1 files changed, 76 insertions, 0 deletions
diff --git a/std/fs/path/basename_test.ts b/std/fs/path/basename_test.ts
new file mode 100644
index 000000000..f7770d1ca
--- /dev/null
+++ b/std/fs/path/basename_test.ts
@@ -0,0 +1,76 @@
+// Copyright the Browserify authors. MIT License.
+// Ported from https://github.com/browserify/path-browserify/
+
+import { test } from "../../testing/mod.ts";
+import { assertEquals } from "../../testing/asserts.ts";
+import * as path from "./mod.ts";
+
+test(function basename() {
+  assertEquals(path.basename(".js", ".js"), "");
+  assertEquals(path.basename(""), "");
+  assertEquals(path.basename("/dir/basename.ext"), "basename.ext");
+  assertEquals(path.basename("/basename.ext"), "basename.ext");
+  assertEquals(path.basename("basename.ext"), "basename.ext");
+  assertEquals(path.basename("basename.ext/"), "basename.ext");
+  assertEquals(path.basename("basename.ext//"), "basename.ext");
+  assertEquals(path.basename("aaa/bbb", "/bbb"), "bbb");
+  assertEquals(path.basename("aaa/bbb", "a/bbb"), "bbb");
+  assertEquals(path.basename("aaa/bbb", "bbb"), "bbb");
+  assertEquals(path.basename("aaa/bbb//", "bbb"), "bbb");
+  assertEquals(path.basename("aaa/bbb", "bb"), "b");
+  assertEquals(path.basename("aaa/bbb", "b"), "bb");
+  assertEquals(path.basename("/aaa/bbb", "/bbb"), "bbb");
+  assertEquals(path.basename("/aaa/bbb", "a/bbb"), "bbb");
+  assertEquals(path.basename("/aaa/bbb", "bbb"), "bbb");
+  assertEquals(path.basename("/aaa/bbb//", "bbb"), "bbb");
+  assertEquals(path.basename("/aaa/bbb", "bb"), "b");
+  assertEquals(path.basename("/aaa/bbb", "b"), "bb");
+  assertEquals(path.basename("/aaa/bbb"), "bbb");
+  assertEquals(path.basename("/aaa/"), "aaa");
+  assertEquals(path.basename("/aaa/b"), "b");
+  assertEquals(path.basename("/a/b"), "b");
+  assertEquals(path.basename("//a"), "a");
+
+  // On unix a backslash is just treated as any other character.
+  assertEquals(
+    path.posix.basename("\\dir\\basename.ext"),
+    "\\dir\\basename.ext"
+  );
+  assertEquals(path.posix.basename("\\basename.ext"), "\\basename.ext");
+  assertEquals(path.posix.basename("basename.ext"), "basename.ext");
+  assertEquals(path.posix.basename("basename.ext\\"), "basename.ext\\");
+  assertEquals(path.posix.basename("basename.ext\\\\"), "basename.ext\\\\");
+  assertEquals(path.posix.basename("foo"), "foo");
+
+  // POSIX filenames may include control characters
+  const controlCharFilename = "Icon" + String.fromCharCode(13);
+  assertEquals(
+    path.posix.basename("/a/b/" + controlCharFilename),
+    controlCharFilename
+  );
+});
+
+test(function basenameWin32() {
+  assertEquals(path.win32.basename("\\dir\\basename.ext"), "basename.ext");
+  assertEquals(path.win32.basename("\\basename.ext"), "basename.ext");
+  assertEquals(path.win32.basename("basename.ext"), "basename.ext");
+  assertEquals(path.win32.basename("basename.ext\\"), "basename.ext");
+  assertEquals(path.win32.basename("basename.ext\\\\"), "basename.ext");
+  assertEquals(path.win32.basename("foo"), "foo");
+  assertEquals(path.win32.basename("aaa\\bbb", "\\bbb"), "bbb");
+  assertEquals(path.win32.basename("aaa\\bbb", "a\\bbb"), "bbb");
+  assertEquals(path.win32.basename("aaa\\bbb", "bbb"), "bbb");
+  assertEquals(path.win32.basename("aaa\\bbb\\\\\\\\", "bbb"), "bbb");
+  assertEquals(path.win32.basename("aaa\\bbb", "bb"), "b");
+  assertEquals(path.win32.basename("aaa\\bbb", "b"), "bb");
+  assertEquals(path.win32.basename("C:"), "");
+  assertEquals(path.win32.basename("C:."), ".");
+  assertEquals(path.win32.basename("C:\\"), "");
+  assertEquals(path.win32.basename("C:\\dir\\base.ext"), "base.ext");
+  assertEquals(path.win32.basename("C:\\basename.ext"), "basename.ext");
+  assertEquals(path.win32.basename("C:basename.ext"), "basename.ext");
+  assertEquals(path.win32.basename("C:basename.ext\\"), "basename.ext");
+  assertEquals(path.win32.basename("C:basename.ext\\\\"), "basename.ext");
+  assertEquals(path.win32.basename("C:foo"), "foo");
+  assertEquals(path.win32.basename("file:stream"), "file:stream");
+});