| <!DOCTYPE html> |
| <title>IDBCursor.continue()</title> |
| <link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal"> |
| <link rel=help href="http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#widl-IDBCursor-continue-void-any-key"> |
| <link rel=assert title="The next key to position this cursor at"> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <script src="support.js"></script> |
| |
| <script> |
| |
| var db, open; |
| var store = [ { value: "cupcake", key: 5 }, |
| { value: "pancake", key: 3 }, |
| { value: "pie", key: 1 }, |
| { value: "pie", key: 4 }, |
| { value: "taco", key: 2 } ]; |
| |
| setup(function() { |
| open = indexedDB.open('testdb-' + new Date().getTime()); |
| open.onupgradeneeded = function(e) { |
| var os, i; |
| db = e.target.result; |
| os = db.createObjectStore("test"); |
| os.createIndex("index", ""); |
| |
| for (i = 0; i < store.length; i++) |
| os.add(store[i].value, store[i].key); |
| }; |
| }, |
| { explicit_done: true }); |
| |
| |
| open.onsuccess = function() { |
| |
| |
| async_test(document.title + " - continues").step(function(e) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("index").openCursor(); |
| |
| rq.onsuccess = this.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, 5, 'count'); |
| this.done(); |
| return; |
| } |
| var cursor = e.target.result; |
| |
| assert_equals(cursor.value, store[count].value); |
| assert_equals(cursor.primaryKey, store[count].key); |
| |
| cursor.continue(); |
| |
| count++; |
| }); |
| rq.onerror = fail(this, "unexpected error") |
| }); |
| |
| |
| async_test(document.title + " - with given key").step(function(e) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("index").openCursor(); |
| |
| rq.onsuccess = this.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, 3, 'count'); |
| this.done(); |
| return; |
| } |
| var cursor = e.target.result; |
| |
| switch(count) { |
| case 0: |
| assert_equals(cursor.value, "cupcake"); |
| assert_equals(cursor.primaryKey, 5); |
| cursor.continue("pie"); |
| break; |
| |
| case 1: |
| assert_equals(cursor.value, "pie"); |
| assert_equals(cursor.primaryKey, 1); |
| cursor.continue("taco"); |
| break; |
| |
| case 2: |
| assert_equals(cursor.value, "taco"); |
| assert_equals(cursor.primaryKey, 2); |
| cursor.continue(); |
| break; |
| |
| default: |
| assert_unreached("Unexpected count: " + count); |
| } |
| |
| count++; |
| }); |
| rq.onerror = fail(this, "unexpected error") |
| }); |
| |
| |
| async_test(document.title + " - skip far forward").step(function(e) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("index") |
| .openCursor(); |
| |
| rq.onsuccess = this.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, 1, 'count'); |
| this.done(); |
| return; |
| } |
| var cursor = e.target.result; |
| |
| switch(count) { |
| case 0: |
| assert_equals(cursor.value, "cupcake"); |
| assert_equals(cursor.primaryKey, 5); |
| break; |
| |
| default: |
| assert_unreached("Unexpected count: " + count); |
| } |
| |
| count++; |
| cursor.continue([]); // Arrays are always bigger than strings |
| |
| }); |
| rq.onerror = fail(this, "unexpected error2") |
| }); |
| |
| |
| async_test(document.title + " - within range").step(function(e) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("index") |
| .openCursor(IDBKeyRange.lowerBound("cupcake", true)); |
| |
| rq.onsuccess = this.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, 2, 'count'); |
| this.done(); |
| return; |
| } |
| var cursor = e.target.result; |
| |
| switch(count) { |
| case 0: |
| assert_equals(cursor.value, "pancake"); |
| assert_equals(cursor.primaryKey, 3); |
| cursor.continue("pie"); |
| break; |
| |
| case 1: |
| assert_equals(cursor.value, "pie"); |
| assert_equals(cursor.primaryKey, 1); |
| cursor.continue("zzz"); |
| break; |
| |
| default: |
| assert_unreached("Unexpected count: " + count); |
| } |
| |
| count++; |
| }); |
| rq.onerror = fail(this, "unexpected error1") |
| }); |
| |
| |
| async_test(document.title + " - within single key range").step(function(e) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("index") |
| .openCursor("pancake"); |
| |
| rq.onsuccess = this.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, 1, 'count'); |
| this.done(); |
| return; |
| } |
| var cursor = e.target.result; |
| |
| switch(count) { |
| case 0: |
| assert_equals(cursor.value, "pancake"); |
| assert_equals(cursor.primaryKey, 3); |
| cursor.continue("pie"); |
| break; |
| |
| default: |
| assert_unreached("Unexpected count: " + count); |
| } |
| |
| count++; |
| }); |
| rq.onerror = fail(this, "unexpected error1") |
| }); |
| |
| |
| async_test(document.title + " - within single key range, with several results").step(function(e) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("index") |
| .openCursor("pie"); |
| |
| rq.onsuccess = this.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, 2, 'count'); |
| this.done(); |
| return; |
| } |
| var cursor = e.target.result; |
| |
| switch(count) { |
| case 0: |
| assert_equals(cursor.value, "pie"); |
| assert_equals(cursor.primaryKey, 1); |
| cursor.continue(); |
| break; |
| |
| case 1: |
| assert_equals(cursor.value, "pie"); |
| assert_equals(cursor.primaryKey, 4); |
| cursor.continue(); |
| break; |
| |
| default: |
| assert_unreached("Unexpected count: " + count); |
| } |
| |
| count++; |
| }); |
| rq.onerror = fail(this, "unexpected error1") |
| }); |
| |
| |
| // Stop blocking the testing system from hereon |
| done(); |
| } |
| |
| </script> |
| |
| <div id="log"></div> |
