vendor tsgo

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

@@ -0,0 +1,88 @@
+package fourslash_test
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/fourslash"
+	"github.com/microsoft/typescript-go/internal/testutil"
+)
+
+func TestHoverOptionalMembers(t *testing.T) {
+	fourslash.SkipIfFailing(t)
+	t.Parallel()
+	defer testutil.RecoverAndFail(t, "Panic on fourslash test")
+	const content = `
+type Foo1 = {
+    x?: string;
+    f?: (x: number) => void;
+    g?: { (x: number): void; (x: string): void; }
+    h?: ((x: number) => void) & ((x: string) => void);
+    m?(x: number): void;
+    m?(x: string): void;
+}
+
+interface Foo2 {
+    x?: string;
+    f?: (x: number) => void;
+    g?: { (x: number): void; (x: string): void; }
+    h?: ((x: number) => void) & ((x: string) => void);
+    m?(x: number): void;
+    m?(x: string): void;
+}
+
+class Foo3 {
+    x?: string;
+    f?: (x: number) => void;
+    g?: { (x: number): void; (x: string): void; }
+    h?: ((x: number) => void) & ((x: string) => void);
+    m?(x: number): void;
+    m?(x: string): void;
+}
+
+declare const foo1: Foo1;
+declare const foo2: Foo2;
+declare const foo3: Foo3;
+
+foo1./*1*/x
+foo1./*1a*/f
+foo1./*1b*/f?.(42)
+foo1./*1c*/g
+foo1./*1d*/g?.(42)
+foo1./*1e*/g?.("abc")
+foo1./*1f*/h
+foo1./*1g*/h?.(42)
+foo1./*1h*/h?.("abc")
+foo1./*1i*/m
+foo1./*1j*/m?.(42)
+foo1./*1k*/m?.("abc")
+
+foo2./*2*/x
+foo2./*2a*/f
+foo2./*2b*/f?.(42)
+foo2./*2c*/g
+foo2./*2d*/g?.(42)
+foo2./*2e*/g?.("abc")
+foo2./*2f*/h
+foo2./*2g*/h?.(42)
+foo2./*2h*/h?.("abc")
+foo2./*2i*/m
+foo2./*2j*/m?.(42)
+foo2./*2k*/m?.("abc")
+
+foo3./*3*/x
+foo3./*3a*/f
+foo3./*3b*/f?.(42)
+foo3./*3c*/g
+foo3./*3d*/g?.(42)
+foo3./*3e*/g?.("abc")
+foo3./*3f*/h
+foo3./*3g*/h?.(42)
+foo3./*3h*/h?.("abc")
+foo3./*3i*/m
+foo3./*3j*/m?.(42)
+foo3./*3k*/m?.("abc")
+`
+	f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
+	defer done()
+	f.VerifyBaselineHover(t)
+}