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<!DOCTYPE html>
<title>IDBCursor asyncness</title>
<link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/support.js"></script>
<script>
function upgrade_func(t, db, tx) {
var objStore = db.createObjectStore("test");
objStore.createIndex("index", "");
objStore.add("data", 1);
objStore.add("data2", 2);
}
indexeddb_test(
upgrade_func,
function(t, db) {
var count = 0;
var rq = db.transaction("test", "readonly", {durability: 'relaxed'}).objectStore("test").openCursor();
rq.onsuccess = t.step_func(function(e) {
if (!e.target.result) {
assert_equals(count, 2, 'count');
t.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 = t.unreached_func("unexpected error")
},
document.title + " - advance"
);
indexeddb_test(
upgrade_func,
function(t, db) {
var count = 0;
var rq = db.transaction("test", "readonly", {durability: 'relaxed'}).objectStore("test").index("index").openCursor();
rq.onsuccess = t.step_func(function(e) {
if (!e.target.result) {
assert_equals(count, 2, 'count');
t.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 = t.unreached_func("unexpected error")
},
document.title + " - continue"
);
indexeddb_test(
upgrade_func,
function(t, db) {
var count = 0;
var rq = db.transaction("test", "readonly", {durability: 'relaxed'}).objectStore("test").index("index").openCursor();
rq.onsuccess = t.step_func(function(e) {
if (!e.target.result) {
assert_equals(count, 2, 'count');
t.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 = t.unreached_func("unexpected error")
},
document.title + " - fresh advance still async"
);
indexeddb_test(
upgrade_func,
function(t, db) {
var count = 0;
var rq = db.transaction("test", "readonly", {durability: 'relaxed'}).objectStore("test").openCursor();
rq.onsuccess = t.step_func(function(e) {
if (!e.target.result) {
assert_equals(count, 2, 'count');
t.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 = t.unreached_func("unexpected error")
},
document.title + " - fresh continue still async"
);
</script>
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