vendor tsgo

tools/tsgo/internal/fourslash/tests/gen/thisPredicateFunctionQuickInfo01_test.go

@@ -0,0 +1,66 @@
+// Code generated by convertFourslash; DO NOT EDIT.
+// To modify this test, run "npm run makemanual thisPredicateFunctionQuickInfo01"
+
+package fourslash_test
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/fourslash"
+	"github.com/microsoft/typescript-go/internal/testutil"
+)
+
+func TestThisPredicateFunctionQuickInfo01(t *testing.T) {
+	fourslash.SkipIfFailing(t)
+	t.Parallel()
+	defer testutil.RecoverAndFail(t, "Panic on fourslash test")
+	const content = `class FileSystemObject {
+    /*1*/isFile(): this is Item {
+        return this instanceof Item;
+    }
+    /*2*/isDirectory(): this is Directory {
+        return this instanceof Directory;
+    }
+    /*3*/isNetworked(): this is (Networked & this) {
+       return !!(this as Networked).host;
+    }
+    constructor(public path: string) {}
+}
+
+class Item extends FileSystemObject {
+    constructor(path: string, public content: string) { super(path); }
+}
+class Directory extends FileSystemObject {
+    children: FileSystemObject[];
+}
+interface Networked {
+    host: string;
+}
+
+const obj: FileSystemObject = new Item("/foo", "");
+if (obj.isFile/*4*/()) {
+    obj.;
+    if (obj.isNetworked/*5*/()) {
+        obj.;
+    }
+}
+if (obj.isDirectory/*6*/()) {
+    obj.;
+    if (obj.isNetworked/*7*/()) {
+        obj.;
+    }
+}
+if (obj.isNetworked/*8*/()) {
+    obj.;
+}`
+	f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
+	defer done()
+	f.VerifyQuickInfoAt(t, "1", "(method) FileSystemObject.isFile(): this is Item", "")
+	f.VerifyQuickInfoAt(t, "2", "(method) FileSystemObject.isDirectory(): this is Directory", "")
+	f.VerifyQuickInfoAt(t, "3", "(method) FileSystemObject.isNetworked(): this is (Networked & this)", "")
+	f.VerifyQuickInfoAt(t, "4", "(method) FileSystemObject.isFile(): this is Item", "")
+	f.VerifyQuickInfoAt(t, "5", "(method) FileSystemObject.isNetworked(): this is (Networked & Item)", "")
+	f.VerifyQuickInfoAt(t, "6", "(method) FileSystemObject.isDirectory(): this is Directory", "")
+	f.VerifyQuickInfoAt(t, "7", "(method) FileSystemObject.isNetworked(): this is (Networked & Directory)", "")
+	f.VerifyQuickInfoAt(t, "8", "(method) FileSystemObject.isNetworked(): this is (Networked & FileSystemObject)", "")
+}