/* 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/. */
function TestParams() {
}
/* For once I'm happy that JS is weakly typed. */ function f(a, b) { var rv = b.value;
b.value = a; return rv;
};
/* Implementation for size_is and iid_is methods. */ function f_is(aIs, a, bIs, b, rvIs) {
// Set up the return value and its 'is' parameter. var rv = b.value;
rvIs.value = bIs.value;
// Set up b and its 'is' parameter.
b.value = a;
bIs.value = aIs;
return rv;
}
function f_size_and_iid(aSize, aIID, a, bSize, bIID, b, rvSize, rvIID) {
// Copy the iids.
rvIID.value = bIID.value;
bIID.value = aIID;
// Now that we've reduced the problem to one dependent variable, use f_is. return f_is(aSize, a, bSize, b, rvSize);
}
// Load the component manifests.
registerXPCTestComponents();
// Test for each component.
test_component(Cc["@mozilla.org/js/xpc/test/native/Params;1"].createInstance());
test_component(xpcWrap(new TestParams()));
}
function test_component(obj) { var o = obj.QueryInterface(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) { returnfunction(a,b) { if (a.length != b.length) returnfalse; for (var i = 0; i < a.length; ++i) if (!innerComparator(a[i], b[i])) returnfalse; returntrue;
};
};
// 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); Assert.ok(comparator(rv, val2)); Assert.ok(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); Assert.ok(valComparator(rv, val2)); Assert.ok(isComparator(rvIs.value, val2Is)); Assert.ok(valComparator(val1, b.value)); Assert.ok(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); Assert.ok(arrayComparator(interfaceComparator)(rv, val2)); Assert.ok(standardComparator(rvSize.value, val2Size)); Assert.ok(dotEqualsComparator(rvIID.value, val2IID)); Assert.ok(arrayComparator(interfaceComparator)(val1, b.value)); Assert.ok(standardComparator(val1Size, bSize.value)); Assert.ok(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. Assert.ok(false);
} catch (e) { // An exception was thrown as expected. Assert.ok(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); Assert.equal(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("testAString", "Frosty the ☃ ;-)");
doTestWorkaround("testAUTF8String", "We deliver 〠!");
doTestWorkaround("testACString", "Just a regular C string.");
doTest("testJsval", {aprop: 12, bprop: "str"}, 4.22);
// Test out dipper parameters, since they're special and we can't really test // inouts.
let outAString = {};
o.testOutAString(outAString); Assert.equal(outAString.value, "out"); try { o.testOutAString(undefined); } catch (e) {} // Don't crash try { o.testOutAString(null); } catch (e) {} // Don't crash try { o.testOutAString("string"); } catch (e) {} // Don't crash
// Helpers to instantiate various test XPCOM objects. var numAsMade = 0; function makeA() { var a = xpcWrap(new TestInterfaceA(), Ci.nsIXPCTestInterfaceA);
a.name = 'testA' + numAsMade++; return a;
}; var numBsMade = 0; function makeB() { var b = xpcWrap(new TestInterfaceB(), Ci.nsIXPCTestInterfaceB);
b.name = 'testB' + numBsMade++; return b;
};
// 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 optional array size. Assert.equal(o.testStringArrayOptionalSize(["some", "string", "array"]), "somestringarray");
// 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);
var ret = o.testOptionalSequence(); Assert.ok(Array.isArray(ret)); Assert.equal(ret.length, 0);
ret = o.testOptionalSequence([]); Assert.ok(Array.isArray(ret)); Assert.equal(ret.length, 0);
ret = o.testOptionalSequence([1, 2, 3]); Assert.ok(Array.isArray(ret)); Assert.equal(ret.length, 3);
let jsObj = new TestParams();
o.testOmittedOptionalOut(jsObj);
ret = {};
o.testOmittedOptionalOut(jsObj, ret); Assert.equal(ret.value.spec, "http://example.com/")
// Tests for large ArrayBuffers. var ab = null; try {
ab = new ArrayBuffer(4.5 * 1024 * 1024 * 1024); // 4.5 GB.
} catch (e) { // Large ArrayBuffers not available (32-bit or disabled).
} if (ab) { var uint8 = new Uint8Array(ab);
// Test length check in JSArray2Native. var ex = null; try {
o.testOptionalSequence(uint8);
} catch (e) {
ex = e;
} Assert.ok(ex.message.includes("Could not convert JavaScript argument arg 0"));
// Test length check for optional length argument in GetArraySizeFromParam.
ex = null; try {
o.testByteArrayOptionalLength(uint8);
} catch (e) {
ex = e;
} Assert.ok(ex.message.includes("Cannot convert JavaScript object into an array"));
// Smaller array views on the buffer are fine.
uint8 = new Uint8Array(ab, ab.byteLength - 3);
uint8[0] = 123; Assert.equal(uint8.byteLength, 3); Assert.equal(o.testOptionalSequence(uint8).toString(), "123,0,0"); Assert.equal(o.testByteArrayOptionalLength(uint8), 3);
}
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.