80 lines
1.9 KiB
Go
80 lines
1.9 KiB
Go
package fourslash_test
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import (
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"testing"
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"efprojects.com/kitten-ipc/kitcom/internal/tsgo/fourslash"
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"efprojects.com/kitten-ipc/kitcom/internal/tsgo/testutil"
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)
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func TestThisPredicateFunctionQuickInfo(t *testing.T) {
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t.Parallel()
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defer testutil.RecoverAndFail(t, "Panic on fourslash test")
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const content = `class RoyalGuard {
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isLeader(): this is LeadGuard {
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return this instanceof LeadGuard;
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}
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isFollower(): this is FollowerGuard {
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return this instanceof FollowerGuard;
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}
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}
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class LeadGuard extends RoyalGuard {
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lead(): void {};
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}
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class FollowerGuard extends RoyalGuard {
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follow(): void {};
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}
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let a: RoyalGuard = new FollowerGuard();
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if (a.is/*1*/Leader()) {
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a./*2*/;
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}
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else if (a.is/*3*/Follower()) {
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a./*4*/;
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}
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interface GuardInterface {
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isLeader(): this is LeadGuard;
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isFollower(): this is FollowerGuard;
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}
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let b: GuardInterface;
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if (b.is/*5*/Leader()) {
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b./*6*/;
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}
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else if (b.is/*7*/Follower()) {
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b./*8*/;
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}
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if (((a.isLeader)())) {
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a./*9*/;
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}
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else if (((a).isFollower())) {
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a./*10*/;
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}
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if (((a["isLeader"])())) {
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a./*11*/;
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}
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else if (((a)["isFollower"]())) {
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a./*12*/;
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}
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let leader/*13*/Status = a.isLeader();
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function isLeaderGuard(g: RoyalGuard) {
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return g.isLeader();
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}
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let checked/*14*/LeaderStatus = isLeader/*15*/Guard(a);`
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f := fourslash.NewFourslash(t, nil /*capabilities*/, content)
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f.VerifyQuickInfoAt(t, "1", "(method) RoyalGuard.isLeader(): this is LeadGuard", "")
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f.VerifyQuickInfoAt(t, "3", "(method) RoyalGuard.isFollower(): this is FollowerGuard", "")
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f.VerifyQuickInfoAt(t, "5", "(method) GuardInterface.isLeader(): this is LeadGuard", "")
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f.VerifyQuickInfoAt(t, "7", "(method) GuardInterface.isFollower(): this is FollowerGuard", "")
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f.VerifyQuickInfoAt(t, "13", "let leaderStatus: boolean", "")
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f.VerifyQuickInfoAt(t, "14", "let checkedLeaderStatus: boolean", "")
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f.VerifyQuickInfoAt(t, "15", "function isLeaderGuard(g: RoyalGuard): g is LeadGuard", "")
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}
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