vendor tsgo

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

@@ -0,0 +1,52 @@
+package fourslash_test
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/fourslash"
+	"github.com/microsoft/typescript-go/internal/testutil"
+)
+
+func TestChineseCharacterDisplayInHover(t *testing.T) {
+	t.Parallel()
+	defer testutil.RecoverAndFail(t, "Panic on fourslash test")
+	const content = `
+interface 中文界面 {
+    上居中: string;
+    下居中: string;
+}
+
+class 中文类 {
+    获取中文属性(): 中文界面 {
+        return {
+            上居中: "上居中",
+            下居中: "下居中"
+        };
+    }
+}
+
+let /*instanceHover*/实例 = new 中文类();
+let 属性对象 = 实例./*methodHover*/获取中文属性();`
+	f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
+	defer done()
+	f.VerifyQuickInfoAt(t, "instanceHover", "let 实例: 中文类", "")
+	f.VerifyQuickInfoAt(t, "methodHover", "(method) 中文类.获取中文属性(): 中文界面", "")
+}
+
+func TestChineseCharacterDisplayInUnionTypes(t *testing.T) {
+	t.Parallel()
+	defer testutil.RecoverAndFail(t, "Panic on fourslash test")
+	const content = `
+// Test the original issue: Chinese characters in method parameters should display correctly
+class TSLine {
+    setLengthTextPositionPreset(/*methodParam*/preset: "上居中" | "下居中" | "右居中" | "左居中"): void {}
+}
+
+let lines = new TSLine();
+lines./*method*/setLengthTextPositionPreset;`
+	f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
+	defer done()
+
+	// Verify that the method displays Chinese characters correctly in hover (this was the original problem)
+	f.VerifyQuickInfoAt(t, "method", `(method) TSLine.setLengthTextPositionPreset(preset: "上居中" | "下居中" | "右居中" | "左居中"): void`, "")
+}