public void Equals() { ArrayExpression expr1 = new ArrayExpression(new IExpression[] { new ConstantExpression(1), new ConstantExpression(2) }); ArrayExpression expr2 = new ArrayExpression(new IExpression[] { new ConstantExpression(1), new ConstantExpression(2), new ConstantExpression(3) }); ArrayExpression expr3 = new ArrayExpression(new IExpression[] { new ConstantExpression(1), new ConstantExpression(3) }); ArrayExpression expr4 = new ArrayExpression(new IExpression[] { }); ArrayExpression expr5 = new ArrayExpression(new IExpression[] { new ConstantExpression(1), new ConstantExpression(2) }); Assert.IsTrue(expr1.Equals(expr5)); Assert.IsTrue(expr5.Equals(expr1)); Assert.AreEqual(expr1.GetHashCode(), expr5.GetHashCode()); Assert.IsFalse(expr1.Equals(null)); Assert.IsFalse(expr1.Equals(123)); Assert.IsFalse(expr1.Equals(expr2)); Assert.IsFalse(expr2.Equals(expr1)); Assert.IsFalse(expr1.Equals(expr3)); Assert.IsFalse(expr3.Equals(expr1)); Assert.IsFalse(expr1.Equals(expr4)); Assert.IsFalse(expr4.Equals(expr1)); }