1 files changed, 41 insertions, 0 deletions
diff --git a/tests/unit/path_from_url_test.ts b/tests/unit/path_from_url_test.ts
new file mode 100644
index 000000000..b3a6406bc
--- /dev/null
+++ b/tests/unit/path_from_url_test.ts
@@ -0,0 +1,41 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+
+import { assertEquals, assertThrows } from "./test_util.ts";
+
+// @ts-expect-error TypeScript (as of 3.7) does not support indexing namespaces by symbol
+const { pathFromURL } = Deno[Deno.internal];
+
+Deno.test(
+  { ignore: Deno.build.os === "windows" },
+  function pathFromURLPosix() {
+    assertEquals(
+      pathFromURL(new URL("file:///test/directory")),
+      "/test/directory",
+    );
+    assertEquals(pathFromURL(new URL("file:///space_ .txt")), "/space_ .txt");
+    assertThrows(() => pathFromURL(new URL("https://deno.land/welcome.ts")));
+  },
+);
+
+Deno.test(
+  { ignore: Deno.build.os !== "windows" },
+  function pathFromURLWin32() {
+    assertEquals(
+      pathFromURL(new URL("file:///c:/windows/test")),
+      "c:\\windows\\test",
+    );
+    assertEquals(
+      pathFromURL(new URL("file:///c:/space_ .txt")),
+      "c:\\space_ .txt",
+    );
+    assertThrows(() => pathFromURL(new URL("https://deno.land/welcome.ts")));
+    /* TODO(ry) Add tests for these situations
+     * ampersand_&.tx                 file:///D:/weird_names/ampersand_&.txt
+     * at_@.txt                       file:///D:/weird_names/at_@.txt
+     * emoji_🙃.txt                   file:///D:/weird_names/emoji_%F0%9F%99%83.txt
+     * percent_%.txt                  file:///D:/weird_names/percent_%25.txt
+     * pound_#.txt                    file:///D:/weird_names/pound_%23.txt
+     * swapped_surrogate_pair_��.txt  file:///D:/weird_names/swapped_surrogate_pair_%EF%BF%BD%EF%BF%BD.txt
+     */
+  },
+);