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// Copyright 2022 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
function testAssertNotEquals(a, b) {
let impl = (a, b) => {
assertNotEquals(a, b);
try {
assertEquals(a, b);
} catch (e) {
return;
}
throw new Error('assertEquals did not throw');
};
// Test in both directions.
impl(a, b);
impl(b, a);
}
function testAssertEquals(a, b) {
let impl = (a, b) => {
assertEquals(a, b);
try {
assertNotEquals(a, b);
} catch (e) {
return;
}
throw new Error('assertNotEquals did not throw');
};
// Test in both directions.
impl(a, b);
impl(b, a);
}
(function TestAssertEqualsNonEnumerableProperty() {
let a = {};
assertTrue(Reflect.defineProperty(a, 'prop', {value: 1}));
testAssertNotEquals({}, a);
// Both objects are treated as equal if they have the same properties
// with the same values independent of the property's enumerability.
testAssertEquals({prop: 1}, a);
testAssertNotEquals({prop: 2}, a);
})();
(function TestAssertEqualsPropertyOrder() {
// Test that property order does not matter.
let a = {};
a.x = 1;
a.y = 2;
let b = {};
b.y = 2;
b.x = 1;
testAssertEquals(a, b);
})();
(function TestAssertEqualsPropertyDifferentName() {
testAssertNotEquals({a: 1, b: 2}, {a: 1, c: 2});
testAssertNotEquals({a: 1, b: undefined}, {a: 1, c: undefined});
})();
(function TestAssertEqualsArrays() {
let arr = new Array();
arr.push(...[1, 2, 3]);
assertNotSame([1, 2, 3], arr);
testAssertEquals([1, 2, 3], arr);
testAssertNotEquals([1, 2, 3, 4], arr);
testAssertNotEquals([1, 2, -3], arr);
testAssertNotEquals([1, 3, 2], arr);
// Array length matters, even with empty elements
testAssertEquals(new Array(1), new Array(1));
testAssertNotEquals(new Array(1), new Array(2));
testAssertEquals([,,], new Array(2));
// The difference between empty and undefined is not ignored.
testAssertNotEquals([undefined], new Array(1));
})();
(function TestAssertEqualsArraysNested() {
let arr = new Array();
arr.push(...[1, 2, new Array(3, 4, 5)]);
assertNotSame([1, 2, [3, 4, 5]], arr);
testAssertEquals([1, 2, [3, 4, 5]], arr);
})();
(function TestAssertEqualsArrayProperties() {
// Array properties are ignored.
let arrWithProp = new Array();
arrWithProp.myProperty = 'Additional property';
testAssertEquals([], arrWithProp);
})();
(function TestAssertEqualsArrayObject() {
// An array isn't treated as equal to an equivalent object.
let obj = {0: 1, 1: 2};
Object.defineProperty(obj, 'length', {value: 2});
Object.setPrototypeOf(obj, Array.prototype);
testAssertNotEquals(obj , [1, 2]);
testAssertNotEquals([1, 2], obj);
})();
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