Revision f826720212822414b003f8a483bff66e52e37e4b authored by askalski on 31 March 2016, 16:47:30 UTC, committed by James Graham on 31 March 2016, 16:47:36 UTC
1 parent 921a375
idbcursor-continue.htm
<!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>
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