| Index: third_party/WebKit/LayoutTests/storage/quota/storagemanager-estimate.html
|
| diff --git a/third_party/WebKit/LayoutTests/storage/quota/storagemanager-estimate.html b/third_party/WebKit/LayoutTests/storage/quota/storagemanager-estimate.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..f7f6341dc33652d573d10657e7134db8e06798cf
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/storage/quota/storagemanager-estimate.html
|
| @@ -0,0 +1,82 @@
|
| +<!DOCTYPE html>
|
| +<title>StorageManager: estimate()</title>
|
| +<script src="../../resources/testharness.js"></script>
|
| +<script src="../../resources/testharnessreport.js"></script>
|
| +<script src="resources/testharness-helpers.js"></script>
|
| +<script>
|
| +
|
| +test(function(t) {
|
| + assert_true('estimate' in window.navigator.storage);
|
| + assert_equals(typeof window.navigator.storage.estimate, 'function');
|
| + assert_true(window.navigator.storage.estimate() instanceof Promise);
|
| +}, 'estimate() method exists and returns a Promise');
|
| +
|
| +promise_test(function(t) {
|
| + return window.navigator.storage.estimate().then(function(result) {
|
| + assert_true(typeof result === 'object');
|
| + assert_true('usage' in result);
|
| + assert_equals(typeof result.usage, 'number');
|
| + assert_true('quota' in result);
|
| + assert_equals(typeof result.quota, 'number');
|
| + });
|
| +}, 'estimate() resolves to dictionary with members');
|
| +
|
| +
|
| +// Simple Promise wrappers for IndexedDB to make async testing easier.
|
| +function deleteDB(name) {
|
| + return new Promise(function(resolve, reject) {
|
| + var del = indexedDB.deleteDatabase(name);
|
| + del.onerror = function() { reject(del.error); };
|
| + del.onsuccess = function() { resolve(); };
|
| + });
|
| +}
|
| +function openDB(name, upgrade) {
|
| + return new Promise(function(resolve, reject) {
|
| + var open = indexedDB.open(name);
|
| + open.onerror = function() { reject(open.error); };
|
| + open.onupgradeneeded = function() { upgrade(open.result); };
|
| + open.onsuccess = function() { resolve(open.result); };
|
| + });
|
| +}
|
| +function transactionToPromise(tx) {
|
| + return new Promise(function(resolve, reject) {
|
| + tx.onabort = function() { reject(tx.error); };
|
| + tx.oncomplete = function() { resolve(); };
|
| + });
|
| +}
|
| +
|
| +promise_test(function(t) {
|
| + var large_value = new Uint8Array(1e6);
|
| + var dbname = 'db' + window.location;
|
| + var db, before, after;
|
| +
|
| + return deleteDB(name)
|
| + .then(() => openDB(name, db => { db.createObjectStore('store'); }))
|
| + .then(connection => {
|
| + db = connection;
|
| + return navigator.storage.estimate();
|
| + })
|
| + .then(estimate => {
|
| + before = estimate.usage;
|
| + var tx = db.transaction('store', 'readwrite');
|
| + tx.objectStore('store').put(large_value, 'k');
|
| + return transactionToPromise(tx);
|
| + })
|
| + .then(() => {
|
| + return navigator.storage.estimate();
|
| + })
|
| + .then(estimate => {
|
| + after = estimate.usage;
|
| + assert_greater_than(after, before,
|
| + 'estimated usage should increase');
|
| + // This assertion may not hold, e.g. if the implementation compresses
|
| + // the data or pre-allocate blocks larger than the value being stored.
|
| + assert_greater_than_equal(after - before, large_value.length,
|
| + 'increase should be at least as large as value stored');
|
| +
|
| + db.close();
|
| + return deleteDB(name);
|
| + });
|
| +}, 'estimate() shows usage increase after large value is stored');
|
| +
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 1855623002:
Implement quota estimation API from Storage spec (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master