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+<!-- Any copyright is dedicated to the Public Domain.
+- http://creativecommons.org/publicdomain/zero/1.0/ -->
+<!DOCTYPE HTML>
+<html>
+<head>
+<title>Test Observable Array Type</title>
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<script>
+/* global TestInterfaceObservableArray */
+
+add_task(async function init() {
+ await SpecialPowers.pushPrefEnv({set: [["dom.expose_test_interfaces", true]]});
+});
+
+add_task(function testObservableArray_length() {
+ let setCallbackCount = 0;
+ let deleteCallbackCount = 0;
+ let deleteCallbackTests = null;
+
+ let m = new TestInterfaceObservableArray({
+ setBooleanCallback(value, index) {
+ setCallbackCount++;
+ },
+ deleteBooleanCallback(value, index) {
+ deleteCallbackCount++;
+ if (typeof deleteCallbackTests === 'function') {
+ deleteCallbackTests(value, index);
+ }
+ },
+ });
+ m.observableArrayBoolean = [true, true, true, true, true];
+
+ let b = m.observableArrayBoolean;
+ ok(Array.isArray(b), "observable array should be an array type");
+ is(b.length, 5, "length of observable array should be 5");
+
+ [
+ // [length, shouldThrow, expectedResult]
+ ["invalid", true, false],
+ [b.length + 1, false, false],
+ [b.length, false, true],
+ [b.length - 1, false, true],
+ [0, false, true],
+ ].forEach(function([length, shouldThrow, expectedResult]) {
+ // Initialize
+ let oldValues = b.slice();
+ let oldLen = b.length;
+ let shouldSuccess = !shouldThrow && expectedResult;
+ setCallbackCount = 0;
+ deleteCallbackCount = 0;
+ deleteCallbackTests = null;
+ if (shouldSuccess) {
+ let deleteCallbackIndex = b.length - 1;
+ deleteCallbackTests = function(_value, _index) {
+ info(`delete callback for ${_index}`);
+ is(_value, oldValues[deleteCallbackIndex], "deleteCallbackTests: test value argument");
+ is(_index, deleteCallbackIndex, "deleteCallbackTests: test index argument");
+ deleteCallbackIndex--;
+ };
+ }
+
+ // Test
+ info(`setting length to ${length}`);
+ try {
+ b.length = length;
+ ok(!shouldThrow, `setting length should throw`);
+ } catch(e) {
+ ok(shouldThrow, `setting length throws ${e}`);
+ }
+ is(setCallbackCount, 0, "setCallback should not be called");
+ is(deleteCallbackCount, shouldSuccess ? (oldLen - length) : 0, "deleteCallback count");
+ isDeeply(b, shouldSuccess ? oldValues.slice(0, length) : oldValues, "property values");
+ is(b.length, shouldSuccess ? length : oldLen, `length of observable array`);
+ });
+});
+
+add_task(function testObservableArray_length_callback_throw() {
+ let setCallbackCount = 0;
+ let deleteCallbackCount = 0;
+
+ let m = new TestInterfaceObservableArray({
+ setBooleanCallback(value, index) {
+ setCallbackCount++;
+ },
+ deleteBooleanCallback(value, index) {
+ deleteCallbackCount++;
+ if (value) {
+ throw new Error("deleteBooleanCallback");
+ }
+ },
+ });
+ m.observableArrayBoolean = [true, true, false, false, false];
+
+ let b = m.observableArrayBoolean;
+ ok(Array.isArray(b), "observable array should be an array type");
+ is(b.length, 5, "length of observable array should be 5");
+
+ // Initialize
+ setCallbackCount = 0;
+ deleteCallbackCount = 0;
+
+ // Test
+ info(`setting length to 0`);
+ try {
+ b.length = 0;
+ ok(false, `setting length should throw`);
+ } catch(e) {
+ ok(true, `setting length throws ${e}`);
+ }
+ is(setCallbackCount, 0, "setCallback should not be called");
+ is(deleteCallbackCount, 4, "deleteCallback should be called");
+ isDeeply(b, [true, true], "property values");
+ is(b.length, 2, `length of observable array`);
+});
+
+add_task(function testObservableArray_setter() {
+ let setCallbackCount = 0;
+ let deleteCallbackCount = 0;
+ let setCallbackTests = null;
+ let deleteCallbackTests = null;
+
+ let m = new TestInterfaceObservableArray({
+ setBooleanCallback(value, index) {
+ setCallbackCount++;
+ if (typeof setCallbackTests === 'function') {
+ setCallbackTests(value, index);
+ }
+ },
+ deleteBooleanCallback(value, index) {
+ deleteCallbackCount++;
+ if (typeof deleteCallbackTests === 'function') {
+ deleteCallbackTests(value, index);
+ }
+ },
+ });
+
+ let b = m.observableArrayBoolean;
+ ok(Array.isArray(b), "observable array should be an array type");
+ is(b.length, 0, "length of observable array should be 0");
+
+ [
+ // [values, shouldThrow]
+ ["invalid", true],
+ [[1,[],{},"invalid"], false],
+ [[0,NaN,null,undefined,""], false],
+ [[true,true], false],
+ [[false,false,false], false],
+ ].forEach(function([values, shouldThrow]) {
+ // Initialize
+ let oldValues = b.slice();
+ let oldLen = b.length;
+ setCallbackCount = 0;
+ deleteCallbackCount = 0;
+ setCallbackTests = null;
+ deleteCallbackTests = null;
+ if (!shouldThrow) {
+ let setCallbackIndex = 0;
+ setCallbackTests = function(_value, _index) {
+ info(`set callback for ${_index}`);
+ is(_value, !!values[setCallbackIndex], "setCallbackTests: test value argument");
+ is(_index, setCallbackIndex, "setCallbackTests: test index argument");
+ setCallbackIndex++;
+ };
+
+ let deleteCallbackIndex = b.length - 1;
+ deleteCallbackTests = function(_value, _index) {
+ info(`delete callback for ${_index}`);
+ is(_value, oldValues[deleteCallbackIndex], "deleteCallbackTests: test value argument");
+ is(_index, deleteCallbackIndex, "deleteCallbackTests: test index argument");
+ deleteCallbackIndex--;
+ };
+ }
+
+ // Test
+ info(`setting value to ${JSON.stringify(values)}`);
+ try {
+ m.observableArrayBoolean = values;
+ ok(!shouldThrow, `setting value should not throw`);
+ } catch(e) {
+ ok(shouldThrow, `setting value throws ${e}`);
+ }
+ is(setCallbackCount, shouldThrow ? 0 : values.length, "setCallback count");
+ is(deleteCallbackCount, oldLen, "deleteCallback should be called");
+ isDeeply(b, shouldThrow ? [] : values.map(v => !!v), "property values");
+ is(b.length, shouldThrow ? 0 : values.length, `length of observable array`);
+ });
+});
+
+add_task(function testObservableArray_setter_invalid_item() {
+ let setCallbackCount = 0;
+ let deleteCallbackCount = 0;
+ let setCallbackTests = null;
+ let deleteCallbackTests = null;
+
+ let m = new TestInterfaceObservableArray({
+ setInterfaceCallback(value, index) {
+ setCallbackCount++;
+ if (typeof setCallbackTests === 'function') {
+ setCallbackTests(value, index);
+ }
+ },
+ deleteInterfaceCallback(value, index) {
+ deleteCallbackCount++;
+ if (typeof deleteCallbackTests === 'function') {
+ deleteCallbackTests(value, index);
+ }
+ },
+ });
+
+ let b = m.observableArrayInterface;
+ ok(Array.isArray(b), "observable array should be an array type");
+ is(b.length, 0, "length of observable array should be 0");
+
+ [
+ // [values, shouldThrow]
+ [[m,m,m,m], false],
+ [["invalid"], true],
+ [[m,m], false],
+ [[m,"invalid"], true],
+ [[m,m,m], false],
+ ].forEach(function([values, shouldThrow]) {
+ // Initialize
+ let oldValues = b.slice();
+ let oldLen = b.length;
+ let setCallbackIndex = 0;
+ setCallbackTests = function(_value, _index) {
+ info(`set callback for ${_index}`);
+ is(_value, values[setCallbackIndex], "setCallbackTests: test value argument");
+ is(_index, setCallbackIndex, "setCallbackTests: test index argument");
+ setCallbackIndex++;
+ };
+ let deleteCallbackIndex = b.length - 1;
+ deleteCallbackTests = function(_value, _index) {
+ info(`delete callback for ${_index}`);
+ is(_value, oldValues[deleteCallbackIndex], "deleteCallbackTests: test value argument");
+ is(_index, deleteCallbackIndex, "deleteCallbackTests: test index argument");
+ deleteCallbackIndex--;
+ };
+ setCallbackCount = 0;
+ deleteCallbackCount = 0;
+
+ // Test
+ info(`setting value to ${values}`);
+ try {
+ m.observableArrayInterface = values;
+ ok(!shouldThrow, `setting value should not throw`);
+ } catch(e) {
+ ok(shouldThrow, `setting value throws ${e}`);
+ }
+ is(setCallbackCount, shouldThrow ? 0 : values.length, "setCallback count");
+ is(deleteCallbackCount, shouldThrow ? 0 : oldLen, "deleteCallback should be called");
+ isDeeply(b, shouldThrow ? oldValues : values, "property values");
+ is(b.length, shouldThrow ? oldLen : values.length, `length of observable array`);
+ });
+});
+
+add_task(function testObservableArray_setter_callback_throw() {
+ let setCallbackCount = 0;
+ let deleteCallbackCount = 0;
+
+ let m = new TestInterfaceObservableArray({
+ setBooleanCallback(value, index) {
+ setCallbackCount++;
+ if (index >= 3) {
+ throw new Error("setBooleanCallback");
+ }
+ },
+ deleteBooleanCallback(value, index) {
+ deleteCallbackCount++;
+ if (value) {
+ throw new Error("deleteBooleanCallback");
+ }
+ },
+ });
+ m.observableArrayBoolean = [false, false, false];
+
+ let b = m.observableArrayBoolean;
+ ok(Array.isArray(b), "observable array should be an array type");
+ is(b.length, 3, "length of observable array should be 3");
+
+ [
+ // [values, shouldThrow, expectedLength, expectedSetCbCount, expectedDeleteCbCount]
+ [[false,false], false, 2, 2, 3],
+ [[false,true,false,false], true, 3, 4, 2],
+ [[false,false,true], true, 2, 0, 2],
+ ].forEach(function([values, shouldThrow, expectedLength, expectedSetCbCount,
+ expectedDeleteCbCount]) {
+ // Initialize
+ setCallbackCount = 0;
+ deleteCallbackCount = 0;
+
+ // Test
+ info(`setting value to ${values}`);
+ try {
+ m.observableArrayBoolean = values;
+ ok(!shouldThrow, `setting value should not throw`);
+ } catch(e) {
+ ok(shouldThrow, `setting length throws ${e}`);
+ }
+ is(setCallbackCount, expectedSetCbCount, "setCallback should be called");
+ is(deleteCallbackCount, expectedDeleteCbCount, "deleteCallback should be called");
+ is(b.length, expectedLength, `length of observable array`);
+ });
+});
+
+add_task(function testObservableArray_indexed_setter() {
+ let setCallbackCount = 0;
+ let deleteCallbackCount = 0;
+ let setCallbackTests = null;
+ let deleteCallbackTests = null;
+
+ let m = new TestInterfaceObservableArray({
+ setBooleanCallback(value, index) {
+ setCallbackCount++;
+ if (typeof setCallbackTests === 'function') {
+ setCallbackTests(value, index);
+ }
+ },
+ deleteBooleanCallback(value, index) {
+ deleteCallbackCount++;
+ if (typeof deleteCallbackTests === 'function') {
+ deleteCallbackTests(value, index);
+ }
+ },
+ });
+
+ let b = m.observableArrayBoolean;
+ ok(Array.isArray(b), "observable array should be an array type");
+ is(b.length, 0, "length of observable array should be 0");
+
+ [
+ // [index, value, expectedResult]
+ [b.length + 1, false, false],
+ [b.length, false, true],
+ [b.length + 1, false, true],
+ [b.length + 1, true, true],
+ ].forEach(function([index, value, expectedResult]) {
+ // Initialize
+ let oldValue = b[index];
+ let oldLen = b.length;
+ setCallbackCount = 0;
+ deleteCallbackCount = 0;
+ setCallbackTests = function(_value, _index) {
+ info(`set callback for ${_index}`);
+ is(_value, value, "setCallbackTests: test value argument");
+ is(_index, index, "setCallbackTests: test index argument");
+ };
+ deleteCallbackTests = function(_value, _index) {
+ info(`delete callback for ${_index}`);
+ is(_value, oldValue, "deleteCallbackTests: test value argument");
+ is(_index, index, "deleteCallbackTests: test index argument");
+ };
+
+ // Test
+ info(`setting value of property ${index} to ${value}`);
+ try {
+ b[index] = value;
+ ok(true, `setting value should not throw`);
+ } catch(e) {
+ ok(false, `setting value throws ${e}`);
+ }
+ is(setCallbackCount, expectedResult ? 1 : 0, "setCallback should be called");
+ is(deleteCallbackCount, (oldLen > index) ? 1 : 0, "deleteCallback should be called");
+ is(b[index], expectedResult ? value : oldValue, `property value`);
+ is(b.length, expectedResult ? Math.max(oldLen, index + 1) : oldLen, `length of observable array`);
+ });
+});
+
+add_task(function testObservableArray_indexed_setter_invalid() {
+ let setCallbackCount = 0;
+ let deleteCallbackCount = 0;
+ let setCallbackTests = null;
+ let deleteCallbackTests = null;
+
+ let m = new TestInterfaceObservableArray({
+ setInterfaceCallback(value, index) {
+ setCallbackCount++;
+ if (typeof setCallbackTests === 'function') {
+ setCallbackTests(value, index);
+ }
+ },
+ deleteInterfaceCallback(value, index) {
+ deleteCallbackCount++;
+ if (typeof deleteCallbackTests === 'function') {
+ deleteCallbackTests(value, index);
+ }
+ },
+ });
+
+ let b = m.observableArrayInterface;
+ ok(Array.isArray(b), "observable array should be an array type");
+ is(b.length, 0, "length of observable array should be 0");
+
+ [
+ // [index, value, shouldThrow]
+ [b.length, "invalid", true],
+ [b.length, m, false],
+ [b.length + 1, m, false],
+ [b.length + 1, "invalid", true],
+ ].forEach(function([index, value, shouldThrow]) {
+ // Initialize
+ let oldValue = b[index];
+ let oldLen = b.length;
+ setCallbackCount = 0;
+ deleteCallbackCount = 0;
+ setCallbackTests = function(_value, _index) {
+ info(`set callback for ${_index}`);
+ is(_value, value, "setCallbackTests: test value argument");
+ is(_index, index, "setCallbackTests: test index argument");
+ };
+ deleteCallbackTests = function(_value, _index) {
+ info(`delete callback for ${_index}`);
+ is(_value, oldValue, "deleteCallbackTests: test value argument");
+ is(_index, index, "deleteCallbackTests: test index argument");
+ };
+
+ // Test
+ info(`setting value of property ${index} to ${value}`);
+ try {
+ b[index] = value;
+ ok(!shouldThrow, `setting value should not throw`);
+ } catch(e) {
+ ok(shouldThrow, `setting value throws ${e}`);
+ }
+ is(setCallbackCount, shouldThrow ? 0 : 1, "setCallback count");
+ is(deleteCallbackCount, ((oldLen > index) && !shouldThrow) ? 1 : 0, "deleteCallback count");
+ is(b[index], shouldThrow ? oldValue : value, `property value`);
+ is(b.length, shouldThrow ? oldLen : Math.max(oldLen, index + 1), `length of observable array`);
+ });
+});
+
+add_task(function testObservableArray_indexed_setter_callback_throw() {
+ let setCallbackCount = 0;
+ let deleteCallbackCount = 0;
+
+ let m = new TestInterfaceObservableArray({
+ setBooleanCallback(value, index) {
+ setCallbackCount++;
+ if (value) {
+ throw new Error("setBooleanCallback");
+ }
+ },
+ deleteBooleanCallback(value, index) {
+ deleteCallbackCount++;
+ if (index < 2) {
+ throw new Error("deleteBooleanCallback");
+ }
+ },
+ });
+ m.observableArrayBoolean = [false, false, false];
+
+ let b = m.observableArrayBoolean;
+ ok(Array.isArray(b), "observable array should be an array type");
+ is(b.length, 3, "length of observable array should be 3");
+
+ [
+ // [index, value, shouldThrow]
+ [b.length, true, true],
+ [b.length, false, false],
+ [b.length, true, true],
+ [0, false, true],
+ [0, true, true]
+ ].forEach(function([index, value, shouldThrow]) {
+ // Initialize
+ let oldValue = b[index];
+ let oldLen = b.length;
+ setCallbackCount = 0;
+ deleteCallbackCount = 0;
+
+ // Test
+ info(`setting value of property ${index} to ${value}`);
+ try {
+ b[index] = value;
+ ok(!shouldThrow, `setting value should not throw`);
+ } catch(e) {
+ ok(shouldThrow, `setting value throws ${e}`);
+ }
+ is(setCallbackCount, (shouldThrow && index < 2) ? 0 : 1, "setCallback should be called");
+ is(deleteCallbackCount, (oldLen > index) ? 1 : 0, "deleteCallback should be called");
+ is(b[index], shouldThrow ? oldValue : value, "property value");
+ is(b.length, shouldThrow ? oldLen : Math.max(oldLen, index + 1), `length of observable array`);
+ });
+});
+
+add_task(function testObservableArray_object() {
+ let setCallbackCount = 0;
+ let deleteCallbackCount = 0;
+ let callbackIndex = 0;
+
+ let values = [
+ {property1: false, property2: "property2"},
+ {property1: [], property2: 2},
+ ];
+
+ let m = new TestInterfaceObservableArray({
+ setObjectCallback(value, index) {
+ setCallbackCount++;
+ is(index, callbackIndex++, "setCallbackTests: test index argument");
+ isDeeply(values[index], value, "setCallbackTests: test value argument");
+ },
+ deleteObjectCallback(value, index) {
+ deleteCallbackCount++;
+ },
+ });
+
+ m.observableArrayObject = values;
+
+ let b = m.observableArrayObject;
+ ok(Array.isArray(b), "observable array should be an array type");
+ is(b.length, 2, "length of observable array should be 2");
+ is(setCallbackCount, values.length, "setCallback should be called");
+ is(deleteCallbackCount, 0, "deleteCallback should not be called");
+
+ for(let i = 0; i < values.length; i++) {
+ isDeeply(values[i], b[i], `check index ${i}`);
+ }
+});
+
+add_task(function testObservableArray_xrays() {
+ let m = new TestInterfaceObservableArray({
+ setObjectCallback(value, index) {
+ ok(false, "Shouldn't reach setObjectCallback");
+ },
+ deleteObjectCallback(value, index) {
+ ok(false, "Shouldn't reach deleteObjectCallback");
+ },
+ });
+
+ let wrapper = SpecialPowers.wrap(m);
+ ok(SpecialPowers.Cu.isXrayWrapper(wrapper), "Should be a wrapper");
+ let observableArray = wrapper.observableArrayBoolean;
+ ok(!!observableArray, "Should not throw");
+ is("length" in observableArray, false, "Should be opaque");
+
+ try {
+ wrapper.observableArrayBoolean = [true, false, false];
+ ok(false, "Expected to throw, for now");
+ } catch (ex) {}
+});
+
+</script>
+</body>
+</html>