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Bug 987111 - Tests. r=gabor

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This commit is contained in:
Bobby Holley 2014-06-04 15:12:27 -07:00
parent 8bdd4083bc
commit 3ea2e18583
1 changed files with 104 additions and 1 deletions
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105
js/xpconnect/tests/chrome/test_xrayToJS.xul
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@ -23,6 +23,16 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=933681
const Cu = Components.utils;
let global = Cu.getGlobalForObject.bind(Cu);
function checkThrows(f, rgxp, msg) {
try {
f();
ok(false, "Should have thrown: " + msg);
} catch (e) {
ok(true, "Threw as expected: " + msg);
ok(rgxp.test(e), "Message correct: " + e);
}
}
simpleConstructors = ['Object', 'Function', 'Array', 'Boolean', 'Date', 'Number',
'String', 'RegExp', 'Error', 'InternalError', 'EvalError',
'RangeError', 'ReferenceError', 'SyntaxError', 'TypeError',
@ -103,6 +113,8 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=933681
testDate();
testObject();
// We could also test DataView and Iterator here for completeness, but it's
// more trouble than it's worth.
@ -128,6 +140,11 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=933681
"toLocaleDateString", "toLocaleTimeString", "toDateString", "toTimeString",
"toISOString", "toJSON", "toSource", "toString", "valueOf", "constructor",
"toGMTString"];
gPrototypeProperties['Object'] = /* __proto__ is intentionally excluded here, because
the JS engine filters it out of getOwnPropertyNames */
["constructor", "toSource", "toString", "toLocaleString", "valueOf", "watch",
"unwatch", "hasOwnProperty", "isPrototypeOf", "propertyIsEnumerable",
"__defineGetter__", "__defineSetter__", "__lookupGetter__", "__lookupSetter__"];
function filterOut(array, props) {
return array.filter(p => props.indexOf(p) == -1);
@ -148,7 +165,8 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=933681
ok(protoMethods.length > 0, "Need something to test");
is(xrayProto, iwin[classname].prototype, "Xray proto is correct");
is(xrayProto, xray.__proto__, "Proto accessors agree");
is(Object.getPrototypeOf(xrayProto), iwin.Object.prototype, "proto proto is correct");
var protoProto = classname == "Object" ? null : iwin.Object.prototype;
is(Object.getPrototypeOf(xrayProto), protoProto, "proto proto is correct");
for (let name of protoMethods) {
info("Running tests for property: " + name);
ok(xrayProto.hasOwnProperty(name), "proto should have the property as own");
@ -193,6 +211,91 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=933681
is(d.toLocaleString('de-DE'), d.wrappedJSObject.toLocaleString('de-DE'), "Results match");
}
function testObject() {
testXray('Object', iwin.Object.create(new iwin.Object()), new iwin.Object(), []);
// Construct an object full of tricky things.
var trickyObject =
iwin.eval('new Object({ \
primitiveProp: 42, objectProp: { foo: 2 }, \
xoProp: top.location, hasOwnProperty: 10, \
get getterProp() { return 2; }, \
set setterProp(x) { }, \
get getterSetterProp() { return 3; }, \
set getterSetterProp(x) { }, \
callableProp: function() { }, \
nonXrayableProp: new WeakMap() })');
// Make sure it looks right under the hood.
is(trickyObject.wrappedJSObject.getterProp, 2, "Underlying object has getter");
is(Cu.unwaiveXrays(trickyObject.wrappedJSObject.xoProp), top.location, "Underlying object has xo property");
// Test getOwnPropertyNames.
is(Object.getOwnPropertyNames(trickyObject).sort().toSource(),
['objectProp', 'primitiveProp'].toSource(), "getOwnPropertyNames should be filtered correctly");
// Test iteration and in-place modification. Beware of 'expando', which is the property
// we placed on the xray proto.
var propCount = 0;
for (let prop in trickyObject) {
if (prop == 'primitiveProp')
trickyObject[prop] = trickyObject[prop] - 10;
if (prop != 'expando')
trickyObject[prop] = trickyObject[prop];
++propCount;
}
is(propCount, 3, "Should iterate the correct number of times");
// Test Object.keys.
is(Object.keys(trickyObject).sort().toSource(),
['objectProp', 'primitiveProp'].toSource(), "Object.keys should be filtered correctly");
// Test getOwnPropertyDescriptor.
is(trickyObject.primitiveProp, 32, "primitive prop works");
is(trickyObject.objectProp.foo, 2, "object prop works");
is(typeof trickyObject.callableProp, 'undefined', "filtering works correctly");
is(Object.getOwnPropertyDescriptor(trickyObject, 'primitiveProp').value, 32, "getOwnPropertyDescriptor works");
is(Object.getOwnPropertyDescriptor(trickyObject, 'xoProp'), undefined, "filtering works with getOwnPropertyDescriptor");
// Test defineProperty.
trickyObject.primitiveSetByXray = 'fourty two';
is(trickyObject.primitiveSetByXray, 'fourty two', "Can set primitive correctly over Xray (ready via Xray)");
is(trickyObject.wrappedJSObject.primitiveSetByXray, 'fourty two', "Can set primitive correctly over Xray (ready via Waiver)");
var newContentObject = iwin.eval('new Object({prop: 99, get getterProp() { return 2; }})');
trickyObject.objectSetByXray = newContentObject;
is(trickyObject.objectSetByXray.prop, 99, "Can set object correctly over Xray (ready via Xray)");
is(trickyObject.wrappedJSObject.objectSetByXray.prop, 99, "Can set object correctly over Xray (ready via Waiver)");
checkThrows(function() { trickyObject.rejectedProp = {foo: 33}}, /cross-origin object/,
"Should reject privileged object property definition");
// Test JSON.stringify.
var jsonStr = JSON.stringify(newContentObject);
ok(/prop/.test(jsonStr), "JSON stringification should work: " + jsonStr);
// Test deletion.
delete newContentObject.prop;
ok(!newContentObject.hasOwnProperty('prop'), "Deletion should work");
ok(!newContentObject.wrappedJSObject.hasOwnProperty('prop'), "Deletion should forward");
delete newContentObject.getterProp;
ok(newContentObject.wrappedJSObject.hasOwnProperty('getterProp'), "Deletion be no-op for filtered property");
// We should be able to overwrite an existing accessor prop and convert it
// to a value prop.
is(trickyObject.wrappedJSObject.getterSetterProp, 3, "Underlying object has getter");
is(trickyObject.getterSetterProp, undefined, "Filtering properly over Xray");
trickyObject.getterSetterProp = 'redefined';
is(trickyObject.getterSetterProp, 'redefined', "Redefinition works");
is(trickyObject.wrappedJSObject.getterSetterProp, 'redefined', "Redefinition forwards");
checkThrows(function() { trickyObject.hasOwnProperty = 33; }, /shadow/,
"Should reject shadowing of pre-existing inherited properties over Xrays");
checkThrows(function() { Object.defineProperty(trickyObject, 'rejectedProp', { get: function() {}}); },
/accessor property/, "Should reject accessor property definition");
}
]]>
</script>
<iframe id="ifr" onload="go();" src="http://example.org/tests/js/xpconnect/tests/mochitest/file_empty.html" />