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Diffstat (limited to 'js/xpconnect/tests/chrome/test_cloneInto.xhtml')
| -rw-r--r-- | js/xpconnect/tests/chrome/test_cloneInto.xhtml | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/js/xpconnect/tests/chrome/test_cloneInto.xhtml b/js/xpconnect/tests/chrome/test_cloneInto.xhtml new file mode 100644 index 0000000000..aa874bda96 --- /dev/null +++ b/js/xpconnect/tests/chrome/test_cloneInto.xhtml @@ -0,0 +1,194 @@ +<?xml version="1.0"?> +<?xml-stylesheet type="text/css" href="chrome://global/skin"?> +<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?> +<window title="Mozilla Bug 503926" + xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> + <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> + + <!-- test results are displayed in the html:body --> + <body xmlns="http://www.w3.org/1999/xhtml"> + <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=964293" + target="_blank">Cu.cloneInto()</a> + </body> + + <!-- test code goes here --> + <script type="application/javascript"> + <![CDATA[ + + const TypedArrayThings = [ + 'Int8Array', + 'Uint8Array', + 'Uint8ClampedArray', + 'Int16Array', + 'Uint16Array', + 'Int32Array', + 'Uint32Array', + 'Float32Array', + 'Float64Array', + ]; + + function checkThrows(f, msg, rgxp) { + try { + f(); + ok(false, "Should have thrown: " + msg); + } catch (e) { + ok(true, "Threw correctly - " + msg + " - " + e); + if (rgxp) + ok(rgxp.test(e), "Should throw correct exception: " + e); + } + } + + function getType(a) { + if (a === null || a === undefined) + return 'null'; + + if (Array.isArray(a)) + return 'array'; + + if (File.isInstance(a)) + return 'file'; + + if (Blob.isInstance(a)) + return 'blob'; + + if (TypedArrayThings.includes(a.constructor.name)) + return a.constructor.name; + + if (typeof a == 'object') + return 'object'; + + if (typeof a == 'function') + return 'function'; + + return 'primitive'; + } + + function compare(a, b) { + is (getType(a), getType(b), 'Type matches'); + + var type = getType(a); + if (type == 'array') { + is (a.length, b.length, 'Array.length matches'); + for (var i = 0; i < a.length; ++i) { + compare(a[i], b[i]); + } + + return; + } + + if (type == 'file' || type == 'blob') { + ok ( a === b, 'They should match'); + return; + } + + if (type == 'object') { + ok ( a !== b, 'They should not match'); + + var aProps = []; + for (let p in a) aProps.push(p); + + var bProps = []; + for (let p in b) bProps.push(p); + + is (aProps.length, bProps.length, 'Props match'); + is (aProps.sort().toString(), bProps.sort().toString(), 'Props names match'); + + for (let p in a) { + compare(a[p], b[p]); + } + + return; + } + + if (type == 'function') { + ok ( a !== b, 'They should not match'); + return; + } + + if (type != 'null') { + is (a, b, 'Same value'); + } + } + + var sandboxOptions = { + wantXrays: true, + wantExportHelpers: true, + }; + var sandbox = new Cu.Sandbox(window, sandboxOptions); + // The second sandbox is for testing the exportHelper version of the cloneInto + var sandbox2 = new Cu.Sandbox("https://example.com", sandboxOptions); + sandbox.sandbox2 = sandbox2; + sandbox2.sandbox = sandbox; + + function cloneAndTest(test) { + var output = sandbox.test = Cu.cloneInto(test, sandbox); + compare(test, output); + + output = Cu.evalInSandbox('cloneInto(test, sandbox2)', sandbox); + compare(test, output); + } + + function cloneAndTestWithFunctions(test) { + var output = sandbox.test = Cu.cloneInto(test, sandbox, { cloneFunctions: true }); + compare(test, output); + + output = Cu.evalInSandbox('cloneInto(test, sandbox2, { cloneFunctions: true })', sandbox); + // Note - We need to waive here, because functions are filtered out by object Xrays. + compare(test, Cu.waiveXrays(output)); + } + + var tests = [ + 1, + null, + true, + 'hello world', + [1, 2, 3], + { a: 1, b: 2 }, + new Date(), + { a: 1, b: {}, c: [1, 2, 3, {} ], e: 'hello world' }, + ]; + + for (var i = 0; i < tests.length; ++i) { + cloneAndTest(tests[i]); + } + + checkThrows(function() { Cu.cloneInto({ a() {} }, sandbox); }, + 'Function should not be cloned by default'); + + checkThrows(function() { Cu.cloneInto({ a: document }, sandbox); }, + 'Reflectors should not be wrapped by default'); + + var withReflectors = Cu.cloneInto({ doc: document, win: window }, sandbox, + { wrapReflectors: true }); + is(Cu.unwaiveXrays(Cu.waiveXrays(withReflectors).doc), document, "Document passes"); + is(Cu.unwaiveXrays(Cu.waiveXrays(withReflectors).win), window, "Window passes"); + + + checkThrows(function() { Cu.evalInSandbox('cloneInto({}, sandbox)', sandbox2); }, + 'CloneInto should only work on less privileged target scopes.', + /denied|insecure/); + + var cloneTarget = new Cu.Sandbox("https://example.com"); + var sameOriginSB = new Cu.Sandbox("https://example.com", { wantGlobalProperties: ['XMLHttpRequest'] }); + var crossOriginSB = new Cu.Sandbox("https://example.net", { wantGlobalProperties: ['XMLHttpRequest'] }); + sandbox2.cloneTarget = cloneTarget; + sandbox2.soXHR = Cu.evalInSandbox('new XMLHttpRequest()', sameOriginSB); + sandbox2.xoXHR = Cu.evalInSandbox('new XMLHttpRequest()', crossOriginSB); + sandbox2.chromeDoc = document; + Cu.evalInSandbox('function tryToClone(x) { return cloneInto({val: x}, cloneTarget, { wrapReflectors: true }).val; }', sandbox2); + is(Cu.evalInSandbox('tryToClone(soXHR)', sandbox2), sandbox2.soXHR, 'Same-origin wrapReflectors works'); + checkThrows(function() { Cu.evalInSandbox('tryToClone(chromeDoc)', sandbox2); }, + 'wrapReflectors may not wrap cross-origin reflectors', /unsupported value type/); + + + var test = { a() { return 42; } }; + cloneAndTestWithFunctions(test); + + // Check that inputs are properly passed through cloned functions: + test = { a(obj) { return obj; } }; + var clonedTest = Cu.cloneInto(test, sandbox, {cloneFunctions: true}); + var testInput = {}; + is(clonedTest.a(testInput), testInput, "Objects should be identical"); + ]]> + </script> +</window> |