Add URLSearchParams (#1049)

1 files changed, 114 insertions, 0 deletions

diff --git a/js/url_search_params_test.ts b/js/url_search_params_test.ts
new file mode 100644
index 000000000..46e8103d9
--- /dev/null
+++ b/js/url_search_params_test.ts
@@ -0,0 +1,114 @@
+// Copyright 2018 the Deno authors. All rights reserved. MIT license.
+import { test, assert, assertEqual } from "./test_util.ts";
+
+test(function urlSearchParamsInitString() {
+  const init = "c=4&a=2&b=3&%C3%A1=1";
+  const searchParams = new URLSearchParams(init);
+  assert(
+    init === searchParams.toString(),
+    "The init query string does not match"
+  );
+});
+
+test(function urlSearchParamsInitIterable() {
+  const init = [["a", "54"], ["b", "true"]];
+  const searchParams = new URLSearchParams(init);
+  assertEqual(searchParams.toString(), "a=54&b=true");
+});
+
+test(function urlSearchParamsInitRecord() {
+  const init = { a: "54", b: "true" };
+  const searchParams = new URLSearchParams(init);
+  assertEqual(searchParams.toString(), "a=54&b=true");
+});
+
+test(function urlSearchParamsAppendSuccess() {
+  const searchParams = new URLSearchParams();
+  searchParams.append("a", "true");
+  assertEqual(searchParams.toString(), "a=true");
+});
+
+test(function urlSearchParamsDeleteSuccess() {
+  const init = "a=54&b=true";
+  const searchParams = new URLSearchParams(init);
+  searchParams.delete("b");
+  assertEqual(searchParams.toString(), "a=54");
+});
+
+test(function urlSearchParamsGetAllSuccess() {
+  const init = "a=54&b=true&a=true";
+  const searchParams = new URLSearchParams(init);
+  assertEqual(searchParams.getAll("a"), ["54", "true"]);
+  assertEqual(searchParams.getAll("b"), ["true"]);
+  assertEqual(searchParams.getAll("c"), []);
+});
+
+test(function urlSearchParamsGetSuccess() {
+  const init = "a=54&b=true&a=true";
+  const searchParams = new URLSearchParams(init);
+  assertEqual(searchParams.get("a"), "54");
+  assertEqual(searchParams.get("b"), "true");
+  assertEqual(searchParams.get("c"), null);
+});
+
+test(function urlSearchParamsHasSuccess() {
+  const init = "a=54&b=true&a=true";
+  const searchParams = new URLSearchParams(init);
+  assert(searchParams.has("a"));
+  assert(searchParams.has("b"));
+  assert(!searchParams.has("c"));
+});
+
+test(function urlSearchParamsSetSuccess() {
+  const init = "a=54&b=true&a=true";
+  const searchParams = new URLSearchParams(init);
+  searchParams.set("a", "false");
+  assertEqual(searchParams.toString(), "b=true&a=false");
+});
+
+test(function urlSearchParamsSortSuccess() {
+  const init = "c=4&a=2&b=3&a=1";
+  const searchParams = new URLSearchParams(init);
+  searchParams.sort();
+  assertEqual(searchParams.toString(), "a=2&a=1&b=3&c=4");
+});
+
+test(function urlSearchParamsForEachSuccess() {
+  const init = [["a", "54"], ["b", "true"]];
+  const searchParams = new URLSearchParams(init);
+  let callNum = 0;
+  searchParams.forEach((value, key, parent) => {
+    assertEqual(searchParams, parent);
+    assertEqual(value, init[callNum][1]);
+    assertEqual(key, init[callNum][0]);
+    callNum++;
+  });
+  assertEqual(callNum, init.length);
+});
+
+test(function urlSearchParamsMissingName() {
+  const init = "=4";
+  const searchParams = new URLSearchParams(init);
+  assertEqual(searchParams.get(""), "4");
+  assertEqual(searchParams.toString(), "=4");
+});
+
+test(function urlSearchParamsMissingValue() {
+  const init = "4=";
+  const searchParams = new URLSearchParams(init);
+  assertEqual(searchParams.get("4"), "");
+  assertEqual(searchParams.toString(), "4=");
+});
+
+test(function urlSearchParamsMissingEqualSign() {
+  const init = "4";
+  const searchParams = new URLSearchParams(init);
+  assertEqual(searchParams.get("4"), "");
+  assertEqual(searchParams.toString(), "4=");
+});
+
+test(function urlSearchParamsMissingPair() {
+  const init = "c=4&&a=54&";
+  const searchParams = new URLSearchParams(init);
+  assertEqual(searchParams.toString(), "c=4&a=54");
+});