1 files changed, 180 insertions, 0 deletions
diff --git a/std/path/parse_format_test.ts b/std/path/parse_format_test.ts
new file mode 100644
index 000000000..6ecce7304
--- /dev/null
+++ b/std/path/parse_format_test.ts
@@ -0,0 +1,180 @@
+// Copyright the Browserify authors. MIT License.
+// Ported from https://github.com/browserify/path-browserify/
+/* eslint-disable @typescript-eslint/no-explicit-any */
+// TODO(kt3k): fix any types in this file
+
+import { test } from "../testing/mod.ts";
+import { assertEquals } from "../testing/asserts.ts";
+import * as path from "./mod.ts";
+
+const winPaths = [
+  // [path, root]
+  ["C:\\path\\dir\\index.html", "C:\\"],
+  ["C:\\another_path\\DIR\\1\\2\\33\\\\index", "C:\\"],
+  ["another_path\\DIR with spaces\\1\\2\\33\\index", ""],
+  ["\\", "\\"],
+  ["\\foo\\C:", "\\"],
+  ["file", ""],
+  ["file:stream", ""],
+  [".\\file", ""],
+  ["C:", "C:"],
+  ["C:.", "C:"],
+  ["C:..", "C:"],
+  ["C:abc", "C:"],
+  ["C:\\", "C:\\"],
+  ["C:\\abc", "C:\\"],
+  ["", ""],
+
+  // unc
+  ["\\\\server\\share\\file_path", "\\\\server\\share\\"],
+  [
+    "\\\\server two\\shared folder\\file path.zip",
+    "\\\\server two\\shared folder\\"
+  ],
+  ["\\\\teela\\admin$\\system32", "\\\\teela\\admin$\\"],
+  ["\\\\?\\UNC\\server\\share", "\\\\?\\UNC\\"]
+];
+
+const winSpecialCaseParseTests = [["/foo/bar", { root: "/" }]];
+
+const winSpecialCaseFormatTests = [
+  [{ dir: "some\\dir" }, "some\\dir\\"],
+  [{ base: "index.html" }, "index.html"],
+  [{ root: "C:\\" }, "C:\\"],
+  [{ name: "index", ext: ".html" }, "index.html"],
+  [{ dir: "some\\dir", name: "index", ext: ".html" }, "some\\dir\\index.html"],
+  [{ root: "C:\\", name: "index", ext: ".html" }, "C:\\index.html"],
+  [{}, ""]
+];
+
+const unixPaths = [
+  // [path, root]
+  ["/home/user/dir/file.txt", "/"],
+  ["/home/user/a dir/another File.zip", "/"],
+  ["/home/user/a dir//another&File.", "/"],
+  ["/home/user/a$$$dir//another File.zip", "/"],
+  ["user/dir/another File.zip", ""],
+  ["file", ""],
+  [".\\file", ""],
+  ["./file", ""],
+  ["C:\\foo", ""],
+  ["/", "/"],
+  ["", ""],
+  [".", ""],
+  ["..", ""],
+  ["/foo", "/"],
+  ["/foo.", "/"],
+  ["/foo.bar", "/"],
+  ["/.", "/"],
+  ["/.foo", "/"],
+  ["/.foo.bar", "/"],
+  ["/foo/bar.baz", "/"]
+];
+
+const unixSpecialCaseFormatTests = [
+  [{ dir: "some/dir" }, "some/dir/"],
+  [{ base: "index.html" }, "index.html"],
+  [{ root: "/" }, "/"],
+  [{ name: "index", ext: ".html" }, "index.html"],
+  [{ dir: "some/dir", name: "index", ext: ".html" }, "some/dir/index.html"],
+  [{ root: "/", name: "index", ext: ".html" }, "/index.html"],
+  [{}, ""]
+];
+
+function checkParseFormat(path: any, paths: any): void {
+  paths.forEach(function(p: Array<Record<string, unknown>>) {
+    const element = p[0];
+    const output = path.parse(element);
+    assertEquals(typeof output.root, "string");
+    assertEquals(typeof output.dir, "string");
+    assertEquals(typeof output.base, "string");
+    assertEquals(typeof output.ext, "string");
+    assertEquals(typeof output.name, "string");
+    assertEquals(path.format(output), element);
+    assertEquals(output.rooroot, undefined);
+    assertEquals(output.dir, output.dir ? path.dirname(element) : "");
+    assertEquals(output.base, path.basename(element));
+  });
+}
+
+function checkSpecialCaseParseFormat(path: any, testCases: any): void {
+  testCases.forEach(function(testCase: Array<Record<string, unknown>>) {
+    const element = testCase[0];
+    const expect = testCase[1];
+    const output = path.parse(element);
+    Object.keys(expect).forEach(function(key) {
+      assertEquals(output[key], expect[key]);
+    });
+  });
+}
+
+function checkFormat(path: any, testCases: unknown[][]): void {
+  testCases.forEach(function(testCase) {
+    assertEquals(path.format(testCase[0]), testCase[1]);
+  });
+}
+
+test(function parseWin32() {
+  checkParseFormat(path.win32, winPaths);
+  checkSpecialCaseParseFormat(path.win32, winSpecialCaseParseTests);
+});
+
+test(function parse() {
+  checkParseFormat(path.posix, unixPaths);
+});
+
+test(function formatWin32() {
+  checkFormat(path.win32, winSpecialCaseFormatTests);
+});
+
+test(function format() {
+  checkFormat(path.posix, unixSpecialCaseFormatTests);
+});
+
+// Test removal of trailing path separators
+const windowsTrailingTests = [
+  [".\\", { root: "", dir: "", base: ".", ext: "", name: "." }],
+  ["\\\\", { root: "\\", dir: "\\", base: "", ext: "", name: "" }],
+  ["\\\\", { root: "\\", dir: "\\", base: "", ext: "", name: "" }],
+  [
+    "c:\\foo\\\\\\",
+    { root: "c:\\", dir: "c:\\", base: "foo", ext: "", name: "foo" }
+  ],
+  [
+    "D:\\foo\\\\\\bar.baz",
+    {
+      root: "D:\\",
+      dir: "D:\\foo\\\\",
+      base: "bar.baz",
+      ext: ".baz",
+      name: "bar"
+    }
+  ]
+];
+
+const posixTrailingTests = [
+  ["./", { root: "", dir: "", base: ".", ext: "", name: "." }],
+  ["//", { root: "/", dir: "/", base: "", ext: "", name: "" }],
+  ["///", { root: "/", dir: "/", base: "", ext: "", name: "" }],
+  ["/foo///", { root: "/", dir: "/", base: "foo", ext: "", name: "foo" }],
+  [
+    "/foo///bar.baz",
+    { root: "/", dir: "/foo//", base: "bar.baz", ext: ".baz", name: "bar" }
+  ]
+];
+
+test(function parseTrailingWin32() {
+  windowsTrailingTests.forEach(function(p) {
+    const actual = path.win32.parse(p[0] as string);
+    const expected = p[1];
+    assertEquals(actual, expected);
+  });
+});
+
+test(function parseTrailing() {
+  posixTrailingTests.forEach(function(p) {
+    const actual = path.posix.parse(p[0] as string);
+    const expected = p[1];
+    assertEquals(actual, expected);
+  });
+});