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Test Info: Warnings
- This test has a WPT meta file that expects 5 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /IndexedDB/idbcursor-advance.htm - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>IDBCursor.advance()</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("cupcake", 5);
objStore.add("pancake", 3); // Yes, it is intended
objStore.add("pie", 1);
objStore.add("pie", 4);
objStore.add("taco", 2);
}
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, 3, "count");
t.done();
return;
}
var cursor = e.target.result;
switch(count) {
case 0:
assert_equals(cursor.value, "cupcake");
assert_equals(cursor.primaryKey, 5);
break;
case 1:
assert_equals(cursor.value, "pie");
assert_equals(cursor.primaryKey, 1);
break;
case 2:
assert_equals(cursor.value, "taco");
assert_equals(cursor.primaryKey, 2);
break;
default:
assert_unreached("Unexpected count: " + count);
}
count++;
cursor.advance(2);
});
rq.onerror = t.unreached_func("unexpected error")
},
document.title + " - advances"
);
indexeddb_test(
upgrade_func,
function(t, db) {
var count = 0;
var rq = db.transaction("test", "readonly", {durability: 'relaxed'}).objectStore("test").index("index").openCursor(null, "prev");
rq.onsuccess = t.step_func(function(e) {
if (!e.target.result) {
assert_equals(count, 3, "count");
t.done();
return;
}
var cursor = e.target.result;
switch(count) {
case 0:
assert_equals(cursor.value, "taco");
assert_equals(cursor.primaryKey, 2);
break;
case 1:
assert_equals(cursor.value, "pie");
assert_equals(cursor.primaryKey, 1);
break;
case 2:
assert_equals(cursor.value, "cupcake");
assert_equals(cursor.primaryKey, 5);
break;
default:
assert_unreached("Unexpected count: " + count);
}
count++;
cursor.advance(2);
});
rq.onerror = t.unreached_func("unexpected error")
},
document.title + " - advances backwards"
);
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, 1, "count");
t.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.advance(100000);
});
rq.onerror = t.unreached_func("unexpected error")
},
document.title + " - skip far forward"
);
indexeddb_test(
upgrade_func,
function(t, db) {
var count = 0;
var rq = db.transaction("test", "readonly", {durability: 'relaxed'}).objectStore("test").index("index")
.openCursor(IDBKeyRange.lowerBound("cupcake", true));
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, "pancake");
assert_equals(cursor.primaryKey, 3);
break;
case 1:
assert_equals(cursor.value, "pie");
assert_equals(cursor.primaryKey, 4);
break;
default:
assert_unreached("Unexpected count: " + count);
}
count++;
cursor.advance(2);
});
rq.onerror = t.unreached_func("unexpected error")
},
document.title + " - within range"
);
indexeddb_test(
upgrade_func,
function(t, db) {
var count = 0;
var rq = db.transaction("test", "readonly", {durability: 'relaxed'}).objectStore("test").index("index")
.openCursor("pancake");
rq.onsuccess = t.step_func(function(e) {
if (!e.target.result) {
assert_equals(count, 1, "count");
t.done();
return;
}
var cursor = e.target.result;
switch(count) {
case 0:
assert_equals(cursor.value, "pancake");
assert_equals(cursor.primaryKey, 3);
break;
default:
assert_unreached("Unexpected count: " + count);
}
count++;
cursor.advance(1);
});
rq.onerror = t.unreached_func("unexpected error")
},
document.title + " - within single key range"
);
indexeddb_test(
upgrade_func,
function(t, db) {
var count = 0;
var rq = db.transaction("test", "readonly", {durability: 'relaxed'}).objectStore("test").index("index")
.openCursor("pie");
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, "pie");
assert_equals(cursor.primaryKey, 1);
break;
case 1:
assert_equals(cursor.value, "pie");
assert_equals(cursor.primaryKey, 4);
break;
default:
assert_unreached("Unexpected count: " + count);
}
count++;
cursor.advance(1);
});
rq.onerror = t.unreached_func("unexpected error")
},
document.title + " - within single key range, with several results"
);
</script>