tests for lifted not
[mono.git] / mcs / class / System.Core / Test / System.Linq.Expressions / ExpressionTest_MultiplyChecked.cs
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12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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19 // Authors:
20 //              Federico Di Gregorio <fog@initd.org>
21
22 using System;
23 using System.Reflection;
24 using System.Linq;
25 using System.Linq.Expressions;
26 using NUnit.Framework;
27
28 namespace MonoTests.System.Linq.Expressions
29 {
30         [TestFixture]
31         public class ExpressionTest_MultiplyChecked
32         {
33                 [Test]
34                 [ExpectedException (typeof (ArgumentNullException))]
35                 public void Arg1Null ()
36                 {
37                         Expression.MultiplyChecked (null, Expression.Constant(1));
38                 }
39
40                 [Test]
41                 [ExpectedException (typeof (ArgumentNullException))]
42                 public void Arg2Null ()
43                 {
44                         Expression.MultiplyChecked (Expression.Constant (1), null);
45                 }
46
47                 [Test]
48                 [ExpectedException (typeof (InvalidOperationException))]
49                 public void ArgTypesDifferent ()
50                 {
51                         Expression.MultiplyChecked (Expression.Constant (1), Expression.Constant (2.0));
52                 }
53
54                 [Test]
55                 [ExpectedException (typeof (InvalidOperationException))]
56                 public void NoOperatorClass ()
57                 {
58                         Expression.MultiplyChecked (Expression.Constant (new NoOpClass ()), Expression.Constant (new NoOpClass ()));
59                 }
60
61                 [Test]
62                 [ExpectedException (typeof (InvalidOperationException))]
63                 public void Boolean ()
64                 {
65                         Expression.MultiplyChecked (Expression.Constant (true), Expression.Constant (false));
66                 }
67
68                 [Test]
69                 public void Numeric ()
70                 {
71                         BinaryExpression expr = Expression.MultiplyChecked (Expression.Constant (1), Expression.Constant (2));
72                         Assert.AreEqual (ExpressionType.MultiplyChecked, expr.NodeType, "MultiplyChecked#01");
73                         Assert.AreEqual (typeof (int), expr.Type, "MultiplyChecked#02");
74                         Assert.IsNull (expr.Method, "MultiplyChecked#03");
75                         Assert.AreEqual ("(1 * 2)", expr.ToString(), "MultiplyChecked#15");
76                 }
77
78                 [Test]
79                 public void Nullable ()
80                 {
81                         int? a = 1;
82                         int? b = 2;
83
84                         BinaryExpression expr = Expression.MultiplyChecked (Expression.Constant (a), Expression.Constant (b));
85                         Assert.AreEqual (ExpressionType.MultiplyChecked, expr.NodeType, "MultiplyChecked#04");
86                         Assert.AreEqual (typeof (int), expr.Type, "MultiplyChecked#05");
87                         Assert.IsNull (expr.Method, null, "MultiplyChecked#06");
88                         Assert.AreEqual ("(1 * 2)", expr.ToString(), "MultiplyChecked#16");
89                 }
90
91                 [Test]
92                 public void UserDefinedClass ()
93                 {
94                         // We can use the simplest version of GetMethod because we already know only one
95                         // exists in the very simple class we're using for the tests.
96                         MethodInfo mi = typeof (OpClass).GetMethod ("op_Multiply");
97
98                         BinaryExpression expr = Expression.MultiplyChecked (Expression.Constant (new OpClass ()), Expression.Constant (new OpClass ()));
99                         Assert.AreEqual (ExpressionType.MultiplyChecked, expr.NodeType, "MultiplyChecked#07");
100                         Assert.AreEqual (typeof (OpClass), expr.Type, "MultiplyChecked#08");
101                         Assert.AreEqual (mi, expr.Method, "MultiplyChecked#09");
102                         Assert.AreEqual ("op_Multiply", expr.Method.Name, "MultiplyChecked#10");
103                         Assert.AreEqual ("(value(MonoTests.System.Linq.Expressions.OpClass) * value(MonoTests.System.Linq.Expressions.OpClass))",
104                                 expr.ToString(), "MultiplyChecked#17");
105                 }
106
107                 [Test]
108                 public void UserDefinedStruct ()
109                 {
110                         // We can use the simplest version of GetMethod because we already know only one
111                         // exists in the very simple class we're using for the tests.
112                         MethodInfo mi = typeof (OpStruct).GetMethod ("op_Multiply");
113
114                         BinaryExpression expr = Expression.MultiplyChecked (Expression.Constant (new OpStruct ()), Expression.Constant (new OpStruct ()));
115                         Assert.AreEqual (ExpressionType.MultiplyChecked, expr.NodeType, "MultiplyChecked#11");
116                         Assert.AreEqual (typeof (OpStruct), expr.Type, "MultiplyChecked#12");
117                         Assert.AreEqual (mi, expr.Method, "MultiplyChecked#13");
118                         Assert.AreEqual ("op_Multiply", expr.Method.Name, "MultiplyChecked#14");
119                         Assert.AreEqual ("(value(MonoTests.System.Linq.Expressions.OpStruct) * value(MonoTests.System.Linq.Expressions.OpStruct))",
120                                 expr.ToString(), "MultiplyChecked#18");
121                 }
122
123         }
124 }