<!DOCTYPE html>
<!-- Submitted from TestTWF Paris -->
<meta charset="utf-8">
<title>Keypath</title>
<link rel=help href="http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#key-path-construct">
<link rel=assert title="A key path is a DOMString that defines how to extract a key from a value. A valid key path is either the empty string, a JavaScript identifier, or multiple Javascript identifiers separated by periods (ASCII character code 46) [ECMA-262].">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support.js"></script>
<script>
var global_db = createdb_for_multiple_tests();
function keypath(keypath, objects, expected_keys, desc) {
var db,
t = async_test(document.title + " - " + (desc ? desc : keypath)),
store_name = "store-"+(Date.now())+Math.random();
var open_rq = global_db.setTest(t);
open_rq.onupgradeneeded = function(e) {
db = e.target.result;
var objStore = db.createObjectStore(store_name, { keyPath: keypath });
for (var i = 0; i < objects.length; i++)
objStore.add(objects[i]);
};
open_rq.onsuccess = function(e) {
var actual_keys = [],
rq = db.transaction(store_name)
.objectStore(store_name)
.openCursor();
rq.onsuccess = t.step_func(function(e) {
var cursor = e.target.result;
if (cursor) {
actual_keys.push(cursor.key.valueOf());
cursor.continue();
}
else {
assert_key_equals(actual_keys, expected_keys, "keyorder array");
t.done();
}
});
};
}
keypath('my.key',
[ { my: { key: 10 } } ],
[ 10 ]);
keypath('my.køi',
[ { my: { køi: 5 } } ],
[ 5 ]);
keypath('my.key_ya',
[ { my: { key_ya: 10 } } ],
[ 10 ]);
keypath('public.key$ya',
[ { public: { key$ya: 10 } } ],
[ 10 ]);
keypath('true.$',
[ { true: { $: 10 } } ],
[ 10 ]);
keypath('my._',
[ { my: { _: 10 } } ],
[ 10 ]);
keypath('delete.a7',
[ { delete: { a7: 10 } } ],
[ 10 ]);
keypath('p.p.p.p.p.p.p.p.p.p.p.p.p.p',
[ {p:{p:{p:{p:{p:{p:{p:{p:{p:{p:{p:{p:{p:{p:10}}}}}}}}}}}}}} ],
[ 10 ]);
keypath('str.length',
[ { str: "pony" }, { str: "my" }, { str: "little" }, { str: "" } ],
[ 0, 2, 4, 6 ]);
keypath('arr.length',
[ {arr: [0, 0, 0, 0]}, {arr: [{}, 0, "hei", "length", Infinity, []]}, {arr: [10, 10]}, { arr: []} ],
[ 0, 2, 4, 6 ]);
keypath('length',
[ [10, 10], "123", { length: 20 } ],
[ 2, 3, 20 ]);
keypath('',
[ ["bags"], "bean", 10 ],
[ 10, "bean", ["bags"] ],
"'' uses value as key");
keypath([''],
[ ["bags"], "bean", 10 ],
[ [10], ["bean"] , [["bags"]] ],
"[''] uses value as [key]");
keypath(['x', 'y'],
[ {x:10, y:20}, {y:1.337, x:100} ],
[ [10, 20], [100, 1.337] ],
"['x', 'y']");
keypath([['x'], ['y']],
[ {x:10, y:20}, {y:1.337, x:100} ],
[ [10, 20], [100, 1.337] ],
"[['x'], 'y'] (stringifies)");
keypath(['x', {toString:function(){return 'y'}}],
[ {x:10, y:20}, {y:1.337, x:100} ],
[ [10, 20], [100, 1.337] ],
"['x', {toString->'y'}] (stringifies)");
if (false) {
var myblob = Blob(["Yoda"], {type:'suprawsum'});
keypath(['length', 'type'],
[ myblob ],
[ 4, 'suprawsum' ],
"[Blob.length, Blob.type]");
}
// File.name and File.lastModifiedDate is not testable automatically
keypath(['name', 'type'],
[ { name: "orange", type: "fruit" }, { name: "orange", type: ["telecom", "french"] } ],
[ ["orange", "fruit"], ["orange", ["telecom", "french"]] ]);
keypath(['name', 'type.name'],
[ { name: "orange", type: { name: "fruit" }}, { name: "orange", type: { name: "telecom" }} ],
[ ["orange", "fruit"], ["orange", "telecom" ] ]);
loop_array = [];
loop_array.push(loop_array);
keypath(loop_array,
[ "a", 1, ["k"] ],
[ [1], ["a"], [["k"]] ],
"array loop -> stringify becomes ['']");
</script>
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