url: add urlSearchParams.sort()

PR-URL: https://github.com/nodejs/node/pull/11098
Fixes: https://github.com/nodejs/node/issues/10760
Ref: https://github.com/whatwg/url/issues/26
Ref: https://github.com/whatwg/url/pull/199
Ref: https://github.com/w3c/web-platform-tests/pull/4531
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>

1 files changed, 84 insertions, 0 deletions

diff --git a/test/parallel/test-whatwg-url-searchparams-sort.js b/test/parallel/test-whatwg-url-searchparams-sort.js
new file mode 100644
index 0000000000..0fcc01335a
--- /dev/null
+++ b/test/parallel/test-whatwg-url-searchparams-sort.js
@@ -0,0 +1,84 @@
+'use strict';
+
+const common = require('../common');
+const { URL, URLSearchParams } = require('url');
+const { test, assert_array_equals } = common.WPT;
+
+/* eslint-disable */
+/* WPT Refs:
+   https://github.com/w3c/web-platform-tests/blob/5903e00e77e85f8bcb21c73d1d7819fcd04763bd/url/urlsearchparams-sort.html
+   License: http://www.w3.org/Consortium/Legal/2008/04-testsuite-copyright.html
+*/
+[
+  {
+    "input": "z=b&a=b&z=a&a=a",
+    "output": [["a", "b"], ["a", "a"], ["z", "b"], ["z", "a"]]
+  },
+  {
+    "input": "\uFFFD=x&\uFFFC&\uFFFD=a",
+    "output": [["\uFFFC", ""], ["\uFFFD", "x"], ["\uFFFD", "a"]]
+  },
+  {
+    "input": "ffi&🌈", // 🌈 > code point, but < code unit because two code units
+    "output": [["🌈", ""], ["ffi", ""]]
+  },
+  {
+    "input": "é&e\uFFFD&e\u0301",
+    "output": [["e\u0301", ""], ["e\uFFFD", ""], ["é", ""]]
+  },
+  {
+    "input": "z=z&a=a&z=y&a=b&z=x&a=c&z=w&a=d&z=v&a=e&z=u&a=f&z=t&a=g",
+    "output": [["a", "a"], ["a", "b"], ["a", "c"], ["a", "d"], ["a", "e"], ["a", "f"], ["a", "g"], ["z", "z"], ["z", "y"], ["z", "x"], ["z", "w"], ["z", "v"], ["z", "u"], ["z", "t"]]
+  }
+].forEach((val) => {
+  test(() => {
+    let params = new URLSearchParams(val.input),
+        i = 0
+    params.sort()
+    for(let param of params) {
+      assert_array_equals(param, val.output[i])
+      i++
+    }
+  }, "Parse and sort: " + val.input)
+
+  test(() => {
+    let url = new URL("?" + val.input, "https://example/")
+    url.searchParams.sort()
+    let params = new URLSearchParams(url.search),
+        i = 0
+    for(let param of params) {
+      assert_array_equals(param, val.output[i])
+      i++
+    }
+  }, "URL parse and sort: " + val.input)
+})
+/* eslint-enable */
+
+// Tests below are not from WPT.
+;[
+  {
+    'input': 'z=a&=b&c=d',
+    'output': [['', 'b'], ['c', 'd'], ['z', 'a']]
+  }
+].forEach((val) => {
+  test(() => {
+    const params = new URLSearchParams(val.input);
+    let i = 0;
+    params.sort();
+    for (const param of params) {
+      assert_array_equals(param, val.output[i]);
+      i++;
+    }
+  }, 'Parse and sort: ' + val.input);
+
+  test(() => {
+    const url = new URL(`?${val.input}`, 'https://example/');
+    url.searchParams.sort();
+    const params = new URLSearchParams(url.search);
+    let i = 0;
+    for (const param of params) {
+      assert_array_equals(param, val.output[i]);
+      i++;
+    }
+  }, 'URL parse and sort: ' + val.input);
+});