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Test Info:
- Manifest: js/xpconnect/tests/unit/xpcshell.toml
'use strict';
const { addDebuggerToGlobal } = ChromeUtils.importESModule(
"resource://gre/modules/jsdebugger.sys.mjs"
);
const SYSTEM_PRINCIPAL = Cc["@mozilla.org/systemprincipal;1"].createInstance(
Ci.nsIPrincipal
);
function addTestingFunctionsToGlobal(global) {
global.eval(
`
const testingFunctions = Cu.getJSTestingFunctions();
for (let k in testingFunctions) {
this[k] = testingFunctions[k];
}
`
);
if (!global.print) {
global.print = info;
}
if (!global.newGlobal) {
global.newGlobal = newGlobal;
}
if (!global.Debugger) {
addDebuggerToGlobal(global);
}
}
addTestingFunctionsToGlobal(this);
/* Create a new global, with all the JS shell testing functions. Similar to the
* newGlobal function exposed to JS shells, and useful for porting JS shell
* tests to xpcshell tests.
*/
function newGlobal(args) {
const global = new Cu.Sandbox(SYSTEM_PRINCIPAL, {
freshCompartment: true,
...args,
});
addTestingFunctionsToGlobal(global);
return global;
}
add_task(function test_json_parse_with_source_xrays() {
let sandbox = new Cu.Sandbox("about:blank");
var sourceWrapper = Cu.evalInSandbox("JSON.parse('5.0', (k,v,{source}) => ({src: source, val: v}));", sandbox);
Assert.deepEqual(sourceWrapper, {src: "5.0", val: 5});
sandbox.reviver = (k,v,{source}) => { return { orig: source }};
sourceWrapper = Cu.evalInSandbox("JSON.parse('2.4', reviver);", sandbox);
Assert.deepEqual(sourceWrapper, { orig: "2.4"});
// Get rid of the extra global when experimental.json_parse_with_source pref is removed
var g = newGlobal({ newCompartment: true });
Cu.evalInSandbox(`
let other = new Cu.Sandbox("about:blank");
let rawWrapper = other.eval('JSON.rawJSON(4.32)');
`, g);
Assert.ok(g.eval("JSON.isRawJSON(rawWrapper);"));
Assert.equal(Cu.evalInSandbox("JSON.stringify(rawWrapper)", g), "4.32");
// rawJSON is a data property, so the Xray should hide it
Assert.equal(g.eval("rawWrapper.wrappedJSObject.rawJSON"), "4.32");
Assert.equal(g.eval("rawWrapper.rawJSON"), undefined);
let src = Cu.evalInSandbox(`
other.eval('JSON.parse("4.32", (k,v,{source}) => { return {source,v}})');
`, g);
Assert.ok(Cu.isXrayWrapper(src));
Assert.deepEqual(src, {source:"4.32", v:4.32});
});