Quelle key_valid.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/testing/web-platform/tests/IndexedDB/key_valid.html

<!DOCTYPE html>

<meta charset=utf-8">
<meta name="timeout" content="long">
<title>Valid key</title>
<link rel=help href="http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#key-construct">
<link rel=assert title="A value is said to be a valid key if it is one of the following types: Array JavaScript objects [ECMA-262], DOMString [WEBIDL], Date [ECMA-262] or float [WEBIDL]. However Arrays are only valid keys if every item in the array is defined and is a valid key (i.e. sparse arrays can not be valid keys) and if the Array doesn't directly or indirectly contain itself. Any non-numeric properties are ignored, and thus does not affect whether the Array is a valid key. Additionally, if the value is of type float, it is only a valid key if it is not NaN, and if the value is of type Date it is only a valid key if its [[PrimitiveValue]] internal property, as defined by [ECMA-262], is not NaN. Conforming user agents must support all valid keys as keys.">
<link rel=author href="mailto:batifon@yahoo.fr" title="Baptiste Fontaine">
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=resources/support.js></script>

<script>
    function valid_key(desc, key) {
        var db;
        var t = async_test(document.title + " - " + desc);
        var open_rq = createdb(t);

        open_rq.onupgradeneeded = function(e) {
            db = e.target.result;

            store = db.createObjectStore("store");
            assert_true(store.add('value', key) instanceof IDBRequest);

            store2 = db.createObjectStore("store2", { keyPath: ["x", "keypath"] });
            assert_true(store2.add({ x: 'v', keypath: key }) instanceof IDBRequest);
        };
        open_rq.onsuccess = function(e) {
            var rq = db.transaction("store", "readonly")
                       .objectStore("store")
                       .get(key)
            rq.onsuccess = t.step_func(function(e) {
                assert_equals(e.target.result, 'value')
                var rq = db.transaction("store2", "readonly")
                           .objectStore("store2")
                           .get(['v', key])
                rq.onsuccess = t.step_func(function(e) {
                    assert_equals(e.target.result.x, 'v');
                    assert_key_equals(e.target.result.keypath, key);
                    t.done()
                })
            })
        }
    }

    // Date
    valid_key( 'new Date()'    , new Date() );
    valid_key( 'new Date(0)'   , new Date(0) );

    // Array
    valid_key( '[]'            , [] );
    valid_key( 'new Array()'   , new Array() );

    valid_key( '["undefined"]' , ['undefined'] );

    // Float
    valid_key( 'Infinity'      , Infinity );
    valid_key( '-Infinity'     , -Infinity );
    valid_key( '0'             , 0 );
    valid_key( '1.5'           , 1.5 );
    valid_key( '3e38'          , 3e38 );
    valid_key( '3e-38'         , 3e38 );

    // String
    valid_key( '"foo"'         , "foo" );
    valid_key( '"\\n"'         , "\n" );
    valid_key( '""'            , "" );
    valid_key( '"\\""'         , "\"" );
    valid_key( '"\\u1234"'     , "\u1234" );
    valid_key( '"\\u0000"'     , "\u0000" );
    valid_key( '"NaN"'         , "NaN" );

</script>

<div id=log></div>

quality96%

¤ Dauer der Verarbeitung: 0.4 Sekunden ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.