idbcursor-advance-continue-async.htm
<!DOCTYPE html>
<title>IDBCursor asyncness</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support.js"></script>
<script>
var db, open;
setup(function() {
open = indexedDB.open('testdb-' + new Date().getTime());
open.onupgradeneeded = function(e) {
db = e.target.result;
var objStore = db.createObjectStore("test");
objStore.createIndex("index", "");
objStore.add("data", 1);
objStore.add("data2", 2);
};
},
{ explicit_done: true });
open.onsuccess = function() {
async_test(document.title + " - advance").step(function(e) {
var count = 0;
var rq = db.transaction("test").objectStore("test").openCursor();
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, "data")
assert_equals(cursor.key, 1)
cursor.advance(1)
assert_equals(cursor.value, "data")
assert_equals(cursor.key, 1)
break
case 1:
assert_equals(cursor.value, "data2")
assert_equals(cursor.key, 2)
cursor.advance(1)
assert_equals(cursor.value, "data2")
assert_equals(cursor.key, 2)
break
default:
assert_unreached("Unexpected count: " + count)
}
count++;
});
rq.onerror = fail(this, "unexpected error")
});
async_test(document.title + " - continue").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, 2, 'count');
this.done();
return;
}
var cursor = e.target.result;
switch(count) {
case 0:
assert_equals(cursor.value, "data")
assert_equals(cursor.key, "data")
assert_equals(cursor.primaryKey, 1)
cursor.continue("data2")
assert_equals(cursor.value, "data")
assert_equals(cursor.key, "data")
assert_equals(cursor.primaryKey, 1)
break
case 1:
assert_equals(cursor.value, "data2")
assert_equals(cursor.key, "data2")
assert_equals(cursor.primaryKey, 2)
cursor.continue()
assert_equals(cursor.value, "data2")
assert_equals(cursor.key, "data2")
assert_equals(cursor.primaryKey, 2)
break
default:
assert_unreached("Unexpected count: " + count)
}
count++;
});
rq.onerror = fail(this, "unexpected error")
});
async_test(document.title + " - fresh advance still async").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, 2, 'count');
this.done();
return;
}
var cursor = e.target.result;
cursor.advance(1)
switch(count) {
case 0:
assert_equals(cursor.value, "data")
assert_equals(cursor.key, "data")
assert_equals(cursor.primaryKey, 1)
break
case 1:
assert_equals(cursor.value, "data2")
assert_equals(cursor.key, "data2")
assert_equals(cursor.primaryKey, 2)
break
default:
assert_unreached("Unexpected count: " + count)
}
count++;
});
rq.onerror = fail(this, "unexpected error")
});
async_test(document.title + " - fresh continue still async").step(function(e) {
var count = 0;
var rq = db.transaction("test").objectStore("test").openCursor();
rq.onsuccess = this.step_func(function(e) {
if (!e.target.result) {
assert_equals(count, 2, 'count');
this.done();
return;
}
var cursor = e.target.result;
cursor.continue()
switch(count) {
case 0:
assert_equals(cursor.value, "data")
assert_equals(cursor.key, 1)
break
case 1:
assert_equals(cursor.value, "data2")
assert_equals(cursor.key, 2)
break
default:
assert_unreached("Unexpected count: " + count)
}
count++;
});
rq.onerror = fail(this, "unexpected error")
});
// Stop blocking the testing system from hereon
done();
}
</script>
<div id=log></div>
