
+			CommitCharacters: &DefaultCommitCharacters,
+			EditRange:        Ignored,
+		},
+		Items: &fourslash.CompletionsExpectedItems{
+			Unsorted: []fourslash.CompletionsExpectedItem{
+				"follow",
+				"isLeader",
+				"isFollower",
+			},
+		},
+	})
+}