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Test Info: Warnings
- This test gets skipped with pattern: !debug
- Manifest: dom/bindings/test/mochitest.toml
<!-- Any copyright is dedicated to the Public Domain.
<!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() {
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() {
setCallbackCount++;
},
deleteBooleanCallback(value) {
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) {
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) {
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() {
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() {
ok(false, "Shouldn't reach setObjectCallback");
},
deleteObjectCallback() {
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>