fix(std/testing): assertThrows inheritance (#6623)

1 files changed, 22 insertions, 2 deletions

diff --git a/std/testing/asserts_test.ts b/std/testing/asserts_test.ts
index c7fa5a737..c3059ebac 100644
--- a/std/testing/asserts_test.ts
+++ b/std/testing/asserts_test.ts
@@ -275,12 +275,12 @@ Deno.test("testingAssertFailWithWrongErrorClass", function (): void {
         (): void => {
           fail("foo");
         },
-        Error,
+        TypeError,
         "Failed assertion: foo"
       );
     },
     AssertionError,
-    `Expected error to be instance of "Error", but was "AssertionError"`
+    `Expected error to be instance of "TypeError", but was "AssertionError"`
   );
 });
 
@@ -626,3 +626,23 @@ Deno.test("assert diff formatting", () => {
 ]`
   );
 });
+
+Deno.test("Assert Throws Parent Error", () => {
+  assertThrows(
+    () => {
+      throw new AssertionError("Fail!");
+    },
+    Error,
+    "Fail!"
+  );
+});
+
+Deno.test("Assert Throws Async Parent Error", () => {
+  assertThrowsAsync(
+    () => {
+      throw new AssertionError("Fail!");
+    },
+    Error,
+    "Fail!"
+  );
+});