/**
 * Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/publicdomain/zero/1.0/
 */

var testGenerator = testSteps();

function testSteps()
{
  const dbname = this.window ? window.location.pathname : "Splendid Test";
  const RW = "readwrite"
  let c1 = 1;
  let c2 = 1;

  let openRequest = indexedDB.open(dbname, 1);
  openRequest.onerror = errorHandler;
  openRequest.onupgradeneeded = grabEventAndContinueHandler;
  openRequest.onsuccess = unexpectedSuccessHandler;
  let event = yield;
  let db = event.target.result;
  let trans = event.target.transaction;

  // Create test stores
  let store = db.createObjectStore("store");

    // Test simple inserts
  var keys = [
    -1/0,
    -1.7e308,
    -10000,
    -2,
    -1.5,
    -1,
    -1.00001e-200,
    -1e-200,
    0,
    1e-200,
    1.00001e-200,
    1,
    2,
    10000,
    1.7e308,
    1/0,
    new Date("1750-01-02"),
    new Date("1800-12-31T12:34:56.001"),
    new Date(-1000),
    new Date(-10),
    new Date(-1),
    new Date(0),
    new Date(1),
    new Date(2),
    new Date(1000),
    new Date("1971-01-01"),
    new Date("1971-01-01T01:01:01Z"),
    new Date("1971-01-01T01:01:01.001Z"),
    new Date("1971-01-01T01:01:01.01Z"),
    new Date("1971-01-01T01:01:01.1Z"),
    new Date("1980-02-02"),
    new Date("3333-03-19T03:33:33.333"),
    "",
    "\x00",
    "\x00\x00",
    "\x00\x01",
    "\x01",
    "\x02",
    "\x03",
    "\x04",
    "\x07",
    "\x08",
    "\x0F",
    "\x10",
    "\x1F",
    "\x20",
    "01234",
    "\x3F",
    "\x40",
    "A",
    "A\x00",
    "A1",
    "ZZZZ",
    "a",
    "a\x00",
    "aa",
    "azz",
    "}",
    "\x7E",
    "\x7F",
    "\x80",
    "\xFF",
    "\u0100",
    "\u01FF",
    "\u0200",
    "\u03FF",
    "\u0400",
    "\u07FF",
    "\u0800",
    "\u0FFF",
    "\u1000",
    "\u1FFF",
    "\u2000",
    "\u3FFF",
    "\u4000",
    "\u7FFF",
    "\u8000",
    "\uD800",
    "\uD800a",
    "\uD800\uDC01",
    "\uDBFF",
    "\uDC00",
    "\uDFFF\uD800",
    "\uFFFE",
    "\uFFFF",
     "\uFFFF\x00",
    "\uFFFFZZZ",
    [],
    [-1/0],
    [-1],
    [0],
    [1],
    [1, "a"],
    [1, []],
    [1, [""]],
    [2, 3],
    [2, 3.0000000000001],
    [12, [[]]],
    [12, [[[]]]],
    [12, [[[""]]]],
    [12, [[["foo"]]]],
    [12, [[[[[3]]]]]],
    [12, [[[[[[3]]]]]]],
    [new Date(-1)],
    [new Date(1)],
    [""],
    ["", [[]]],
    ["", [[[]]]],
    ["abc"],
    ["abc", "def"],
    ["abc\x00"],
    ["abc\x00", "\x00\x01"],
    ["abc\x00", "\x00def"],
    ["abc\x00\x00def"],
    ["x", [[]]],
    ["x", [[[]]]],
    [[]],
    [[],"foo"],
    [[],[]],
    [[[]]],
    [[[]], []],
    [[[]], [[]]],
    [[[]], [[1]]],
    [[[]], [[[]]]],
    [[[1]]],
    [[[[]], []]],
    ];

  for (var i = 0; i < keys.length; ++i) {
    let keyI = keys[i];
    is(indexedDB.cmp(keyI, keyI), 0, i + " compared to self");

    function doCompare(keyI) {
      for (var j = i-1; j >= i-10 && j >= 0; --j) {
        is(indexedDB.cmp(keyI, keys[j]), 1, i + " compared to " + j);
        is(indexedDB.cmp(keys[j], keyI), -1, j + " compared to " + i);
      }
    }
    
    doCompare(keyI);
    store.add(i, keyI).onsuccess = function(e) {
      is(indexedDB.cmp(e.target.result, keyI), 0,
         "Returned key should cmp as equal");
      ok(compareKeys(e.target.result, keyI),
         "Returned key should actually be equal");
    };
    
    // Test that -0 compares the same as 0
    if (keyI === 0) {
      doCompare(-0);
      let req = store.add(i, -0);
      req.addEventListener("error", new ExpectError("ConstraintError", true));
      req.onsuccess = unexpectedSuccessHandler;
      yield;
    }
    else if (Array.isArray(keyI) && keyI.length === 1 && keyI[0] === 0) {
      doCompare([-0]);
      let req = store.add(i, [-0]);
      req.addEventListener("error", new ExpectError("ConstraintError", true));
      req.onsuccess = unexpectedSuccessHandler;
      yield;
    }
  }

  store.openCursor().onsuccess = grabEventAndContinueHandler;
  for (i = 0; i < keys.length; ++i) {
    event = yield;
    let cursor = event.target.result;
    is(indexedDB.cmp(cursor.key, keys[i]), 0,
       "Read back key should cmp as equal");
    ok(compareKeys(cursor.key, keys[i]),
       "Read back key should actually be equal");
    is(cursor.value, i, "Stored with right value");

    cursor.continue();
  }
  event = yield;
  is(event.target.result, undefined, "no more results expected");

  var nan = 0/0;
  var invalidKeys = [
    nan,
    undefined,
    null,
    /x/,
    {},
    new Date(NaN),
    new Date("foopy"),
    [nan],
    [undefined],
    [null],
    [/x/],
    [{}],
    [new Date(NaN)],
    [1, nan],
    [1, undefined],
    [1, null],
    [1, /x/],
    [1, {}],
    [1, [nan]],
    [1, [undefined]],
    [1, [null]],
    [1, [/x/]],
    [1, [{}]],
    ];
  
  for (i = 0; i < invalidKeys.length; ++i) {
    try {
      indexedDB.cmp(invalidKeys[i], 1);
      ok(false, "didn't throw");
    }
    catch(ex) {
      ok(ex instanceof DOMException, "Threw DOMException");
      is(ex.name, "DataError", "Threw right DOMException");
      is(ex.code, 0, "Threw with right code");
    }
    try {
      indexedDB.cmp(1, invalidKeys[i]);
      ok(false, "didn't throw2");
    }
    catch(ex) {
      ok(ex instanceof DOMException, "Threw DOMException2");
      is(ex.name, "DataError", "Threw right DOMException2");
      is(ex.code, 0, "Threw with right code2");
    }
    try {
      store.put(1, invalidKeys[i]);
      ok(false, "didn't throw3");
    }
    catch(ex) {
      ok(ex instanceof DOMException, "Threw DOMException3");
      is(ex.name, "DataError", "Threw right DOMException3");
      is(ex.code, 0, "Threw with right code3");
    }
  }

  openRequest.onsuccess = grabEventAndContinueHandler;
  yield;

  finishTest();
  yield;
}
