/* import-globals-from urlSearchParams_worker.js */

function testSimpleURLSearchParams() {
  var u = new URLSearchParams();
  ok(u, "URLSearchParams created");
  is(u.has("foo"), false, "URLSearchParams.has(foo)");
  is(u.get("foo"), null, "URLSearchParams.get(foo)");
  is(u.getAll("foo").length, 0, "URLSearchParams.getAll(foo)");

  u.append("foo", "bar");
  is(u.has("foo"), true, "URLSearchParams.has(foo)");
  is(u.get("foo"), "bar", "URLSearchParams.get(foo)");
  is(u.getAll("foo").length, 1, "URLSearchParams.getAll(foo)");

  u.set("foo", "bar2");
  is(u.get("foo"), "bar2", "URLSearchParams.get(foo)");
  is(u.getAll("foo").length, 1, "URLSearchParams.getAll(foo)");

  is(u + "", "foo=bar2", "stringifier");

  u.delete("foo");

  runTest();
}

function testCopyURLSearchParams() {
  var u = new URLSearchParams();
  ok(u, "URLSearchParams created");
  u.append("foo", "bar");

  var uu = new URLSearchParams(u);
  is(uu.get("foo"), "bar", "uu.get()");

  u.append("foo", "bar2");
  is(u.getAll("foo").length, 2, "u.getAll()");
  is(uu.getAll("foo").length, 1, "uu.getAll()");

  runTest();
}

function testURL() {
  var url = new URL("http://www.example.net?a=b&c=d");
  ok(url.searchParams, "URL searchParams exists!");
  ok(url.searchParams.has("a"), "URL.searchParams.has('a')");
  is(url.searchParams.get("a"), "b", "URL.searchParams.get('a')");
  ok(url.searchParams.has("c"), "URL.searchParams.has('c')");
  is(url.searchParams.get("c"), "d", "URL.searchParams.get('c')");

  url.searchParams.set("e", "f");
  ok(url.href.indexOf("e=f") != 1, "URL right");

  url = new URL("mailto:a@b.com?subject=Hi");
  ok(url.searchParams, "URL searchParams exists!");
  ok(url.searchParams.has("subject"), "Hi");

  runTest();
}

function testParserURLSearchParams() {
  var checks = [
    { input: "", data: {} },
    { input: "a", data: { a: [""] } },
    { input: "a=b", data: { a: ["b"] } },
    { input: "a=", data: { a: [""] } },
    { input: "=b", data: { "": ["b"] } },
    { input: "&", data: {} },
    { input: "&a", data: { a: [""] } },
    { input: "a&", data: { a: [""] } },
    { input: "a&a", data: { a: ["", ""] } },
    { input: "a&b&c", data: { a: [""], b: [""], c: [""] } },
    { input: "a=b&c=d", data: { a: ["b"], c: ["d"] } },
    { input: "a=b&c=d&", data: { a: ["b"], c: ["d"] } },
    { input: "&&&a=b&&&&c=d&", data: { a: ["b"], c: ["d"] } },
    { input: "a=a&a=b&a=c", data: { a: ["a", "b", "c"] } },
    { input: "a==a", data: { a: ["=a"] } },
    { input: "a=a+b+c+d", data: { a: ["a b c d"] } },
    { input: "%=a", data: { "%": ["a"] } },
    { input: "%a=a", data: { "%a": ["a"] } },
    { input: "%a_=a", data: { "%a_": ["a"] } },
    { input: "%61=a", data: { a: ["a"] } },
    { input: "%=a", data: { "%": ["a"] } },
    { input: "%a=a", data: { "%a": ["a"] } },
    { input: "%a_=a", data: { "%a_": ["a"] } },
    { input: "%61=a", data: { a: ["a"] } },
    { input: "%61+%4d%4D=", data: { "a MM": [""] } },
    { input: "?a=1", data: { a: ["1"] } },
    { input: "?", data: {} },
    { input: "?=b", data: { "": ["b"] } },
  ];

  for (var i = 0; i < checks.length; ++i) {
    var u = new URLSearchParams(checks[i].input);

    var count = 0;
    for (var key in checks[i].data) {
      count = count + 1;
      ok(u.has(key), "key " + key + " found");

      var all = u.getAll(key);
      is(all.length, checks[i].data[key].length, "same number of elements");

      for (var k = 0; k < all.length; ++k) {
        is(all[k], checks[i].data[key][k], "value matches");
      }
    }
  }

  runTest();
}

function testEncoding() {
  var encoding = [
    ["1", "1"],
    ["a b", "a+b"],
    ["<>", "%3C%3E"],
    ["\u0541", "%D5%81"],
  ];

  for (var i = 0; i < encoding.length; ++i) {
    var url = new URL("http://www.example.net");
    url.searchParams.set("a", encoding[i][0]);
    is(url.href, "http://www.example.net/?a=" + encoding[i][1]);

    var url2 = new URL(url.href);
    is(url2.searchParams.get("a"), encoding[i][0], "a is still there");
  }

  runTest();
}

function testCopyConstructor() {
  var url = new URL("http://example.com/");
  var p = url.searchParams;
  var q = new URLSearchParams(p);
  q.set("a", "b");
  is(
    url.href,
    "http://example.com/",
    "Messing with copy of URLSearchParams should not affect URL"
  );
  p.set("c", "d");
  is(
    url.href,
    "http://example.com/?c=d",
    "Messing with URLSearchParams should affect URL"
  );

  runTest();
}

function testOrdering() {
  var a = new URLSearchParams("a=1&a=2&b=3&c=4&c=5&a=6");
  is(a.toString(), "a=1&a=2&b=3&c=4&c=5&a=6", "Order is correct");
  is(a.getAll("a").length, 3, "Correct length of getAll()");

  var b = new URLSearchParams();
  b.append("a", "1");
  b.append("b", "2");
  b.append("a", "3");
  is(b.toString(), "a=1&b=2&a=3", "Order is correct");
  is(b.getAll("a").length, 2, "Correct length of getAll()");

  runTest();
}

function testDelete() {
  var a = new URLSearchParams("a=1&a=2&b=3&c=4&c=5&a=6");
  is(a.toString(), "a=1&a=2&b=3&c=4&c=5&a=6", "Order is correct");
  is(a.getAll("a").length, 3, "Correct length of getAll()");

  a.delete("a");
  is(a.getAll("a").length, 0, "Correct length of getAll()");
  is(a.toString(), "b=3&c=4&c=5", "Order is correct");

  runTest();
}

function testGetNULL() {
  var u = new URLSearchParams();
  is(typeof u.get(""), "object", "typeof URL.searchParams.get('')");
  is(u.get(""), null, "URL.searchParams.get('') should be null");

  var url = new URL("http://www.example.net?a=b");
  is(
    url.searchParams.get("b"),
    null,
    "URL.searchParams.get('b') should be null"
  );
  is(url.searchParams.get("a"), "b", "URL.searchParams.get('a')");

  runTest();
}

function testSet() {
  var u = new URLSearchParams();
  u.set("a", "b");
  u.set("e", "c");
  u.set("i", "d");
  u.set("o", "f");
  u.set("u", "g");

  is(u.get("a"), "b", "URL.searchParams.get('a') should return b");
  is(u.getAll("a").length, 1, "URLSearchParams.getAll('a').length should be 1");

  u.set("a", "h1");
  u.set("a", "h2");
  u.set("a", "h3");
  u.set("a", "h4");
  is(u.get("a"), "h4", "URL.searchParams.get('a') should return h4");
  is(u.getAll("a").length, 1, "URLSearchParams.getAll('a').length should be 1");

  is(u.get("e"), "c", "URL.searchParams.get('e') should return c");
  is(u.get("i"), "d", "URL.searchParams.get('i') should return d");
  is(u.get("o"), "f", "URL.searchParams.get('o') should return f");
  is(u.get("u"), "g", "URL.searchParams.get('u') should return g");

  is(u.getAll("e").length, 1, "URLSearchParams.getAll('e').length should be 1");
  is(u.getAll("i").length, 1, "URLSearchParams.getAll('i').length should be 1");
  is(u.getAll("o").length, 1, "URLSearchParams.getAll('o').length should be 1");
  is(u.getAll("u").length, 1, "URLSearchParams.getAll('u').length should be 1");

  u = new URLSearchParams("name1=value1&name1=value2&name1=value3");
  is(
    u.get("name1"),
    "value1",
    "URL.searchParams.get('name1') should return value1"
  );
  is(
    u.getAll("name1").length,
    3,
    "URLSearchParams.getAll('name1').length should be 3"
  );
  u.set("name1", "firstPair");
  is(
    u.get("name1"),
    "firstPair",
    "URL.searchParams.get('name1') should return firstPair"
  );
  is(
    u.getAll("name1").length,
    1,
    "URLSearchParams.getAll('name1').length should be 1"
  );

  runTest();
}

function testIterable() {
  var u = new URLSearchParams();
  u.set("1", "2");
  u.set("2", "4");
  u.set("3", "6");
  u.set("4", "8");
  u.set("5", "10");

  var key_iter = u.keys();
  var value_iter = u.values();
  var entries_iter = u.entries();
  for (var i = 0; i < 5; ++i) {
    var v = i + 1;
    var key = key_iter.next();
    var value = value_iter.next();
    var entry = entries_iter.next();
    is(key.value, v.toString(), "Correct Key iterator: " + v.toString());
    ok(!key.done, "Key.done is false");
    is(
      value.value,
      (v * 2).toString(),
      "Correct Value iterator: " + (v * 2).toString()
    );
    ok(!value.done, "Value.done is false");
    is(
      entry.value[0],
      v.toString(),
      "Correct Entry 0 iterator: " + v.toString()
    );
    is(
      entry.value[1],
      (v * 2).toString(),
      "Correct Entry 1 iterator: " + (v * 2).toString()
    );
    ok(!entry.done, "Entry.done is false");
  }

  var last = key_iter.next();
  ok(last.done, "Nothing more to read.");
  is(last.value, undefined, "Undefined is the last key");

  last = value_iter.next();
  ok(last.done, "Nothing more to read.");
  is(last.value, undefined, "Undefined is the last value");

  last = entries_iter.next();
  ok(last.done, "Nothing more to read.");

  key_iter = u.keys();
  key_iter.next();
  key_iter.next();
  u.delete("1");
  u.delete("2");
  u.delete("3");
  u.delete("4");
  u.delete("5");

  last = key_iter.next();
  ok(last.done, "Nothing more to read.");
  is(last.value, undefined, "Undefined is the last key");

  runTest();
}
function testZeroHandling() {
  var u = new URLSearchParams();
  u.set("a", "b\0c");
  u.set("d\0e", "f");
  u.set("g\0h", "i\0j");
  is(
    u.toString(),
    "a=b%00c&d%00e=f&g%00h=i%00j",
    "Should encode U+0000 as %00"
  );

  runTest();
}

function testCTORs() {
  var a = new URLSearchParams("a=b");
  is(a.get("a"), "b", "CTOR with string");

  var b = new URLSearchParams([
    ["a", "b"],
    ["c", "d"],
  ]);
  is(b.get("a"), "b", "CTOR with sequence");
  is(b.get("c"), "d", "CTOR with sequence");

  ok(new URLSearchParams([]), "CTOR with empty sequence");

  let result;
  try {
    result = new URLSearchParams([[1]]);
  } catch (e) {
    result = 42;
  }

  is(
    result,
    42,
    "CTOR throws if the sequence doesn't contain exactly 2 elements"
  );

  try {
    result = new URLSearchParams([[1, 2, 3]]);
  } catch (e) {
    result = 43;
  }
  is(
    result,
    43,
    "CTOR throws if the sequence doesn't contain exactly 2 elements"
  );

  var c = new URLSearchParams({
    a: "b",
    c: 42,
    d: null,
    e: [1, 2, 3],
    f: { a: 42 },
  });
  is(c.get("a"), "b", "CTOR with record<>");
  is(c.get("c"), "42", "CTOR with record<>");
  is(c.get("d"), "null", "CTOR with record<>");
  is(c.get("e"), [1, 2, 3].toString(), "CTOR with record<>");
  is(c.get("f"), { a: 42 }.toString(), "CTOR with record<>");

  runTest();
}