public static void TestBindParams(DynamicMetaObject target)
{
GetIndexBinder binder = new TestGetIndexBinder();
Expression typeExpression = Expression.Parameter(typeof(int));
DynamicMetaObject[] indexes =
{
new DynamicMetaObject(typeExpression, BindingRestrictions.Empty, 0),
new DynamicMetaObject(typeExpression, BindingRestrictions.Empty, 1),
new DynamicMetaObject(typeExpression, BindingRestrictions.Empty, 2)
};
ExceptionTestHelper.ExpectException <ArgumentNullException>(() => { var result = target.BindGetIndex(null, indexes); });
ExceptionTestHelper.ExpectException <ArgumentNullException>(() => { var result = target.BindGetIndex(binder, null); });
DynamicMetaObject[][] invalidIndexesParam =
{
indexes,
new DynamicMetaObject[] { new DynamicMetaObject(typeExpression,BindingRestrictions.Empty, null) },
new DynamicMetaObject[] { null },
new DynamicMetaObject[] { }
};
foreach (DynamicMetaObject[] indexesParam in invalidIndexesParam)
{
DynamicMetaObject metaObj = target.BindGetIndex(binder, indexesParam);
Expression <Action> expression = Expression.Lambda <Action>(Expression.Block(metaObj.Expression), new ParameterExpression[] { });
ExceptionTestHelper.ExpectException <ArgumentException>(() => { expression.Compile().Invoke(); }, NonSingleNonNullIndexNotSupported);
}
}
public void BindGetIndexTest()
{
JsonValue value = AnyInstance.AnyJsonArray;
DynamicMetaObject target = GetJsonValueDynamicMetaObject(value);
TestGetIndexBinder.TestBindParams(target);
foreach (KeyValuePair <string, JsonValue> pair in value)
{
TestGetIndexBinder.TestMetaObject(target, int.Parse(pair.Key));
}
}
public static void TestMetaObject(DynamicMetaObject target, int index, bool isValid = true)
{
string expectedMethodSignature = "System.Json.JsonValue GetValue(Int32)";
GetIndexBinder binder = new TestGetIndexBinder();
DynamicMetaObject[] indexes = { new DynamicMetaObject(Expression.Parameter(typeof(int)), BindingRestrictions.Empty, index) };
DynamicMetaObject result = target.BindGetIndex(binder, indexes);
Assert.IsNotNull(result);
MethodCallExpression expression = result.Expression as MethodCallExpression;
Assert.IsNotNull(expression);
Assert.AreEqual <string>(expectedMethodSignature, expression.Method.ToString());
}
public static void TestMetaObject(DynamicMetaObject target, int index, bool isValid = true)
{
string expectedMethodSignature = "System.Json.JsonValue GetValue(Int32)";
GetIndexBinder binder = new TestGetIndexBinder();
DynamicMetaObject[] indexes = { new DynamicMetaObject(Expression.Parameter(typeof(int)), BindingRestrictions.Empty, index) };
DynamicMetaObject result = target.BindGetIndex(binder, indexes);
Assert.IsNotNull(result);
MethodCallExpression expression = result.Expression as MethodCallExpression;
Assert.IsNotNull(expression);
Assert.AreEqual<string>(expectedMethodSignature, expression.Method.ToString());
}
public static void TestBindParams(DynamicMetaObject target)
{
GetIndexBinder binder = new TestGetIndexBinder();
Expression typeExpression = Expression.Parameter(typeof(int));
DynamicMetaObject[] indexes =
{
new DynamicMetaObject(typeExpression, BindingRestrictions.Empty, 0),
new DynamicMetaObject(typeExpression, BindingRestrictions.Empty, 1),
new DynamicMetaObject(typeExpression, BindingRestrictions.Empty, 2)
};
ExceptionTestHelper.ExpectException<ArgumentNullException>(() => { var result = target.BindGetIndex(null, indexes); });
ExceptionTestHelper.ExpectException<ArgumentNullException>(() => { var result = target.BindGetIndex(binder, null); });
DynamicMetaObject[][] invalidIndexesParam =
{
indexes,
new DynamicMetaObject[] { new DynamicMetaObject(typeExpression, BindingRestrictions.Empty, null) },
new DynamicMetaObject[] { null },
new DynamicMetaObject[] { }
};
foreach (DynamicMetaObject[] indexesParam in invalidIndexesParam)
{
DynamicMetaObject metaObj = target.BindGetIndex(binder, indexesParam);
Expression<Action> expression = Expression.Lambda<Action>(Expression.Block(metaObj.Expression), new ParameterExpression[] { });
ExceptionTestHelper.ExpectException<ArgumentException>(() => { expression.Compile().Invoke(); }, NonSingleNonNullIndexNotSupported);
}
}
