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<title>Test Maplike Interface</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
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/* global TestInterfaceMaplike, TestInterfaceSetlike, TestInterfaceMaplikeObject, TestInterfaceMaplikeJSObject*/
SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPrefEnv({set: [["dom.expose_test_interfaces", true]]}, function() { var base_properties = [["has", "function", 1],
["entries", "function", 0],
["keys", "function", 0],
["values", "function", 0],
["forEach", "function", 1],
["size", "number"]]; var maplike_properties = base_properties.concat([["set", "function", 2]]); var rw_properties = [["clear", "function", 0],
["delete", "function", 1]]; var setlike_rw_properties = base_properties.concat(rw_properties).concat([["add", "function", 1]]); var maplike_rw_properties = maplike_properties.concat(rw_properties).concat([["get", "function", 1]]); var testExistence = function testExistence(prefix, obj, properties) {
for (var [name, type, args] of properties) {
// Properties are somewhere up the proto chain, hasOwnProperty won't work
isnot(obj[name], undefined,
`${prefix} object has property ${name}`);
is(typeof obj[name], type,
`${prefix} object property ${name} is a ${type}`);
// Check function length
if (type == "function") {
is(obj[name].length, args,
`${prefix} object property ${name} is length ${args}`);
is(obj[name].name, name,
`${prefix} object method name is ${name}`);
}
// Find where property is on proto chain, check for enumerablility there. var owner = obj;
while (owner) { var propDesc = Object.getOwnPropertyDescriptor(owner, name);
if (propDesc) {
ok(propDesc.enumerable,
`${prefix} object property ${name} should be enumerable`);
break;
}
owner = Object.getPrototypeOf(owner);
}
}
};
var m; var testSet; var testIndex;
// Simple map creation and functionality test
info("SimpleMap: Testing simple map creation and functionality");
m = new TestInterfaceMaplike();
ok(m, "SimpleMap: got a TestInterfaceMaplike object");
testExistence("SimpleMap: ", m, maplike_rw_properties);
is(m.size, 0, "SimpleMap: size should be zero");
ok(!m.has("test"), "SimpleMap: maplike has should return false");
is(m.get("test"), undefined, "SimpleMap: maplike get should return undefined on bogus lookup"); var m1 = m.set("test", 1);
is(m, m1, "SimpleMap: return from set should be map object");
is(m.size, 1, "SimpleMap: size should be 1");
ok(m.has("test"), "SimpleMap: maplike has should return true");
is(m.get("test"), 1, "SimpleMap: maplike get should return value entered");
m.set("test2", 2);
is(m.size, 2, "SimpleMap: size should be 2");
testSet = [["test", 1], ["test2", 2]];
testIndex = 0;
m.forEach(function(v, k, o) { "use strict";
is(o, m, "SimpleMap: foreach obj is correct");
is(k, testSet[testIndex][0], "SimpleMap: foreach map key: " + k + " = " + testSet[testIndex][0]);
is(v, testSet[testIndex][1], "SimpleMap: foreach map value: " + v + " = " + testSet[testIndex][1]);
testIndex += 1;
});
is(testIndex, 2, "SimpleMap: foreach ran correct number of times");
ok(m.has("test2"), "SimpleMap: maplike has should return true");
is(m.get("test2"), 2, "SimpleMap: maplike get should return value entered");
is(m.delete("test2"), true, "SimpleMap: maplike deletion should return boolean");
is(m.size, 1, "SimpleMap: size should be 1"); var iterable = false;
for (let e of m) {
iterable = true;
is(e[0], "test", "SimpleMap: iterable first array element should be key");
is(e[1], 1, "SimpleMap: iterable second array element should be value");
}
is(m[Symbol.iterator].length, 0, "SimpleMap: @@iterator symbol is correct length");
is(m[Symbol.iterator].name, "entries", "SimpleMap: @@iterator symbol has correct name");
is(m[Symbol.iterator], m.entries, 'SimpleMap: @@iterator is an alias for "entries"');
ok(iterable, "SimpleMap: @@iterator symbol resolved correctly");
for (let k of m.keys()) {
is(k, "test", "SimpleMap: first keys element should be 'test'");
}
for (let v of m.values()) {
is(v, 1, "SimpleMap: first values elements should be 1");
}
for (let e of m.entries()) {
is(e[0], "test", "SimpleMap: entries first array element should be 'test'");
is(e[1], 1, "SimpleMap: entries second array element should be 1");
}
m.clear();
is(m.size, 0, "SimpleMap: size should be 0 after clear");
// Simple set creation and functionality test
info("SimpleSet: Testing simple set creation and functionality");
m = new TestInterfaceSetlike();
ok(m, "SimpleSet: got a TestInterfaceSetlike object");
testExistence("SimpleSet: ", m, setlike_rw_properties);
is(m.size, 0, "SimpleSet: size should be zero");
ok(!m.has("test"), "SimpleSet: maplike has should return false");
m1 = m.add("test");
is(m, m1, "SimpleSet: return from set should be map object");
is(m.size, 1, "SimpleSet: size should be 1");
ok(m.has("test"), "SimpleSet: maplike has should return true");
m.add("test2");
is(m.size, 2, "SimpleSet: size should be 2");
testSet = ["test", "test2"];
testIndex = 0;
m.forEach(function(v, k, o) { "use strict";
is(o, m, "SimpleSet: foreach obj is correct");
is(k, testSet[testIndex], "SimpleSet: foreach set key: " + k + " = " + testSet[testIndex]);
testIndex += 1;
});
is(testIndex, 2, "SimpleSet: foreach ran correct number of times");
ok(m.has("test2"), "SimpleSet: maplike has should return true");
is(m.delete("test2"), true, "SimpleSet: maplike deletion should return true");
is(m.size, 1, "SimpleSet: size should be 1");
iterable = false;
for (let e of m) {
iterable = true;
is(e, "test", "SimpleSet: iterable first array element should be key");
}
is(m[Symbol.iterator].length, 0, "SimpleSet: @@iterator symbol is correct length");
is(m[Symbol.iterator].name, "values", "SimpleSet: @@iterator symbol has correct name");
is(m[Symbol.iterator], m.values, 'SimpleSet: @@iterator is an alias for "values"');
ok(iterable, "SimpleSet: @@iterator symbol resolved correctly");
for (let k of m.keys()) {
is(k, "test", "SimpleSet: first keys element should be 'test'");
}
for (let v of m.values()) {
is(v, "test", "SimpleSet: first values elements should be 'test'");
}
for (let e of m.entries()) {
is(e[0], "test", "SimpleSet: Entries first array element should be 'test'");
is(e[1], "test", "SimpleSet: Entries second array element should be 'test'");
}
m.clear();
is(m.size, 0, "SimpleSet: size should be 0 after clear");
// Map convenience function test
info("Testing map convenience functions");
m = new TestInterfaceMaplike();
ok(m, "MapConvenience: got a TestInterfaceMaplike object");
is(m.size, 0, "MapConvenience: size should be zero");
ok(!m.hasInternal("test"), "MapConvenience: maplike hasInternal should return false");
// It's fine to let getInternal to return 0 if the key doesn't exist
// because this API can only be used internally in C++ and we'd throw
// an error if the key doesn't exist.
SimpleTest.doesThrow(() => m.getInternal("test"), 0, "MapConvenience: maplike getInternal should throw if the key doesn't exist");
m.setInternal("test", 1);
is(m.size, 1, "MapConvenience: size should be 1");
ok(m.hasInternal("test"), "MapConvenience: maplike hasInternal should return true");
is(m.get("test"), 1, "MapConvenience: maplike get should return value entered");
is(m.getInternal("test"), 1, "MapConvenience: maplike getInternal should return value entered");
m.setInternal("test2", 2);
is(m.size, 2, "size should be 2");
ok(m.hasInternal("test2"), "MapConvenience: maplike hasInternal should return true");
is(m.get("test2"), 2, "MapConvenience: maplike get should return value entered");
is(m.getInternal("test2"), 2, "MapConvenience: maplike getInternal should return value entered");
is(m.deleteInternal("test2"), true, "MapConvenience: maplike deleteInternal should return true");
is(m.size, 1, "MapConvenience: size should be 1");
m.clearInternal();
is(m.size, 0, "MapConvenience: size should be 0 after clearInternal");
// Map convenience function test using objects and readonly
info("Testing Map convenience function test using objects and readonly");
m = new TestInterfaceMaplikeObject();
ok(m, "ReadOnlyMapConvenience: got a TestInterfaceMaplikeObject object");
is(m.size, 0, "ReadOnlyMapConvenience: size should be zero");
is(m.set, undefined, "ReadOnlyMapConvenience: readonly map, should be no set function");
is(m.clear, undefined, "ReadOnlyMapConvenience: readonly map, should be no clear function");
is(m.delete, undefined, "ReadOnlyMapConvenience: readonly map, should be no delete function");
ok(!m.hasInternal("test"), "ReadOnlyMapConvenience: maplike hasInternal should return false");
SimpleTest.doesThrow(() => m.getInternal("test"), "ReadOnlyMapConvenience: maplike getInternal should throw when the key doesn't exist");
m.setInternal("test");
is(m.size, 1, "size should be 1");
ok(m.hasInternal("test"), "ReadOnlyMapConvenience: maplike hasInternal should return true");
ok(m.getInternal("test") instanceof TestInterfaceMaplike, "ReadOnlyMapConvenience: maplike getInternal should return the object");
m.setInternal("test2");
is(m.size, 2, "size should be 2");
ok(m.hasInternal("test2"), "ReadOnlyMapConvenience: maplike hasInternal should return true");
ok(m.getInternal("test2") instanceof TestInterfaceMaplike, "ReadOnlyMapConvenience: maplike getInternal should return the object");
is(m.deleteInternal("test2"), true, "ReadOnlyMapConvenience: maplike deleteInternal should return true");
is(m.size, 1, "ReadOnlyMapConvenience: size should be 1");
m.clearInternal();
is(m.size, 0, "ReadOnlyMapConvenience: size should be 0 after clearInternal");
// Map convenience function test using JavaScript objects
info("Testing Map convenience function test using javascript objects");
m = new TestInterfaceMaplikeJSObject();
ok(m, "JSObjectMapConvenience: got a TestInterfaceMaplikeJSObject object");
is(m.size, 0, "JSObjectMapConvenience: size should be zero");
is(m.set, undefined, "JSObjectMapConvenience: readonly map, should be no set function");
is(m.clear, undefined, "JSObjectMapConvenience: readonly map, should be no clear function");
is(m.delete, undefined, "JSObjectMapConvenience: readonly map, should be no delete function");
ok(!m.hasInternal("test"), "JSObjectMapConvenience: maplike hasInternal should return false");
SimpleTest.doesThrow(() => m.getInternal("test"), "JSObjectMapConvenience: maplike getInternal should throw when the key doesn't exist");
let testObject = {"Hey1": 1};
m.setInternal("test", testObject);
is(m.size, 1, "size should be 1");
ok(m.hasInternal("test"), "JSObjectMapConvenience: maplike hasInternal should return true");
let addedObject = m.getInternal("test");
is(addedObject, testObject, "JSObjectMapConvenience: maplike getInternal should return the object");
testObject = {"Hey2": 2};
m.setInternal("test2", testObject);
is(m.size, 2, "size should be 2");
ok(m.hasInternal("test2"), "JSObjectMapConvenience: maplike hasInternal should return true");
addedObject = m.getInternal("test2");
is(addedObject, testObject, "JSObjectMapConvenience: maplike getInternal should return the object");
is(m.deleteInternal("test2"), true, "JSObjectMapConvenience: maplike deleteInternal should return true");
is(m.size, 1, "JSObjectMapConvenience: size should be 1");
m.clearInternal();
is(m.size, 0, "JSObjectMapConvenience: size should be 0 after clearInternal");
// JS implemented map creation convenience function test
// Test this override for forEach
info("ForEachThisOverride: Testing this override for forEach");
m = new TestInterfaceMaplike();
m.set("test", 1);
m.forEach(function(v, k, o) { "use strict";
is(o, m, "ForEachThisOverride: foreach obj is correct");
is(this, 5, "ForEachThisOverride: 'this' value should be correct");
}, 5);
// Test defaulting arguments on maplike to undefined
info("MapArgsDefault: Testing maplike defaulting arguments to undefined");
m = new TestInterfaceMaplike();
m.set();
is(m.size, 1, "MapArgsDefault: should have 1 entry");
m.forEach(function(v, k) { "use strict";
is(typeof k, "string", "MapArgsDefault: key is a string");
is(k, "undefined", "MapArgsDefault: key is the string undefined");
is(v, 0, "MapArgsDefault: value is 0");
});
is(m.get(), 0, "MapArgsDefault: no argument to get() returns correct value");
m.delete();
is(m.size, 0, "MapArgsDefault: should have 0 entries");
// Test defaulting arguments on setlike to undefined
info("SetArgsDefault: Testing setlike defaulting arguments to undefined");
m = new TestInterfaceSetlike();
m.add();
is(m.size, 1, "SetArgsDefault: should have 1 entry");
m.forEach(function(v, k) { "use strict";
is(typeof k, "string", "SetArgsDefault: key is a string");
is(k, "undefined", "SetArgsDefault: key is the string undefined");
});
m.delete();
is(m.size, 0, "SetArgsDefault: should have 0 entries");
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