1 files changed, 32 insertions, 0 deletions
diff --git a/std/_util/assert_test.ts b/std/_util/assert_test.ts
new file mode 100644
index 000000000..38aeae91b
--- /dev/null
+++ b/std/_util/assert_test.ts
@@ -0,0 +1,32 @@
+import { assert, DenoStdInternalError } from "./assert.ts";
+import { assertThrows } from "../testing/asserts.ts";
+
+const { test } = Deno;
+
+test({
+  name: "assert valid scenario",
+  fn(): void {
+    assert(true);
+  },
+});
+
+test({
+  name: "assert invalid scenario, no message",
+  fn(): void {
+    assertThrows(() => {
+      assert(false);
+    }, DenoStdInternalError);
+  },
+});
+test({
+  name: "assert invalid scenario, with message",
+  fn(): void {
+    assertThrows(
+      () => {
+        assert(false, "Oops! Should be true");
+      },
+      DenoStdInternalError,
+      "Oops! Should be true"
+    );
+  },
+});