107 lines
2.7 KiB
JavaScript
107 lines
2.7 KiB
JavaScript
// META: global=window,worker
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// META: title=IDBCursor.continue() - object store
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// META: script=resources/support.js
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'use strict';
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async_test(t => {
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let db;
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let count = 0;
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let open_rq = createdb(t);
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open_rq.onupgradeneeded = function (e) {
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db = e.target.result;
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t.add_cleanup(function () { db.close(); indexedDB.deleteDatabase(db.name); });
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let objStore = db.createObjectStore("test", { keyPath: "key" });
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for (let i = 0; i < 500; i++)
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objStore.add({ key: i, val: "val_" + i });
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let rq = objStore.add({ key: 500, val: "val_500" });
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rq.onsuccess = t.step_func(function () {
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for (let i = 999; i > 500; i--)
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objStore.add({ key: i, val: "val_" + i });
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});
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objStore.createIndex('index', ['key', 'val']);
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};
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open_rq.onsuccess = function (e) {
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let cursor_rq = db.transaction("test", "readwrite")
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.objectStore("test")
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.openCursor();
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cursor_rq.onsuccess = t.step_func(function (e) {
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let cursor = e.target.result,
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store = e.target.source;
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if (!cursor) {
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assert_equals(count, 997, "cursor run count");
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let rq = e.target.source.count();
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rq.onsuccess = t.step_func(function (e) {
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assert_equals(e.target.result, 995, "object count");
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t.done();
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});
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return;
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}
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switch (cursor.key) {
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case 10:
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assert_equals(count, cursor.key, "count");
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store.delete(11);
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break;
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case 12:
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case 499:
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case 500:
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case 501:
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assert_equals(count, cursor.key - 1, "count");
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break;
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// Delete the next key
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case 510:
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store.delete(511);
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break;
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// Delete randomly
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case 512:
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store.delete(611);
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store.delete(499);
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store.delete(500);
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break;
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// Delete and add a new key
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case 520:
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store.delete(521);
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store.add({ key: 521, val: "new" });
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break;
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case 521:
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assert_equals(cursor.value.val, "new");
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break;
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// We should only be here once although we're basically making the index
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// "heavier" with its new key.
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case 530:
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assert_equals(cursor.value.val, "val_530");
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cursor.update({ key: 530, val: "val_531" })
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store.get(530).onsuccess = t.step_func(function (e) {
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assert_equals(e.target.result.val, "val_531");
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});
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break;
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// Shouldn't happen.
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case 11:
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case 511:
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case 611:
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assert_unreached(cursor.key + " should be deleted and never run");
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break;
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}
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cursor.continue();
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count++;
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});
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};
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}, "Iterate and Delete elements");
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