6 files changed, 42 insertions, 9 deletions
diff --git a/tests/integration/lsp_tests.rs b/tests/integration/lsp_tests.rs
index 61b1d1bd1..9ddaebc59 100644
--- a/tests/integration/lsp_tests.rs
+++ b/tests/integration/lsp_tests.rs
@@ -2688,7 +2688,7 @@ fn lsp_hover_jsdoc_symbol_link() {
           "language": "typescript",
           "value": "function a(): void"
         },
-        "JSDoc [hello](file:///a/file.ts#L1,10) and [`b`](file:///a/file.ts#L5,7)"
+        "JSDoc [hello](file:///a/b.ts#L1,1) and [`b`](file:///a/file.ts#L5,7)"
       ],
       "range": {
         "start": { "line": 7, "character": 9 },
@@ -5050,7 +5050,7 @@ fn lsp_jsr_auto_import_completion() {
     json!({ "triggerKind": 1 }),
   );
   assert!(!list.is_incomplete);
-  assert_eq!(list.items.len(), 261);
+  assert_eq!(list.items.len(), 262);
   let item = list.items.iter().find(|i| i.label == "add").unwrap();
   assert_eq!(&item.label, "add");
   assert_eq!(
@@ -5130,7 +5130,7 @@ fn lsp_jsr_auto_import_completion_import_map() {
     json!({ "triggerKind": 1 }),
   );
   assert!(!list.is_incomplete);
-  assert_eq!(list.items.len(), 261);
+  assert_eq!(list.items.len(), 262);
   let item = list.items.iter().find(|i| i.label == "add").unwrap();
   assert_eq!(&item.label, "add");
   assert_eq!(json!(&item.label_details), json!({ "description": "add" }));
@@ -7648,7 +7648,18 @@ fn lsp_completions_npm() {
       ]
     }),
   );
-  client.read_diagnostics();
+  let diagnostics = client.read_diagnostics();
+  assert_eq!(
+    diagnostics
+      .all()
+      .iter()
+      .map(|d| d.message.as_str())
+      .collect::<Vec<_>>(),
+    vec![
+      "'chalk' is declared but its value is never read.",
+      "Identifier expected."
+    ]
+  );
 
   let list = client.get_completion_list(
     "file:///a/file.ts",
@@ -7659,9 +7670,14 @@ fn lsp_completions_npm() {
     }),
   );
   assert!(!list.is_incomplete);
-  assert_eq!(list.items.len(), 3);
-  assert!(list.items.iter().any(|i| i.label == "default"));
-  assert!(list.items.iter().any(|i| i.label == "MyClass"));
+  assert_eq!(
+    list
+      .items
+      .iter()
+      .map(|i| i.label.as_str())
+      .collect::<Vec<_>>(),
+    vec!["default", "MyClass", "named"]
+  );
 
   let res = client.write_request(
     "completionItem/resolve",
diff --git a/tests/specs/check/cjs_default_export/__test__.jsonc b/tests/specs/check/cjs_default_export/__test__.jsonc
new file mode 100644
index 000000000..852942826
--- /dev/null
+++ b/tests/specs/check/cjs_default_export/__test__.jsonc
@@ -0,0 +1,6 @@
+{
+  "base": "npm",
+  "args": "check main.ts",
+  "output": "main.out",
+  "exitCode": 1
+}
diff --git a/tests/specs/check/cjs_default_export/main.out b/tests/specs/check/cjs_default_export/main.out
new file mode 100644
index 000000000..204488273
--- /dev/null
+++ b/tests/specs/check/cjs_default_export/main.out
@@ -0,0 +1,7 @@
+Download http://localhost:4545/npm/registry/@denotest/cjs-default-export
+Download http://localhost:4545/npm/registry/@denotest/cjs-default-export/1.0.0.tgz
+Check file:///[WILDCARD]/main.ts
+error: TS2322 [ERROR]: Type 'number' is not assignable to type 'string'.
+export const Test: string = cjsDefault.default();
+             ~~~~
+    at file:///[WILDCARD]/main.ts:4:14
diff --git a/tests/specs/check/cjs_default_export/main.ts b/tests/specs/check/cjs_default_export/main.ts
new file mode 100644
index 000000000..20a78f6d3
--- /dev/null
+++ b/tests/specs/check/cjs_default_export/main.ts
@@ -0,0 +1,4 @@
+import cjsDefault from "npm:@denotest/cjs-default-export";
+
+// should error since cjsDefault.default() is a number
+export const Test: string = cjsDefault.default();
diff --git a/tests/unit/version_test.ts b/tests/unit/version_test.ts
index 4eadb7620..daed9fda6 100644
--- a/tests/unit/version_test.ts
+++ b/tests/unit/version_test.ts
@@ -6,5 +6,5 @@ Deno.test(function version() {
   const pattern = /^\d+\.\d+\.\d+/;
   assert(pattern.test(Deno.version.deno));
   assert(pattern.test(Deno.version.v8));
-  assertEquals(Deno.version.typescript, "5.3.3");
+  assertEquals(Deno.version.typescript, "5.4.3");
 });
diff --git a/tests/unit_node/punycode_test.ts b/tests/unit_node/punycode_test.ts
index f5f8c4f97..baf1b57f6 100644
--- a/tests/unit_node/punycode_test.ts
+++ b/tests/unit_node/punycode_test.ts
@@ -4,7 +4,7 @@ import * as punycode from "node:punycode";
 import { assertEquals } from "@std/assert/mod.ts";
 
 Deno.test("regression #19214", () => {
-  const input = "个��.hk";
+  const input = "个\uFFFD\uFFFD.hk";
 
   assertEquals(punycode.toASCII(input), "xn--ciq6844ba.hk");