The Tor Browser: comparison js/xpconnect/tests/unit/test_params.js

comparison: js/xpconnect/tests/unit/test_params.js

js/xpconnect/tests/unit/test_params.js

branch: TOR_BUG_3246
changeset 7: 129ffea94266

equal deleted inserted replaced

--1:000000000000
+:74a8b1b5826a
+/* This Source Code Form is subject to the terms of the Mozilla Public
+* License, v. 2.0. If a copy of the MPL was not distributed with this
+* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+function run_test() {
+// Load the component manifests.
+Components.manager.autoRegister(do_get_file('../components/native/xpctest.manifest'));
+Components.manager.autoRegister(do_get_file('../components/js/xpctest.manifest'));
+// Test for each component.
+test_component("@mozilla.org/js/xpc/test/native/Params;1");
+test_component("@mozilla.org/js/xpc/test/js/Params;1");
+}
+function test_component(contractid) {
+// Instantiate the object.
+var o = Cc[contractid].createInstance(Ci["nsIXPCTestParams"]);
+// Possible comparator functions.
+var standardComparator = function(a,b) {return a == b;};
+var dotEqualsComparator = function(a,b) {return a.equals(b); }
+var fuzzComparator = function(a,b) {return Math.abs(a - b) < 0.1;};
+var interfaceComparator = function(a,b) {return a.name == b.name; }
+var arrayComparator = function(innerComparator) {
+return function(a,b) {
+if (a.length != b.length)
+return false;
+for (var i = 0; i < a.length; ++i)
+if (!innerComparator(a[i], b[i]))
+return false;
+return true;
+};
+};
+// Helper test function - takes the name of test method and two values of
+// the given type.
+//
+// The optional comparator argument can be used for alternative notions of
+// equality. The comparator should return true on equality.
+function doTest(name, val1, val2, comparator) {
+if (!comparator)
+comparator = standardComparator;
+var a = val1;
+var b = {value: val2};
+var rv = o[name].call(o, a, b);
+do_check_true(comparator(rv, val2));
+do_check_true(comparator(val1, b.value));
+};
+function doIsTest(name, val1, val1Is, val2, val2Is, valComparator, isComparator) {
+if (!isComparator)
+isComparator = standardComparator;
+var a = val1;
+var aIs = val1Is;
+var b = {value: val2};
+var bIs = {value: val2Is};
+var rvIs = {};
+var rv = o[name].call(o, aIs, a, bIs, b, rvIs);
+do_check_true(valComparator(rv, val2));
+do_check_true(isComparator(rvIs.value, val2Is));
+do_check_true(valComparator(val1, b.value));
+do_check_true(isComparator(val1Is, bIs.value));
+}
+// Special-purpose function for testing arrays of iid_is interfaces, where we
+// have 2 distinct sets of dependent parameters.
+function doIs2Test(name, val1, val1Size, val1IID, val2, val2Size, val2IID) {
+var a = val1;
+var aSize = val1Size;
+var aIID = val1IID;
+var b = {value: val2};
+var bSize = {value: val2Size};
+var bIID = {value: val2IID};
+var rvSize = {};
+var rvIID = {};
+var rv = o[name].call(o, aSize, aIID, a, bSize, bIID, b, rvSize, rvIID);
+do_check_true(arrayComparator(interfaceComparator)(rv, val2));
+do_check_true(standardComparator(rvSize.value, val2Size));
+do_check_true(dotEqualsComparator(rvIID.value, val2IID));
+do_check_true(arrayComparator(interfaceComparator)(val1, b.value));
+do_check_true(standardComparator(val1Size, bSize.value));
+do_check_true(dotEqualsComparator(val1IID, bIID.value));
+}
+// Check that the given call (type mismatch) results in an exception being thrown.
+function doTypedArrayMismatchTest(name, val1, val1Size, val2, val2Size) {
+var comparator = arrayComparator(standardComparator);
+var error = false;
+try {
+doIsTest(name, val1, val1Size, val2, val2Size, comparator);
+// An exception was not thrown as would have been expected.
+do_check_true(false);
+}
+catch (e) {
+// An exception was thrown as expected.
+do_check_true(true);
+}
+}
+// Workaround for bug 687612 (inout parameters broken for dipper types).
+// We do a simple test of copying a into b, and ignore the rv.
+function doTestWorkaround(name, val1) {
+var a = val1;
+var b = {value: ""};
+o[name].call(o, a, b);
+do_check_eq(val1, b.value);
+}
+// Test all the different types
+doTest("testBoolean", true, false);
+doTest("testOctet", 4, 156);
+doTest("testShort", -456, 1299);
+doTest("testLong", 50060, -12121212);
+doTest("testLongLong", 12345, -10000000000);
+doTest("testUnsignedShort", 1532, 65000);
+doTest("testUnsignedLong", 0, 4000000000);
+doTest("testUnsignedLongLong", 215435, 3453492580348535809);
+doTest("testFloat", 4.9, -11.2, fuzzComparator);
+doTest("testDouble", -80.5, 15000.2, fuzzComparator);
+doTest("testChar", "a", "2");
+doTest("testString", "someString", "another string");
+doTest("testWstring", "Why wasnt this", "turned on before? ಠ_ಠ");
+doTest("testWchar", "z", "ア");
+doTestWorkaround("testDOMString", "Beware: ☠ s");
+doTestWorkaround("testAString", "Frosty the ☃ ;-)");
+doTestWorkaround("testAUTF8String", "We deliver 〠!");
+doTestWorkaround("testACString", "Just a regular C string.");
+doTest("testJsval", {aprop: 12, bprop: "str"}, 4.22);
+// Helpers to instantiate various test XPCOM objects.
+var numAsMade = 0;
+function makeA() {
+var a = Cc["@mozilla.org/js/xpc/test/js/InterfaceA;1"].createInstance(Ci['nsIXPCTestInterfaceA']);
+a.name = 'testA' + numAsMade++;
+return a;
+};
+var numBsMade = 0;
+function makeB() {
+var b = Cc["@mozilla.org/js/xpc/test/js/InterfaceB;1"].createInstance(Ci['nsIXPCTestInterfaceB']);
+b.name = 'testB' + numBsMade++;
+return b;
+};
+// Test arrays.
+doIsTest("testShortArray", [2, 4, 6], 3, [1, 3, 5, 7], 4, arrayComparator(standardComparator));
+doIsTest("testDoubleArray", [-10, -0.5], 2, [1, 3, 1e11, -8e-5 ], 4, arrayComparator(fuzzComparator));
+doIsTest("testStringArray", ["mary", "hat", "hey", "lid", "tell", "lam"], 6,
+["ids", "fleas", "woes", "wide", "has", "know", "!"], 7, arrayComparator(standardComparator));
+doIsTest("testWstringArray", ["沒有語言", "的偉大嗎?]"], 2,
+["we", "are", "being", "sooo", "international", "right", "now"], 7, arrayComparator(standardComparator));
+doIsTest("testInterfaceArray", [makeA(), makeA()], 2,
+[makeA(), makeA(), makeA(), makeA(), makeA(), makeA()], 6, arrayComparator(interfaceComparator));
+// Test typed arrays and ArrayBuffer aliasing.
+var arrayBuffer = new ArrayBuffer(16);
+var int16Array = new Int16Array(arrayBuffer, 2, 3);
+int16Array.set([-32768, 0, 32767]);
+doIsTest("testShortArray", int16Array, 3, new Int16Array([1773, -32768, 32767, 7]), 4, arrayComparator(standardComparator));
+doIsTest("testDoubleArray", new Float64Array([-10, -0.5]), 2, new Float64Array([0, 3.2, 1.0e10, -8.33 ]), 4, arrayComparator(fuzzComparator));
+// Test sized strings.
+var ssTests = ["Tis not possible, I muttered", "give me back my free hardcore!", "quoth the server:", "4〠4"];
+doIsTest("testSizedString", ssTests[0], ssTests[0].length, ssTests[1], ssTests[1].length, standardComparator);
+doIsTest("testSizedWstring", ssTests[2], ssTests[2].length, ssTests[3], ssTests[3].length, standardComparator);
+// Test iid_is.
+doIsTest("testInterfaceIs", makeA(), Ci['nsIXPCTestInterfaceA'],
+makeB(), Ci['nsIXPCTestInterfaceB'],
+interfaceComparator, dotEqualsComparator);
+// Test arrays of iids.
+doIs2Test("testInterfaceIsArray", [makeA(), makeA(), makeA(), makeA(), makeA()], 5, Ci['nsIXPCTestInterfaceA'],
+[makeB(), makeB(), makeB()], 3, Ci['nsIXPCTestInterfaceB']);
+// Test incorrect (too big) array size parameter; this should throw NOT_ENOUGH_ELEMENTS.
+doTypedArrayMismatchTest("testShortArray", new Int16Array([-3, 7, 4]), 4,
+new Int16Array([1, -32, 6]), 3);
+// Test type mismatch (int16 <-> uint16); this should throw BAD_CONVERT_JS.
+doTypedArrayMismatchTest("testShortArray", new Uint16Array([0, 7, 4, 3]), 4,
+new Uint16Array([1, 5, 6]), 3);
+}