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test.html
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test.html
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<!DOCTYPE html>
<html>
<head>
<title>Tests for storage.js</title>
<meta charset='utf-8'>
<script src='third_party/kamino.min.js'></script>
<!-- Uncomment this if you want to use WebSQL via an IDB shim.
<script src='third_party/IndexedDBShim.min.js'></script>
-->
<script src='storage.js'></script>
<style>
.success {
color: green;
}
.failure {
color: red;
}
</style>
</head>
<body>
<script>
var tests = [];
var testIdx = -1;
var succeededTests = 0;
var failedTests = 0;
function done() {
var div = document.createElement('div');
div.className = 'results';
div.innerHTML = '<div>Success: ' + succeededTests + '</div>' +
'<div>Failures: ' + failedTests + '</div>';
document.body.appendChild(div);
}
function next() {
testIdx++;
if (testIdx < tests.length) {
tests[testIdx]();
} else {
done();
}
}
function log(type, msg) {
var div = document.createElement('div');
div.className = type;
div.textContent = type.toUpperCase() + " - " + msg;
document.body.appendChild(div);
}
function success(msg) {
succeededTests++;
log('success', msg);
}
function failure(msg, value, test) {
failedTests++;
log('failure', msg + " | got " + value + ", expected " + test);
}
function is(value, test, msg) {
if (value === test) {
success(msg);
} else {
failure(msg, value, test);
}
}
function isnot(value, test, msg) {
if (value !== test) {
success(msg);
} else {
failure(msg, value, test);
}
}
</script>
<script>
is(typeof window.storage, 'object',
'We should have a window.storage object');
var storage = window.storage;
tests = [
// Check the interface.
function() {
is(typeof storage.length, 'function',
'storage should have .length()');
is(typeof storage.get, 'function',
'storage should have .get()');
is(typeof storage.set, 'function',
'storage should have .set()');
is(typeof storage.remove, 'function',
'storage should have .remove()');
is(typeof storage.clear, 'function',
'storage should have .clear()');
next();
},
// Check basic get/set/remove.
function() {
storage.set('foo', 'bar', function() {
storage.get('foo', function(value) {
is(value, 'bar', 'value should be \'bar\'');
storage.set('foo', 'overwritten', function() {
storage.get('foo', function(value) {
is(value, 'overwritten', 'value should be \'overwritten\'');
storage.remove('foo', function() {
storage.get('foo', function(value) {
is(value, null, 'value should be null');
next();
});
});
});
});
});
});
},
// Get/set null and undefined.
function() {
storage.set('foo', null, function() {
storage.get('foo', function(value) {
is(value, null, 'value should be null');
storage.set('foo', undefined, function() {
storage.get('foo', function(value) {
is(value, null, 'value should be null');
storage.remove('foo', function() {
next();
});
});
});
});
});
},
// Check complex get/set/remove (structured clone).
function() {
var input = document.createElement('input');
input.type = 'file';
var object = {
a: new Blob(['foobar'], { type: 'text/html'}),
b: new Date(),
c: Infinity,
d: NaN,
e: undefined,
f: input.files,
x: 1,
y: 'foo',
z: true
};
storage.set('foo', object, function() {
storage.get('foo', function(result) {
var isChrome = /Chrome/.test(navigator.userAgent) &&
/Google Inc/.test(navigator.vendor);
// Sadly, Kamino is not as good as native structured clone.
var usingKamino = ('indexedDB' in window) || isChrome;
is(typeof result, 'object', 'result should be an object');
if (!usingKamino)
is(result.a.toString(), object.a.toString(), 'result.a is okay');
is(result.a.size, object.a.size, 'result.a is okay');
is(result.a.type, object.a.type, 'result.a is okay');
if (!usingKamino)
is(result.a.__proto__, object.a.__proto__, 'result.a is okay');
is(result.b.toString(), object.b.toString(), 'result.b is okay');
is(result.c, object.c, 'result.c is okay');
// NaN is not equal to itself.
isnot(result.d, result.d, 'result.d is okay');
is(result.e, object.e, 'result.e is okay');
if (!usingKamino) {
is(result.f.toString(), object.f.toString(), 'result.f is okay');
is(result.f.__proto__, object.f.__proto__, 'result.f is okay');
}
is(result.f.length, object.f.length, 'result.f is okay');
is(result.x, object.x, 'result.x should be 1');
is(result.y, object.y, 'result.y should be \'foo\'');
is(result.z, object.z, 'result.z should be true');
storage.remove('foo', function() {
storage.get('foo', function(value) {
is(value, null, 'value should be null');
next();
});
});
});
});
},
// storage.set() does not accept some values.
function() {
try {
storage.set('foo', document.createElement('div'), function() {
is(true, false, 'should have failed');
next();
});
} catch(e) {
is(true, true, "can't set an HTMLElement");
}
next();
},
// Check clear/length/key.
function() {
storage.clear(function() {
storage.length(function(len) {
is(len, 0, 'length should be 0 after clearing');
storage.set('key1', 'value1', function() {
storage.length(function(len) {
is(len, 1, 'length should be 1');
storage.set('key2', 'value2', function() {
storage.length(function(len) {
is(len, 2, 'length should be 2');
storage.set('key3', 'value3', function() {
storage.length(function(len) {
is(len, 3, 'length should be 3');
storage.clear(function() {
storage.get('key1', function(value) {
is(value, null, 'there is no key1 item anymore');
storage.length(function(len) {
is(len, 0, 'length should be back to 0');
next();
});
});
});
});
});
});
});
});
});
});
});
},
];
// Start the test suite.
next();
</script>
</body>
</html>