1 files changed, 74 insertions, 0 deletions
diff --git a/tests/napi/coerce_test.js b/tests/napi/coerce_test.js
new file mode 100644
index 000000000..64f014801
--- /dev/null
+++ b/tests/napi/coerce_test.js
@@ -0,0 +1,74 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+
+import { assertEquals, loadTestLibrary } from "./common.js";
+
+const coerce = loadTestLibrary();
+
+Deno.test("napi coerce bool", function () {
+  assertEquals(coerce.test_coerce_bool(true), true);
+  assertEquals(coerce.test_coerce_bool(false), false);
+  assertEquals(coerce.test_coerce_bool(0), false);
+  assertEquals(coerce.test_coerce_bool(69), true);
+  assertEquals(coerce.test_coerce_bool(Number.MAX_SAFE_INTEGER), true);
+  assertEquals(coerce.test_coerce_bool(new Array(10)), true);
+  assertEquals(coerce.test_coerce_bool("Hello, Deno!"), true);
+  assertEquals(coerce.test_coerce_bool(Symbol("[[test]]")), true);
+  assertEquals(coerce.test_coerce_bool({}), true);
+  assertEquals(coerce.test_coerce_bool(() => false), true);
+  assertEquals(coerce.test_coerce_bool(undefined), false);
+  assertEquals(coerce.test_coerce_bool(null), false);
+});
+
+Deno.test("napi coerce number", function () {
+  assertEquals(coerce.test_coerce_number(true), 1);
+  assertEquals(coerce.test_coerce_number(false), 0);
+  assertEquals(coerce.test_coerce_number(0), 0);
+  assertEquals(coerce.test_coerce_number(69), 69);
+  assertEquals(coerce.test_coerce_number(""), 0);
+  assertEquals(
+    coerce.test_coerce_number(Number.MAX_SAFE_INTEGER),
+    Number.MAX_SAFE_INTEGER,
+  );
+  assertEquals(coerce.test_coerce_number(new Array(10)), NaN);
+  assertEquals(coerce.test_coerce_number("Hello, Deno!"), NaN);
+  assertEquals(coerce.test_coerce_number({}), NaN);
+  assertEquals(coerce.test_coerce_number(() => false), NaN);
+  assertEquals(coerce.test_coerce_number(undefined), NaN);
+  assertEquals(coerce.test_coerce_number(null), 0);
+});
+
+Deno.test("napi coerce string", function () {
+  assertEquals(coerce.test_coerce_string(true), "true");
+  assertEquals(coerce.test_coerce_string(false), "false");
+  assertEquals(coerce.test_coerce_string(0), "0");
+  assertEquals(coerce.test_coerce_string(69), "69");
+  assertEquals(coerce.test_coerce_string(""), "");
+  assertEquals(
+    coerce.test_coerce_string(Number.MAX_SAFE_INTEGER),
+    "9007199254740991",
+  );
+  assertEquals(coerce.test_coerce_string(new Array(10)), ",,,,,,,,,");
+  assertEquals(coerce.test_coerce_string("Hello, Deno!"), "Hello, Deno!");
+  assertEquals(coerce.test_coerce_string({}), "[object Object]");
+  assertEquals(coerce.test_coerce_string(() => false), "() => false");
+  assertEquals(coerce.test_coerce_string(undefined), "undefined");
+  assertEquals(coerce.test_coerce_string(null), "null");
+});
+
+Deno.test("napi coerce object", function () {
+  assertEquals(coerce.test_coerce_object(true), new Boolean(true));
+  assertEquals(coerce.test_coerce_object(false), new Boolean(false));
+  assertEquals(coerce.test_coerce_object(0), new Number(0));
+  assertEquals(coerce.test_coerce_object(69), new Number(0));
+  assertEquals(coerce.test_coerce_object(""), new String(""));
+  assertEquals(
+    coerce.test_coerce_object(Number.MAX_SAFE_INTEGER),
+    new Number(Number.MAX_SAFE_INTEGER),
+  );
+  assertEquals(coerce.test_coerce_object(new Array(10)), new Array(10));
+  assertEquals(
+    coerce.test_coerce_object("Hello, Deno!"),
+    new String("Hello, Deno!"),
+  );
+  assertEquals(coerce.test_coerce_object({}), {});
+});